ts-json-schema-generator/src/NodeParser/ArrayNodeParser.ts

Generate JSON schema from your Typescript sources

import ts from "typescript";
import type { Context, NodeParser } from "../NodeParser.js";
import type { SubNodeParser } from "../SubNodeParser.js";
import { AnyType } from "../Type/AnyType.js";
import { ArrayType } from "../Type/ArrayType.js";
import type { BaseType } from "../Type/BaseType.js";

export class ArrayNodeParser implements SubNodeParser {
    public constructor(protected childNodeParser: NodeParser) {}

    public supportsNode(node: ts.ArrayTypeNode): boolean {
        return node.kind === ts.SyntaxKind.ArrayType;
    }

    public createType(node: ts.ArrayTypeNode, context: Context): BaseType {
        const type = this.childNodeParser.createType(node.elementType, context);
        // Generics without `extends` or `defaults` cannot be resolved, so we fallback to `any`
        return new ArrayType(type ?? new AnyType());
    }
}