build(node): migrate from CommonJS to ESM modules

node/scripts/common.js

@@ -1,4 +1,4 @@
-const spawnSync = require('child_process').spawnSync
+import { spawnSync } from 'child_process'
 
 const verbose = isVerbose()
 
@@ -23,4 +23,4 @@ function isVerbose () {
   return loglevel === 'verbose' || process.env.CI === 'true'
 }
 
-module.exports = { spawn, log, isVerbose, verbose }
+export { spawn, log, isVerbose, verbose }

node/scripts/generate-constants.js

@@ -1,14 +1,16 @@
 #!/usr/bin/env node
-const fs = require('fs')
-const path = require('path')
+import fs from 'fs'
+import path from 'path'
+import * as url from 'url'
 
 const data = []
-const header = path.resolve(__dirname, '../../deltachat-ffi/deltachat.h')
+const header = path.resolve(url.fileURLToPath(new URL('.', import.meta.url)), '../../deltachat-ffi/deltachat.h')
 
 console.log('Generating constants...')
 
 const header_data = fs.readFileSync(header, 'UTF-8')
 const regex = /^#define\s+(\w+)\s+(\w+)/gm
+var match
 while (null != (match = regex.exec(header_data))) {
   const key = match[1]
   const value = parseInt(match[2])
@@ -17,8 +19,6 @@ while (null != (match = regex.exec(header_data))) {
   }
 }
 
-delete header_data
-
 const constants = data
   .filter(
     ({ key }) => key.toUpperCase()[0] === key[0] // check if define name is uppercase
@@ -49,17 +49,17 @@ const events = data
 
 // backwards compat
 fs.writeFileSync(
-  path.resolve(__dirname, '../constants.js'),
+  path.resolve(url.fileURLToPath(new URL('.', import.meta.url)), '../constants.js'),
   `// Generated!\n\nmodule.exports = {\n${constants}\n}\n`
 )
 // backwards compat
 fs.writeFileSync(
-  path.resolve(__dirname, '../events.js'),
+  path.resolve(url.fileURLToPath(new URL('.', import.meta.url)), '../events.js'),
   `/* eslint-disable quotes */\n// Generated!\n\nmodule.exports = {\n${events}\n}\n`
 )
 
 fs.writeFileSync(
-  path.resolve(__dirname, '../lib/constants.ts'),
+  path.resolve(url.fileURLToPath(new URL('.', import.meta.url)), '../lib/constants.js'),
   `// Generated!\n\nexport enum C {\n${constants.replace(/:/g, ' =')},\n}\n
 // Generated!\n\nexport const EventId2EventName: { [key: number]: string } = {\n${events},\n}\n`
 )

node/scripts/install.js

@@ -1,6 +1,7 @@
-const {execSync} = require('child_process')
-const {existsSync} = require('fs')
-const {join} = require('path')
+import {execSync} from 'child_process'
+import {existsSync} from 'fs'
+import {join} from 'path'
+import * as url from 'url'
 
 const run = (cmd) => {
   console.log('[i] running `' + cmd + '`')
@@ -16,7 +17,7 @@ if (process.env.USE_SYSTEM_LIBDELTACHAT === 'true') {
   run('npm run install:prebuilds')
 }
 
-if (!existsSync(join(__dirname, '..', 'dist'))) {
+if (!existsSync(join(url.fileURLToPath(new URL('.', import.meta.url)), '..', 'dist'))) {
   console.log('[i] Didn\'t find already built typescript bindings. Trying to transpile them. If this fail, make sure typescript is installed ;)')
   run('npm run build:bindings:ts')
 }

node/scripts/postLinksToDetails.js

@@ -1,4 +1,5 @@
-const { readFileSync } = require('fs')
+import { readFileSync } from 'fs'
+import { request } from 'https'
 
 const sha = JSON.parse(
   readFileSync(process.env['GITHUB_EVENT_PATH'], 'utf8')
@@ -21,8 +22,6 @@ const STATUS_DATA = {
   target_url: base_url + file_url,
 }
 
-const http = require('https')
-
 const options = {
   method: 'POST',
   headers: {
@@ -32,7 +31,7 @@ const options = {
   },
 }
 
-const req = http.request(GITHUB_API_URL, options, function(res) {
+const req = request(GITHUB_API_URL, options, function (res) {
   var chunks = []
   res.on('data', function(chunk) {
     chunks.push(chunk)

node/scripts/postinstall.js

@@ -1,5 +1,6 @@
-const fs = require('fs')
-const path = require('path')
+import fs from 'fs'
+import path from 'path'
+import * as url from 'url'
 
 if (process.platform !== 'win32') {
   console.log('postinstall: not windows, so skipping!')
@@ -7,7 +8,7 @@ if (process.platform !== 'win32') {
 }
 
 const from = path.resolve(
-  __dirname,
+  url.fileURLToPath(new URL('.', import.meta.url)),
   '..',
   '..',
   'target',
@@ -19,7 +20,7 @@ const getDestination = () => {
   const argv = process.argv
   if (argv.length === 3 && argv[2] === '--prebuild') {
     return path.resolve(
-      __dirname,
+      url.fileURLToPath(new URL('.', import.meta.url)),
       '..',
       'prebuilds',
       'win32-x64',
@@ -27,7 +28,7 @@ const getDestination = () => {
     )
   } else {
     return path.resolve(
-      __dirname,
+      url.fileURLToPath(new URL('.', import.meta.url)),
       '..',
       'build',
       'Release',

node/scripts/rebuild-core.js

@@ -1,7 +1,8 @@
-const path = require('path')
-const { spawn } = require('./common')
+import path from 'path'
+import { spawn } from './common.js'
+import * as url from 'url'
 const opts = {
-  cwd: path.resolve(__dirname, '../..'),
+  cwd: path.resolve(url.fileURLToPath(new URL('.', import.meta.url)), '../..'),
   stdio: 'inherit'
 }