@adguard/agtree
Version:
Tool set for working with adblock filter lists
45 lines (42 loc) • 1.6 kB
JavaScript
/*
* 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 { AdblockSyntax } from '../../utils/adblockers.js';
import { CLOSE_SQUARE_BRACKET, EMPTY, OPEN_SQUARE_BRACKET, DOLLAR_SIGN } from '../../utils/constants.js';
import { BaseGenerator } from '../base-generator.js';
import { DomainListGenerator } from '../misc/domain-list-generator.js';
import { ModifierListGenerator } from '../misc/modifier-list-generator.js';
/**
* Cosmetic rule pattern generator.
*/
class CosmeticRulePatternGenerator extends BaseGenerator {
/**
* Generates the rule pattern from the AST.
*
* @param node Cosmetic rule node.
*
* @returns Raw rule pattern.
*
* @example
* - '##.foo' → ''
* - 'example.com,example.org##.foo' → 'example.com,example.org'
* - '[$path=/foo/bar]example.com##.foo' → '[$path=/foo/bar]example.com'
*/
static generate(node) {
let result = EMPTY;
// AdGuard modifiers (if any)
if (node.syntax === AdblockSyntax.Adg && node.modifiers && node.modifiers.children.length > 0) {
result += OPEN_SQUARE_BRACKET;
result += DOLLAR_SIGN;
result += ModifierListGenerator.generate(node.modifiers);
result += CLOSE_SQUARE_BRACKET;
}
// Domain list (if any)
result += DomainListGenerator.generate(node.domains);
return result;
}
}
export { CosmeticRulePatternGenerator };