@graphql-tools/load
Version:
A set of utils for faster development of GraphQL tools
51 lines (50 loc) • 1.75 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.useCustomLoaderSync = exports.useCustomLoader = exports.getCustomLoaderByPath = void 0;
const module_1 = require("module");
const path_1 = require("path");
function getCustomLoaderByPath(path, cwd) {
try {
const requireFn = (0, module_1.createRequire)((0, path_1.join)(cwd, 'noop.js'));
const requiredModule = requireFn(path);
if (requiredModule) {
if (requiredModule.default && typeof requiredModule.default === 'function') {
return requiredModule.default;
}
if (typeof requiredModule === 'function') {
return requiredModule;
}
}
}
catch (e) { }
return null;
}
exports.getCustomLoaderByPath = getCustomLoaderByPath;
async function useCustomLoader(loaderPointer, cwd) {
let loader;
if (typeof loaderPointer === 'string') {
loader = await getCustomLoaderByPath(loaderPointer, cwd);
}
else if (typeof loaderPointer === 'function') {
loader = loaderPointer;
}
if (typeof loader !== 'function') {
throw new Error(`Failed to load custom loader: ${loaderPointer}`);
}
return loader;
}
exports.useCustomLoader = useCustomLoader;
function useCustomLoaderSync(loaderPointer, cwd) {
let loader;
if (typeof loaderPointer === 'string') {
loader = getCustomLoaderByPath(loaderPointer, cwd);
}
else if (typeof loaderPointer === 'function') {
loader = loaderPointer;
}
if (typeof loader !== 'function') {
throw new Error(`Failed to load custom loader: ${loaderPointer}`);
}
return loader;
}
exports.useCustomLoaderSync = useCustomLoaderSync;