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40 lines
1.6 KiB
40 lines
1.6 KiB
/* This loader renders the template with underscore if no other loader was found */ |
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// @ts-nocheck |
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'use strict'; |
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const _ = require('lodash'); |
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module.exports = function (source) { |
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// Get templating options |
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const options = this.getOptions(); |
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const force = options.force || false; |
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const allLoadersButThisOne = this.loaders.filter((loader) => loader.normal !== module.exports); |
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// This loader shouldn't kick in if there is any other loader (unless it's explicitly enforced) |
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if (allLoadersButThisOne.length > 0 && !force) { |
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return source; |
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} |
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// Allow only one html-webpack-plugin loader to allow loader options in the webpack config |
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const htmlWebpackPluginLoaders = this.loaders.filter((loader) => loader.normal === module.exports); |
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const lastHtmlWebpackPluginLoader = htmlWebpackPluginLoaders[htmlWebpackPluginLoaders.length - 1]; |
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if (this.loaders[this.loaderIndex] !== lastHtmlWebpackPluginLoader) { |
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return source; |
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} |
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// Skip .js files (unless it's explicitly enforced) |
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if (/\.js$/.test(this.resourcePath) && !force) { |
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return source; |
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} |
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// The following part renders the template with lodash as a minimalistic loader |
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// |
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const template = _.template(source, { interpolate: /<%=([\s\S]+?)%>/g, variable: 'data', ...options }); |
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// Use __non_webpack_require__ to enforce using the native nodejs require |
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// during template execution |
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return 'var _ = __non_webpack_require__(' + JSON.stringify(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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