FA3->FA4 migration

fa-migration.js

import glob from 'glob';
import fs from 'fs';
import path from 'path';

//We don't want ng-class, so we need to make sure to have the \s stuff
const CLASS_REGEXP = /\sclass="(.*?)"/g;
const ICON_PREFIX_REGEXP = /^icon-/;

const replacements = {
	"ban-circle": "ban",
	"bar-chart": "bar-chart-o",
	"beaker": "flask",
	"bell": "bell-o",
	"bell-alt": "bell",
	"bitbucket-sign": "bitbucket-square",
	"bookmark-empty": "bookmark-o",
	"building": "building-o",
	"calendar-empty": "calendar-o",
	"check-empty": "square-o",
	"check-minus": "minus-square-o",
	"check-sign": "check-square",
	"check": "check-square-o",
	"chevron-sign-down": "chevron-down",
	"chevron-sign-left": "chevron-left",
	"chevron-sign-right": "chevron-right",
	"chevron-sign-up": "chevron-up",
	"circle-arrow-down": "arrow-circle-down",
	"circle-arrow-left": "arrow-circle-left",
	"circle-arrow-right": "arrow-circle-right",
	"circle-arrow-up": "arrow-circle-up",
	"circle-blank": "circle-o",
	"cny": "rmb",
	"collapse-alt": "minus-square-o",
	"collapse-top": "caret-square-o-up",
	"collapse": "caret-square-o-down",
	"comment-alt": "comment-o",
	"comments-alt": "comments-o",
	"copy": "files-o",
	"cut": "scissors",
	"dashboard": "tachometer",
	"double-angle-down": "angle-double-down",
	"double-angle-left": "angle-double-left",
	"double-angle-right": "angle-double-right",
	"double-angle-up": "angle-double-up",
	"download": "arrow-circle-o-down",
	"download-alt": "download",
	"edit-sign": "pencil-square",
	"edit": "pencil-square-o",
	"ellipsis-horizontal": "ellipsis-h",
	"ellipsis-vertical": "ellipsis-v",
	"envelope-alt": "envelope-o",
	"exclamation-sign": "exclamation-circle",
	"expand-alt": "plus-square-o",
	"expand": "caret-square-o-right",
	"external-link-sign": "external-link-square",
	"eye-close": "eye-slash",
	"eye-open": "eye",
	"facebook-sign": "facebook-square",
	"facetime-video": "video-camera",
	"file-alt": "file-o",
	"file-text-alt": "file-text-o",
	"flag-alt": "flag-o",
	"folder-close-alt": "folder-o",
	"folder-close": "folder",
	"folder-open-alt": "folder-open-o",
	"food": "cutlery",
	"frown": "frown-o",
	"fullscreen": "arrows-alt",
	"github-sign": "github-square",
	"google-plus-sign": "google-plus-square",
	"group": "users",
	"h-sign": "h-square",
	"hand-down": "hand-o-down",
	"hand-left": "hand-o-left",
	"hand-right": "hand-o-right",
	"hand-up": "hand-o-up",
	"hdd": "hdd-o",
	"heart-empty": "heart-o",
	"hospital": "hospital-o",
	"indent-left": "outdent",
	"indent-right": "indent",
	"info-sign": "info-circle",
	"keyboard": "keyboard-o",
	"legal": "gavel",
	"lemon": "lemon-o",
	"lightbulb": "lightbulb-o",
	"linkedin-sign": "linkedin-square",
	"meh": "meh-o",
	"microphone-off": "microphone-slash",
	"minus-sign-alt": "minus-square",
	"minus-sign": "minus-circle",
	"mobile-phone": "mobile",
	"moon": "moon-o",
	"move": "arrows",
	"off": "power-off",
	"ok-circle": "check-circle-o",
	"ok-sign": "check-circle",
	"ok": "check",
	"paper-clip": "paperclip",
	"paste": "clipboard",
	"phone-sign": "phone-square",
	"picture": "picture-o",
	"pinterest-sign": "pinterest-square",
	"play-circle": "play-circle-o",
	"play-sign": "play-circle",
	"plus-sign-alt": "plus-square",
	"plus-sign": "plus-circle",
	"pushpin": "thumb-tack",
	"question-sign": "question-circle",
	"remove-circle": "times-circle-o",
	"remove-sign": "times-circle",
	"remove": "times",
	"reorder": "bars",
	"resize-full": "expand",
	"resize-horizontal": "arrows-h",
	"resize-small": "compress",
	"resize-vertical": "arrows-v",
	"rss-sign": "rss-square",
	"save": "floppy-o",
	"screenshot": "crosshairs",
	"share-alt": "share",
	"share-sign": "share-square",
	"share": "share-square-o",
	"sign-blank": "square",
	"signin": "sign-in",
	"signout": "sign-out",
	"smile": "smile-o",
	"sort-by-alphabet-alt": "sort-alpha-desc",
	"sort-by-alphabet": "sort-alpha-asc",
	"sort-by-attributes-alt": "sort-amount-desc",
	"sort-by-attributes": "sort-amount-asc",
	"sort-by-order-alt": "sort-numeric-desc",
	"sort-by-order": "sort-numeric-asc",
	"sort-down": "sort-desc",
	"sort-up": "sort-asc",
	"stackexchange": "stack-overflow",
	"star-empty": "star-o",
	"star-half-empty": "star-half-o",
	"sun": "sun-o",
	"thumbs-down-alt": "thumbs-o-down",
	"thumbs-up-alt": "thumbs-o-up",
	"time": "clock-o",
	"trash": "trash-o",
	"tumblr-sign": "tumblr-square",
	"twitter-sign": "twitter-square",
	"unlink": "chain-broken",
	"upload": "arrow-circle-o-up",
	"upload-alt": "upload",
	"warning-sign": "exclamation-triangle",
	"xing-sign": "xing-square",
	"youtube-sign": "youtube-square",
	"zoom-in": "search-plus",
	"zoom-out": "search-minus",
};


glob("**/*.tpl", (er, files) => {
	if (er) {
		console.error('could not glob');
		console.error(er);
		process.exit(-1);
	}

	files.forEach(file => {
		const fullPath = path.join(__dirname, file);
		fs.readFile(fullPath, 'utf8', (err, file) => {
			if (err) {
				console.error('could not read file');
				console.error(err);
				process.exit(-1);
			}


			const newFile = file.replace(CLASS_REGEXP, (match, classes) => {
				const classList = classes.split(/\s+/);
				let hasIcons = false;
				if (classList.find(className => className.startsWith('icon-'))) {
					hasIcons = true;
				}
				const newClasses = classList
					.filter(className => className !== 'icon')
					.map(className => {
						if (className.startsWith('icon-')) {
							const replacement = replacements[className.replace(ICON_PREFIX_REGEXP, '')];
							if (replacement) {
								return `fa-${replacement}`;
							}
						};
						return className;
					})
					.map(className => className.replace(ICON_PREFIX_REGEXP, 'fa-'));
				if (hasIcons) {
					newClasses.unshift('fa');
				}

				return ` class="${newClasses.join(' ')}"`;
			});

			if (file !== newFile) {
				fs.writeFile(fullPath, newFile, (err) => {
					if (err) {
						console.error('could not write file');
						console.error(err);
						process.exit(-1);
					}
				});
			}
		});
	});


});