135 lines
4.1 KiB
JavaScript
135 lines
4.1 KiB
JavaScript
import { GraphQLError } from '../../error/GraphQLError';
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import { Kind } from '../../language/kinds';
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import { DirectiveLocation } from '../../language/directiveLocation';
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import { specifiedDirectives } from '../../type/directives';
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export function unknownDirectiveMessage(directiveName) {
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return "Unknown directive \"".concat(directiveName, "\".");
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}
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export function misplacedDirectiveMessage(directiveName, location) {
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return "Directive \"".concat(directiveName, "\" may not be used on ").concat(location, ".");
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}
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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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export function KnownDirectives(context) {
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var locationsMap = Object.create(null);
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var schema = context.getSchema();
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var definedDirectives = schema ? schema.getDirectives() : specifiedDirectives;
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for (var _i2 = 0; _i2 < definedDirectives.length; _i2++) {
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var directive = definedDirectives[_i2];
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locationsMap[directive.name] = directive.locations;
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}
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var astDefinitions = context.getDocument().definitions;
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for (var _i4 = 0; _i4 < astDefinitions.length; _i4++) {
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var def = astDefinitions[_i4];
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if (def.kind === Kind.DIRECTIVE_DEFINITION) {
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locationsMap[def.name.value] = def.locations.map(function (name) {
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return name.value;
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});
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}
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}
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return {
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Directive: function Directive(node, key, parent, path, ancestors) {
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var name = node.name.value;
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var locations = locationsMap[name];
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if (!locations) {
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context.reportError(new GraphQLError(unknownDirectiveMessage(name), node));
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return;
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}
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var candidateLocation = getDirectiveLocationForASTPath(ancestors);
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if (candidateLocation && locations.indexOf(candidateLocation) === -1) {
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context.reportError(new GraphQLError(misplacedDirectiveMessage(name, candidateLocation), node));
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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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var appliedTo = ancestors[ancestors.length - 1];
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if (!Array.isArray(appliedTo)) {
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switch (appliedTo.kind) {
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case Kind.OPERATION_DEFINITION:
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switch (appliedTo.operation) {
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case 'query':
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return DirectiveLocation.QUERY;
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case 'mutation':
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return DirectiveLocation.MUTATION;
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case 'subscription':
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return DirectiveLocation.SUBSCRIPTION;
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}
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break;
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case Kind.FIELD:
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return DirectiveLocation.FIELD;
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case Kind.FRAGMENT_SPREAD:
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return DirectiveLocation.FRAGMENT_SPREAD;
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case Kind.INLINE_FRAGMENT:
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return DirectiveLocation.INLINE_FRAGMENT;
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case Kind.FRAGMENT_DEFINITION:
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return DirectiveLocation.FRAGMENT_DEFINITION;
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case Kind.VARIABLE_DEFINITION:
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return DirectiveLocation.VARIABLE_DEFINITION;
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case Kind.SCHEMA_DEFINITION:
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case Kind.SCHEMA_EXTENSION:
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return DirectiveLocation.SCHEMA;
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case Kind.SCALAR_TYPE_DEFINITION:
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case Kind.SCALAR_TYPE_EXTENSION:
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return DirectiveLocation.SCALAR;
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case Kind.OBJECT_TYPE_DEFINITION:
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case Kind.OBJECT_TYPE_EXTENSION:
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return DirectiveLocation.OBJECT;
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case Kind.FIELD_DEFINITION:
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return DirectiveLocation.FIELD_DEFINITION;
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case Kind.INTERFACE_TYPE_DEFINITION:
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case Kind.INTERFACE_TYPE_EXTENSION:
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return DirectiveLocation.INTERFACE;
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case Kind.UNION_TYPE_DEFINITION:
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case Kind.UNION_TYPE_EXTENSION:
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return DirectiveLocation.UNION;
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case Kind.ENUM_TYPE_DEFINITION:
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case Kind.ENUM_TYPE_EXTENSION:
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return DirectiveLocation.ENUM;
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case Kind.ENUM_VALUE_DEFINITION:
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return DirectiveLocation.ENUM_VALUE;
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case Kind.INPUT_OBJECT_TYPE_DEFINITION:
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case Kind.INPUT_OBJECT_TYPE_EXTENSION:
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return DirectiveLocation.INPUT_OBJECT;
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case Kind.INPUT_VALUE_DEFINITION:
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{
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var parentNode = ancestors[ancestors.length - 3];
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return parentNode.kind === Kind.INPUT_OBJECT_TYPE_DEFINITION ? DirectiveLocation.INPUT_FIELD_DEFINITION : DirectiveLocation.ARGUMENT_DEFINITION;
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}
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}
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}
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}
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