shift73k/assets_old/node_modules/svg-sprite-loader/lib/utils/get-loader-options.js

34 lines
897 B
JavaScript

const normalizeRule = require('./normalize-rule');
const isWebpack1 = require('./is-webpack-1');
/**
* webpack 1 compat loader options finder. Returns normalized options.
* @param {string} loaderPath
* @param {Object|Rule} rule
* @return {Object|null}
*/
function getLoaderOptions(loaderPath, rule) {
let multiRuleProp;
if (isWebpack1) {
multiRuleProp = 'loaders';
} else if (rule.oneOf) {
multiRuleProp = 'oneOf';
} else {
multiRuleProp = 'use';
}
const multiRule = typeof rule === 'object' && Array.isArray(rule[multiRuleProp]) ? rule[multiRuleProp] : null;
let options;
if (multiRule) {
const rules = [].concat(...multiRule.map(r => (r.use || r)));
options = rules.map(normalizeRule).find(r => loaderPath.includes(r.loader)).options;
} else {
options = normalizeRule(rule).options;
}
return options;
}
module.exports = getLoaderOptions;