angular-cn/packages/compiler/src/config.ts

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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {CompileIdentifierMetadata} from './compile_metadata';
import {MissingTranslationStrategy, ViewEncapsulation} from './core';
import {Identifiers} from './identifiers';
import * as o from './output/output_ast';
import {noUndefined} from './util';
export class CompilerConfig {
public defaultEncapsulation: ViewEncapsulation|null;
// Whether to support the `<template>` tag and the `template` attribute to define angular
// templates. They have been deprecated in 4.x, `<ng-template>` should be used instead.
public enableLegacyTemplate: boolean;
public useJit: boolean;
public jitDevMode: boolean;
public missingTranslation: MissingTranslationStrategy|null;
public preserveWhitespaces: boolean;
constructor(
{defaultEncapsulation = ViewEncapsulation.Emulated, useJit = true, jitDevMode = false,
missingTranslation, enableLegacyTemplate, preserveWhitespaces}: {
defaultEncapsulation?: ViewEncapsulation,
useJit?: boolean,
jitDevMode?: boolean,
missingTranslation?: MissingTranslationStrategy,
enableLegacyTemplate?: boolean,
preserveWhitespaces?: boolean
} = {}) {
this.defaultEncapsulation = defaultEncapsulation;
this.useJit = !!useJit;
this.jitDevMode = !!jitDevMode;
this.missingTranslation = missingTranslation || null;
this.enableLegacyTemplate = enableLegacyTemplate !== false;
this.preserveWhitespaces = preserveWhitespacesDefault(noUndefined(preserveWhitespaces));
}
}
export function preserveWhitespacesDefault(
preserveWhitespacesOption: boolean | null, defaultSetting = true): boolean {
return preserveWhitespacesOption === null ? defaultSetting : preserveWhitespacesOption;
}