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168 lines
5.1 KiB
168 lines
5.1 KiB
4 months ago
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'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true,
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});
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exports.KnownDirectivesRule = KnownDirectivesRule;
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var _inspect = require('../../jsutils/inspect.js');
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var _invariant = require('../../jsutils/invariant.js');
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var _GraphQLError = require('../../error/GraphQLError.js');
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var _ast = require('../../language/ast.js');
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var _directiveLocation = require('../../language/directiveLocation.js');
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var _kinds = require('../../language/kinds.js');
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var _directives = require('../../type/directives.js');
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/**
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* Known directives
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*
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* A GraphQL document is only valid if all `@directives` are known by the
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* schema and legally positioned.
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*
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* See https://spec.graphql.org/draft/#sec-Directives-Are-Defined
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*/
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function KnownDirectivesRule(context) {
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const locationsMap = Object.create(null);
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const schema = context.getSchema();
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const definedDirectives = schema
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? schema.getDirectives()
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: _directives.specifiedDirectives;
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for (const directive of definedDirectives) {
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locationsMap[directive.name] = directive.locations;
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}
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const astDefinitions = context.getDocument().definitions;
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for (const def of astDefinitions) {
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if (def.kind === _kinds.Kind.DIRECTIVE_DEFINITION) {
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locationsMap[def.name.value] = def.locations.map((name) => name.value);
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}
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}
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return {
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Directive(node, _key, _parent, _path, ancestors) {
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const name = node.name.value;
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const locations = locationsMap[name];
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if (!locations) {
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context.reportError(
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new _GraphQLError.GraphQLError(`Unknown directive "@${name}".`, {
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nodes: node,
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}),
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);
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return;
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}
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const candidateLocation = getDirectiveLocationForASTPath(ancestors);
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if (candidateLocation && !locations.includes(candidateLocation)) {
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context.reportError(
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new _GraphQLError.GraphQLError(
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`Directive "@${name}" may not be used on ${candidateLocation}.`,
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{
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nodes: node,
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},
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),
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);
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}
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},
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};
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}
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function getDirectiveLocationForASTPath(ancestors) {
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const appliedTo = ancestors[ancestors.length - 1];
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'kind' in appliedTo || (0, _invariant.invariant)(false);
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switch (appliedTo.kind) {
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case _kinds.Kind.OPERATION_DEFINITION:
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return getDirectiveLocationForOperation(appliedTo.operation);
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case _kinds.Kind.FIELD:
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return _directiveLocation.DirectiveLocation.FIELD;
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case _kinds.Kind.FRAGMENT_SPREAD:
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return _directiveLocation.DirectiveLocation.FRAGMENT_SPREAD;
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case _kinds.Kind.INLINE_FRAGMENT:
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return _directiveLocation.DirectiveLocation.INLINE_FRAGMENT;
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case _kinds.Kind.FRAGMENT_DEFINITION:
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return _directiveLocation.DirectiveLocation.FRAGMENT_DEFINITION;
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case _kinds.Kind.VARIABLE_DEFINITION:
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return _directiveLocation.DirectiveLocation.VARIABLE_DEFINITION;
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case _kinds.Kind.SCHEMA_DEFINITION:
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case _kinds.Kind.SCHEMA_EXTENSION:
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return _directiveLocation.DirectiveLocation.SCHEMA;
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case _kinds.Kind.SCALAR_TYPE_DEFINITION:
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case _kinds.Kind.SCALAR_TYPE_EXTENSION:
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return _directiveLocation.DirectiveLocation.SCALAR;
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case _kinds.Kind.OBJECT_TYPE_DEFINITION:
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case _kinds.Kind.OBJECT_TYPE_EXTENSION:
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return _directiveLocation.DirectiveLocation.OBJECT;
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case _kinds.Kind.FIELD_DEFINITION:
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return _directiveLocation.DirectiveLocation.FIELD_DEFINITION;
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case _kinds.Kind.INTERFACE_TYPE_DEFINITION:
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case _kinds.Kind.INTERFACE_TYPE_EXTENSION:
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return _directiveLocation.DirectiveLocation.INTERFACE;
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case _kinds.Kind.UNION_TYPE_DEFINITION:
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case _kinds.Kind.UNION_TYPE_EXTENSION:
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return _directiveLocation.DirectiveLocation.UNION;
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case _kinds.Kind.ENUM_TYPE_DEFINITION:
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case _kinds.Kind.ENUM_TYPE_EXTENSION:
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return _directiveLocation.DirectiveLocation.ENUM;
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case _kinds.Kind.ENUM_VALUE_DEFINITION:
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return _directiveLocation.DirectiveLocation.ENUM_VALUE;
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case _kinds.Kind.INPUT_OBJECT_TYPE_DEFINITION:
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case _kinds.Kind.INPUT_OBJECT_TYPE_EXTENSION:
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return _directiveLocation.DirectiveLocation.INPUT_OBJECT;
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case _kinds.Kind.INPUT_VALUE_DEFINITION: {
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const parentNode = ancestors[ancestors.length - 3];
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'kind' in parentNode || (0, _invariant.invariant)(false);
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return parentNode.kind === _kinds.Kind.INPUT_OBJECT_TYPE_DEFINITION
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? _directiveLocation.DirectiveLocation.INPUT_FIELD_DEFINITION
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: _directiveLocation.DirectiveLocation.ARGUMENT_DEFINITION;
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}
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// Not reachable, all possible types have been considered.
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/* c8 ignore next */
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default:
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false ||
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(0, _invariant.invariant)(
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false,
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'Unexpected kind: ' + (0, _inspect.inspect)(appliedTo.kind),
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);
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}
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}
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function getDirectiveLocationForOperation(operation) {
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switch (operation) {
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case _ast.OperationTypeNode.QUERY:
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return _directiveLocation.DirectiveLocation.QUERY;
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case _ast.OperationTypeNode.MUTATION:
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return _directiveLocation.DirectiveLocation.MUTATION;
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case _ast.OperationTypeNode.SUBSCRIPTION:
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return _directiveLocation.DirectiveLocation.SUBSCRIPTION;
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}
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}
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