refactor(i18n): I18nPipe uses NgLocalization (#9313)

and some refactoring
This commit is contained in:
Victor Berchet
2016-06-23 11:44:05 -07:00
committed by GitHub
parent 54dbed4f48
commit fed1672a43
11 changed files with 76 additions and 81 deletions

View File

@ -7,22 +7,21 @@
*/
import {Pipe, PipeTransform} from '@angular/core';
import {StringWrapper, isPresent, isStringMap} from '../facade/lang';
import {StringWrapper, isBlank, isStringMap} from '../facade/lang';
import {NgLocalization, getPluralCategory} from '../localization';
import {InvalidPipeArgumentException} from './invalid_pipe_argument_exception';
const _INTERPOLATION_REGEXP: RegExp = /#/g;
/**
*
* Maps a value to a string that pluralizes the value properly.
*
* ## Usage
*
* expression | i18nPlural:mapping
*
* where `expression` is a number and `mapping` is an object that indicates the proper text for
* when the `expression` evaluates to 0, 1, or some other number. You can interpolate the actual
* value into the text using the `#` sign.
* where `expression` is a number and `mapping` is an object that mimics the ICU format,
* see http://userguide.icu-project.org/formatparse/messages
*
* ## Example
*
@ -33,7 +32,7 @@ const _INTERPOLATION_REGEXP: RegExp = /#/g;
*
* class MyApp {
* messages: any[];
* messageMapping: any = {
* messageMapping: {[k:string]: string} = {
* '=0': 'No messages.',
* '=1': 'One message.',
* 'other': '# messages.'
@ -46,17 +45,17 @@ const _INTERPOLATION_REGEXP: RegExp = /#/g;
*/
@Pipe({name: 'i18nPlural', pure: true})
export class I18nPluralPipe implements PipeTransform {
constructor(private _localization: NgLocalization) {}
transform(value: number, pluralMap: {[count: string]: string}): string {
var key: string;
var valueStr: string;
if (isBlank(value)) return '';
if (!isStringMap(pluralMap)) {
throw new InvalidPipeArgumentException(I18nPluralPipe, pluralMap);
}
key = value === 0 || value === 1 ? `=${value}` : 'other';
valueStr = isPresent(value) ? value.toString() : '';
const key = getPluralCategory(value, Object.getOwnPropertyNames(pluralMap), this._localization);
return StringWrapper.replaceAll(pluralMap[key], _INTERPOLATION_REGEXP, valueStr);
return StringWrapper.replaceAll(pluralMap[key], _INTERPOLATION_REGEXP, value.toString());
}
}

View File

@ -7,11 +7,9 @@
*/
import {Pipe, PipeTransform} from '@angular/core';
import {StringMapWrapper} from '../facade/collection';
import {isStringMap} from '../facade/lang';
import {isBlank, isStringMap} from '../facade/lang';
import {InvalidPipeArgumentException} from './invalid_pipe_argument_exception';
/**
*
* Generic selector that displays the string that matches the current value.
@ -46,10 +44,12 @@ import {InvalidPipeArgumentException} from './invalid_pipe_argument_exception';
@Pipe({name: 'i18nSelect', pure: true})
export class I18nSelectPipe implements PipeTransform {
transform(value: string, mapping: {[key: string]: string}): string {
if (isBlank(value)) return '';
if (!isStringMap(mapping)) {
throw new InvalidPipeArgumentException(I18nSelectPipe, mapping);
}
return StringMapWrapper.contains(mapping, value) ? mapping[value] : mapping['other'];
return mapping.hasOwnProperty(value) ? mapping[value] : '';
}
}