summaryrefslogtreecommitdiff
path: root/school/node_modules/graphql/utilities/getOperationAST.mjs
diff options
context:
space:
mode:
Diffstat (limited to 'school/node_modules/graphql/utilities/getOperationAST.mjs')
-rw-r--r--school/node_modules/graphql/utilities/getOperationAST.mjs33
1 files changed, 33 insertions, 0 deletions
diff --git a/school/node_modules/graphql/utilities/getOperationAST.mjs b/school/node_modules/graphql/utilities/getOperationAST.mjs
new file mode 100644
index 0000000..ce72191
--- /dev/null
+++ b/school/node_modules/graphql/utilities/getOperationAST.mjs
@@ -0,0 +1,33 @@
+import { Kind } from "../language/kinds.mjs";
+/**
+ * Returns an operation AST given a document AST and optionally an operation
+ * name. If a name is not provided, an operation is only returned if only one is
+ * provided in the document.
+ */
+
+export function getOperationAST(documentAST, operationName) {
+ var operation = null;
+
+ for (var _i2 = 0, _documentAST$definiti2 = documentAST.definitions; _i2 < _documentAST$definiti2.length; _i2++) {
+ var definition = _documentAST$definiti2[_i2];
+
+ if (definition.kind === Kind.OPERATION_DEFINITION) {
+ var _definition$name;
+
+ if (operationName == null) {
+ // If no operation name was provided, only return an Operation if there
+ // is one defined in the document. Upon encountering the second, return
+ // null.
+ if (operation) {
+ return null;
+ }
+
+ operation = definition;
+ } else if (((_definition$name = definition.name) === null || _definition$name === void 0 ? void 0 : _definition$name.value) === operationName) {
+ return definition;
+ }
+ }
+ }
+
+ return operation;
+}