1 files changed, 64 insertions, 0 deletions
diff --git a/app/assets/javascripts/ide/lib/common/model.js b/app/assets/javascripts/ide/lib/common/model.js
new file mode 100644
index 00000000000..14d9fe4771e
--- /dev/null
+++ b/app/assets/javascripts/ide/lib/common/model.js
@@ -0,0 +1,64 @@
+/* global monaco */
+import Disposable from './disposable';
+
+export default class Model {
+  constructor(monaco, file) {
+    this.monaco = monaco;
+    this.disposable = new Disposable();
+    this.file = file;
+    this.content = file.content !== '' ? file.content : file.raw;
+
+    this.disposable.add(
+      this.originalModel = this.monaco.editor.createModel(
+        this.file.raw,
+        undefined,
+        new this.monaco.Uri(null, null, `original/${this.file.path}`),
+      ),
+      this.model = this.monaco.editor.createModel(
+        this.content,
+        undefined,
+        new this.monaco.Uri(null, null, this.file.path),
+      ),
+    );
+
+    this.events = new Map();
+  }
+
+  get url() {
+    return this.model.uri.toString();
+  }
+
+  get language() {
+    return this.model.getModeId();
+  }
+
+  get eol() {
+    return this.model.getEOL() === '\n' ? 'LF' : 'CRLF';
+  }
+
+  get path() {
+    return this.file.path;
+  }
+
+  getModel() {
+    return this.model;
+  }
+
+  getOriginalModel() {
+    return this.originalModel;
+  }
+
+  onChange(cb) {
+    this.events.set(
+      this.path,
+      this.disposable.add(
+        this.model.onDidChangeContent(e => cb(this.model, e)),
+      ),
+    );
+  }
+
+  dispose() {
+    this.disposable.dispose();
+    this.events.clear();
+  }
+}