import * as ts from 'typescript';

const data = ts.createModuleDeclaration(
    undefined,
    [ts.createModifier(ts.SyntaxKind.DeclareKeyword)],
    ts.createIdentifier("Components"),
    ts.createModuleBlock([ts.createModuleDeclaration(
        undefined,
        undefined,
        ts.createIdentifier("Schemas"),
        ts.createModuleBlock([ts.createInterfaceDeclaration(
            undefined,
            [ts.createModifier(ts.SyntaxKind.ExportKeyword)],
            ts.createIdentifier("Object"),
            undefined,
            undefined,
            [
                ts.createPropertySignature(
                    undefined,
                    ts.createIdentifier("id"),
                    ts.createToken(ts.SyntaxKind.QuestionToken),
                    ts.createKeywordTypeNode(ts.SyntaxKind.StringKeyword),
                    undefined
                ),
                ts.createPropertySignature(
                    undefined,
                    ts.createIdentifier("enum"),
                    undefined,
                    ts.createUnionTypeNode([
                        ts.createLiteralTypeNode(ts.createStringLiteral("a")),
                        ts.createLiteralTypeNode(ts.createNumericLiteral("1")),
                        ts.createLiteralTypeNode(ts.createTrue())
                    ]),
                    undefined
                )
            ]
        )]),
        ts.NodeFlags.Namespace
    )]),
    ts.NodeFlags.Namespace
);

function convertToSingleQuote(node: ts.Node): void {
    if (ts.isStringLiteral(node)) {
        (node as any).singleQuote = true;
    }
}

function walk(node: ts.Node, cbArray: Array<(node: ts.Node) => void>): void {
    ts.forEachChild(node, (n) => {
        for (const cb of cbArray) {
            cb(n);
        }
        walk(n, cbArray);
    });
}
walk(data, [convertToSingleQuote]);

const resultFile = ts.createSourceFile('output.d.ts', '', ts.ScriptTarget.Latest, false, ts.ScriptKind.TS);
const printer = ts.createPrinter({
    newLine: ts.NewLineKind.LineFeed
});
const result = printer.printNode(
    ts.EmitHint.Unspecified,
    data,
    resultFile
);

console.log(result);