planning

node_modules/@mapbox/mapbox-gl-style-spec/error/validation_error.js

@@ -0,0 +1,18 @@
+// @flow
+
+// Note: Do not inherit from Error. It breaks when transpiling to ES5.
+
+export default class ValidationError {
+    message: string;
+    identifier: ?string;
+    line: ?number;
+
+    constructor(key: ?string, value: ?{ __line__: number }, message: string, identifier: ?string) {
+        this.message = (key ? `${key}: ` : '') + message;
+        if (identifier) this.identifier = identifier;
+
+        if (value !== null && value !== undefined && value.__line__) {
+            this.line = value.__line__;
+        }
+    }
+}