| 'use strict'; |
| |
| Object.defineProperty(exports, '__esModule', { |
| value: true, |
| }); |
| exports.assertEnumValueName = assertEnumValueName; |
| exports.assertName = assertName; |
| |
| var _devAssert = require('../jsutils/devAssert.js'); |
| |
| var _GraphQLError = require('../error/GraphQLError.js'); |
| |
| var _characterClasses = require('../language/characterClasses.js'); |
| |
| /** |
| * Upholds the spec rules about naming. |
| */ |
| function assertName(name) { |
| name != null || (0, _devAssert.devAssert)(false, 'Must provide name.'); |
| typeof name === 'string' || |
| (0, _devAssert.devAssert)(false, 'Expected name to be a string.'); |
| |
| if (name.length === 0) { |
| throw new _GraphQLError.GraphQLError( |
| 'Expected name to be a non-empty string.', |
| ); |
| } |
| |
| for (let i = 1; i < name.length; ++i) { |
| if (!(0, _characterClasses.isNameContinue)(name.charCodeAt(i))) { |
| throw new _GraphQLError.GraphQLError( |
| `Names must only contain [_a-zA-Z0-9] but "${name}" does not.`, |
| ); |
| } |
| } |
| |
| if (!(0, _characterClasses.isNameStart)(name.charCodeAt(0))) { |
| throw new _GraphQLError.GraphQLError( |
| `Names must start with [_a-zA-Z] but "${name}" does not.`, |
| ); |
| } |
| |
| return name; |
| } |
| /** |
| * Upholds the spec rules about naming enum values. |
| * |
| * @internal |
| */ |
| |
| function assertEnumValueName(name) { |
| if (name === 'true' || name === 'false' || name === 'null') { |
| throw new _GraphQLError.GraphQLError( |
| `Enum values cannot be named: ${name}`, |
| ); |
| } |
| |
| return assertName(name); |
| } |