97 lines
2.0 KiB
JavaScript
97 lines
2.0 KiB
JavaScript
var ini = require('ini');
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var glob = require('glob');
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var path = require('path');
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var fs = require('fs');
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// Constants
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var ICON_REALPATH_REGEX = /\..+$/;
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exports.loadAllDesktopFiles = function(rootDirs) {
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return exports.findAllDesktopFiles(rootDirs)
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.then(function(filePaths) {
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var promises = filePaths.map(function(path) {
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return exports.loadDesktopFile(path);
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});
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return Promise.all(promises)
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.then(function(contents) {
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return contents.map(function(content, i) {
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return { content: content, path: filePaths[i] };
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});
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})
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;
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})
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;
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};
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exports.findAllDesktopFiles = function(rootDirs) {
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if(!Array.isArray(rootDirs)) {
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rootDirs = [rootDirs];
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}
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var promises = rootDirs.map(function(rootDir) {
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var globPath = path.join(rootDir, '**/*.desktop');
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return new Promise(function(resolve, reject) {
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glob(globPath, function(err, files) {
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if(err) return reject(err);
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return resolve(files);
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});
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});
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});
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return Promise.all(promises)
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.then(function(apps) {
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return uniq(flatten(apps));
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})
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;
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};
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exports.loadDesktopFile = function(filePath) {
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return new Promise(function(resolve, reject) {
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fs.readFile(filePath, 'utf8', function(err, content) {
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if(err) return reject(err);
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try {
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var decoded = ini.decode(content);
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return resolve(decoded);
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} catch(err) {
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return reject(err);
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}
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});
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});
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};
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exports.findIcon = function(iconPath) {
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return new Promise(function(resolve, reject) {
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if( ICON_REALPATH_REGEX.test(iconPath) ) {
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return resolve(iconPath);
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}
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});
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};
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// Array helpers
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function flatten(arr) {
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return arr.reduce(function(result, item) {
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result = result.concat.apply(result, Array.isArray(item) ? flatten(item) : [item]);
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return result;
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}, []);
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}
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function uniq(arr) {
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return arr.reduce(function(result, item) {
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if(result.indexOf(item) === -1) {
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result.push(item);
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}
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return result;
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}, []);
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}
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