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feat(index): add <import> filter support (options.import) (#163)
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‎README.md

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Original file line numberDiff line numberDiff line change
@@ -93,12 +93,40 @@ If your application includes many HTML Components or certain HTML Components are
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</div>
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```
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#### `{Boolean}`
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**webpack.config.js**
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```js
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{
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loader: 'html-loader',
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options: {
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import: false
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}
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}
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```
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#### `{RegExp}`
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**webpack.config.js**
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```js
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{
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loader: 'html-loader',
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options: {
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import: // TODO add URL filter method (#158)
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import: /filter/
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}
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}
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```
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#### `{Function}`
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**webpack.config.js**
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```js
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{
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loader: 'html-loader',
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options: {
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import (url) {
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return /filter/.test(url)
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}
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}
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}
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```

‎src/index.js

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Original file line numberDiff line numberDiff line change
@@ -37,8 +37,16 @@ export default function loader(html, map, meta) {
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const plugins = [];
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if (options.url) plugins.push(urls());
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if (options.import) plugins.push(imports(options));
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// HTML URL Plugin
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if (options.url) {
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plugins.push(urls());
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}
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// HTML IMPORT Plugin
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if (options.import) {
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plugins.push(imports(options));
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}
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// TODO(michael-ciniawsky)
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// <imports src=""./file.html"> aren't minified (options.template) (#160)
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if (options.minimize) plugins.push(minifier());

‎src/options.json

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Original file line numberDiff line numberDiff line change
@@ -5,7 +5,12 @@
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"type": "boolean"
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},
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"import": {
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"type": "boolean"
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"anyOf": [
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{ "type": "string" },
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{ "type": "boolean" },
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{ "instanceof": "RegExp" },
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{ "instanceof": "Function" }
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]
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},
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"template": {
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"type": [ "boolean", "string" ]

‎src/plugins/import.js

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Original file line numberDiff line numberDiff line change
@@ -2,10 +2,25 @@
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// External URL (Protocol URL)
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const URL = /^\w+:\/\//;
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const TAGS = [ { tag: 'import' }, { tag: 'include' } ];
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// TODO(michael-ciniawsky)
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// add filter method for urls (e.g `options.import`) (#158)
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const filter = (url) => {
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return URL.test(url) || url.startsWith('//');
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const filter = (url, options) => {
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if (URL.test(url)) {
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return true;
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}
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if (url.startsWith('//')) {
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return true;
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}
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if (options.import instanceof RegExp) {
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return options.import.test(url);
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}
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if (typeof options.import === 'function') {
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return options.import(url);
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}
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return false;
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};
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export default function (options = {}) {

‎test/fixtures/options/import/filter/fixture.html

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,18 @@
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<!-- Ignore -->
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<import src="//file.html"></import>
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<import src="//cdn.com/file.html"></import>
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<import src="http://cdn.com/file.html"></import>
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<import src="https://cdn.com/file.html"></import>
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<!-- Transform -->
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<import src="./1.html"></import>
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<import src="/2.html"></import>
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<!-- Filter (Ignore) -->
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<import src="./filter/1.html"></import>
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<import src="/filter/2.html"></import>
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<!-- Transform -->
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<include src="./1.html"></include>
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<include src="/2.html"></include>
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<!-- Filter (Ignore) -->
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<include src="./filter/1.html"></include>
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<include src="/filter/2.html"></include>
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‎test/fixtures/options/import/filter/fixture.js

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,3 @@
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import html from './fixture.html';
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export default html;

‎test/options/__snapshots__/import.test.js.snap

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@@ -1,6 +1,37 @@
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// Jest Snapshot v1, https://goo.gl/fbAQLP
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3-
exports[`Options import {Boolean} 1`] = `
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exports[`Options import {Boolean} - false 1`] = `
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"// HTML Imports
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// HTML Exports
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// HTML
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export default \`<!DOCTYPE html>
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<html lang=\\"en\\">
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<head>
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<meta charset=\\"utf-8\\">
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<title>HTML Loader</title>
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</head>
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<body>
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<!-- Ignore -->
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<import src=\\"//file.html\\"></import>
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<import src=\\"//cdn.com/file.html\\"></import>
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<import src=\\"http://cdn.com/file.html\\"></import>
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<import src=\\"https://cdn.com/file.html\\"></import>
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<!-- Transform -->
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<import src=\\"./1.html\\"></import>
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<import src=\\"/2.html\\"></import>
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<include src=\\"./1.html\\"></include>
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<include src=\\"/2.html\\"></include>
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</body>
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</html>
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\`"
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`;
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exports[`Options import {Boolean} - true - default 1`] = `
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"// HTML Imports
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import HTML__IMPORT__0 from './1.html';
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import HTML__IMPORT__1 from '/2.html';
@@ -32,5 +63,71 @@ export default \`<!DOCTYPE html>
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\${HTML__IMPORT__3}
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</body>
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</html>
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\`"
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`;
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exports[`Options import {Function} 1`] = `
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"// HTML Imports
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import HTML__IMPORT__0 from './1.html';
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import HTML__IMPORT__1 from '/2.html';
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import HTML__IMPORT__2 from './1.html';
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import HTML__IMPORT__3 from '/2.html';
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// HTML Exports
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// HTML
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export default \`<!-- Ignore -->
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<!-- Transform -->
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\${HTML__IMPORT__0}
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\${HTML__IMPORT__1}
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<!-- Filter (Ignore) -->
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<!-- Transform -->
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\${HTML__IMPORT__2}
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\${HTML__IMPORT__3}
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<!-- Filter (Ignore) -->
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\`"
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`;
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exports[`Options import {RegExp} 1`] = `
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"// HTML Imports
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import HTML__IMPORT__0 from './1.html';
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import HTML__IMPORT__1 from '/2.html';
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import HTML__IMPORT__2 from './1.html';
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import HTML__IMPORT__3 from '/2.html';
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// HTML Exports
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// HTML
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export default \`<!-- Ignore -->
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<!-- Transform -->
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\${HTML__IMPORT__0}
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\${HTML__IMPORT__1}
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<!-- Filter (Ignore) -->
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<!-- Transform -->
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\${HTML__IMPORT__2}
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\${HTML__IMPORT__3}
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<!-- Filter (Ignore) -->
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35132
\`"
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`;

‎test/options/import.test.js

Lines changed: 51 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,7 @@ import webpack from '../helpers/compiler';
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44
describe('Options', () => {
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describe('import', () => {
6-
test('{Boolean}', async () => {
6+
test('{Boolean} - true - default', async () => {
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const config = {
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loader: {
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test: /\.html$/,
@@ -16,5 +16,55 @@ describe('Options', () => {
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1717
expect(source).toMatchSnapshot();
1818
});
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test('{Boolean} - false', async () => {
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const config = {
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loader: {
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test: /\.html$/,
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options: {
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import: false
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},
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},
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};
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const stats = await webpack('options/import/fixture.js', config);
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const { source } = stats.toJson().modules[1];
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expect(source).toMatchSnapshot();
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});
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test('{RegExp}', async () => {
37+
const config = {
38+
loader: {
39+
test: /\.html$/,
40+
options: {
41+
import: /filter/
42+
},
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},
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};
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const stats = await webpack('options/import/filter/fixture.js', config);
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const { source } = stats.toJson().modules[1];
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expect(source).toMatchSnapshot();
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});
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test('{Function}', async () => {
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const config = {
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loader: {
55+
test: /\.html$/,
56+
options: {
57+
import (url) {
58+
return /filter/.test(url)
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}
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},
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},
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};
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const stats = await webpack('options/import/filter/fixture.js', config);
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const { source } = stats.toJson().modules[1];
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expect(source).toMatchSnapshot();
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});
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});
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});

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