app文件

guoyujie

9 天以前 a6c698f7418c1b0ea6202f068993d74a3347b0e6

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/*
    MIT License http://www.opensource.org/licenses/mit-license.php
    Author Tobias Koppers @sokra
*/
 
"use strict";
 
/** @typedef {import("../../declarations/WebpackOptions").RuleSetRule} RuleSetRule */
/** @typedef {import("./RuleSetCompiler")} RuleSetCompiler */
/** @typedef {import("./RuleSetCompiler").RuleCondition} RuleCondition */
/** @typedef {import("./RuleSetCompiler").RuleConditionFunction} RuleConditionFunction */
 
class ObjectMatcherRulePlugin {
    /**
     * @param {string} ruleProperty the rule property
     * @param {string=} dataProperty the data property
     * @param {RuleConditionFunction=} additionalConditionFunction need to check
     */
    constructor(ruleProperty, dataProperty, additionalConditionFunction) {
        this.ruleProperty = ruleProperty;
        this.dataProperty = dataProperty || ruleProperty;
        this.additionalConditionFunction = additionalConditionFunction;
    }
 
    /**
     * @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 =
                        /** @type {Record<string, any>} */
                        (rule[/** @type {keyof RuleSetRule} */ (ruleProperty)]);
                    for (const property of Object.keys(value)) {
                        const nestedDataProperties = property.split(".");
                        const condition = ruleSetCompiler.compileCondition(
                            `${path}.${ruleProperty}.${property}`,
                            value[property]
                        );
                        if (this.additionalConditionFunction) {
                            result.conditions.push({
                                property: [dataProperty],
                                matchWhenEmpty: condition.matchWhenEmpty,
                                fn: this.additionalConditionFunction
                            });
                        }
                        result.conditions.push({
                            property: [dataProperty, ...nestedDataProperties],
                            matchWhenEmpty: condition.matchWhenEmpty,
                            fn: condition.fn
                        });
                    }
                }
            }
        );
    }
}
 
module.exports = ObjectMatcherRulePlugin;