decaffeinate: Rename CommandRunner.coffee and 25 other files from .coffee to .js

app/coffee/DraftModeManager.js

@@ -0,0 +1,24 @@
+fs = require "fs"
+logger = require "logger-sharelatex"
+
+module.exports = DraftModeManager =
+	injectDraftMode: (filename, callback = (error) ->) ->
+		fs.readFile filename, "utf8", (error, content) ->
+			return callback(error) if error?
+			# avoid adding draft mode more than once
+			if content?.indexOf("\\documentclass\[draft") >= 0
+				return callback()
+			modified_content = DraftModeManager._injectDraftOption content
+			logger.log {
+				content: content.slice(0,1024), # \documentclass is normally v near the top
+				modified_content: modified_content.slice(0,1024),
+				filename
+			}, "injected draft class"
+			fs.writeFile filename, modified_content, callback
+	
+	_injectDraftOption: (content) ->
+		content
+			# With existing options (must be first, otherwise both are applied)
+			.replace(/\\documentclass\[/g, "\\documentclass[draft,")
+			# Without existing options
+			.replace(/\\documentclass\{/g, "\\documentclass[draft]{")