mirror of https://github.com/jkjoy/sunpeiwen.git
53 lines
1.4 KiB
JavaScript
53 lines
1.4 KiB
JavaScript
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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/** @typedef {import("./RuleSetCompiler")} RuleSetCompiler */
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/** @typedef {import("./RuleSetCompiler").RuleCondition} RuleCondition */
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class BasicMatcherRulePlugin {
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/**
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* @param {string} ruleProperty the rule property
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* @param {string=} dataProperty the data property
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* @param {boolean=} invert if true, inverts the condition
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*/
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constructor(ruleProperty, dataProperty, invert) {
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this.ruleProperty = ruleProperty;
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this.dataProperty = dataProperty || ruleProperty;
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this.invert = invert || false;
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}
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/**
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* @param {RuleSetCompiler} ruleSetCompiler the rule set compiler
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* @returns {void}
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*/
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apply(ruleSetCompiler) {
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ruleSetCompiler.hooks.rule.tap(
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"BasicMatcherRulePlugin",
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(path, rule, unhandledProperties, result) => {
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if (unhandledProperties.has(this.ruleProperty)) {
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unhandledProperties.delete(this.ruleProperty);
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const value = rule[this.ruleProperty];
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const condition = ruleSetCompiler.compileCondition(
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`${path}.${this.ruleProperty}`,
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value
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);
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const fn = condition.fn;
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result.conditions.push({
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property: this.dataProperty,
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matchWhenEmpty: this.invert
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? !condition.matchWhenEmpty
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: condition.matchWhenEmpty,
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fn: this.invert ? v => !fn(v) : fn
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});
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}
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}
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);
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}
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}
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module.exports = BasicMatcherRulePlugin;
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