@adguard/agtree/dist/generator/comment/comment-rule-generator.js

Tool set for working with adblock filter lists

/*
 * AGTree v4.1.1 (build date: Thu, 23 Apr 2026 09:15:37 GMT)
 * (c) 2026 Adguard Software Ltd.
 * Released under the MIT license
 * https://github.com/AdguardTeam/tsurlfilter/tree/master/packages/agtree#readme
 */
import { CommentRuleType } from '../../nodes/index.js';
import { BaseGenerator } from '../base-generator.js';
import { AgentCommentGenerator } from './agent-comment-generator.js';
import { ConfigCommentGenerator } from './config-comment-generator.js';
import { HintCommentGenerator } from './hint-comment-generator.js';
import { MetadataCommentGenerator } from './metadata-comment-generator.js';
import { PreProcessorCommentGenerator } from './pre-processor-comment-generator.js';
import { SimpleCommentGenerator } from './simple-comment-generator.js';

/* eslint-disable no-param-reassign */
/**
 * `CommentRuleGenerator` is responsible for generating any comment-like adblock rules.
 */
class CommentRuleGenerator extends BaseGenerator {
    /**
     * Converts a comment rule node to a string.
     *
     * @param node Comment rule node.
     *
     * @returns Raw string.
     */
    static generate(node) {
        switch (node.type) {
            case CommentRuleType.AgentCommentRule:
                return AgentCommentGenerator.generate(node);
            case CommentRuleType.HintCommentRule:
                return HintCommentGenerator.generate(node);
            case CommentRuleType.PreProcessorCommentRule:
                return PreProcessorCommentGenerator.generate(node);
            case CommentRuleType.MetadataCommentRule:
                return MetadataCommentGenerator.generate(node);
            case CommentRuleType.ConfigCommentRule:
                return ConfigCommentGenerator.generate(node);
            case CommentRuleType.CommentRule:
                return SimpleCommentGenerator.generate(node);
            default:
                throw new Error('Unknown comment rule type');
        }
    }
}

export { CommentRuleGenerator };