mirror of
https://github.com/n8n-io/n8n.git
synced 2024-09-26 09:47:34 -07:00
115 lines
3.3 KiB
TypeScript
115 lines
3.3 KiB
TypeScript
import { ChildProcess, spawn } from 'child_process';
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const copyfiles = require('copyfiles');
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import {
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readFile as fsReadFile,
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write as fsWrite,
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} from 'fs';
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import { join } from 'path';
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import { file } from 'tmp-promise';
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import { promisify } from 'util';
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const fsReadFileAsync = promisify(fsReadFile);
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const fsWriteAsync = promisify(fsWrite);
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import { IBuildOptions } from '.';
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import {
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UserSettings,
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} from 'n8n-core';
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/**
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* Create a custom tsconfig file as tsc currently has no way to define a base
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* directory:
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* https://github.com/Microsoft/TypeScript/issues/25430
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*
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* @export
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* @returns
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*/
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export async function createCustomTsconfig () {
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// Get path to simple tsconfig file which should be used for build
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const tsconfigPath = join(__dirname, '../../src/tsconfig-build.json');
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// Read the tsconfi file
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const tsConfigString = await fsReadFileAsync(tsconfigPath, { encoding: 'utf8'}) as string;
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const tsConfig = JSON.parse(tsConfigString);
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// Set absolute include paths
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const newIncludeFiles = [];
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for (const includeFile of tsConfig.include) {
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newIncludeFiles.push(join(process.cwd(), includeFile));
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}
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tsConfig.include = newIncludeFiles;
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// Write new custom tsconfig file
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const { fd, path, cleanup } = await file({ dir: process.cwd() });
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await fsWriteAsync(fd, Buffer.from(JSON.stringify(tsConfig, null, 2), 'utf8'));
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return {
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path,
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cleanup,
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};
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}
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/**
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* Builds and copies credentials and nodes
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*
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* @export
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* @param {IBuildOptions} [options] Options to overwrite default behaviour
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* @returns {Promise<string>}
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*/
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export async function buildFiles (options?: IBuildOptions): Promise<string> {
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options = options || {};
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// Get the path of the TypeScript cli of this project
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const tscPath = join(__dirname, '../../node_modules/typescript/bin/tsc');
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const tsconfigData = await createCustomTsconfig();
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const outputDirectory = options.destinationFolder || UserSettings.getUserN8nFolderCustomExtensionPath();
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// Supply a node base path so that it finds n8n-core and n8n-workflow
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const nodeModulesPath = join(__dirname, '../../node_modules/');
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let buildCommand = `${tscPath} --p ${tsconfigData.path} --outDir ${outputDirectory} --rootDir ${process.cwd()} --baseUrl ${nodeModulesPath}`;
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if (options.watch === true) {
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buildCommand += ' --watch';
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}
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let buildProcess: ChildProcess;
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try {
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buildProcess = spawn('node', buildCommand.split(' '), { windowsVerbatimArguments: true, cwd: process.cwd() });
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// Forward the output of the child process to the main one
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// that the user can see what is happening
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buildProcess.stdout.pipe(process.stdout);
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buildProcess.stderr.pipe(process.stderr);
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// Make sure that the child process gets also always terminated
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// when the main process does
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process.on('exit', () => {
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buildProcess.kill();
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});
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} catch (error) {
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let errorMessage = error.message;
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if (error.stdout !== undefined) {
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errorMessage = `${errorMessage}\nGot following output:\n${error.stdout}`;
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}
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// Remove the tmp tsconfig file
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tsconfigData.cleanup();
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throw new Error(errorMessage);
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}
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return new Promise((resolve, reject) => {
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buildProcess.on('exit', code => {
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// Remove the tmp tsconfig file
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tsconfigData.cleanup();
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copyfiles([join(process.cwd(), './*.png'), outputDirectory], { up: true }, () => resolve(outputDirectory));
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});
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});
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}
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