blindly copying deltachat-node to core repository

node/scripts/generate-constants.js

@@ -0,0 +1,73 @@
+#!/usr/bin/env node
+
+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(
+  __dirname,
+  '../deltachat-core-rust/deltachat-ffi/deltachat.h'
+)
+
+console.log('Generating constants...')
+
+fs.createReadStream(header)
+  .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
+
+      data.push({ key, value })
+    }
+  })
+  .on('end', () => {
+    const constants = data
+      .filter(
+        ({ key }) => key.toUpperCase()[0] === key[0] // check if define name is uppercase
+      )
+      .sort((lhs, rhs) => {
+        if (lhs.key < rhs.key) return -1
+        else if (lhs.key > rhs.key) return 1
+        return 0
+      })
+      .map((row) => {
+        return `  ${row.key}: ${row.value}`
+      })
+      .join(',\n')
+
+    const events = data
+      .sort((lhs, rhs) => {
+        if (lhs.value < rhs.value) return -1
+        else if (lhs.value > rhs.value) return 1
+        return 0
+      })
+      .filter((i) => {
+        return i.key.startsWith('DC_EVENT_')
+      })
+      .map((i) => {
+        return `  ${i.value}: '${i.key}'`
+      })
+      .join(',\n')
+
+    // backwards compat
+    fs.writeFileSync(
+      path.resolve(__dirname, '../constants.js'),
+      `// Generated!\n\nmodule.exports = {\n${constants}\n}\n`
+    )
+    // backwards compat
+    fs.writeFileSync(
+      path.resolve(__dirname, '../events.js'),
+      `/* eslint-disable quotes */\n// Generated!\n\nmodule.exports = {\n${events}\n}\n`
+    )
+
+    fs.writeFileSync(
+      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`
+    )
+  })