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authorMinteck <contact@minteck.org>2023-02-23 19:34:56 +0100
committerMinteck <contact@minteck.org>2023-02-23 19:34:56 +0100
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tree75be5fba4368472fb11c8015aee026b2b9a71888 /includes/external/school/node_modules/graphql/validation/rules/UniqueDirectiveNamesRule.mjs
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+import { GraphQLError } from "../../error/GraphQLError.mjs";
+
+/**
+ * Unique directive names
+ *
+ * A GraphQL document is only valid if all defined directives have unique names.
+ */
+export function UniqueDirectiveNamesRule(context) {
+ var knownDirectiveNames = Object.create(null);
+ var schema = context.getSchema();
+ return {
+ DirectiveDefinition: function DirectiveDefinition(node) {
+ var directiveName = node.name.value;
+
+ if (schema !== null && schema !== void 0 && schema.getDirective(directiveName)) {
+ context.reportError(new GraphQLError("Directive \"@".concat(directiveName, "\" already exists in the schema. It cannot be redefined."), node.name));
+ return;
+ }
+
+ if (knownDirectiveNames[directiveName]) {
+ context.reportError(new GraphQLError("There can be only one directive named \"@".concat(directiveName, "\"."), [knownDirectiveNames[directiveName], node.name]));
+ } else {
+ knownDirectiveNames[directiveName] = node.name;
+ }
+
+ return false;
+ }
+ };
+}