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