@graphql-tools/load
Version:
A set of utils for faster development of GraphQL tools
84 lines (83 loc) • 3.05 kB
JavaScript
import { env } from 'process';
import { debugTimerEnd, debugTimerStart } from '@graphql-tools/utils';
export async function loadFile(pointer, options) {
debugTimerStart(`@graphql-tools/load: loadFile ${pointer}`);
let results = options.cache?.[pointer];
if (!results) {
results = [];
const errors = [];
await Promise.all(options.loaders.map(async (loader) => {
try {
const loaderResults = await loader.load(pointer, options);
loaderResults?.forEach(result => results.push(result));
}
catch (error) {
if (env['DEBUG']) {
console.error(error);
}
if (error instanceof AggregateError) {
for (const errorElement of error.errors) {
errors.push(errorElement);
}
}
else {
errors.push(error);
}
}
}));
if (results.length === 0 && errors.length > 0) {
if (errors.length === 1) {
throw errors[0];
}
throw new AggregateError(errors, `Failed to find any GraphQL type definitions in: ${pointer};\n - ${errors
.map(error => error.message)
.join('\n - ')}`);
}
if (options.cache) {
options.cache[pointer] = results;
}
}
debugTimerEnd(`@graphql-tools/load: loadFile ${pointer}`);
return results;
}
export function loadFileSync(pointer, options) {
debugTimerStart(`@graphql-tools/load: loadFileSync ${pointer}`);
let results = options.cache?.[pointer];
if (!results) {
results = [];
const errors = [];
for (const loader of options.loaders) {
try {
// We check for the existence so it is okay to force non null
const loaderResults = loader.loadSync(pointer, options);
loaderResults?.forEach(result => results.push(result));
}
catch (error) {
if (env['DEBUG']) {
console.error(error);
}
if (error instanceof AggregateError) {
for (const errorElement of error.errors) {
errors.push(errorElement);
}
}
else {
errors.push(error);
}
}
}
if (results.length === 0 && errors.length > 0) {
if (errors.length === 1) {
throw errors[0];
}
throw new AggregateError(errors, `Failed to find any GraphQL type definitions in: ${pointer};\n - ${errors
.map(error => error.message)
.join('\n - ')}`);
}
if (options.cache) {
options.cache[pointer] = results;
}
}
debugTimerEnd(`@graphql-tools/load: loadFileSync ${pointer}`);
return results;
}