find-node-modules
Version:
Return an array of all parent node_modules directories
62 lines (61 loc) • 2.34 kB
JavaScript
"use strict";
const taskManager = require("./managers/tasks");
const async_1 = require("./providers/async");
const stream_1 = require("./providers/stream");
const sync_1 = require("./providers/sync");
const settings_1 = require("./settings");
const utils = require("./utils/index");
function FastGlob(source, options) {
try {
assertPatternsInput(source);
}
catch (error) {
return Promise.reject(error);
}
const works = getWorks(source, async_1.default, options);
return Promise.all(works).then(utils.array.flatten);
}
(function (FastGlob) {
function sync(source, options) {
assertPatternsInput(source);
const works = getWorks(source, sync_1.default, options);
return utils.array.flatten(works);
}
FastGlob.sync = sync;
function stream(source, options) {
assertPatternsInput(source);
const works = getWorks(source, stream_1.default, options);
/**
* The stream returned by the provider cannot work with an asynchronous iterator.
* To support asynchronous iterators, regardless of the number of tasks, we always multiplex streams.
* This affects performance (+25%). I don't see best solution right now.
*/
return utils.stream.merge(works);
}
FastGlob.stream = stream;
function generateTasks(source, options) {
assertPatternsInput(source);
const patterns = [].concat(source);
const settings = new settings_1.default(options);
return taskManager.generate(patterns, settings);
}
FastGlob.generateTasks = generateTasks;
})(FastGlob || (FastGlob = {}));
function getWorks(source, _Provider, options) {
const patterns = [].concat(source);
const settings = new settings_1.default(options);
const tasks = taskManager.generate(patterns, settings);
const provider = new _Provider(settings);
return tasks.map(provider.read, provider);
}
function assertPatternsInput(source) {
if ([].concat(source).every(isString)) {
return;
}
throw new TypeError('Patterns must be a string or an array of strings');
}
function isString(source) {
/* tslint:disable-next-line strict-type-predicates */
return typeof source === 'string';
}
module.exports = FastGlob;