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36 lines
1.3 KiB
36 lines
1.3 KiB
4 years ago
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/* This loader renders the template with underscore if no other loader was found */
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'use strict';
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const _ = require('lodash');
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const loaderUtils = require('loader-utils');
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module.exports = function (source) {
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if (this.cacheable) {
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this.cacheable();
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}
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const allLoadersButThisOne = this.loaders.filter(function (loader) {
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// Loader API changed from `loader.module` to `loader.normal` in Webpack 2.
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return (loader.module || loader.normal) !== module.exports;
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});
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// This loader shouldn't kick in if there is any other loader
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if (allLoadersButThisOne.length > 0) {
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return source;
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}
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// Skip .js files
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if (/\.js$/.test(this.resourcePath)) {
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return source;
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}
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// The following part renders the tempalte with lodash as aminimalistic loader
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//
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// Get templating options
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const options = this.query !== '' ? loaderUtils.parseQuery(this.query) : {};
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const template = _.template(source, _.defaults(options, { variable: 'data' }));
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// Require !!lodash - using !! will disable all loaders (e.g. babel)
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return 'var _ = require(' + loaderUtils.stringifyRequest(this, '!!' + require.resolve('lodash')) + ');' +
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'module.exports = function (templateParams) { with(templateParams) {' +
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// Execute the lodash template
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'return (' + template.source + ')();' +
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'}}';
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};
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