source: trip-planner-front/node_modules/webpack/lib/rules/ObjectMatcherRulePlugin.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 ObjectMatcherRulePlugin {
        constructor(ruleProperty, dataProperty) {
                this.ruleProperty = ruleProperty;
                this.dataProperty = dataProperty || ruleProperty;
        }

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

module.exports = ObjectMatcherRulePlugin;