111 lines
2.4 KiB
JavaScript
111 lines
2.4 KiB
JavaScript
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'use strict';
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const walker = require('walker');
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const anymatch = require('anymatch');
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const micromatch = require('micromatch');
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const path = require('path');
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const platform = require('os').platform();
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/**
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* Constants
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*/
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exports.DEFAULT_DELAY = 100;
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exports.CHANGE_EVENT = 'change';
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exports.DELETE_EVENT = 'delete';
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exports.ADD_EVENT = 'add';
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exports.ALL_EVENT = 'all';
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/**
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* Assigns options to the watcher.
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*
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* @param {NodeWatcher|PollWatcher|WatchmanWatcher} watcher
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* @param {?object} opts
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* @return {boolean}
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* @public
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*/
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exports.assignOptions = function(watcher, opts) {
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opts = opts || {};
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watcher.globs = opts.glob || [];
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watcher.dot = opts.dot || false;
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watcher.ignored = opts.ignored || false;
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if (!Array.isArray(watcher.globs)) {
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watcher.globs = [watcher.globs];
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}
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watcher.hasIgnore =
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Boolean(opts.ignored) && !(Array.isArray(opts) && opts.length > 0);
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watcher.doIgnore = opts.ignored ? anymatch(opts.ignored) : () => false;
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if (opts.watchman && opts.watchmanPath) {
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watcher.watchmanPath = opts.watchmanPath;
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}
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return opts;
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};
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/**
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* Checks a file relative path against the globs array.
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*
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* @param {array} globs
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* @param {string} relativePath
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* @return {boolean}
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* @public
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*/
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exports.isFileIncluded = function(globs, dot, doIgnore, relativePath) {
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if (doIgnore(relativePath)) {
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return false;
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}
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return globs.length
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? micromatch.some(relativePath, globs, { dot: dot })
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: dot || micromatch.some(relativePath, '**/*');
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};
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/**
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* Traverse a directory recursively calling `callback` on every directory.
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*
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* @param {string} dir
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* @param {function} dirCallback
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* @param {function} fileCallback
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* @param {function} endCallback
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* @param {*} ignored
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* @public
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*/
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exports.recReaddir = function(
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dir,
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dirCallback,
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fileCallback,
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endCallback,
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errorCallback,
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ignored
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) {
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walker(dir)
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.filterDir(currentDir => !anymatch(ignored, currentDir))
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.on('dir', normalizeProxy(dirCallback))
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.on('file', normalizeProxy(fileCallback))
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.on('error', errorCallback)
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.on('end', () => {
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if (platform === 'win32') {
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setTimeout(endCallback, 1000);
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} else {
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endCallback();
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}
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});
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};
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/**
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* Returns a callback that when called will normalize a path and call the
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* original callback
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*
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* @param {function} callback
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* @return {function}
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* @private
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*/
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function normalizeProxy(callback) {
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return (filepath, stats) => callback(path.normalize(filepath), stats);
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}
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