fix: parallel generation for multiple sources/targets

Author: mdevils

src/cli/index.ts

@@ -66,41 +66,43 @@ yargs(hideBin(process.argv))
         () => configurationFileArgument,
         async (argv) => {
             const config: ApiTypescriptGeneratorConfig = await loadConfig(argv.config);
-            for (const generateConfig of config.generates) {
-                switch (generateConfig.type) {
-                    case 'openapiClient':
-                        const document = await loadOpenApiDocument(generateConfig.document);
-                        const files = await postprocessFiles({
-                            files: (
-                                await openapiToTypescriptClient({
-                                    document,
-                                    generateConfig
-                                })
-                            ).files,
-                            config: generateConfig.postprocess,
-                            outputDirPath: generateConfig.outputDirPath
-                        });
-                        const allDirectories = new Set<string>();
-                        for (const {filename} of files) {
-                            allDirectories.add(path.dirname(path.resolve(generateConfig.outputDirPath, filename)));
-                        }
-                        for (const directoryPath of allDirectories) {
-                            try {
-                                await fs.promises.mkdir(directoryPath, {recursive: true});
-                            } catch (e) {
-                                throw new Error(
-                                    `Could not create directory "${directoryPath}": ${e instanceof Error ? e.message : e}.`
-                                );
+            await Promise.all(
+                config.generates.map(async (generateConfig) => {
+                    switch (generateConfig.type) {
+                        case 'openapiClient':
+                            const document = await loadOpenApiDocument(generateConfig.document);
+                            const files = await postprocessFiles({
+                                files: (
+                                    await openapiToTypescriptClient({
+                                        document,
+                                        generateConfig
+                                    })
+                                ).files,
+                                config: generateConfig.postprocess,
+                                outputDirPath: generateConfig.outputDirPath
+                            });
+                            const allDirectories = new Set<string>();
+                            for (const {filename} of files) {
+                                allDirectories.add(path.dirname(path.resolve(generateConfig.outputDirPath, filename)));
+                            }
+                            for (const directoryPath of allDirectories) {
+                                try {
+                                    await fs.promises.mkdir(directoryPath, {recursive: true});
+                                } catch (e) {
+                                    throw new Error(
+                                        `Could not create directory "${directoryPath}": ${e instanceof Error ? e.message : e}.`
+                                    );
+                                }
                             }
-                        }
-                        await saveGenerationResult({
-                            files,
-                            outputDirPath: generateConfig.outputDirPath,
-                            cleanupDirectories: getCleanupDirectories(generateConfig)
-                        });
-                        break;
-                }
-            }
+                            await saveGenerationResult({
+                                files,
+                                outputDirPath: generateConfig.outputDirPath,
+                                cleanupDirectories: getCleanupDirectories(generateConfig)
+                            });
+                            break;
+                    }
+                })
+            );
         }
     )
     .command(
@@ -109,32 +111,34 @@ yargs(hideBin(process.argv))
         () => configurationFileArgument,
         async (argv) => {
             const config: ApiTypescriptGeneratorConfig = await loadConfig(argv.config);
-            for (const generateConfig of config.generates) {
-                switch (generateConfig.type) {
-                    case 'openapiClient':
-                        if (
-                            !(await compareGenerationResult({
-                                files: await postprocessFiles({
-                                    files: (
-                                        await openapiToTypescriptClient({
-                                            document: await loadOpenApiDocument(generateConfig.document),
-                                            generateConfig
-                                        })
-                                    ).files,
-                                    config: generateConfig.postprocess,
-                                    outputDirPath: generateConfig.outputDirPath
-                                }),
-                                outputDirPath: generateConfig.outputDirPath,
-                                cleanupDirectories: getCleanupDirectories(generateConfig)
-                            }))
-                        ) {
-                            console.error(
-                                'Generated files are not up to date. Please run "api-typescript-generator generate" to update them.'
-                            );
-                            process.exit(1);
-                        }
-                }
-            }
+            await Promise.all(
+                config.generates.map(async (generateConfig) => {
+                    switch (generateConfig.type) {
+                        case 'openapiClient':
+                            if (
+                                !(await compareGenerationResult({
+                                    files: await postprocessFiles({
+                                        files: (
+                                            await openapiToTypescriptClient({
+                                                document: await loadOpenApiDocument(generateConfig.document),
+                                                generateConfig
+                                            })
+                                        ).files,
+                                        config: generateConfig.postprocess,
+                                        outputDirPath: generateConfig.outputDirPath
+                                    }),
+                                    outputDirPath: generateConfig.outputDirPath,
+                                    cleanupDirectories: getCleanupDirectories(generateConfig)
+                                }))
+                            ) {
+                                console.error(
+                                    'Generated files are not up to date. Please run "api-typescript-generator generate" to update them.'
+                                );
+                                process.exit(1);
+                            }
+                    }
+                })
+            );
         }
     )
     .demandCommand(1)