planning

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

@@ -0,0 +1,34 @@
+// @flow
+
+import ValidationError from '../error/validation_error.js';
+import getType from '../util/get_type.js';
+import validate from './validate.js';
+
+import type {ValidationOptions} from './validate.js';
+
+export default function validateProjection(options: ValidationOptions): Array<ValidationError> {
+    const projection = options.value;
+    const styleSpec = options.styleSpec;
+    const projectionSpec = styleSpec.projection;
+    const style = options.style;
+
+    let errors = [];
+
+    const rootType = getType(projection);
+
+    if (rootType === 'object') {
+        for (const key in projection) {
+            errors = errors.concat(validate({
+                key,
+                value: projection[key],
+                valueSpec: projectionSpec[key],
+                style,
+                styleSpec
+            }));
+        }
+    } else if (rootType !== 'string') {
+        errors = errors.concat([new ValidationError('projection', projection, `object or string expected, ${rootType} found`)]);
+    }
+
+    return errors;
+}