implab/implabjs-djx Files · djx/src/main/ts/NlsBundle.ts

Implemented subscription SubscriptionImpl, fixed subscription resource management

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r120:bc1b4dd8ca1a v1.6.2 default


                r158:078eca3dc271

v1.10.3 default

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             NlsBundle.ts
        
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             / djx / src / main / ts / NlsBundle.ts
          
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        cin
    
Converted to subproject djx, removed dojo-typings

              r65
            
      import { MapOf, PromiseOrValue } from "@implab/core-amd/interfaces";

      import { argumentNotEmptyString, isPromise, mixin } from "@implab/core-amd/safe";

        cin
    
type fixes for i18n, store

              r120
            
      export type LocaleProvider<T> = () => PromiseOrValue<T | {default: T}>;

        cin
    
Converted to subproject djx, removed dojo-typings

              r65
            
      function when<T, T2>(value: PromiseOrValue<T>, cb: (v: T) => PromiseOrValue<T2>): PromiseOrValue<T2> {

          return isPromise(value) ?

              value.then(cb) :

              cb(value);

      }

        cin
    
fixed NlsBundle locale package loading...

              r112
            
      const loadPackage = <T extends object>(localeData: LocaleProvider<Partial<T>> | undefined) => 

          localeData ?

              when(localeData(), data => data && "default" in data ? data.default : data) :

              undefined;

      const chainObjects = <T extends object>(o1: T, o2: Partial<T> | undefined): T =>

          o2 ? mixin(Object.create(o1) as T, o2) : o1;

        cin
    
linting

              r109
            
      export class NlsBundle<T extends object> {

          private readonly _locales: MapOf<LocaleProvider<Partial<T>>>;

        cin
    
Converted to subproject djx, removed dojo-typings

              r65
            
        cin
    
linting

              r109
            
          private readonly _default: T;

        cin
    
Converted to subproject djx, removed dojo-typings

              r65
            
          private _cache: MapOf<PromiseOrValue<T>>;

          constructor(defNls: T, locales?: MapOf<LocaleProvider<Partial<T>>>) {

              this._default = defNls;

              this._locales = locales || {};

              this._cache = {};

          }

          getLocale(locale: string) {

              argumentNotEmptyString(locale, "locale");

              const _loc = locale;

              // en-US => ["en", "en-US"]

              const locales = _loc.split(/-|_/).map((x, i, a) => a.slice(0, i + 1).join("-"));

              return this._resolveLocale(locales);

          }

          _resolveLocale(locales: string[]): PromiseOrValue<T> {

              if (!locales.length)

                  return this._default;

              const locale = locales.pop();

              if (!locale)

                  throw new Error("The locale can't be empty");

              if (this._cache[locale])

                  return this._cache[locale];

        cin
    
fixed NlsBundle locale package loading...

              r112
            
              const data = loadPackage(this._locales[locale]);

        cin
    
Converted to subproject djx, removed dojo-typings

              r65
            
              const parent = this._resolveLocale(locales);

              return this._cache[locale] = when(data, x => {

                  return when(parent, y => this._cache[locale] = chainObjects(y, x));

              });

          }

      }

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cin Converted to subproject djx, removed dojo-typings	r65	import { MapOf, PromiseOrValue } from "@implab/core-amd/interfaces";
		import { argumentNotEmptyString, isPromise, mixin } from "@implab/core-amd/safe";

cin type fixes for i18n, store	r120	export type LocaleProvider<T> = () => PromiseOrValue<T \| {default: T}>;
cin Converted to subproject djx, removed dojo-typings	r65
		function when<T, T2>(value: PromiseOrValue<T>, cb: (v: T) => PromiseOrValue<T2>): PromiseOrValue<T2> {
		return isPromise(value) ?
		value.then(cb) :
		cb(value);
		}

cin fixed NlsBundle locale package loading...	r112	const loadPackage = <T extends object>(localeData: LocaleProvider<Partial<T>> \| undefined) =>
		localeData ?
		when(localeData(), data => data && "default" in data ? data.default : data) :
		undefined;

		const chainObjects = <T extends object>(o1: T, o2: Partial<T> \| undefined): T =>
		o2 ? mixin(Object.create(o1) as T, o2) : o1;

cin linting	r109	export class NlsBundle<T extends object> {
		private readonly _locales: MapOf<LocaleProvider<Partial<T>>>;
cin Converted to subproject djx, removed dojo-typings	r65
cin linting	r109	private readonly _default: T;
cin Converted to subproject djx, removed dojo-typings	r65
		private _cache: MapOf<PromiseOrValue<T>>;

		constructor(defNls: T, locales?: MapOf<LocaleProvider<Partial<T>>>) {
		this._default = defNls;
		this._locales = locales \|\| {};
		this._cache = {};
		}

		getLocale(locale: string) {
		argumentNotEmptyString(locale, "locale");
		const _loc = locale;

		// en-US => ["en", "en-US"]
		const locales = _loc.split(/-\|_/).map((x, i, a) => a.slice(0, i + 1).join("-"));
		return this._resolveLocale(locales);
		}

		_resolveLocale(locales: string[]): PromiseOrValue<T> {
		if (!locales.length)
		return this._default;

		const locale = locales.pop();
		if (!locale)
		throw new Error("The locale can't be empty");

		if (this._cache[locale])
		return this._cache[locale];

cin fixed NlsBundle locale package loading...	r112	const data = loadPackage(this._locales[locale]);
cin Converted to subproject djx, removed dojo-typings	r65	const parent = this._resolveLocale(locales);

		return this._cache[locale] = when(data, x => {
		return when(parent, y => this._cache[locale] = chainObjects(y, x));
		});
		}
		}