feat: external editor with aos

permaweb · Sep 15, 2024 · 4205fe2 · 4205fe2
1 parent 13c763b
commit 4205fe2
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Showing 2 changed files with 29 additions and 6 deletions.
diff --git a/src/commands/pad.js b/src/commands/pad.js
@@ -2,9 +2,16 @@ import os from 'node:os'
 import path from 'node:path'
 import { spawn } from 'node:child_process'
 import fs from 'node:fs'
+import crypto from 'node:crypto'
 
 export function pad(pid, callback) {
   const tempFilePath = path.join(os.homedir(), `.pad-${pid}.lua`);
+  let hash = null
+  try {
+    hash = getFileHash(tempFilePath)
+  } catch (e) {
+    hash = ""
+  }
 
   const editor = process.env.EDITOR || (process.platform === 'win32' ? 'notepad' : 'vi');
   const child = spawn(editor, [tempFilePath], {
@@ -13,9 +20,25 @@ export function pad(pid, callback) {
   });
 
   child.on('exit', (exitCode) => {
-    console.log('Exit Code', exitCode)
-    const editedContent = fs.readFileSync(tempFilePath, 'utf8');
-    callback(null, editedContent);
+    //console.log('Exit Code: ', exitCode)
+    if (exitCode == 0) {
+      const editedContent = fs.readFileSync(tempFilePath, 'utf8');
+      if (getFileHash(tempFilePath) !== hash) {
+        callback(null, editedContent);
+      } else {
+        callback(new Error('no changes'))
+      }
+    } else {
+      callback(new Error('exited'))
+    }
   });
 }
 
+
+function getFileHash(filePath) {
+  const fileBuffer = fs.readFileSync(filePath);
+  const hashSum = crypto.createHash('sha256');
+  hashSum.update(fileBuffer);
+  return hashSum.digest('hex');
+}
+
diff --git a/src/index.js b/src/index.js
@@ -361,7 +361,7 @@ if (!argv['watch']) {
           pad(id, async (err, content) => {
             if (!err) {
               // console.log(content)
-              await doEvaluate(content, id, jwk, spinner, rl)
+              await doEvaluate(content, id, jwk, spinner, rl, loadedModules)
             }
             rl.resume();
             rl.prompt(true);
@@ -383,7 +383,7 @@ if (!argv['watch']) {
         if (process.env.DEBUG) console.time(chalk.gray('Elapsed'))
         printLive()
 
-        await doEvaluate(line, id, jwk, spinner, rl)
+        await doEvaluate(line, id, jwk, spinner, rl, loadedModules)
 
         if (process.env.DEBUG) {
           console.timeEnd(chalk.gray('Elapsed'))
@@ -482,7 +482,7 @@ async function handleLoadArgs(jwk, id) {
   }
 }
 
-async function doEvaluate(line, id, jwk, spinner, rl) {
+async function doEvaluate(line, id, jwk, spinner, rl, loadedModules) {
   spinner.start();
   spinner.suffixText = chalk.gray("[Dispatching message...]")