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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.KnownDirectivesRule = KnownDirectivesRule;
var _inspect = _interopRequireDefault(require("../../jsutils/inspect.js"));
var _invariant = _interopRequireDefault(require("../../jsutils/invariant.js"));
var _GraphQLError = require("../../error/GraphQLError.js");
var _kinds = require("../../language/kinds.js");
var _directiveLocation = require("../../language/directiveLocation.js");
var _directives = require("../../type/directives.js");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Known directives
*
* A GraphQL document is only valid if all `@directives` are known by the
* schema and legally positioned.
*/
function KnownDirectivesRule(context) {
var locationsMap = Object.create(null);
var schema = context.getSchema();
var definedDirectives = schema ? schema.getDirectives() : _directives.specifiedDirectives;
for (var _i2 = 0; _i2 < definedDirectives.length; _i2++) {
var directive = definedDirectives[_i2];
locationsMap[directive.name] = directive.locations;
}
var astDefinitions = context.getDocument().definitions;
for (var _i4 = 0; _i4 < astDefinitions.length; _i4++) {
var def = astDefinitions[_i4];
if (def.kind === _kinds.Kind.DIRECTIVE_DEFINITION) {
locationsMap[def.name.value] = def.locations.map(function (name) {
return name.value;
});
}
}
return {
Directive: function Directive(node, _key, _parent, _path, ancestors) {
var name = node.name.value;
var locations = locationsMap[name];
if (!locations) {
context.reportError(new _GraphQLError.GraphQLError("Unknown directive \"@".concat(name, "\"."), node));
return;
}
var candidateLocation = getDirectiveLocationForASTPath(ancestors);
if (candidateLocation && locations.indexOf(candidateLocation) === -1) {
context.reportError(new _GraphQLError.GraphQLError("Directive \"@".concat(name, "\" may not be used on ").concat(candidateLocation, "."), node));
}
}
};
}
function getDirectiveLocationForASTPath(ancestors) {
var appliedTo = ancestors[ancestors.length - 1];
!Array.isArray(appliedTo) || (0, _invariant.default)(0);
switch (appliedTo.kind) {
case _kinds.Kind.OPERATION_DEFINITION:
return getDirectiveLocationForOperation(appliedTo.operation);
case _kinds.Kind.FIELD:
return _directiveLocation.DirectiveLocation.FIELD;
case _kinds.Kind.FRAGMENT_SPREAD:
return _directiveLocation.DirectiveLocation.FRAGMENT_SPREAD;
case _kinds.Kind.INLINE_FRAGMENT:
return _directiveLocation.DirectiveLocation.INLINE_FRAGMENT;
case _kinds.Kind.FRAGMENT_DEFINITION:
return _directiveLocation.DirectiveLocation.FRAGMENT_DEFINITION;
case _kinds.Kind.VARIABLE_DEFINITION:
return _directiveLocation.DirectiveLocation.VARIABLE_DEFINITION;
case _kinds.Kind.SCHEMA_DEFINITION:
case _kinds.Kind.SCHEMA_EXTENSION:
return _directiveLocation.DirectiveLocation.SCHEMA;
case _kinds.Kind.SCALAR_TYPE_DEFINITION:
case _kinds.Kind.SCALAR_TYPE_EXTENSION:
return _directiveLocation.DirectiveLocation.SCALAR;
case _kinds.Kind.OBJECT_TYPE_DEFINITION:
case _kinds.Kind.OBJECT_TYPE_EXTENSION:
return _directiveLocation.DirectiveLocation.OBJECT;
case _kinds.Kind.FIELD_DEFINITION:
return _directiveLocation.DirectiveLocation.FIELD_DEFINITION;
case _kinds.Kind.INTERFACE_TYPE_DEFINITION:
case _kinds.Kind.INTERFACE_TYPE_EXTENSION:
return _directiveLocation.DirectiveLocation.INTERFACE;
case _kinds.Kind.UNION_TYPE_DEFINITION:
case _kinds.Kind.UNION_TYPE_EXTENSION:
return _directiveLocation.DirectiveLocation.UNION;
case _kinds.Kind.ENUM_TYPE_DEFINITION:
case _kinds.Kind.ENUM_TYPE_EXTENSION:
return _directiveLocation.DirectiveLocation.ENUM;
case _kinds.Kind.ENUM_VALUE_DEFINITION:
return _directiveLocation.DirectiveLocation.ENUM_VALUE;
case _kinds.Kind.INPUT_OBJECT_TYPE_DEFINITION:
case _kinds.Kind.INPUT_OBJECT_TYPE_EXTENSION:
return _directiveLocation.DirectiveLocation.INPUT_OBJECT;
case _kinds.Kind.INPUT_VALUE_DEFINITION:
{
var parentNode = ancestors[ancestors.length - 3];
return parentNode.kind === _kinds.Kind.INPUT_OBJECT_TYPE_DEFINITION ? _directiveLocation.DirectiveLocation.INPUT_FIELD_DEFINITION : _directiveLocation.DirectiveLocation.ARGUMENT_DEFINITION;
}
}
}
function getDirectiveLocationForOperation(operation) {
switch (operation) {
case 'query':
return _directiveLocation.DirectiveLocation.QUERY;
case 'mutation':
return _directiveLocation.DirectiveLocation.MUTATION;
case 'subscription':
return _directiveLocation.DirectiveLocation.SUBSCRIPTION;
} // istanbul ignore next (Not reachable. All possible types have been considered)
false || (0, _invariant.default)(0, 'Unexpected operation: ' + (0, _inspect.default)(operation));
}
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