Initialisation

Added the packages and files for the backend server

node_modules/graphql/validation/rules/ProvidedRequiredArgumentsRule.js

@@ -0,0 +1,162 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true,
+});
+exports.ProvidedRequiredArgumentsOnDirectivesRule =
+  ProvidedRequiredArgumentsOnDirectivesRule;
+exports.ProvidedRequiredArgumentsRule = ProvidedRequiredArgumentsRule;
+
+var _inspect = require('../../jsutils/inspect.js');
+
+var _keyMap = require('../../jsutils/keyMap.js');
+
+var _GraphQLError = require('../../error/GraphQLError.js');
+
+var _kinds = require('../../language/kinds.js');
+
+var _printer = require('../../language/printer.js');
+
+var _definition = require('../../type/definition.js');
+
+var _directives = require('../../type/directives.js');
+
+/**
+ * Provided required arguments
+ *
+ * A field or directive is only valid if all required (non-null without a
+ * default value) field arguments have been provided.
+ */
+function ProvidedRequiredArgumentsRule(context) {
+  return {
+    // eslint-disable-next-line new-cap
+    ...ProvidedRequiredArgumentsOnDirectivesRule(context),
+    Field: {
+      // Validate on leave to allow for deeper errors to appear first.
+      leave(fieldNode) {
+        var _fieldNode$arguments;
+
+        const fieldDef = context.getFieldDef();
+
+        if (!fieldDef) {
+          return false;
+        }
+
+        const providedArgs = new Set( // FIXME: https://github.com/graphql/graphql-js/issues/2203
+          /* c8 ignore next */
+          (_fieldNode$arguments = fieldNode.arguments) === null ||
+          _fieldNode$arguments === void 0
+            ? void 0
+            : _fieldNode$arguments.map((arg) => arg.name.value),
+        );
+
+        for (const argDef of fieldDef.args) {
+          if (
+            !providedArgs.has(argDef.name) &&
+            (0, _definition.isRequiredArgument)(argDef)
+          ) {
+            const argTypeStr = (0, _inspect.inspect)(argDef.type);
+            context.reportError(
+              new _GraphQLError.GraphQLError(
+                `Field "${fieldDef.name}" argument "${argDef.name}" of type "${argTypeStr}" is required, but it was not provided.`,
+                {
+                  nodes: fieldNode,
+                },
+              ),
+            );
+          }
+        }
+      },
+    },
+  };
+}
+/**
+ * @internal
+ */
+
+function ProvidedRequiredArgumentsOnDirectivesRule(context) {
+  var _schema$getDirectives;
+
+  const requiredArgsMap = Object.create(null);
+  const schema = context.getSchema();
+  const definedDirectives =
+    (_schema$getDirectives =
+      schema === null || schema === void 0
+        ? void 0
+        : schema.getDirectives()) !== null && _schema$getDirectives !== void 0
+      ? _schema$getDirectives
+      : _directives.specifiedDirectives;
+
+  for (const directive of definedDirectives) {
+    requiredArgsMap[directive.name] = (0, _keyMap.keyMap)(
+      directive.args.filter(_definition.isRequiredArgument),
+      (arg) => arg.name,
+    );
+  }
+
+  const astDefinitions = context.getDocument().definitions;
+
+  for (const def of astDefinitions) {
+    if (def.kind === _kinds.Kind.DIRECTIVE_DEFINITION) {
+      var _def$arguments;
+
+      // FIXME: https://github.com/graphql/graphql-js/issues/2203
+
+      /* c8 ignore next */
+      const argNodes =
+        (_def$arguments = def.arguments) !== null && _def$arguments !== void 0
+          ? _def$arguments
+          : [];
+      requiredArgsMap[def.name.value] = (0, _keyMap.keyMap)(
+        argNodes.filter(isRequiredArgumentNode),
+        (arg) => arg.name.value,
+      );
+    }
+  }
+
+  return {
+    Directive: {
+      // Validate on leave to allow for deeper errors to appear first.
+      leave(directiveNode) {
+        const directiveName = directiveNode.name.value;
+        const requiredArgs = requiredArgsMap[directiveName];
+
+        if (requiredArgs) {
+          var _directiveNode$argume;
+
+          // FIXME: https://github.com/graphql/graphql-js/issues/2203
+
+          /* c8 ignore next */
+          const argNodes =
+            (_directiveNode$argume = directiveNode.arguments) !== null &&
+            _directiveNode$argume !== void 0
+              ? _directiveNode$argume
+              : [];
+          const argNodeMap = new Set(argNodes.map((arg) => arg.name.value));
+
+          for (const [argName, argDef] of Object.entries(requiredArgs)) {
+            if (!argNodeMap.has(argName)) {
+              const argType = (0, _definition.isType)(argDef.type)
+                ? (0, _inspect.inspect)(argDef.type)
+                : (0, _printer.print)(argDef.type);
+              context.reportError(
+                new _GraphQLError.GraphQLError(
+                  `Directive "@${directiveName}" argument "${argName}" of type "${argType}" is required, but it was not provided.`,
+                  {
+                    nodes: directiveNode,
+                  },
+                ),
+              );
+            }
+          }
+        }
+      },
+    },
+  };
+}
+
+function isRequiredArgumentNode(arg) {
+  return (
+    arg.type.kind === _kinds.Kind.NON_NULL_TYPE && arg.defaultValue == null
+  );
+}