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authorMinteck <contact@minteck.org>2023-01-10 14:54:04 +0100
committerMinteck <contact@minteck.org>2023-01-10 14:54:04 +0100
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Update - This is an automated commit
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+import inspect from "../../jsutils/inspect.mjs";
+import { GraphQLError } from "../../error/GraphQLError.mjs";
+import { getNamedType, isLeafType } from "../../type/definition.mjs";
+
+/**
+ * Scalar leafs
+ *
+ * A GraphQL document is valid only if all leaf fields (fields without
+ * sub selections) are of scalar or enum types.
+ */
+export function ScalarLeafsRule(context) {
+ return {
+ Field: function Field(node) {
+ var type = context.getType();
+ var selectionSet = node.selectionSet;
+
+ if (type) {
+ if (isLeafType(getNamedType(type))) {
+ if (selectionSet) {
+ var fieldName = node.name.value;
+ var typeStr = inspect(type);
+ context.reportError(new GraphQLError("Field \"".concat(fieldName, "\" must not have a selection since type \"").concat(typeStr, "\" has no subfields."), selectionSet));
+ }
+ } else if (!selectionSet) {
+ var _fieldName = node.name.value;
+
+ var _typeStr = inspect(type);
+
+ context.reportError(new GraphQLError("Field \"".concat(_fieldName, "\" of type \"").concat(_typeStr, "\" must have a selection of subfields. Did you mean \"").concat(_fieldName, " { ... }\"?"), node));
+ }
+ }
+ }
+ };
+}