webpack/lib/rules/DescriptionDataMatcherRulePlugin.js

Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/

"use strict";

/** @typedef {import("./RuleSetCompiler")} RuleSetCompiler */
/** @typedef {import("./RuleSetCompiler").RuleCondition} RuleCondition */

const RULE_PROPERTY = "descriptionData";

class DescriptionDataMatcherRulePlugin {
	/**
	 * @param {RuleSetCompiler} ruleSetCompiler the rule set compiler
	 * @returns {void}
	 */
	apply(ruleSetCompiler) {
		ruleSetCompiler.hooks.rule.tap(
			"DescriptionDataMatcherRulePlugin",
			(path, rule, unhandledProperties, result) => {
				if (unhandledProperties.has(RULE_PROPERTY)) {
					unhandledProperties.delete(RULE_PROPERTY);
					const value = rule[RULE_PROPERTY];
					for (const property of Object.keys(value)) {
						const dataProperty = property.split(".");
						const condition = ruleSetCompiler.compileCondition(
							`${path}.${RULE_PROPERTY}.${property}`,
							value[property]
						);
						result.conditions.push({
							property: ["descriptionData", ...dataProperty],
							matchWhenEmpty: condition.matchWhenEmpty,
							fn: condition.fn
						});
					}
				}
			}
		);
	}
}

module.exports = DescriptionDataMatcherRulePlugin;