@graphql-tools/utils
Version:
Common package containing utils and types for GraphQL tools
77 lines (76 loc) • 2.29 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.assertSome = exports.isSome = exports.compareNodes = exports.nodeToString = exports.compareStrings = exports.isValidPath = exports.isDocumentString = exports.asArray = void 0;
const graphql_1 = require("graphql");
const asArray = (fns) => (Array.isArray(fns) ? fns : fns ? [fns] : []);
exports.asArray = asArray;
const invalidDocRegex = /\.[a-z0-9]+$/i;
function isDocumentString(str) {
if (typeof str !== 'string') {
return false;
}
// XXX: is-valid-path or is-glob treat SDL as a valid path
// (`scalar Date` for example)
// this why checking the extension is fast enough
// and prevent from parsing the string in order to find out
// if the string is a SDL
if (invalidDocRegex.test(str)) {
return false;
}
try {
(0, graphql_1.parse)(str);
return true;
}
catch (e) { }
return false;
}
exports.isDocumentString = isDocumentString;
const invalidPathRegex = /[‘“!%^<=>`]/;
function isValidPath(str) {
return typeof str === 'string' && !invalidPathRegex.test(str);
}
exports.isValidPath = isValidPath;
function compareStrings(a, b) {
if (String(a) < String(b)) {
return -1;
}
if (String(a) > String(b)) {
return 1;
}
return 0;
}
exports.compareStrings = compareStrings;
function nodeToString(a) {
var _a, _b;
let name;
if ('alias' in a) {
name = (_a = a.alias) === null || _a === void 0 ? void 0 : _a.value;
}
if (name == null && 'name' in a) {
name = (_b = a.name) === null || _b === void 0 ? void 0 : _b.value;
}
if (name == null) {
name = a.kind;
}
return name;
}
exports.nodeToString = nodeToString;
function compareNodes(a, b, customFn) {
const aStr = nodeToString(a);
const bStr = nodeToString(b);
if (typeof customFn === 'function') {
return customFn(aStr, bStr);
}
return compareStrings(aStr, bStr);
}
exports.compareNodes = compareNodes;
function isSome(input) {
return input != null;
}
exports.isSome = isSome;
function assertSome(input, message = 'Value should be something') {
if (input == null) {
throw new Error(message);
}
}
exports.assertSome = assertSome;