gulp serve undoes changes for app.constant.js #1587

If I fix these errors and then CTRL+C to cancel it then re-serve, the file undoes itself back to it's original state, and it appears to only do that for this file.

[12:48:10] Requiring external module babel-core/register
[12:48:12] Using gulpfile ~/webdev/class/The-Force-Media-Group/gulpfile.babel.js
[12:48:12] Starting 'serve'...
[12:48:12] Starting 'clean:tmp'...
[12:48:12] Starting 'constant'...
[12:48:12] Finished 'constant' after 101 ms
[12:48:12] Finished 'clean:tmp' after 158 ms
[12:48:12] Starting 'lint:scripts'...
[12:48:12] Starting 'lint:scripts:client'...
[12:48:12] Starting 'lint:scripts:server'...
[12:48:12] Starting 'inject'...
[12:48:12] Starting 'inject:js'...
[12:48:12] Starting 'inject:css'...
[12:48:12] Starting 'inject:scss'...
[12:48:12] Starting 'jade'...
[12:48:12] Finished 'jade' after 359 ms
[12:48:13] gulp-inject Nothing to inject into index.html.

client/app/app.constant.js
line 2 col 3 Missing "use strict" statement.
line 2 col 36 Strings must use singlequote.
line 4 col 22 Strings must use singlequote.
line 5 col 16 Strings must use singlequote.
line 6 col 16 Strings must use singlequote.
line 7 col 15 Strings must use singlequote.
line 8 col 16 Strings must use singlequote.

✖ 1 error
⚠ 6 warnings

[12:48:13] gulp-inject 5 files into app.scss.
[12:48:13] Finished 'inject:css' after 966 ms
[12:48:13] Finished 'inject:scss' after 985 ms
[12:48:13] gulp-inject 24 files into index.html.
[12:48:13] Finished 'inject:js' after 1.32 s
[12:48:13] Finished 'inject' after 1.32 s
[12:48:14] Finished 'lint:scripts:client' after 1.72 s
[12:48:14] Finished 'lint:scripts:server' after 1.7 s
[12:48:14] Finished 'lint:scripts' after 1.74 s
[12:48:14] Starting 'wiredep:client'...
[12:48:14] Finished 'wiredep:client' after 43 ms
[12:48:14] Starting 'transpile:client'...
[12:48:14] Starting 'styles'...
[12:48:15] Finished 'styles' after 976 ms
[12:48:15] Finished 'transpile:client' after 1.33 s
[12:48:15] Starting 'start:server'...
[12:48:15] Finished 'start:server' after 4.81 ms
[12:48:15] Starting 'start:client'...
[nodemon] 1.8.1
[nodemon] to restart at any time, enter rs
[nodemon] watching: /Users/Odinson/webdev/class/The-Force-Media-Group/server/*/
[nodemon] starting node server
Express server listening on 9000, in development mode
[12:48:17] Finished 'start:client' after 1.8 s
[12:48:17] Starting 'watch'...
finished populating users
[12:48:17] Finished 'watch' after 154 ms
[12:48:17] Finished 'serve' after 5.23 s
GET /api/things 200 10.500 ms - -