implab/implabjs-core Commit - r159:130129fdbd20

Added safe.debounce function, this is a preview version

cin -

r159:130129fdbd20 default

parent child

Context file:

r159:130129fdbd20

Collapse all files

package-lock.json +3 -3

             {
               "name": "@implab/core",
               "version": "0.0.1-dev",
               "lockfileVersion": 1,
               "requires": true,
               "dependencies": {
                 "@babel/code-frame": {
                   "version": "7.5.5",
                   "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.5.5.tgz",
                   "integrity": "sha512-27d4lZoomVyo51VegxI20xZPuSHusqbQag/ztrBC7wegWoQ1nLREPVSKSW8byhTlzTKyNE4ifaTA6lCp7JjpFw==",
                   "dev": true,
                   "requires": {
                     "@babel/highlight": "^7.0.0"
                   }
                 },
                 "@babel/highlight": {
                   "version": "7.5.0",
                   "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.5.0.tgz",
                   "integrity": "sha512-7dV4eu9gBxoM0dAnj/BCFDW9LFU0zvTrkq0ugM7pnHEgguOEeOz1so2ZghEdzviYzQEED0r4EAgpsBChKy1TRQ==",
                   "dev": true,
                   "requires": {
                     "chalk": "^2.0.0",
                     "esutils": "^2.0.2",
                     "js-tokens": "^4.0.0"
                   }
                 },
                 "@types/chai": {
                   "version": "4.2.3",
                   "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.3.tgz",
                   "integrity": "sha512-VRw2xEGbll3ZiTQ4J02/hUjNqZoue1bMhoo2dgM2LXjDdyaq4q80HgBDHwpI0/VKlo4Eg+BavyQMv/NYgTetzA==",
                   "dev": true
                 },
                 "@types/node": {
                   "version": "8.10.55",
                   "resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.55.tgz",
                   "integrity": "sha512-iZeh1EgupfmAAOASk580R1SL5lWF3CsBVgVH0395qyNF8fhO16xy1UwAav2PdGxIIsYRn7RzJgMGjdsvam6YYg==",
                   "dev": true
                 },
                 "@types/requirejs": {
                   "version": "2.1.31",
                   "resolved": "https://registry.npmjs.org/@types/requirejs/-/requirejs-2.1.31.tgz",
                   "integrity": "sha512-b2soeyuU76rMbcRJ4e0hEl0tbMhFwZeTC0VZnfuWlfGlk6BwWNsev6kFu/twKABPX29wkX84wU2o+cEJoXsiTw==",
                   "dev": true
                 },
                 "@types/tape": {
                   "version": "4.2.33",
                   "resolved": "https://registry.npmjs.org/@types/tape/-/tape-4.2.33.tgz",
                   "integrity": "sha512-ltfyuY5BIkYlGuQfwqzTDT8f0q8Z5DGppvUnWGs39oqDmMd6/UWhNpX3ZMh/VYvfxs3rFGHMrLC/eGRdLiDGuw==",
                   "dev": true,
                   "requires": {
                     "@types/node": "*"
                   }
                 },
                 "acorn": {
                   "version": "7.1.0",
                   "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.0.tgz",
                   "integrity": "sha512-kL5CuoXA/dgxlBbVrflsflzQ3PAas7RYZB52NOm/6839iVYJgKMJ3cQJD+t2i5+qFa8h3MDpEOJiS64E8JLnSQ==",
                   "dev": true
                 },
                 "acorn-jsx": {
                   "version": "5.1.0",
                   "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.1.0.tgz",
                   "integrity": "sha512-tMUqwBWfLFbJbizRmEcWSLw6HnFzfdJs2sOJEOwwtVPMoH/0Ay+E703oZz78VSXZiiDcZrQ5XKjPIUQixhmgVw==",
                   "dev": true
                 },
                 "ajv": {
                   "version": "6.10.2",
                   "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
                   "integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
                   "dev": true,
                   "requires": {
                     "fast-deep-equal": "^2.0.1",
                     "fast-json-stable-stringify": "^2.0.0",
                     "json-schema-traverse": "^0.4.1",
                     "uri-js": "^4.2.2"
                   }
                 },
                 "ansi-escapes": {
                   "version": "3.2.0",
                   "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-3.2.0.tgz",
                   "integrity": "sha512-cBhpre4ma+U0T1oM5fXg7Dy1Jw7zzwv7lt/GoCpr+hDQJoYnKVPLL4dCvSEFMmQurOQvSrwT7SL/DAlhBI97RQ==",
                   "dev": true
                 },
                 "ansi-regex": {
                   "version": "3.0.0",
                   "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
                   "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
                   "dev": true
                 },
                 "ansi-styles": {
                   "version": "3.2.1",
                   "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
                   "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
                   "dev": true,
                   "requires": {
                     "color-convert": "^1.9.0"
                   }
                 },
                 "argparse": {
                   "version": "1.0.10",
                   "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
                   "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
                   "dev": true,
                   "requires": {
                     "sprintf-js": "~1.0.2"
                   }
                 },
                 "astral-regex": {
                   "version": "1.0.0",
                   "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-1.0.0.tgz",
                   "integrity": "sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==",
                   "dev": true
                 },
                 "balanced-match": {
                   "version": "1.0.0",
                   "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
                   "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
                   "dev": true
                 },
                 "brace-expansion": {
                   "version": "1.1.11",
                   "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
                   "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
                   "dev": true,
                   "requires": {
                     "balanced-match": "^1.0.0",
                     "concat-map": "0.0.1"
                   }
                 },
                 "builtin-modules": {
                   "version": "1.1.1",
                   "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
                   "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
                   "dev": true
                 },
                 "callsites": {
                   "version": "3.1.0",
                   "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
                   "integrity": "sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==",
                   "dev": true
                 },
                 "chalk": {
                   "version": "2.4.2",
                   "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
                   "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
                   "dev": true,
                   "requires": {
                     "ansi-styles": "^3.2.1",
                     "escape-string-regexp": "^1.0.5",
                     "supports-color": "^5.3.0"
                   }
                 },
                 "chardet": {
                   "version": "0.7.0",
                   "resolved": "https://registry.npmjs.org/chardet/-/chardet-0.7.0.tgz",
                   "integrity": "sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==",
                   "dev": true
                 },
                 "cli-cursor": {
                   "version": "2.1.0",
                   "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-2.1.0.tgz",
                   "integrity": "sha1-s12sN2R5+sw+lHR9QdDQ9SOP/LU=",
                   "dev": true,
                   "requires": {
                     "restore-cursor": "^2.0.0"
                   }
                 },
                 "cli-width": {
                   "version": "2.2.0",
                   "resolved": "https://registry.npmjs.org/cli-width/-/cli-width-2.2.0.tgz",
                   "integrity": "sha1-/xnt6Kml5XkyQUewwR8PvLq+1jk=",
                   "dev": true
                 },
                 "color-convert": {
                   "version": "1.9.3",
                   "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
                   "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
                   "dev": true,
                   "requires": {
                     "color-name": "1.1.3"
                   }
                 },
                 "color-name": {
                   "version": "1.1.3",
                   "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
                   "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
                   "dev": true
                 },
                 "commander": {
                   "version": "2.20.3",
                   "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
                   "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
                   "dev": true
                 },
                 "concat-map": {
                   "version": "0.0.1",
                   "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
                   "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
                   "dev": true
                 },
                 "cross-spawn": {
                   "version": "6.0.5",
                   "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
                   "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
                   "dev": true,
                   "requires": {
                     "nice-try": "^1.0.4",
                     "path-key": "^2.0.1",
                     "semver": "^5.5.0",
                     "shebang-command": "^1.2.0",
                     "which": "^1.2.9"
                   },
                   "dependencies": {
                     "semver": {
                       "version": "5.7.1",
                       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
                       "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
                       "dev": true
                     }
                   }
                 },
                 "debug": {
                   "version": "4.1.1",
                   "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
                   "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
                   "dev": true,
                   "requires": {
                     "ms": "^2.1.1"
                   }
                 },
                 "deep-is": {
                   "version": "0.1.3",
                   "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.3.tgz",
                   "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=",
                   "dev": true
                 },
                 "define-properties": {
                   "version": "1.1.3",
                   "resolved": "https://registry.npmjs.org/define-properties/-/define-properties-1.1.3.tgz",
                   "integrity": "sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==",
                   "dev": true,
                   "requires": {
                     "object-keys": "^1.0.12"
                   },
                   "dependencies": {
                     "object-keys": {
                       "version": "1.1.1",
                       "resolved": "https://registry.npmjs.org/object-keys/-/object-keys-1.1.1.tgz",
                       "integrity": "sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==",
                       "dev": true
                     }
                   }
                 },
                 "diff": {
                   "version": "3.5.0",
                   "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
                   "integrity": "sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==",
                   "dev": true
                 },
                 "doctrine": {
                   "version": "3.0.0",
                   "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-3.0.0.tgz",
                   "integrity": "sha512-yS+Q5i3hBf7GBkd4KG8a7eBNNWNGLTaEwwYWUijIYM7zrlYDM0BFXHjjPWlWZ1Rg7UaddZeIDmi9jF3HmqiQ2w==",
                   "dev": true,
                   "requires": {
                     "esutils": "^2.0.2"
                   }
                 },
                 "dojo": {
                   "version": "1.10.10",
                   "resolved": "https://registry.npmjs.org/dojo/-/dojo-1.10.10.tgz",
                   "integrity": "sha512-kg79C8Yyd317cG3MgXGMH4AeQ8TgNr8H/PpA3BRms7DTfl0CJCRAgGE/C6d9Nw55s1ID/fEsfS+P3bj1s7dWgA==",
                   "dev": true
                 },
                 "dojo-typings": {
                   "version": "1.11.9",
                   "resolved": "https://registry.npmjs.org/dojo-typings/-/dojo-typings-1.11.9.tgz",
                   "integrity": "sha512-mh8w+Mau2Y1QfTEszEAdO7j6ycNhYxF/Ing6nAk1eUg6NxjeT0viVHjICMd9sU3U463vM2G+KfBBK5grk3/Mlw==",
                   "dev": true,
                   "requires": {
                     "@types/chai": "^4.0.4"
                   }
                 },
                 "emoji-regex": {
                   "version": "7.0.3",
                   "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
                   "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==",
                   "dev": true
                 },
                 "es-abstract": {
                   "version": "1.15.0",
                   "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.15.0.tgz",
                   "integrity": "sha512-bhkEqWJ2t2lMeaJDuk7okMkJWI/yqgH/EoGwpcvv0XW9RWQsRspI4wt6xuyuvMvvQE3gg/D9HXppgk21w78GyQ==",
                   "dev": true,
                   "requires": {
                     "es-to-primitive": "^1.2.0",
                     "function-bind": "^1.1.1",
                     "has": "^1.0.3",
                     "has-symbols": "^1.0.0",
                     "is-callable": "^1.1.4",
                     "is-regex": "^1.0.4",
                     "object-inspect": "^1.6.0",
                     "object-keys": "^1.1.1",
                     "string.prototype.trimleft": "^2.1.0",
                     "string.prototype.trimright": "^2.1.0"
                   },
                   "dependencies": {
                     "object-keys": {
                       "version": "1.1.1",
                       "resolved": "https://registry.npmjs.org/object-keys/-/object-keys-1.1.1.tgz",
                       "integrity": "sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==",
                       "dev": true
                     }
                   }
                 },
                 "es-to-primitive": {
                   "version": "1.2.0",
                   "resolved": "https://registry.npmjs.org/es-to-primitive/-/es-to-primitive-1.2.0.tgz",
                   "integrity": "sha512-qZryBOJjV//LaxLTV6UC//WewneB3LcXOL9NP++ozKVXsIIIpm/2c13UDiD9Jp2eThsecw9m3jPqDwTyobcdbg==",
                   "dev": true,
                   "requires": {
                     "is-callable": "^1.1.4",
                     "is-date-object": "^1.0.1",
                     "is-symbol": "^1.0.2"
                   }
                 },
                 "escape-string-regexp": {
                   "version": "1.0.5",
                   "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
                   "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
                   "dev": true
                 },
                 "eslint": {
                   "version": "6.1.0",
                   "resolved": "https://registry.npmjs.org/eslint/-/eslint-6.1.0.tgz",
                   "integrity": "sha512-QhrbdRD7ofuV09IuE2ySWBz0FyXCq0rriLTZXZqaWSI79CVtHVRdkFuFTViiqzZhkCgfOh9USpriuGN2gIpZDQ==",
                   "dev": true,
                   "requires": {
                     "@babel/code-frame": "^7.0.0",
                     "ajv": "^6.10.0",
                     "chalk": "^2.1.0",
                     "cross-spawn": "^6.0.5",
                     "debug": "^4.0.1",
                     "doctrine": "^3.0.0",
                     "eslint-scope": "^5.0.0",
                     "eslint-utils": "^1.3.1",
                     "eslint-visitor-keys": "^1.0.0",
                     "espree": "^6.0.0",
                     "esquery": "^1.0.1",
                     "esutils": "^2.0.2",
                     "file-entry-cache": "^5.0.1",
                     "functional-red-black-tree": "^1.0.1",
                     "glob-parent": "^5.0.0",
                     "globals": "^11.7.0",
                     "ignore": "^4.0.6",
                     "import-fresh": "^3.0.0",
                     "imurmurhash": "^0.1.4",
                     "inquirer": "^6.4.1",
                     "is-glob": "^4.0.0",
                     "js-yaml": "^3.13.1",
                     "json-stable-stringify-without-jsonify": "^1.0.1",
                     "levn": "^0.3.0",
                     "lodash": "^4.17.14",
                     "minimatch": "^3.0.4",
                     "mkdirp": "^0.5.1",
                     "natural-compare": "^1.4.0",
                     "optionator": "^0.8.2",
                     "progress": "^2.0.0",
                     "regexpp": "^2.0.1",
                     "semver": "^6.1.2",
                     "strip-ansi": "^5.2.0",
                     "strip-json-comments": "^3.0.1",
                     "table": "^5.2.3",
                     "text-table": "^0.2.0",
                     "v8-compile-cache": "^2.0.3"
                   }
                 },
                 "eslint-scope": {
                   "version": "5.0.0",
                   "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.0.0.tgz",
                   "integrity": "sha512-oYrhJW7S0bxAFDvWqzvMPRm6pcgcnWc4QnofCAqRTRfQC0JcwenzGglTtsLyIuuWFfkqDG9vz67cnttSd53djw==",
                   "dev": true,
                   "requires": {
                     "esrecurse": "^4.1.0",
                     "estraverse": "^4.1.1"
                   }
                 },
                 "eslint-utils": {
                   "version": "1.4.2",
                   "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.4.2.tgz",
                   "integrity": "sha512-eAZS2sEUMlIeCjBeubdj45dmBHQwPHWyBcT1VSYB7o9x9WRRqKxyUoiXlRjyAwzN7YEzHJlYg0NmzDRWx6GP4Q==",
                   "dev": true,
                   "requires": {
                     "eslint-visitor-keys": "^1.0.0"
                   }
                 },
                 "eslint-visitor-keys": {
                   "version": "1.1.0",
                   "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.1.0.tgz",
                   "integrity": "sha512-8y9YjtM1JBJU/A9Kc+SbaOV4y29sSWckBwMHa+FGtVj5gN/sbnKDf6xJUl+8g7FAij9LVaP8C24DUiH/f/2Z9A==",
                   "dev": true
                 },
                 "espree": {
                   "version": "6.1.1",
                   "resolved": "https://registry.npmjs.org/espree/-/espree-6.1.1.tgz",
                   "integrity": "sha512-EYbr8XZUhWbYCqQRW0duU5LxzL5bETN6AjKBGy1302qqzPaCH10QbRg3Wvco79Z8x9WbiE8HYB4e75xl6qUYvQ==",
                   "dev": true,
                   "requires": {
                     "acorn": "^7.0.0",
                     "acorn-jsx": "^5.0.2",
                     "eslint-visitor-keys": "^1.1.0"
                   }
                 },
                 "esprima": {
                   "version": "4.0.1",
                   "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
                   "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==",
                   "dev": true
                 },
                 "esquery": {
                   "version": "1.0.1",
                   "resolved": "https://registry.npmjs.org/esquery/-/esquery-1.0.1.tgz",
                   "integrity": "sha512-SmiyZ5zIWH9VM+SRUReLS5Q8a7GxtRdxEBVZpm98rJM7Sb+A9DVCndXfkeFUd3byderg+EbDkfnevfCwynWaNA==",
                   "dev": true,
                   "requires": {
                     "estraverse": "^4.0.0"
                   }
                 },
                 "esrecurse": {
                   "version": "4.2.1",
                   "resolved": "https://registry.npmjs.org/esrecurse/-/esrecurse-4.2.1.tgz",
                   "integrity": "sha512-64RBB++fIOAXPw3P9cy89qfMlvZEXZkqqJkjqqXIvzP5ezRZjW+lPWjw35UX/3EhUPFYbg5ER4JYgDw4007/DQ==",
                   "dev": true,
                   "requires": {
                     "estraverse": "^4.1.0"
                   }
                 },
                 "estraverse": {
                   "version": "4.3.0",
                   "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-4.3.0.tgz",
                   "integrity": "sha512-39nnKffWz8xN1BU/2c79n9nB9HDzo0niYUqx6xyqUnyoAnQyyWpOTdZEeiCch8BBu515t4wp9ZmgVfVhn9EBpw==",
                   "dev": true
                 },
                 "esutils": {
                   "version": "2.0.3",
                   "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.3.tgz",
                   "integrity": "sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==",
                   "dev": true
                 },
                 "external-editor": {
                   "version": "3.1.0",
                   "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-3.1.0.tgz",
                   "integrity": "sha512-hMQ4CX1p1izmuLYyZqLMO/qGNw10wSv9QDCPfzXfyFrOaCSSoRfqE1Kf1s5an66J5JZC62NewG+mK49jOCtQew==",
                   "dev": true,
                   "requires": {
                     "chardet": "^0.7.0",
                     "iconv-lite": "^0.4.24",
                     "tmp": "^0.0.33"
                   }
                 },
                 "fast-deep-equal": {
                   "version": "2.0.1",
                   "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
                   "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
                   "dev": true
                 },
                 "fast-json-stable-stringify": {
                   "version": "2.0.0",
                   "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
                   "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I=",
                   "dev": true
                 },
                 "fast-levenshtein": {
                   "version": "2.0.6",
                   "resolved": "https://registry.npmjs.org/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz",
                   "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=",
                   "dev": true
                 },
                 "figures": {
                   "version": "2.0.0",
                   "resolved": "https://registry.npmjs.org/figures/-/figures-2.0.0.tgz",
                   "integrity": "sha1-OrGi0qYsi/tDGgyUy3l6L84nyWI=",
                   "dev": true,
                   "requires": {
                     "escape-string-regexp": "^1.0.5"
                   }
                 },
                 "file-entry-cache": {
                   "version": "5.0.1",
                   "resolved": "https://registry.npmjs.org/file-entry-cache/-/file-entry-cache-5.0.1.tgz",
                   "integrity": "sha512-bCg29ictuBaKUwwArK4ouCaqDgLZcysCFLmM/Yn/FDoqndh/9vNuQfXRDvTuXKLxfD/JtZQGKFT8MGcJBK644g==",
                   "dev": true,
                   "requires": {
                     "flat-cache": "^2.0.1"
                   }
                 },
                 "flat-cache": {
                   "version": "2.0.1",
                   "resolved": "https://registry.npmjs.org/flat-cache/-/flat-cache-2.0.1.tgz",
                   "integrity": "sha512-LoQe6yDuUMDzQAEH8sgmh4Md6oZnc/7PjtwjNFSzveXqSHt6ka9fPBuso7IGf9Rz4uqnSnWiFH2B/zj24a5ReA==",
                   "dev": true,
                   "requires": {
                     "flatted": "^2.0.0",
                     "rimraf": "2.6.3",
                     "write": "1.0.3"
                   }
                 },
                 "flatted": {
                   "version": "2.0.1",
                   "resolved": "https://registry.npmjs.org/flatted/-/flatted-2.0.1.tgz",
                   "integrity": "sha512-a1hQMktqW9Nmqr5aktAux3JMNqaucxGcjtjWnZLHX7yyPCmlSV3M54nGYbqT8K+0GhF3NBgmJCc3ma+WOgX8Jg==",
                   "dev": true
                 },
                 "for-each": {
                   "version": "0.3.3",
                   "resolved": "https://registry.npmjs.org/for-each/-/for-each-0.3.3.tgz",
                   "integrity": "sha512-jqYfLp7mo9vIyQf8ykW2v7A+2N4QjeCeI5+Dz9XraiO1ign81wjiH7Fb9vSOWvQfNtmSa4H2RoQTrrXivdUZmw==",
                   "dev": true,
                   "requires": {
                     "is-callable": "^1.1.3"
                   }
                 },
                 "fs.realpath": {
                   "version": "1.0.0",
                   "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
                   "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
                   "dev": true
                 },
                 "function-bind": {
                   "version": "1.1.1",
                   "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
                   "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==",
                   "dev": true
                 },
                 "functional-red-black-tree": {
                   "version": "1.0.1",
                   "resolved": "https://registry.npmjs.org/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz",
                   "integrity": "sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=",
                   "dev": true
                 },
                 "glob": {
                   "version": "7.1.4",
                   "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.4.tgz",
                   "integrity": "sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==",
                   "dev": true,
                   "requires": {
                     "fs.realpath": "^1.0.0",
                     "inflight": "^1.0.4",
                     "inherits": "2",
                     "minimatch": "^3.0.4",
                     "once": "^1.3.0",
                     "path-is-absolute": "^1.0.0"
                   }
                 },
                 "glob-parent": {
                   "version": "5.1.0",
                   "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.0.tgz",
                   "integrity": "sha512-qjtRgnIVmOfnKUE3NJAQEdk+lKrxfw8t5ke7SXtfMTHcjsBfOfWXCQfdb30zfDoZQ2IRSIiidmjtbHZPZ++Ihw==",
                   "dev": true,
                   "requires": {
                     "is-glob": "^4.0.1"
                   }
                 },
                 "globals": {
                   "version": "11.12.0",
                   "resolved": "https://registry.npmjs.org/globals/-/globals-11.12.0.tgz",
                   "integrity": "sha512-WOBp/EEGUiIsJSp7wcv/y6MO+lV9UoncWqxuFfm8eBwzWNgyfBd6Gz+IeKQ9jCmyhoH99g15M3T+QaVHFjizVA==",
                   "dev": true
                 },
                 "has": {
                   "version": "1.0.3",
                   "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
                   "integrity": "sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==",
                   "dev": true,
                   "requires": {
                     "function-bind": "^1.1.1"
                   }
                 },
                 "has-flag": {
                   "version": "3.0.0",
                   "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
                   "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
                   "dev": true
                 },
                 "has-symbols": {
                   "version": "1.0.0",
                   "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.0.tgz",
                   "integrity": "sha1-uhqPGvKg/DllD1yFA2dwQSIGO0Q=",
                   "dev": true
                 },
                 "iconv-lite": {
                   "version": "0.4.24",
                   "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
                   "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
                   "dev": true,
                   "requires": {
                     "safer-buffer": ">= 2.1.2 < 3"
                   }
                 },
                 "ignore": {
                   "version": "4.0.6",
                   "resolved": "https://registry.npmjs.org/ignore/-/ignore-4.0.6.tgz",
                   "integrity": "sha512-cyFDKrqc/YdcWFniJhzI42+AzS+gNwmUzOSFcRCQYwySuBBBy/KjuxWLZ/FHEH6Moq1NizMOBWyTcv8O4OZIMg==",
                   "dev": true
                 },
                 "import-fresh": {
                   "version": "3.1.0",
                   "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.1.0.tgz",
                   "integrity": "sha512-PpuksHKGt8rXfWEr9m9EHIpgyyaltBy8+eF6GJM0QCAxMgxCfucMF3mjecK2QsJr0amJW7gTqh5/wht0z2UhEQ==",
                   "dev": true,
                   "requires": {
                     "parent-module": "^1.0.0",
                     "resolve-from": "^4.0.0"
                   }
                 },
                 "imurmurhash": {
                   "version": "0.1.4",
                   "resolved": "https://registry.npmjs.org/imurmurhash/-/imurmurhash-0.1.4.tgz",
                   "integrity": "sha1-khi5srkoojixPcT7a21XbyMUU+o=",
                   "dev": true
                 },
                 "inflight": {
                   "version": "1.0.6",
                   "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
                   "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
                   "dev": true,
                   "requires": {
                     "once": "^1.3.0",
                     "wrappy": "1"
                   }
                 },
                 "inherits": {
                   "version": "2.0.3",
                   "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
                   "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
                   "dev": true
                 },
                 "inquirer": {
                   "version": "6.5.2",
                   "resolved": "https://registry.npmjs.org/inquirer/-/inquirer-6.5.2.tgz",
                   "integrity": "sha512-cntlB5ghuB0iuO65Ovoi8ogLHiWGs/5yNrtUcKjFhSSiVeAIVpD7koaSU9RM8mpXw5YDi9RdYXGQMaOURB7ycQ==",
                   "dev": true,
                   "requires": {
                     "ansi-escapes": "^3.2.0",
                     "chalk": "^2.4.2",
                     "cli-cursor": "^2.1.0",
                     "cli-width": "^2.0.0",
                     "external-editor": "^3.0.3",
                     "figures": "^2.0.0",
                     "lodash": "^4.17.12",
                     "mute-stream": "0.0.7",
                     "run-async": "^2.2.0",
                     "rxjs": "^6.4.0",
                     "string-width": "^2.1.0",
                     "strip-ansi": "^5.1.0",
                     "through": "^2.3.6"
                   }
                 },
                 "is-callable": {
                   "version": "1.1.4",
                   "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.1.4.tgz",
                   "integrity": "sha512-r5p9sxJjYnArLjObpjA4xu5EKI3CuKHkJXMhT7kwbpUyIFD1n5PMAsoPvWnvtZiNz7LjkYDRZhd7FlI0eMijEA==",
                   "dev": true
                 },
                 "is-date-object": {
                   "version": "1.0.1",
                   "resolved": "https://registry.npmjs.org/is-date-object/-/is-date-object-1.0.1.tgz",
                   "integrity": "sha1-mqIOtq7rv/d/vTPnTKAbM1gdOhY=",
                   "dev": true
                 },
                 "is-extglob": {
                   "version": "2.1.1",
                   "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
                   "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=",
                   "dev": true
                 },
                 "is-fullwidth-code-point": {
                   "version": "2.0.0",
                   "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
                   "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
                   "dev": true
                 },
                 "is-glob": {
                   "version": "4.0.1",
                   "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.1.tgz",
                   "integrity": "sha512-5G0tKtBTFImOqDnLB2hG6Bp2qcKEFduo4tZu9MT/H6NQv/ghhy30o55ufafxJ/LdH79LLs2Kfrn85TLKyA7BUg==",
                   "dev": true,
                   "requires": {
                     "is-extglob": "^2.1.1"
                   }
                 },
                 "is-promise": {
                   "version": "2.1.0",
                   "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-2.1.0.tgz",
                   "integrity": "sha1-eaKp7OfwlugPNtKy87wWwf9L8/o=",
                   "dev": true
                 },
                 "is-regex": {
                   "version": "1.0.4",
                   "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.0.4.tgz",
                   "integrity": "sha1-VRdIm1RwkbCTDglWVM7SXul+lJE=",
                   "dev": true,
                   "requires": {
                     "has": "^1.0.1"
                   }
                 },
                 "is-symbol": {
                   "version": "1.0.2",
                   "resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.2.tgz",
                   "integrity": "sha512-HS8bZ9ox60yCJLH9snBpIwv9pYUAkcuLhSA1oero1UB5y9aiQpRA8y2ex945AOtCZL1lJDeIk3G5LthswI46Lw==",
                   "dev": true,
                   "requires": {
                     "has-symbols": "^1.0.0"
                   }
                 },
                 "isexe": {
                   "version": "2.0.0",
                   "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
                   "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=",
                   "dev": true
                 },
                 "js-tokens": {
                   "version": "4.0.0",
                   "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
                   "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==",
                   "dev": true
                 },
                 "js-yaml": {
                   "version": "3.13.1",
                   "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
                   "integrity": "sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==",
                   "dev": true,
                   "requires": {
                     "argparse": "^1.0.7",
                     "esprima": "^4.0.0"
                   }
                 },
                 "json-schema-traverse": {
                   "version": "0.4.1",
                   "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
                   "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
                   "dev": true
                 },
                 "json-stable-stringify-without-jsonify": {
                   "version": "1.0.1",
                   "resolved": "https://registry.npmjs.org/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz",
                   "integrity": "sha1-nbe1lJatPzz+8wp1FC0tkwrXJlE=",
                   "dev": true
                 },
                 "levn": {
                   "version": "0.3.0",
                   "resolved": "https://registry.npmjs.org/levn/-/levn-0.3.0.tgz",
                   "integrity": "sha1-OwmSTt+fCDwEkP3UwLxEIeBHZO4=",
                   "dev": true,
                   "requires": {
                     "prelude-ls": "~1.1.2",
                     "type-check": "~0.3.2"
                   }
                 },
                 "lodash": {
                   "version": "4.17.15",
                   "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
                   "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
                   "dev": true
                 },
                 "mimic-fn": {
                   "version": "1.2.0",
                   "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-1.2.0.tgz",
                   "integrity": "sha512-jf84uxzwiuiIVKiOLpfYk7N46TSy8ubTonmneY9vrpHNAnp0QBt2BxWV9dO3/j+BoVAb+a5G6YDPW3M5HOdMWQ==",
                   "dev": true
                 },
                 "minimatch": {
                   "version": "3.0.4",
                   "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
                   "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
                   "dev": true,
                   "requires": {
                     "brace-expansion": "^1.1.7"
                   }
                 },
                 "minimist": {
                   "version": "0.0.8",
                   "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
                   "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
                   "dev": true
                 },
                 "mkdirp": {
                   "version": "0.5.1",
                   "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
                   "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
                   "dev": true,
                   "requires": {
                     "minimist": "0.0.8"
                   }
                 },
                 "ms": {
                   "version": "2.1.2",
                   "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
                   "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
                   "dev": true
                 },
                 "mute-stream": {
                   "version": "0.0.7",
                   "resolved": "https://registry.npmjs.org/mute-stream/-/mute-stream-0.0.7.tgz",
                   "integrity": "sha1-MHXOk7whuPq0PhvE2n6BFe0ee6s=",
                   "dev": true
                 },
                 "natural-compare": {
                   "version": "1.4.0",
                   "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
                   "integrity": "sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=",
                   "dev": true
                 },
                 "nice-try": {
                   "version": "1.0.5",
                   "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
                   "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==",
                   "dev": true
                 },
                 "object-inspect": {
                   "version": "1.6.0",
                   "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.6.0.tgz",
                   "integrity": "sha512-GJzfBZ6DgDAmnuaM3104jR4s1Myxr3Y3zfIyN4z3UdqN69oSRacNK8UhnobDdC+7J2AHCjGwxQubNJfE70SXXQ==",
                   "dev": true
                 },
                 "once": {
                   "version": "1.4.0",
                   "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
                   "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
                   "dev": true,
                   "requires": {
                     "wrappy": "1"
                   }
                 },
                 "onetime": {
                   "version": "2.0.1",
                   "resolved": "https://registry.npmjs.org/onetime/-/onetime-2.0.1.tgz",
                   "integrity": "sha1-BnQoIw/WdEOyeUsiu6UotoZ5YtQ=",
                   "dev": true,
                   "requires": {
                     "mimic-fn": "^1.0.0"
                   }
                 },
                 "optionator": {
                   "version": "0.8.2",
                   "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",
                   "integrity": "sha1-NkxeQJ0/TWMB1sC0wFu6UBgK62Q=",
                   "dev": true,
                   "requires": {
                     "deep-is": "~0.1.3",
                     "fast-levenshtein": "~2.0.4",
                     "levn": "~0.3.0",
                     "prelude-ls": "~1.1.2",
                     "type-check": "~0.3.2",
                     "wordwrap": "~1.0.0"
                   }
                 },
                 "os-tmpdir": {
                   "version": "1.0.2",
                   "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
                   "integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=",
                   "dev": true
                 },
                 "parent-module": {
                   "version": "1.0.1",
                   "resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.1.tgz",
                   "integrity": "sha512-GQ2EWRpQV8/o+Aw8YqtfZZPfNRWZYkbidE9k5rpl/hC3vtHHBfGm2Ifi6qWV+coDGkrUKZAxE3Lot5kcsRlh+g==",
                   "dev": true,
                   "requires": {
                     "callsites": "^3.0.0"
                   }
                 },
                 "path-is-absolute": {
                   "version": "1.0.1",
                   "resolved": "http://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
                   "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
                   "dev": true
                 },
                 "path-key": {
                   "version": "2.0.1",
                   "resolved": "https://registry.npmjs.org/path-key/-/path-key-2.0.1.tgz",
                   "integrity": "sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A=",
                   "dev": true
                 },
                 "path-parse": {
                   "version": "1.0.6",
                   "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.6.tgz",
                   "integrity": "sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==",
                   "dev": true
                 },
                 "prelude-ls": {
                   "version": "1.1.2",
                   "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.1.2.tgz",
                   "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=",
                   "dev": true
                 },
                 "progress": {
                   "version": "2.0.3",
                   "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.3.tgz",
                   "integrity": "sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA==",
                   "dev": true
                 },
                 "punycode": {
                   "version": "2.1.1",
                   "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
                   "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==",
                   "dev": true
                 },
                 "regexpp": {
                   "version": "2.0.1",
                   "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-2.0.1.tgz",
                   "integrity": "sha512-lv0M6+TkDVniA3aD1Eg0DVpfU/booSu7Eev3TDO/mZKHBfVjgCGTV4t4buppESEYDtkArYFOxTJWv6S5C+iaNw==",
                   "dev": true
                 },
                 "requirejs": {
                   "version": "2.3.6",
                   "resolved": "https://registry.npmjs.org/requirejs/-/requirejs-2.3.6.tgz",
                   "integrity": "sha512-ipEzlWQe6RK3jkzikgCupiTbTvm4S0/CAU5GlgptkN5SO6F3u0UD0K18wy6ErDqiCyP4J4YYe1HuAShvsxePLg==",
                   "dev": true
                 },
                 "resolve": {
                   "version": "1.11.1",
                   "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.11.1.tgz",
                   "integrity": "sha512-vIpgF6wfuJOZI7KKKSP+HmiKggadPQAdsp5HiC1mvqnfp0gF1vdwgBWZIdrVft9pgqoMFQN+R7BSWZiBxx+BBw==",
                   "dev": true,
                   "requires": {
                     "path-parse": "^1.0.6"
                   }
                 },
                 "resolve-from": {
                   "version": "4.0.0",
                   "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",
                   "integrity": "sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==",
                   "dev": true
                 },
                 "restore-cursor": {
                   "version": "2.0.0",
                   "resolved": "https://registry.npmjs.org/restore-cursor/-/restore-cursor-2.0.0.tgz",
                   "integrity": "sha1-n37ih/gv0ybU/RYpI9YhKe7g368=",
                   "dev": true,
                   "requires": {
                     "onetime": "^2.0.0",
                     "signal-exit": "^3.0.2"
                   }
                 },
                 "resumer": {
                   "version": "0.0.0",
                   "resolved": "https://registry.npmjs.org/resumer/-/resumer-0.0.0.tgz",
                   "integrity": "sha1-8ej0YeQGS6Oegq883CqMiT0HZ1k=",
                   "dev": true,
                   "requires": {
                     "through": "~2.3.4"
                   }
                 },
                 "rimraf": {
                   "version": "2.6.3",
                   "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
                   "integrity": "sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==",
                   "dev": true,
                   "requires": {
                     "glob": "^7.1.3"
                   }
                 },
                 "run-async": {
                   "version": "2.3.0",
                   "resolved": "https://registry.npmjs.org/run-async/-/run-async-2.3.0.tgz",
                   "integrity": "sha1-A3GrSuC91yDUFm19/aZP96RFpsA=",
                   "dev": true,
                   "requires": {
                     "is-promise": "^2.1.0"
                   }
                 },
                 "rxjs": {
                   "version": "6.5.3",
                   "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.5.3.tgz",
                   "integrity": "sha512-wuYsAYYFdWTAnAaPoKGNhfpWwKZbJW+HgAJ+mImp+Epl7BG8oNWBCTyRM8gba9k4lk8BgWdoYm21Mo/RYhhbgA==",
                   "dev": true,
                   "requires": {
                     "tslib": "^1.9.0"
                   }
                 },
                 "safer-buffer": {
                   "version": "2.1.2",
                   "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
                   "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
                   "dev": true
                 },
                 "semver": {
                   "version": "6.3.0",
                   "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
                   "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
                   "dev": true
                 },
                 "shebang-command": {
                   "version": "1.2.0",
                   "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
                   "integrity": "sha1-RKrGW2lbAzmJaMOfNj/uXer98eo=",
                   "dev": true,
                   "requires": {
                     "shebang-regex": "^1.0.0"
                   }
                 },
                 "shebang-regex": {
                   "version": "1.0.0",
                   "resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-1.0.0.tgz",
                   "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=",
                   "dev": true
                 },
                 "signal-exit": {
                   "version": "3.0.2",
                   "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
                   "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=",
                   "dev": true
                 },
                 "slice-ansi": {
                   "version": "2.1.0",
                   "resolved": "https://registry.npmjs.org/slice-ansi/-/slice-ansi-2.1.0.tgz",
                   "integrity": "sha512-Qu+VC3EwYLldKa1fCxuuvULvSJOKEgk9pi8dZeCVK7TqBfUNTH4sFkk4joj8afVSfAYgJoSOetjx9QWOJ5mYoQ==",
                   "dev": true,
                   "requires": {
                     "ansi-styles": "^3.2.0",
                     "astral-regex": "^1.0.0",
                     "is-fullwidth-code-point": "^2.0.0"
                   }
                 },
                 "sprintf-js": {
                   "version": "1.0.3",
                   "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
                   "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
                   "dev": true
                 },
                 "string-width": {
                   "version": "2.1.1",
                   "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
                   "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
                   "dev": true,
                   "requires": {
                     "is-fullwidth-code-point": "^2.0.0",
                     "strip-ansi": "^4.0.0"
                   },
                   "dependencies": {
                     "strip-ansi": {
                       "version": "4.0.0",
                       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
                       "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
                       "dev": true,
                       "requires": {
                         "ansi-regex": "^3.0.0"
                       }
                     }
                   }
                 },
                 "string.prototype.trim": {
                   "version": "1.1.2",
                   "resolved": "https://registry.npmjs.org/string.prototype.trim/-/string.prototype.trim-1.1.2.tgz",
                   "integrity": "sha1-0E3iyJ4Tf019IG8Ia17S+ua+jOo=",
                   "dev": true,
                   "requires": {
                     "define-properties": "^1.1.2",
                     "es-abstract": "^1.5.0",
                     "function-bind": "^1.0.2"
                   }
                 },
                 "string.prototype.trimleft": {
                   "version": "2.1.0",
                   "resolved": "https://registry.npmjs.org/string.prototype.trimleft/-/string.prototype.trimleft-2.1.0.tgz",
                   "integrity": "sha512-FJ6b7EgdKxxbDxc79cOlok6Afd++TTs5szo+zJTUyow3ycrRfJVE2pq3vcN53XexvKZu/DJMDfeI/qMiZTrjTw==",
                   "dev": true,
                   "requires": {
                     "define-properties": "^1.1.3",
                     "function-bind": "^1.1.1"
                   }
                 },
                 "string.prototype.trimright": {
                   "version": "2.1.0",
                   "resolved": "https://registry.npmjs.org/string.prototype.trimright/-/string.prototype.trimright-2.1.0.tgz",
                   "integrity": "sha512-fXZTSV55dNBwv16uw+hh5jkghxSnc5oHq+5K/gXgizHwAvMetdAJlHqqoFC1FSDVPYWLkAKl2cxpUT41sV7nSg==",
                   "dev": true,
                   "requires": {
                     "define-properties": "^1.1.3",
                     "function-bind": "^1.1.1"
                   }
                 },
                 "strip-ansi": {
                   "version": "5.2.0",
                   "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
                   "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
                   "dev": true,
                   "requires": {
                     "ansi-regex": "^4.1.0"
                   },
                   "dependencies": {
                     "ansi-regex": {
                       "version": "4.1.0",
                       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
                       "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
                       "dev": true
                     }
                   }
                 },
                 "strip-json-comments": {
                   "version": "3.0.1",
                   "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.0.1.tgz",
                   "integrity": "sha512-VTyMAUfdm047mwKl+u79WIdrZxtFtn+nBxHeb844XBQ9uMNTuTHdx2hc5RiAJYqwTj3wc/xe5HLSdJSkJ+WfZw==",
                   "dev": true
                 },
                 "supports-color": {
                   "version": "5.5.0",
                   "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
                   "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
                   "dev": true,
                   "requires": {
                     "has-flag": "^3.0.0"
                   }
                 },
                 "table": {
                   "version": "5.4.6",
                   "resolved": "https://registry.npmjs.org/table/-/table-5.4.6.tgz",
                   "integrity": "sha512-wmEc8m4fjnob4gt5riFRtTu/6+4rSe12TpAELNSqHMfF3IqnA+CH37USM6/YR3qRZv7e56kAEAtd6nKZaxe0Ug==",
                   "dev": true,
                   "requires": {
                     "ajv": "^6.10.2",
                     "lodash": "^4.17.14",
                     "slice-ansi": "^2.1.0",
                     "string-width": "^3.0.0"
                   },
                   "dependencies": {
                     "string-width": {
                       "version": "3.1.0",
                       "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
                       "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
                       "dev": true,
                       "requires": {
                         "emoji-regex": "^7.0.1",
                         "is-fullwidth-code-point": "^2.0.0",
                         "strip-ansi": "^5.1.0"
                       }
                     }
                   }
                 },
                 "tape": {
                   "version": "4.11.0",
                   "resolved": "https://registry.npmjs.org/tape/-/tape-4.11.0.tgz",
                   "integrity": "sha512-yixvDMX7q7JIs/omJSzSZrqulOV51EC9dK8dM0TzImTIkHWfe2/kFyL5v+d9C+SrCMaICk59ujsqFAVidDqDaA==",
                   "dev": true,
                   "requires": {
                     "deep-equal": "~1.0.1",
                     "defined": "~1.0.0",
                     "for-each": "~0.3.3",
                     "function-bind": "~1.1.1",
                     "glob": "~7.1.4",
                     "has": "~1.0.3",
                     "inherits": "~2.0.4",
                     "minimist": "~1.2.0",
                     "object-inspect": "~1.6.0",
                     "resolve": "~1.11.1",
                     "resumer": "~0.0.0",
                     "string.prototype.trim": "~1.1.2",
                     "through": "~2.3.8"
                   },
                   "dependencies": {
                     "deep-equal": {
                       "version": "1.0.1",
                       "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-1.0.1.tgz",
                       "integrity": "sha1-9dJgKStmDghO/0zbyfCK0yR0SLU=",
                       "dev": true
                     },
                     "defined": {
                       "version": "1.0.0",
                       "resolved": "https://registry.npmjs.org/defined/-/defined-1.0.0.tgz",
                       "integrity": "sha1-yY2bzvdWdBiOEQlpFRGZ45sfppM=",
                       "dev": true
                     },
                     "inherits": {
                       "version": "2.0.4",
                       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
                       "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
                       "dev": true
                     },
                     "minimist": {
                       "version": "1.2.0",
                       "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
                       "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
                       "dev": true
                     }
                   }
                 },
                 "text-table": {
                   "version": "0.2.0",
                   "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
                   "integrity": "sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=",
                   "dev": true
                 },
                 "through": {
                   "version": "2.3.8",
                   "resolved": "http://registry.npmjs.org/through/-/through-2.3.8.tgz",
                   "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=",
                   "dev": true
                 },
                 "tmp": {
                   "version": "0.0.33",
                   "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
                   "integrity": "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
                   "dev": true,
                   "requires": {
                     "os-tmpdir": "~1.0.2"
                   }
                 },
                 "tslib": {
                   "version": "1.10.0",
                   "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.10.0.tgz",
                   "integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==",
                   "dev": true
                 },
                 "tslint": {
                   "version": "5.18.0",
                   "resolved": "https://registry.npmjs.org/tslint/-/tslint-5.18.0.tgz",
                   "integrity": "sha512-Q3kXkuDEijQ37nXZZLKErssQVnwCV/+23gFEMROi8IlbaBG6tXqLPQJ5Wjcyt/yHPKBC+hD5SzuGaMora+ZS6w==",
                   "dev": true,
                   "requires": {
                     "@babel/code-frame": "^7.0.0",
                     "builtin-modules": "^1.1.1",
                     "chalk": "^2.3.0",
                     "commander": "^2.12.1",
                     "diff": "^3.2.0",
                     "glob": "^7.1.1",
                     "js-yaml": "^3.13.1",
                     "minimatch": "^3.0.4",
                     "mkdirp": "^0.5.1",
                     "resolve": "^1.3.2",
                     "semver": "^5.3.0",
                     "tslib": "^1.8.0",
                     "tsutils": "^2.29.0"
                   },
                   "dependencies": {
                     "semver": {
                       "version": "5.7.1",
                       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
                       "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
                       "dev": true
                     }
                   }
                 },
                 "tsutils": {
                   "version": "2.29.0",
                   "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-2.29.0.tgz",
                   "integrity": "sha512-g5JVHCIJwzfISaXpXE1qvNalca5Jwob6FjI4AoPlqMusJ6ftFE7IkkFoMhVLRgK+4Kx3gkzb8UZK5t5yTTvEmA==",
                   "dev": true,
                   "requires": {
                     "tslib": "^1.8.1"
                   }
                 },
                 "type-check": {
                   "version": "0.3.2",
                   "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
                   "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
                   "dev": true,
                   "requires": {
                     "prelude-ls": "~1.1.2"
                   }
                 },
                 "typescript": {
-                  "version": "3.6.4",
+                  "version": "4.1.5",
-                  "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.6.4.tgz",
+                  "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.5.tgz",
-                  "integrity": "sha512-unoCll1+l+YK4i4F8f22TaNVPRHcD9PA3yCuZ8g5e0qGqlVlJ/8FSateOLLSagn+Yg5+ZwuPkL8LFUc0Jcvksg==",
+                  "integrity": "sha512-6OSu9PTIzmn9TCDiovULTnET6BgXtDYL4Gg4szY+cGsc3JP1dQL8qvE8kShTRx1NIw4Q9IBHlwODjkjWEtMUyA==",
                   "dev": true
                 },
                 "uri-js": {
                   "version": "4.2.2",
                   "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
                   "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
                   "dev": true,
                   "requires": {
                     "punycode": "^2.1.0"
                   }
                 },
                 "v8-compile-cache": {
                   "version": "2.1.0",
                   "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.1.0.tgz",
                   "integrity": "sha512-usZBT3PW+LOjM25wbqIlZwPeJV+3OSz3M1k1Ws8snlW39dZyYL9lOGC5FgPVHfk0jKmjiDV8Z0mIbVQPiwFs7g==",
                   "dev": true
                 },
                 "which": {
                   "version": "1.3.1",
                   "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
                   "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
                   "dev": true,
                   "requires": {
                     "isexe": "^2.0.0"
                   }
                 },
                 "wordwrap": {
                   "version": "1.0.0",
                   "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
                   "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
                   "dev": true
                 },
                 "wrappy": {
                   "version": "1.0.2",
                   "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
                   "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
                   "dev": true
                 },
                 "write": {
                   "version": "1.0.3",
                   "resolved": "https://registry.npmjs.org/write/-/write-1.0.3.tgz",
                   "integrity": "sha512-/lg70HAjtkUgWPVZhZcm+T4hkL8Zbtp1nFNOn3lRrxnlv50SRBv7cR7RqR+GMsd3hUXy9hWBo4CHTbFTcOYwig==",
                   "dev": true,
                   "requires": {
                     "mkdirp": "^0.5.1"
                   }
                 }
               }
             }

package.json +1 -1

             {
               "name": "@implab/core",
               "version": "0.0.1-dev",
               "description": "Dependency injection, logging, simple and fast text template engine",
               "main": "main.js",
               "keywords": [
                 "di",
                 "ioc",
                 "logging",
                 "template engine",
                 "dependency injection"
               ],
               "author": "Implab team",
               "license": "BSD-2-Clause",
               "repository": "https://bitbucket.org/implab/implabjs",
               "publishConfig": {
                 "access": "public"
               },
               "peerDependencies": {
                 "dojo": "^1.10.0"
               },
               "devDependencies": {
                 "@types/node": "^8.0.0",
                 "@types/requirejs": "~2.1.31",
                 "@types/tape": "~4.2.33",
                 "dojo": "~1.10.0",
                 "dojo-typings": "^1.11.9",
                 "requirejs": "latest",
                 "tape": "~4.11.0",
-                "typescript": "~3.6.4",
+                "typescript": "~4.1.5",
                 "eslint": "6.1.0",
                 "tslint": "5.18.0"
               }
             }

src/main/ts/safe.ts +55 -1

             import { ICancellable, Constructor, IDestroyable, ICancellation, IRemovable } from "./interfaces";
             let _nextOid = 0;
             const _oid = typeof Symbol === "function" ?
                 Symbol("__implab__oid__") :
                 "__implab__oid__";
+            function _noop() { }
             export function oid(instance: null | undefined): undefined;
             export function oid(instance: NonNullable<any>): string;
             export function oid(instance: any): string | undefined {
                 if (isNull(instance))
                     return undefined;
                 if (_oid in instance)
                     return instance[_oid];
                 else
                     return (instance[_oid] = "oid_" + (++_nextOid));
             }
             const cancellationNone: ICancellation = {
                 isSupported(): boolean {
                     return false;
                 },
                 throwIfRequested(): void {
                 },
                 isRequested(): boolean {
                     return false;
                 },
                 register(_cb: (e: any) => void): IDestroyable {
                     return destroyed;
                 }
             };
             export function keys<T>(arg: T): (Extract<keyof T, string>)[] {
                 return isObject(arg) && arg ? Object.keys(arg) as (Extract<keyof T, string>)[] : [];
             }
             export function isKeyof<T>(k: string, target: T): k is Extract<keyof T, string> {
                 return target && typeof target === "object" && k in target;
             }
             export function argumentNotNull(arg: any, name: string) {
                 if (arg === null || arg === undefined)
                     throw new Error("The argument " + name + " can't be null or undefined");
             }
             export function argumentNotEmptyString(arg: any, name: string) {
                 if (typeof (arg) !== "string" || !arg.length)
                     throw new Error("The argument '" + name + "' must be a not empty string");
             }
             export function argumentNotEmptyArray(arg: any, name: string) {
                 if (!(arg instanceof Array) || !arg.length)
                     throw new Error("The argument '" + name + "' must be a not empty array");
             }
             export function argumentOfType(arg: any, type: Constructor<{}>, name: string) {
                 if (!(arg instanceof type))
                     throw new Error("The argument '" + name + "' type doesn't match");
             }
             export function isNull(val: any): val is null | undefined {
                 return (val === null || val === undefined);
             }
             export type primitive = symbol | string | number | boolean | undefined | null;
             export function isPrimitive(val: any): val is primitive {
                 return (val === null || val === undefined || typeof (val) === "string" ||
                     typeof (val) === "number" || typeof (val) === "boolean");
             }
             export function isObject<T>(value: T): value is Exclude<T & object, primitive> {
                 return !!(value && typeof value === "object");
             }
             export function isInteger(val: any): val is number {
                 return parseInt(val, 10) === val;
             }
             export function isNumber(val: any): val is number {
                 return parseFloat(val) === val;
             }
             export function isString(val: any): val is string {
                 return typeof (val) === "string";
             }
             export function isPromise<T = any>(val: any): val is PromiseLike<T> {
                 return !!(val && typeof val.then === "function");
             }
             export function isCancellable(val: any): val is ICancellable {
                 return !!(val && typeof val.cancel === "function");
             }
             export function isNullOrEmptyString(val: any): val is ("" | null | undefined) {
                 return (val === null || val === undefined ||
                     ((typeof (val) === "string" || val instanceof String) && val.length === 0));
             }
             export function isNotEmptyArray<T = any>(arg: any): arg is T[] {
                 return (arg instanceof Array && arg.length > 0);
             }
             function _isStrictMode(this: any) {
                 return !this;
             }
             function _getNonStrictGlobal(this: any) {
                 return this;
             }
             export function getGlobal() {
                 // in es3 we can't use indirect call to eval, since it will
                 // be executed in the current call context.
                 if (!_isStrictMode()) {
                     return _getNonStrictGlobal();
                 } else {
                     // tslint:disable-next-line:no-eval
                     return eval.call(null, "this");
                 }
             }
             export function get(member: string, context?: object) {
                 argumentNotEmptyString(member, "member");
                 let that = context || getGlobal();
                 const parts = member.split(".");
                 for (const m of parts) {
                     if (!m)
                         continue;
                     if (isNull(that = that[m]))
                         break;
                 }
                 return that;
             }
             /**
              * Выполняет метод для каждого элемента массива, останавливается, когда
              * либо достигнут конец массива, либо функция <c>cb</c> вернула
              * значение.
              *
              * @param {Array | Object} obj массив элементов для просмотра
              * @param {Function} cb функция, вызываемая для каждого элемента
              * @param {Object} thisArg значение, которое будет передано в качестве
              *                <c>this</c> в <c>cb</c>.
              * @returns {void}
              */
             export function each<T>(obj: T, cb: <X extends Extract<keyof T, string>>(v: NonNullable<T[X]>, k: X) => void): void;
             export function each<T>(array: T[], cb: (v: T, i: number) => void): void;
             export function each(obj: any, cb: any, thisArg?: any): any;
             export function each(obj: any, cb: any, thisArg?: any) {
                 argumentNotNull(cb, "cb");
                 if (obj instanceof Array) {
                     let v: any;
                     for (let i = 0; i < obj.length; i++) {
                         v = obj[i];
                         if (v !== undefined)
                             cb.call(thisArg, v, i);
                     }
                 } else {
                     Object.keys(obj).forEach(k => obj[k] !== undefined && cb.call(thisArg, obj[k], k));
                 }
             }
             /** Copies property values from a source object to the destination and returns
              * the destination object.
              *
              * @param dest The destination object into which properties from the source
              *  object will be copied.
              * @param source The source of values which will be copied to the destination
              *  object.
              * @param template An optional parameter specifies which properties should be
              *  copied from the source and how to map them to the destination. If the
              *  template is an array it contains the list of property names to copy from the
              *  source to the destination. In case of object the templates contains the map
              *  where keys are property names in the source and the values are property
              *  names in the destination object. If the template isn't specified then the
              *  own properties of the source are entirely copied to the destination.
              *
              */
             export function mixin<T extends object, S extends object>(dest: T, source: S, template?: (keyof S)[]): T & S;
             export function mixin<T extends object, S extends object, R extends object = T>(dest: T, source: S, template: { [p in keyof S]?: keyof R; }): T & R;
             export function mixin<T extends object, S extends object>(dest: T, source: S, template?: any): any {
                 argumentNotNull(dest, "dest");
                 const _res: any = dest as any;
                 if (isPrimitive(source))
                     return _res;
                 if (template instanceof Array) {
                     template.forEach(p => {
                         if (isKeyof(p, source))
                             _res[p] = source[p];
                     });
                 } else if (template) {
                     keys(source).forEach(p => {
                         if (isKeyof(p, template))
                             _res[template[p]] = source[p];
                     });
                 } else {
                     keys(source).forEach(p => _res[p] = source[p]);
                 }
                 return _res;
             }
             /** Wraps the specified function to emulate an asynchronous execution.
              * @param{Object} thisArg [Optional] Object which will be passed as 'this' to the function.
              * @param{Function|String} fn [Required] Function wich will be wrapped.
              */
             export function async<T, F extends (...args: any[]) => T | PromiseLike<T>>(
                 fn: F,
                 thisArg?: ThisParameterType<F>
             ): (...args: Parameters<F>) => PromiseLike<T>;
             export function async<T, M extends string, O extends { [m in M]?: (...args: any[]) => T | PromiseLike<T> }>(
                 fn: M,
                 thisArg: O
             ): (...args: Parameters<NonNullable<O[M]>>) => PromiseLike<T>;
             export function async(_fn: any, thisArg: any): (...args: any[]) => PromiseLike<any> {
                 let fn = _fn;
                 if (arguments.length === 2 && !(fn instanceof Function))
                     fn = thisArg[fn];
                 if (fn == null)
                     throw new Error("The function must be specified");
                 function wrapresult(x: any, e?: any): PromiseLike<any> {
                     if (e) {
                         return {
                             then(cb, eb) {
                                 try {
                                     return eb ? wrapresult(eb(e)) : this;
                                 } catch (e2) {
                                     return wrapresult(null, e2);
                                 }
                             }
                         };
                     } else {
                         if (x && x.then)
                             return x;
                         return {
                             then(cb) {
                                 try {
                                     return cb ? wrapresult(cb(x)) : this;
                                 } catch (e2) {
                                     return wrapresult(e2);
                                 }
                             }
                         };
                     }
                 }
                 return (...args) => {
                     try {
                         return wrapresult(fn.apply(thisArg, args));
                     } catch (e) {
                         return wrapresult(null, e);
                     }
                 };
             }
             export function delegate<T extends object, F extends (this: T, ...args: any[]) => any>(
                 target: T,
                 method: F
             ): OmitThisParameter<F>;
             export function delegate<M extends string, T extends { [m in M]?: (...args: any[]) => any; }>(
                 target: T,
                 method: M
             ): OmitThisParameter<T[M]>;
             export function delegate(target: any, _method: any): (...args: any[]) => any {
                 let method: any;
                 if (!(_method instanceof Function)) {
                     argumentNotNull(target, "target");
                     method = target[_method];
                     if (!(method instanceof Function))
                         throw new Error("'method' argument must be a Function or a method name");
                 } else {
                     method = _method;
                 }
                 return (...args) => {
                     return method.apply(target, args);
                 };
             }
+            /** Returns promise which will be resolved after the specified amount of time.
+             *
+             * @param timeMs The delay before the promise will be resolved in milliseconds.
+             * @param ct Optional. A cancellation token for the operation.
+             */
             export function delay(timeMs: number, ct = cancellationNone) {
                 ct.throwIfRequested();
-                return new Promise((resolve, reject) => {
+                return new Promise<void>((resolve, reject) => {
                     const h = ct.register(e => {
                         clearTimeout(id);
                         reject(e);
                         // we don't nedd to unregister h, since ct is already disposed
                     });
                     const id = setTimeout(() => {
                         h.destroy();
                         resolve();
                     }, timeMs);
                 });
             }
+            export function debounce<T extends any[], R, This>(func: (this: This, ...args: T) => R | PromiseLike<R>, wait: number) {
+                let cancel: (e?: any) => void = _noop;
+                const fn = function executedFunction(this: This, ...args: T) {
+                    return new Promise<R>((resolve, reject) => {
+                        // used to cleanup currently allocated resources
+                        const _cleanup = () => {
+                            cancel = _noop;
+                            clearTimeout(handle);
+                        };
+                        // used in case of cancellation of the current operation
+                        const _cancel = (e: any) => {
+                            _cleanup();
+                            reject(e);
+                        };
+                        // performs actual work
+                        const _later = () => {
+                            _cleanup();
+                            resolve(func.apply(this, args));
+                        };
+                        // cancel previously queued operation
+                        if (cancel !== _noop)
+                            cancel(new Error("Operation cancelled due to debouncing"));
+                        cancel = _cancel;
+                        const handle = setTimeout(_later, wait);
+                    });
+                };
+                fn.cancel = (e?: any) => cancel(e);
+                fn.applyAsync = async (thisArg: This, args: T, ct: ICancellation) => {
+                    const h = ct.register(cancel);
+                    try {
+                        await fn.apply(thisArg, args);
+                    } finally {
+                        h.destroy();
+                    }
+                };
+                return fn;
+            }
             /** Returns resolved promise, awaiting this method will cause the asynchronous
              * completion of the rest of the code.
              */
             export function fork() {
                 return Promise.resolve();
             }
             /** Always throws Error, can be used as a stub for the methods which should be
              * assigned later and are required to be not null.
              */
             export function notImplemented(): never {
                 throw new Error("Not implemented");
             }
             /**
              * Iterates over the specified array of items and calls the callback `cb`, if
              * the result of the callback is a promise the next item from the array will be
              * proceeded after the promise is resolved.
              *
              */
             export function pmap<T, T2>(
                 items: ArrayLike<T> | PromiseLike<ArrayLike<T>>,
                 cb: (item: T, i: number) => T2 | PromiseLike<T2>
             ): T2[] | PromiseLike<T2[]> {
                 argumentNotNull(cb, "cb");
                 if (isPromise(items)) {
                     return items.then(data => pmap(data, cb));
                 } else {
                     if (isNull(items) || !items.length)
                         return [];
                     let i = 0;
                     const result = new Array<T2>();
                     const next = (): any => {
                         while (i < items.length) {
                             const r = cb(items[i], i);
                             const ri = i;
                             i++;
                             if (isPromise(r)) {
                                 return r.then(x => {
                                     result[ri] = x;
                                     return next();
                                 });
                             } else {
                                 result[ri] = r;
                             }
                         }
                         return result;
                     };
                     return next();
                 }
             }
             export function pfor<T>(
                 items: ArrayLike<T> | PromiseLike<ArrayLike<T>>,
                 cb: (item: T, i: number) => any
             ): void | PromiseLike<void> {
                 argumentNotNull(cb, "cb");
                 if (isPromise(items)) {
                     return items.then(data => pfor(data, cb));
                 } else {
                     if (isNull(items) || !items.length)
                         return;
                     let i = 0;
                     const next = (): any => {
                         while (i < items.length) {
                             const r = cb(items[i], i);
                             i++;
                             if (isPromise(r))
                                 return r.then(next);
                         }
                     };
                     return next();
                 }
             }
             export function first<T>(sequence: ArrayLike<T>): T;
             export function first<T>(sequence: PromiseLike<ArrayLike<T>>): PromiseLike<T>;
             export function first<T>(
                 sequence: ArrayLike<T> | PromiseLike<ArrayLike<T>>,
                 cb?: (x: T) => void,
                 err?: (x: Error) => void
             ): void;
             /**
              * Выбирает первый элемент из последовательности, или обещания, если в
              * качестве параметра используется обещание, оно должно вернуть массив.
              *
              * @param {Function} cb обработчик результата, ему будет передан первый
              *                  элемент последовательности в случае успеха
              * @param {Function} err обработчик исключения, если массив пустой, либо
              *                  не массив
              *
              * @remarks Если не указаны ни cb ни err, тогда функция вернет либо
              *          обещание, либо первый элемент.
              * @async
              */
             export function first<T>(
                 sequence: ArrayLike<T> | PromiseLike<ArrayLike<T>>,
                 cb?: (x: T) => void,
                 err?: (x: Error) => void
             ) {
                 if (isPromise(sequence)) {
                     return sequence.then(res => first(res, cb as any /* force to pass undefined cb */, err));
                 } else if (sequence && "length" in sequence) {
                     if (sequence.length === 0) {
                         if (err)
                             return err(new Error("The sequence is empty"));
                         else
                             throw new Error("The sequence is empty");
                     } else if (cb) {
                         return cb(sequence[0]);
                     } else {
                         return sequence[0];
                     }
                 } else {
                     if (err)
                         return err(new Error("The sequence is required"));
                     else
                         throw new Error("The sequence is required");
                 }
             }
             export function firstWhere<T>(
                 sequence: ArrayLike<T>,
                 predicate: (x: T) => boolean
             ): T;
             export function firstWhere<T>(
                 sequence: PromiseLike<ArrayLike<T>>,
                 predicate: (x: T) => boolean
             ): PromiseLike<T>;
             export function firstWhere<T>(
                 sequence: ArrayLike<T> | PromiseLike<ArrayLike<T>>,
                 predicate: (x: T) => boolean,
                 cb: (x: T) => void,
                 err?: (x: Error) => void
             ): void;
             export function firstWhere<T>(
                 sequence: ArrayLike<T> | PromiseLike<ArrayLike<T>>,
                 predicate?: (x: T) => boolean,
                 cb?: (x: T) => any,
                 err?: (x: Error) => any
             ) {
                 if (isPromise(sequence)) {
                     return sequence.then(res => firstWhere(
                         res,
                         predicate as any /* force to pass undefined predicate */,
                         cb as any /* force to pass undefined cb */,
                         err)
                     );
                 } else if (sequence && "length" in sequence) {
                     if (sequence.length === 0) {
                         if (err)
                             err(new Error("The sequence is empty"));
                         else
                             throw new Error("The sequence is empty");
                     } else {
                         if (!predicate) {
                             return cb ? cb(sequence[0]) && void (0) : sequence[0];
                         } else {
                             for (let i = 0; i < sequence.length; i++) {
                                 const v = sequence[i];
                                 if (predicate(v))
                                     return cb ? cb(v) : v;
                             }
                             if (err)
                                 err(new Error("The sequence doesn't contain matching items"));
                             else
                                 throw new Error("The sequence doesn't contain matching items");
                         }
                     }
                 } else {
                     if (err)
                         err(new Error("The sequence is required"));
                     else
                         throw new Error("The sequence is required");
                 }
             }
             export function isDestroyable(d: any): d is IDestroyable {
                 return !!(d && typeof d.destroy === "function");
             }
             export function isRemovable(value: any): value is IRemovable {
                 return !!(value && typeof value.remove === "function");
             }
             export function destroy(d: any) {
                 if (isDestroyable(d))
                     d.destroy();
             }
             /**
              * Used to mark that the async operation isn't awaited intentionally.
              * @param p The promise which represents the async operation.
              */
             export function nowait(p: Promise<any>) {
             }
             /** represents already destroyed object.
              */
             export const destroyed = {
                 /** Calling to this method doesn't affect anything, noop.
                  */
                 destroy() {
                 }
             };

src/test/ts/tests/SafeTests.ts +62 -1

             import { Cancellation } from "../Cancellation";
-            import { first, isPromise, firstWhere, delay, nowait, notImplemented } from "../safe";
+            import { ICancellation } from "../interfaces";
+            import { first, isPromise, firstWhere, delay, nowait, notImplemented, debounce, fork } from "../safe";
             import { test } from "./TestTraits";
             test("await delay test", async t => {
                 // schedule delay
                 let resolved = false;
                 let res = delay(0).then(() => resolved = true);
                 t.false(resolved, "the delay should be async");
                 await res;
                 t.pass("await delay");
                 // create cancellation token
                 let cancel: (e?: any) => void = notImplemented;
                 const ct = new Cancellation(c => cancel = c);
                 // schedule delay
                 resolved = false;
                 res = delay(0, ct).then(() => resolved = true);
                 t.false(resolved, "created delay with ct");
                 // cancel
                 cancel();
                 try {
                     await res;
                     t.fail("the delay should fail when it is cancelled");
                 } catch {
                     t.pass("the delay is cancelled");
                 }
                 t.throws(() => {
                     // try schedule delay after the cancellation is requested
                     nowait(delay(0, ct));
                 }, "Should throw if cancelled before start");
             });
             test("sequemce test", async t => {
                 const sequence = ["a", "b", "c"];
                 const empty: string[] = [];
                 // synchronous tests
                 t.equals(first(sequence), "a", "Should return the first element");
                 t.equals(firstWhere(sequence, x => x === "b"), "b", "Should get the second element");
                 let v: string | undefined;
                 let e: Error | undefined;
                 first(sequence, x => v = x);
                 t.equal(v, "a", "The callback should be called for the first element");
                 firstWhere(sequence, x => x === "b", x => v = x);
                 t.equal(v, "b", "The callback should be called for the second element");
                 t.throws(() => {
                     first(empty);
                 }, "Should throw when the sequence is empty");
                 t.throws(() => {
                     firstWhere(empty, x => x === "b");
                 }, "Should throw when the sequence is empty");
                 t.throws(() => {
                     first(empty, x => v = x);
                 }, "Should throw when the sequence is empty");
                 t.throws(() => {
                     firstWhere(empty, x => x === "b", x => v = x);
                 }, "Should throw when the sequence is empty");
                 t.throws(() => {
                     firstWhere(sequence, x => x === "z");
                 }, "Should throw when the element isn't found");
                 t.throws(() => {
                     firstWhere(sequence, x => x === "z", x => v = x);
                 }, "Should throw when the element isn't found");
                 first(empty, undefined, x => e = x);
                 t.true(e, "The errorback should be called for the empty sequence");
                 // async tests
                 const asyncSequence = Promise.resolve(sequence);
                 const asyncEmptySequence = Promise.resolve(empty);
                 const promise = first(asyncSequence);
                 t.true(isPromise(promise), "Should return promise");
                 v = await promise;
                 t.equal(v, "a", "Should return the first element");
                 v = await new Promise(resolve => first(asyncSequence, resolve));
                 t.equal(v, "a", "The callback should be called for the first element");
             });
+            test("debounce tests", async (t, trace) => {
+                let count = 0;
+                let rejected = 0;
+                function increment(step: number = 1) {
+                    count += step;
+                    return count;
+                }
+                const f = debounce(increment, 100);
+                f().then(undefined, () => rejected++);
+                f().then(undefined, () => rejected++);
+                await f(1);
+                t.equal(rejected, 2, "Previous operations should be rejected");
+                t.equal(count, 1, "The operation should run once");
+                const acc = debounce(
+                    (...values: number[]) => count = values.reduce((a, v) => v + a, count),
+                );
+                acc(1, 2, 3).catch(() => { });
+                const result = acc(1, 2, 3);
+                acc.cancel();
+                try {
+                    await result;
+                    t.notOk("fn.cancel() should make current operation to throw an exception");
+                } catch {
+                    t.ok("fn.cancel() should make current operation to throw an exception");
+                }
+                t.equal(count, 1, "fn.cancel() The operation should not run");
+                acc.cancel();
+                await acc(1, 2);
+                t.equal(count, 4, "The variable arguments list shoud be handled correctly");
+                // create cancellation token
+                let cancel: (e?: any) => void = notImplemented;
+                const ct = new Cancellation(c => cancel = c);
+                const d = debounce(async (ct2: ICancellation = Cancellation.none) => {
+                    ct2.throwIfRequested();
+                    trace.debug("do async increment");
+                    await fork();
+                    count++;
+                    return count;
+                }, 0);
+                const p = d.applyAsync(null, [ct], ct).then(undefined, () => rejected++);
+                cancel();
+                await p;
+                t.equal(count, 4, "Cancellation token should prevent the function execution");
+                t.equal(rejected, 3, "Cancellation token should reject operation");
+            });

General Comments 0

Write
Preview

You need to be logged in to leave comments. Login now

No TODOs yet

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages