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fix(browser-repl): keep operation in progress COMPASS-8576 (#2284)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| /* eslint-disable no-console */ | ||
| 'use strict'; | ||
| const fs = require('fs'); | ||
| const path = require('path'); | ||
| const child_process = require('child_process'); | ||
| const { debounce } = require('lodash'); | ||
|
|
||
| if (!process.env.COMPASS_HOME) { | ||
| throw new Error('Missing required environment variable $COMPASS_HOME.'); | ||
| } | ||
|
|
||
| const packageDir = path.resolve(__dirname, '..'); | ||
| const srcDir = path.resolve(__dirname, '..', 'src'); | ||
| const libDir = path.resolve(__dirname, '..', 'lib'); | ||
|
|
||
| const destDir = path.dirname( | ||
| child_process.execFileSync( | ||
| 'node', | ||
| ['-p', "require.resolve('@mongosh/browser-repl')"], | ||
| { cwd: process.env.COMPASS_HOME, encoding: 'utf-8' } | ||
| ) | ||
| ); | ||
|
|
||
| console.log({ packageDir, srcDir, libDir, destDir }); | ||
|
|
||
| const compileAndCopy = debounce( | ||
| function () { | ||
| try { | ||
| child_process.execFileSync('npm', ['run', 'compile'], { | ||
| cwd: packageDir, | ||
| encoding: 'utf-8', | ||
| }); | ||
| } catch (err) { | ||
| if (err.code) { | ||
| // Spawning child process failed | ||
| console.error(err.code); | ||
| } else { | ||
| // Child was spawned but exited with non-zero exit code | ||
| // Error contains any stdout and stderr from the child | ||
| const { stdout, stderr } = err; | ||
|
|
||
| console.log(stdout); | ||
| console.error(stderr); | ||
| } | ||
| } | ||
| fs.cpSync(libDir, destDir, { recursive: true }); | ||
| console.log('done.'); | ||
| }, | ||
| 1_000, | ||
| { | ||
| leading: true, | ||
| trailing: true, | ||
| } | ||
| ); | ||
|
|
||
| const srcWatcher = fs.watch( | ||
| srcDir, | ||
| { recursive: true }, | ||
| function (eventType, filename) { | ||
| console.log(eventType, filename); | ||
| compileAndCopy(); | ||
| } | ||
| ); | ||
|
|
||
| function cleanup() { | ||
| srcWatcher.close(); | ||
| } | ||
|
|
||
| for (const evt of ['SIGINT', 'SIGTERM']) { | ||
| process.on(evt, cleanup); | ||
| } | ||
|
|
||
| // do an initial copy on startup | ||
| compileAndCopy(); |
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