source: trip-planner-front/node_modules/webpack/lib/rules/BasicMatcherRulePlugin.js

/*
        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 */

class BasicMatcherRulePlugin {
        constructor(ruleProperty, dataProperty, invert) {
                this.ruleProperty = ruleProperty;
                this.dataProperty = dataProperty || ruleProperty;
                this.invert = invert || false;
        }

        /**
         * @param {RuleSetCompiler} ruleSetCompiler the rule set compiler
         * @returns {void}
         */
        apply(ruleSetCompiler) {
                ruleSetCompiler.hooks.rule.tap(
                        "BasicMatcherRulePlugin",
                        (path, rule, unhandledProperties, result) => {
                                if (unhandledProperties.has(this.ruleProperty)) {
                                        unhandledProperties.delete(this.ruleProperty);
                                        const value = rule[this.ruleProperty];
                                        const condition = ruleSetCompiler.compileCondition(
                                                `${path}.${this.ruleProperty}`,
                                                value
                                        );
                                        const fn = condition.fn;
                                        result.conditions.push({
                                                property: this.dataProperty,
                                                matchWhenEmpty: this.invert
                                                        ? !condition.matchWhenEmpty
                                                        : condition.matchWhenEmpty,
                                                fn: this.invert ? v => !fn(v) : fn
                                        });
                                }
                        }
                );
        }
}

module.exports = BasicMatcherRulePlugin;