openapi-typescript-codegen/test/index.js

const path = require('path');
const ts = require('typescript');
const OpenAPI = require('../dist');

function compile(dir) {
    const config = {
        compilerOptions: {
            target: 'esnext',
            module: 'commonjs',
            moduleResolution: 'node',
        },
        include: ['./index.ts'],
    };
    const configFile = ts.parseConfigFileTextToJson('tsconfig.json', JSON.stringify(config));
    const configFileResult = ts.parseJsonConfigFileContent(configFile.config, ts.sys, path.resolve(process.cwd(), dir), undefined, 'tsconfig.json');
    const compilerHost = ts.createCompilerHost(configFileResult.options);
    const compiler = ts.createProgram(configFileResult.fileNames, configFileResult.options, compilerHost);
    compiler.emit();
}

OpenAPI.generate({
    input: './test/mock/v2/spec.json',
    output: './test/result/v2/',
    httpClient: OpenAPI.HttpClient.FETCH,
    useOptions: false,
    useUnionTypes: false,
});

OpenAPI.generate({
    input: './test/mock/v3/spec.json',
    output: './test/result/v3/',
    httpClient: OpenAPI.HttpClient.FETCH,
    useOptions: false,
    useUnionTypes: false,
});

compile('./test/result/v2/');
compile('./test/result/v3/');