mirror of
https://github.com/n8n-io/n8n.git
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116 lines
3.7 KiB
TypeScript
116 lines
3.7 KiB
TypeScript
/* eslint-disable @typescript-eslint/no-unsafe-argument */
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/* eslint-disable @typescript-eslint/no-unsafe-member-access */
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import glob from 'fast-glob';
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import { spawn } from 'child_process';
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import { copyFile, mkdir, readFile, writeFile } from 'fs/promises';
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import { join, dirname, resolve as resolvePath } from 'path';
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import { file as tmpFile } from 'tmp-promise';
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import { jsonParse } from 'n8n-workflow';
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import { UserSettings } from 'n8n-core';
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import type { IBuildOptions } from './Interfaces';
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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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// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
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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(require.resolve('n8n-node-dev/src')), 'tsconfig-build.json');
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// Read the tsconfig file
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const tsConfigString = await readFile(tsconfigPath, { encoding: 'utf8' });
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// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
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const tsConfig = jsonParse<{ include: string[] }>(tsConfigString);
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// Set absolute include paths
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const newIncludeFiles = [];
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// eslint-disable-next-line no-restricted-syntax
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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 { path, cleanup } = await tmpFile();
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await writeFile(path, JSON.stringify(tsConfig, null, 2));
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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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* @param {IBuildOptions} [options] Options to overwrite default behaviour
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*/
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export async function buildFiles({
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destinationFolder = UserSettings.getUserN8nFolderCustomExtensionPath(),
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watch,
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}: IBuildOptions): Promise<string> {
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const tscPath = join(dirname(require.resolve('typescript')), 'tsc');
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const tsconfigData = await createCustomTsconfig();
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await Promise.all(
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['*.svg', '*.png', '*.node.json'].map(async (filenamePattern) => {
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const files = await glob(`**/${filenamePattern}`);
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for (const file of files) {
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const src = resolvePath(process.cwd(), file);
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const dest = resolvePath(destinationFolder, file);
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await mkdir(dirname(dest), { recursive: true });
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await copyFile(src, dest);
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}
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}),
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);
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// Supply a node base path so that it finds n8n-core and n8n-workflow
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const nodeModulesPath = join(__dirname, '../../node_modules/');
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let buildCommand = `${tscPath} --p ${
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tsconfigData.path
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} --outDir ${destinationFolder} --rootDir ${process.cwd()} --baseUrl ${nodeModulesPath}`;
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if (watch) {
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buildCommand += ' --watch';
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}
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try {
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const buildProcess = spawn('node', buildCommand.split(' '), {
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windowsVerbatimArguments: true,
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cwd: process.cwd(),
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});
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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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// @ts-ignore
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buildProcess.stdout.pipe(process.stdout);
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// @ts-ignore
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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', () => buildProcess.kill());
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await new Promise<void>((resolve) => {
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buildProcess.on('exit', resolve);
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});
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} catch (error) {
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// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
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let errorMessage = error.message;
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if (error.stdout !== undefined) {
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// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
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errorMessage = `${errorMessage}\nGot following output:\n${error.stdout}`;
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}
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throw new Error(errorMessage);
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} finally {
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// Remove the tmp tsconfig file
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await tsconfigData.cleanup();
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}
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return destinationFolder;
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}
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