Files
30-seconds-of-code/node_modules/graphql/validation/rules/UniqueDirectivesPerLocation.js
2019-08-20 15:52:05 +02:00

128 lines
4.0 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.duplicateDirectiveMessage = duplicateDirectiveMessage;
exports.UniqueDirectivesPerLocation = UniqueDirectivesPerLocation;
var _GraphQLError = require("../../error/GraphQLError");
var _kinds = require("../../language/kinds");
var _directives = require("../../type/directives");
function duplicateDirectiveMessage(directiveName) {
return "The directive \"".concat(directiveName, "\" can only be used once at this location.");
}
/**
* Unique directive names per location
*
* A GraphQL document is only valid if all non-repeatable directives at
* a given location are uniquely named.
*/
function UniqueDirectivesPerLocation(context) {
var uniqueDirectiveMap = Object.create(null);
var schema = context.getSchema();
var definedDirectives = schema ? schema.getDirectives() : _directives.specifiedDirectives;
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = definedDirectives[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var directive = _step.value;
uniqueDirectiveMap[directive.name] = !directive.isRepeatable;
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator.return != null) {
_iterator.return();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
var astDefinitions = context.getDocument().definitions;
var _iteratorNormalCompletion2 = true;
var _didIteratorError2 = false;
var _iteratorError2 = undefined;
try {
for (var _iterator2 = astDefinitions[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
var def = _step2.value;
if (def.kind === _kinds.Kind.DIRECTIVE_DEFINITION) {
uniqueDirectiveMap[def.name.value] = !def.repeatable;
}
}
} catch (err) {
_didIteratorError2 = true;
_iteratorError2 = err;
} finally {
try {
if (!_iteratorNormalCompletion2 && _iterator2.return != null) {
_iterator2.return();
}
} finally {
if (_didIteratorError2) {
throw _iteratorError2;
}
}
}
return {
// Many different AST nodes may contain directives. Rather than listing
// them all, just listen for entering any node, and check to see if it
// defines any directives.
enter: function enter(node) {
// Flow can't refine that node.directives will only contain directives,
// so we cast so the rest of the code is well typed.
var directives = node.directives;
if (directives) {
var knownDirectives = Object.create(null);
var _iteratorNormalCompletion3 = true;
var _didIteratorError3 = false;
var _iteratorError3 = undefined;
try {
for (var _iterator3 = directives[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {
var directive = _step3.value;
var directiveName = directive.name.value;
if (uniqueDirectiveMap[directiveName]) {
if (knownDirectives[directiveName]) {
context.reportError(new _GraphQLError.GraphQLError(duplicateDirectiveMessage(directiveName), [knownDirectives[directiveName], directive]));
} else {
knownDirectives[directiveName] = directive;
}
}
}
} catch (err) {
_didIteratorError3 = true;
_iteratorError3 = err;
} finally {
try {
if (!_iteratorNormalCompletion3 && _iterator3.return != null) {
_iterator3.return();
}
} finally {
if (_didIteratorError3) {
throw _iteratorError3;
}
}
}
}
}
};
}