implab/implabjs-core Files · src/amd/ts/text/template-compile.ts

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             template-compile.ts
        
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             / src / amd / ts / text / template-compile.ts
          
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      import request = require("dojo/request");

      import m = require("module");

      import { TraceSource } from "../log/TraceSource";

      import { TemplateCompiler } from "./TemplateCompiler";

      import { TemplateParser } from "./TemplateParser";

      import { isNullOrEmptyString } from "../safe";

      import { MapOf } from "../interfaces";

      type TemplateFn = (obj: object) => string;

      const trace = TraceSource.get(m.id);

      function compile(str: string) {

          if (isNullOrEmptyString(str))

              return () => "";

          const parser = new TemplateParser(str);

          const compiler = new TemplateCompiler();

          return compiler.compile(parser);

      }

      const cache: MapOf<TemplateFn> = {};

      interface OnLoadFn<T> {

          (res: T): void;

          error(e: any): void;

      }

      compile.load = (id: string, require: Require, callback: OnLoadFn<TemplateFn>) => {

          const url = require.toUrl(id);

          if (url in cache) {

              trace.debug("{0} -> {1}: cached", id, url);

              callback(cache[url]);

          } else {

              trace.debug("{0} -> {1}: load", id, url);

              request<string>(url).then(compile).then((tc: TemplateFn) => {

                  trace.debug("{0}: compiled", url);

                  callback(cache[url] = tc);

              }, (err: any) => {

                  callback.error({

                      inner: err,

                      src: "@implab/core/text/template-compile"

                  });

              });

          }

      };

      export = compile;

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				import request = require("dojo/request");
				import m = require("module");
				import { TraceSource } from "../log/TraceSource";
				import { TemplateCompiler } from "./TemplateCompiler";
				import { TemplateParser } from "./TemplateParser";
				import { isNullOrEmptyString } from "../safe";
				import { MapOf } from "../interfaces";

				type TemplateFn = (obj: object) => string;

				const trace = TraceSource.get(m.id);

				function compile(str: string) {
				if (isNullOrEmptyString(str))
				return () => "";

				const parser = new TemplateParser(str);
				const compiler = new TemplateCompiler();

				return compiler.compile(parser);
				}

				const cache: MapOf<TemplateFn> = {};

				interface OnLoadFn<T> {
				(res: T): void;
				error(e: any): void;
				}

				compile.load = (id: string, require: Require, callback: OnLoadFn<TemplateFn>) => {
				const url = require.toUrl(id);
				if (url in cache) {
				trace.debug("{0} -> {1}: cached", id, url);
				callback(cache[url]);
				} else {
				trace.debug("{0} -> {1}: load", id, url);
				request<string>(url).then(compile).then((tc: TemplateFn) => {
				trace.debug("{0}: compiled", url);
				callback(cache[url] = tc);
				}, (err: any) => {
				callback.error({
				inner: err,
				src: "@implab/core/text/template-compile"
				});
				});
				}
				};

				export = compile;