angular2
Version:
Angular 2 - a web framework for modern web apps
58 lines • 5.23 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
import { CONST, isStringMap } from 'angular2/src/facade/lang';
import { StringMapWrapper } from 'angular2/src/facade/collection';
import { Injectable, Pipe } from 'angular2/core';
import { InvalidPipeArgumentException } from './invalid_pipe_argument_exception';
/**
*
* Generic selector that displays the string that matches the current value.
*
* ## Usage
*
* expression | i18nSelect:mapping
*
* where `mapping` is an object that indicates the text that should be displayed
* for different values of the provided `expression`.
*
* ## Example
*
* ```
* <div>
* {{ gender | i18nSelect: inviteMap }}
* </div>
*
* class MyApp {
* gender: string = 'male';
* inviteMap: any = {
* 'male': 'Invite her.',
* 'female': 'Invite him.',
* 'other': 'Invite them.'
* }
* ...
* }
* ```
*/
export let I18nSelectPipe = class {
transform(value, args = null) {
var mapping = args[0];
if (!isStringMap(mapping)) {
throw new InvalidPipeArgumentException(I18nSelectPipe, mapping);
}
return StringMapWrapper.contains(mapping, value) ? mapping[value] : mapping['other'];
}
};
I18nSelectPipe = __decorate([
CONST(),
Pipe({ name: 'i18nSelect', pure: true }),
Injectable(),
__metadata('design:paramtypes', [])
], I18nSelectPipe);
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