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feat: implement --base-href argument
Implement --base-href argument for build and serve commands Closes angular#1064
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| interface BaseHrefWebpackPluginOptions { | ||
| baseHref: string; | ||
| } | ||
|
|
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| export class BaseHrefWebpackPlugin { | ||
| constructor(private options: BaseHrefWebpackPluginOptions) { } | ||
|
|
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| apply(compiler): void { | ||
| // Ignore if baseHref is not passed | ||
| if (!this.options.baseHref) { | ||
| return; | ||
| } | ||
|
|
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| compiler.plugin('compilation', (compilation) => { | ||
| compilation.plugin('html-webpack-plugin-before-html-processing', (htmlPluginData, callback) => { | ||
| // Check if base tag already exists | ||
| const baseTagRegex = /<base.*?>/i; | ||
| const baseTagMatches = htmlPluginData.html.match(baseTagRegex); | ||
| if (!baseTagMatches) { | ||
| // Insert it in top of the head if not exist | ||
| htmlPluginData.html = htmlPluginData.html.replace(/<head>/i, '$&' + `<base href="${this.options.baseHref}">`); | ||
| } else { | ||
| // Replace only href attribute if exists | ||
| const modifiedBaseTag = baseTagMatches[0].replace(/href="\S+"/i, `href="${this.options.baseHref}"`); | ||
| htmlPluginData.html = htmlPluginData.html.replace(baseTagRegex, modifiedBaseTag); | ||
| } | ||
|
|
||
| callback(null, htmlPluginData); | ||
| }); | ||
| }); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /*eslint-disable no-console */ | ||
| 'use strict'; | ||
|
|
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| var expect = require('chai').expect; | ||
| var BaseHrefWebpackPlugin = require('../../addon/ng2/utilities/base-href-webpack-plugin').BaseHrefWebpackPlugin; | ||
|
|
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| function mockCompiler(indexHtml, callback) { | ||
| return { | ||
| plugin: function (event, compilerCallback) { | ||
| var compilation = { | ||
| plugin: function (hook, compilationCallback) { | ||
| var htmlPluginData = { | ||
| html: indexHtml | ||
| }; | ||
| compilationCallback(htmlPluginData, callback); | ||
| } | ||
| }; | ||
| compilerCallback(compilation); | ||
| } | ||
| }; | ||
| } | ||
|
|
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| describe('base href webpack plugin', function () { | ||
| it('should do nothing when baseHref is null', function () { | ||
| var plugin = new BaseHrefWebpackPlugin({ baseHref: null }); | ||
|
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| var compiler = mockCompiler('<body><head></head></body>', function (x, htmlPluginData) { | ||
| expect(htmlPluginData.html).to.equal('<body><head></head></body>'); | ||
| }); | ||
| plugin.apply(compiler); | ||
| }); | ||
|
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| it('should insert base tag when not exist', function () { | ||
| var plugin = new BaseHrefWebpackPlugin({ baseHref: '/' }); | ||
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| var compiler = mockCompiler('<body><head></head></body>', function (x, htmlPluginData) { | ||
| expect(htmlPluginData.html).to.equal('<body><head><base href="/"></head></body>'); | ||
| }); | ||
| plugin.apply(compiler); | ||
| }); | ||
|
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| it('should replace href attribute when base tag already exists', function () { | ||
| var plugin = new BaseHrefWebpackPlugin({ baseHref: '/myUrl/' }); | ||
|
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| var compiler = mockCompiler('<body><head><base href="/" target="_blank"></head></body>', function (x, htmlPluginData) { | ||
| expect(htmlPluginData.html).to.equal('<body><head><base href="/myUrl/" target="_blank"></head></body>'); | ||
| }); | ||
| plugin.apply(compiler); | ||
| }); | ||
| }); |
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