59 lines
1.5 KiB
JavaScript
59 lines
1.5 KiB
JavaScript
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'use strict';
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var loaderUtils = require('loader-utils');
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var compiler = require('@riotjs/compiler');
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/**
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* Generate the hmr code depending on the tag generated by the compiler
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* @param {string} path - stringified, quote-enclosed path to the component file
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* @returns {string} the code needed to handle the riot hot reload
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*/
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function hotReload(path) {
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return `;(() => {
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if (module.hot) {
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const hotReload = require('@riotjs/hot-reload').default
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module.hot.accept()
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if (module.hot.data) {
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const component = require(${path}).default;
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hotReload(component)
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}
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}
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})()`
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}
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function index(source, map, meta) {
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// parse the user query
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const query = loaderUtils.getOptions(this) || {};
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// normalise the query object in case of question marks
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const opts = Object.keys(query).reduce(function(acc, key) {
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acc[key.replace('?', '')] = query[key];
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return acc
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}, {});
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try {
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// compile and generate sourcemaps
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const {code, map} = compiler.compile(
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source,
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{
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...opts,
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file: this.resourcePath
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}
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);
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// generate the output code
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// convert webpack's absolute path to a script-friendly string for hotReload
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const escapedPath = loaderUtils.stringifyRequest(this, this.resourcePath);
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const output = `${code}${opts.hot ? hotReload(escapedPath) : ''}`;
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// cache this module
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if (this.cacheable) this.cacheable();
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// return code and sourcemap
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this.callback(null, output, map, meta);
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} catch(error) {
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this.callback(error, '', map, meta);
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}
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}
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module.exports = index;
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