planning

node_modules/@mapbox/mapbox-gl-style-spec/validate/validate_glyphs_url.js

@@ -0,0 +1,24 @@
+// @flow
+
+import ValidationError from '../error/validation_error.js';
+import validateString from './validate_string.js';
+
+import type {ValidationOptions} from './validate.js';
+
+export default function(options: ValidationOptions): Array<ValidationError> {
+    const value = options.value;
+    const key = options.key;
+
+    const errors = validateString(options);
+    if (errors.length) return errors;
+
+    if (value.indexOf('{fontstack}') === -1) {
+        errors.push(new ValidationError(key, value, '"glyphs" url must include a "{fontstack}" token'));
+    }
+
+    if (value.indexOf('{range}') === -1) {
+        errors.push(new ValidationError(key, value, '"glyphs" url must include a "{range}" token'));
+    }
+
+    return errors;
+}