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feat: reuse circular map #1594

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6 changes: 5 additions & 1 deletion factory/parser.ts
Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,7 @@ import { UnknownTypeNodeParser } from "../src/NodeParser/UnknownTypeNodeParser";
import { VoidTypeNodeParser } from "../src/NodeParser/VoidTypeNodeParser";
import { SubNodeParser } from "../src/SubNodeParser";
import { TopRefNodeParser } from "../src/TopRefNodeParser";
import { BaseType } from "../src/Type/BaseType";

export type ParserAugmentor = (parser: MutableParser) => void;

Expand All @@ -83,8 +84,11 @@ export function createParser(program: ts.Program, config: Config, augmentor?: Pa
return nodeParser;
}
}

const circular: Map<string, BaseType> = new Map();

function withCircular(nodeParser: SubNodeParser): SubNodeParser {
return new CircularReferenceNodeParser(nodeParser);
return new CircularReferenceNodeParser(nodeParser, circular);
}

if (augmentor) {
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7 changes: 4 additions & 3 deletions src/CircularReferenceNodeParser.ts
Original file line number Diff line number Diff line change
Expand Up @@ -6,9 +6,10 @@ import { ReferenceType } from "./Type/ReferenceType";
import { getKey } from "./Utils/nodeKey";

export class CircularReferenceNodeParser implements SubNodeParser {
protected circular: Map<string, BaseType> = new Map();

public constructor(protected childNodeParser: SubNodeParser) {}
public constructor(
protected childNodeParser: SubNodeParser,
protected circular: Map<string, BaseType> = new Map()
) {}

public supportsNode(node: ts.Node): boolean {
return this.childNodeParser.supportsNode(node);
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