node: remove split2 dependency

CHANGELOG.md

@@ -7,6 +7,7 @@
 - ignore ratelimits for bots #3439
 - remove `msgs_mdns` references to deleted messages during housekeeping #3387
 - format message lines starting with `>` as quotes #3434
+- node: remove `split2` dependency
 
 ### Fixes
 - set a default error if NDN does not provide an error

node/scripts/generate-constants.js

@@ -1,31 +1,27 @@
 #!/usr/bin/env node
-
+const fs = require('fs/promises')
-const fs = require('fs')
 const path = require('path')
-const split = require('split2')
 
 const data = []
 const regex = /^#define\s+(\w+)\s+(\w+)/i
-const header = path.resolve(
+const header = path.resolve(__dirname, '../../deltachat-ffi/deltachat.h')
-  __dirname,
-  '../../deltachat-ffi/deltachat.h'
-)
 
+;(async () => {
   console.log('Generating constants...')
-
+  const header_data = await fs.readFile(header, 'utf-8')
-fs.createReadStream(header)
+  for (const line of header_data.split(/\r?\n/g)) {
-  .pipe(split())
-  .on('data', (line) => {
     const match = regex.exec(line)
     if (match) {
       const key = match[1]
       const value = parseInt(match[2])
-      if (isNaN(value)) return
+      if (isNaN(value)) continue
 
       data.push({ key, value })
     }
-  })
+  }
-  .on('end', () => {
+
+  delete header_data
+
   const constants = data
     .filter(
       ({ key }) => key.toUpperCase()[0] === key[0] // check if define name is uppercase
@@ -55,19 +51,19 @@ fs.createReadStream(header)
     .join(',\n')
 
   // backwards compat
-    fs.writeFileSync(
+  await fs.writeFile(
     path.resolve(__dirname, '../constants.js'),
     `// Generated!\n\nmodule.exports = {\n${constants}\n}\n`
   )
   // backwards compat
-    fs.writeFileSync(
+  await fs.writeFile(
     path.resolve(__dirname, '../events.js'),
     `/* eslint-disable quotes */\n// Generated!\n\nmodule.exports = {\n${events}\n}\n`
   )
 
-    fs.writeFileSync(
+  await fs.writeFile(
     path.resolve(__dirname, '../lib/constants.ts'),
     `// Generated!\n\nexport enum C {\n${constants.replace(/:/g, ' =')},\n}\n
 // Generated!\n\nexport const EventId2EventName: { [key: number]: string } = {\n${events},\n}\n`
   )
-  })
+})()

package.json

@@ -19,7 +19,6 @@
     "prebuildify": "^3.0.0",
     "prebuildify-ci": "^1.0.4",
     "prettier": "^2.0.5",
-    "split2": "^4.1.0",
     "typedoc": "^0.17.0",
     "typescript": "^3.9.10"
   },