mirror of
https://github.com/hedgedoc/hedgedoc.git
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381 lines
23 KiB
JavaScript
381 lines
23 KiB
JavaScript
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(function (root, factory) {
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'use strict';
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if (typeof define === 'function' && define.amd) {
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// AMD. Register as an anonymous module.
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define([], factory);
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} else if (typeof exports === 'object') {
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// Node. Does not work with strict CommonJS, but
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// only CommonJS-like environments that support module.exports,
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// like Node.
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module.exports = factory();
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} else {
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// Browser globals (root is window)
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root.emojify = factory();
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}
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}(this, function () {
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'use strict';
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var emojify = (function () {
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/**
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* NB!
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* The namedEmojiString variable is updated automatically by the
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* "update" gulp task. Do not remove the comment as this will
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* cause the gulp task to stop working.
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*/
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var namedEmojiString =
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/*##EMOJILIST*/"+1,-1,100,1234,8ball,a,ab,abc,abcd,accept,aerial_tramway,airplane,alarm_clock,alien,ambulance,anchor,angel,anger,angry,anguished,ant,apple,aquarius,aries,arrow_backward,arrow_double_down,arrow_double_up,arrow_down,arrow_down_small,arrow_forward,arrow_heading_down,arrow_heading_up,arrow_left,arrow_lower_left,arrow_lower_right,arrow_right,arrow_right_hook,arrow_up,arrow_up_down,arrow_up_small,arrow_upper_left,arrow_upper_right,arrows_clockwise,arrows_counterclockwise,art,articulated_lorry,astonished,atm,b,baby,baby_bottle,baby_chick,baby_symbol,back,baggage_claim,balloon,ballot_box_with_check,bamboo,banana,bangbang,bank,bar_chart,barber,baseball,basketball,bath,bathtub,battery,bear,bee,beer,beers,beetle,beginner,bell,bento,bicyclist,bike,bikini,bird,birthday,black_circle,black_joker,black_medium_small_square,black_medium_square,black_nib,black_small_square,black_square,black_square_button,blossom,blowfish,blue_book,blue_car,blue_heart,blush,boar,boat,bomb,book,bookmark,bookmark_tabs,books,boom,boot,bouquet,bow,bowling,bowtie,boy,bread,bride_with_veil,bridge_at_night,briefcase,broken_heart,bug,bulb,bullettrain_front,bullettrain_side,bus,busstop,bust_in_silhouette,busts_in_silhouette,cactus,cake,calendar,calling,camel,camera,cancer,candy,capital_abcd,capricorn,car,card_index,carousel_horse,cat,cat2,cd,chart,chart_with_downwards_trend,chart_with_upwards_trend,checkered_flag,cherries,cherry_blossom,chestnut,chicken,children_crossing,chocolate_bar,christmas_tree,church,cinema,circus_tent,city_sunrise,city_sunset,cl,clap,clapper,clipboard,clock1,clock10,clock1030,clock11,clock1130,clock12,clock1230,clock130,clock2,clock230,clock3,clock330,clock4,clock430,clock5,clock530,clock6,clock630,clock7,clock730,clock8,clock830,clock9,clock930,closed_book,closed_lock_with_key,closed_umbrella,cloud,clubs,cn,cocktail,coffee,cold_sweat,collision,computer,confetti_ball,confounded,confused,congratulations,construction,construction_worker,convenience_store,cookie,cool,cop,copyright,corn,couple,couple_with_heart,couplekiss,cow,cow2,credit_card,crocodile,crossed_flags,crown,cry,crying_cat_face,crystal_ball,cupid,curly_loop,currency_exchange,curry,custard,customs,cyclone,dancer,dancers,dango,dart,dash,date,de,deciduous_tree,department_store,diamond_shape_with_a_dot_inside,diamonds,disappointed,disappointed_relieved,dizzy,dizzy_face,do_not_litter,dog,dog2,dollar,dolls,dolphin,donut,door,doughnut,dragon,dragon_face,dress,dromedary_camel,droplet,dvd,e-mail,ear,ear_of_rice,earth_africa,earth_americas,earth_asia,egg,eggplant,eight,eight_pointed_black_star,eight_spoked_asterisk,electric_plug,elephant,email,end,envelope,es,euro,european_castle,european_post_office,evergreen_tree,exclamation,expressionless,eyeglasses,eyes,facepunch,factory,fallen_leaf,family,fast_forward,fax,fearful,feelsgood,feet,ferris_wheel,file_folder,finnadie,fire,fire_engine,fireworks,first_quarter_moon,first_quarter_moon_with_face,fish,fish_cake,fishing_pole_and_fish,fist,five,flags,flashlight,floppy_disk,flower_playing_cards,flushed,foggy,football,fork_and_knife,fountain,four,four_leaf_clover,fr,free,fried_shrimp,fries,frog,frowning,fu,fuelpump,full_moon,full_moon_with_face,game_die,gb,gem,gemini,ghost,gift,gift_heart,girl,globe_with_meridians,goat,goberserk,godmode,golf,grapes,green_apple,green_book,green_heart,grey_exclamation,grey_question,grimacing,grin,grinning,guardsman,guitar,gun,haircut,hamburger,hammer,hamster,hand,handbag,hankey,hash,hatched_chick,hatching_chick,headphones,hear_no_evil,heart,heart_decoration,heart_eyes,heart_eyes_cat,heartbeat,heartpulse,hearts,heavy_check_mark,heavy_division_sign,heavy_dollar_sign,heavy_exclamation_mark,heavy_minus_sign,heavy_multiplication_x,heavy_plus_sign,helicopter,herb,hibiscus,high_brightness,high_heel,hocho,honey_pot,honeybee,horse,horse_racing,hospital,hotel,hotsprings,hourglass,hourglass_flowing_sand,house,house_with_garden,hurtrealbad,hushed,ice_cream,icecream,id,ideograph_advantage,imp,inbox_tray,incoming_envelope,information_desk_person,information_source,innocent,interrobang,iphone,it,izakaya_lan
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var namedEmoji = namedEmojiString.split(/,/);
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/* A hash with the named emoji as keys */
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var namedMatchHash = namedEmoji.reduce(function(memo, v) {
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memo[v] = true;
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return memo;
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}, {});
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var emoticonsProcessed;
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var emojiMegaRe;
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function initEmoticonsProcessed() {
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/* List of emoticons used in the regular expression */
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var emoticons = {
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/* :..: */ named: /:([a-z0-9A-Z_-]+):/,
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/* :-) */ smile: /:-?\)/g,
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/* :-o */ scream: /:-o/gi,
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/* :-] */ smirk: /[:;]-?]/g,
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/* :-D */ grinning: /[:;]-?d/gi,
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/* X-D */ stuck_out_tongue_closed_eyes: /x-d/gi,
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/* ;-p */ stuck_out_tongue_winking_eye: /[:;]-?p/gi,
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/* :-[ / :-@ */ rage: /:-?[\[@]/g,
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/* :-( */ frowning: /:-?\(/g,
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/* :'-( */ sob: /:['’]-?\(|:'\(/g,
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/* :-* */ kissing_heart: /:-?\*/g,
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/* ;-) */ wink: /;-?\)/g,
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/* :-/ */ pensive: /:-?\//g,
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/* :-s */ confounded: /:-?s/gi,
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/* :-| */ flushed: /:-?\|/g,
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/* :-$ */ relaxed: /:-?\$/g,
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/* :-x */ mask: /:-x/gi,
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/* <3 */ heart: /<3|<3/g,
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/* </3 */ broken_heart: /<\/3|</3/g,
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/* :+1: */ thumbsup: /:\+1:/g,
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/* :-1: */ thumbsdown: /:\-1:/g
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};
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if (defaultConfig.ignore_emoticons) {
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emoticons = {
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/* :..: */ named: /:([a-z0-9A-Z_-]+):/,
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/* :+1: */ thumbsup: /:\+1:/g,
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/* :-1: */ thumbsdown: /:\-1:/g
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};
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}
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return Object.keys(emoticons).map(function(key) {
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return [emoticons[key], key];
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});
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}
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function initMegaRe() {
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/* The source for our mega-regex */
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var mega = emoticonsProcessed
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.map(function(v) {
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var re = v[0];
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var val = re.source || re;
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val = val.replace(/(^|[^\[])\^/g, '$1');
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return "(" + val + ")";
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})
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.join('|');
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/* The regex used to find emoji */
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return new RegExp(mega, "gi");
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}
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var defaultConfig = {
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blacklist: {
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'ids': [],
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'classes': ['no-emojify'],
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'elements': ['script', 'textarea', 'a', 'pre', 'code']
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},
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tag_type: null,
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only_crawl_id: null,
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img_dir: 'images/emoji',
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ignore_emoticons: false,
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mode: 'img'
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};
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/* Returns true if the given char is whitespace */
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function isWhitespace(s) {
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return s === ' ' || s === '\t' || s === '\r' || s === '\n' || s === '' || s === String.fromCharCode(160);
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}
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var modeToElementTagType = {
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'img': 'img',
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'sprite': 'span',
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'data-uri': 'span'
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};
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/* Given a match in a node, replace the text with an image */
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function insertEmojicon(args) {
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var emojiElement = null;
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if(args.replacer){
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emojiElement = args.replacer.apply({
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config: defaultConfig
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},
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[':' + args.emojiName + ':', args.emojiName]
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);
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}
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else {
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var elementType = defaultConfig.tag_type || modeToElementTagType[defaultConfig.mode];
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emojiElement = args.win.document.createElement(elementType);
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if (elementType !== 'img') {
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emojiElement.setAttribute('class', 'emoji emoji-' + args.emojiName);
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} else {
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emojiElement.setAttribute('align', 'absmiddle');
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emojiElement.setAttribute('alt', ':' + args.emojiName + ':');
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emojiElement.setAttribute('class', 'emoji');
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emojiElement.setAttribute('src', defaultConfig.img_dir + '/' + args.emojiName + '.png');
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}
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emojiElement.setAttribute('title', ':' + args.emojiName + ':');
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}
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args.node.splitText(args.match.index);
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args.node.nextSibling.nodeValue = args.node.nextSibling.nodeValue.substr(
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args.match[0].length,
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args.node.nextSibling.nodeValue.length
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);
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emojiElement.appendChild(args.node.splitText(args.match.index));
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args.node.parentNode.insertBefore(emojiElement, args.node.nextSibling);
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}
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/* Given an regex match, return the name of the matching emoji */
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function getEmojiNameForMatch(match) {
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/* Special case for named emoji */
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if(match[1] && match[2]) {
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var named = match[2];
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if(namedMatchHash[named]) { return named; }
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return;
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}
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for(var i = 3; i < match.length - 1; i++) {
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if(match[i]) {
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return emoticonsProcessed[i - 2][1];
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}
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}
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}
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function defaultReplacer(emoji, name) {
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/*jshint validthis: true */
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var elementType = this.config.tag_type || modeToElementTagType[this.config.mode];
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if (elementType !== 'img') {
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return "<" + elementType +" class='emoji emoji-" + name + "' title=':" + name + ":'></" + elementType+ ">";
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} else {
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return "<img align='absmiddle' alt=':" + name + ":' class='emoji' src='" + this.config.img_dir + '/' + name + ".png' title=':" + name + ":' />";
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}
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}
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function Validator() {
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this.lastEmojiTerminatedAt = -1;
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}
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Validator.prototype = {
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validate: function(match, index, input) {
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var self = this;
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/* Validator */
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var emojiName = getEmojiNameForMatch(match);
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if(!emojiName) { return; }
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var m = match[0];
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var length = m.length;
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// var index = match.index;
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// var input = match.input;
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function success() {
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self.lastEmojiTerminatedAt = length + index;
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return emojiName;
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}
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/* At the beginning? */
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if(index === 0) { return success(); }
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/* At the end? */
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if(input.length === m.length + index) { return success(); }
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var hasEmojiBefore = this.lastEmojiTerminatedAt === index;
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if (hasEmojiBefore) { return success();}
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/* Has a whitespace before? */
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if(isWhitespace(input.charAt(index - 1))) { return success(); }
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var hasWhitespaceAfter = isWhitespace(input.charAt(m.length + index));
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/* Has a whitespace after? */
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if(hasWhitespaceAfter && hasEmojiBefore) { return success(); }
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return;
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}
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};
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function emojifyString (htmlString, replacer) {
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if(!htmlString) { return htmlString; }
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if(!replacer) { replacer = defaultReplacer; }
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emoticonsProcessed = initEmoticonsProcessed();
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emojiMegaRe = initMegaRe();
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var validator = new Validator();
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return htmlString.replace(emojiMegaRe, function() {
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var matches = Array.prototype.slice.call(arguments, 0, -2);
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var index = arguments[arguments.length - 2];
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var input = arguments[arguments.length - 1];
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var emojiName = validator.validate(matches, index, input);
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if(emojiName) {
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return replacer.apply({
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config: defaultConfig
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},
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[arguments[0], emojiName]
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);
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}
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/* Did not validate, return the original value */
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return arguments[0];
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});
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}
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function run(el, replacer) {
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// Check if an element was not passed.
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// This will only work in the browser
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if(typeof el === 'undefined'){
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// Check if an element was configured. If not, default to the body.
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if (defaultConfig.only_crawl_id) {
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el = document.getElementById(defaultConfig.only_crawl_id);
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} else {
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el = document.body;
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}
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}
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// Get the window object from the passed element.
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var doc = el.ownerDocument,
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win = doc.defaultView || doc.parentWindow;
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var treeTraverse = function (parent, cb){
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var child;
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if (parent.hasChildNodes()) {
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child = parent.firstChild;
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while(child){
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if(cb(child)) {
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treeTraverse(child, cb);
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}
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child = child.nextSibling;
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}
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}
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};
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var matchAndInsertEmoji = function(node) {
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var match;
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var matches = [];
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var validator = new Validator();
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while ((match = emojiMegaRe.exec(node.data)) !== null) {
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if(validator.validate(match, match.index, match.input)) {
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matches.push(match);
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}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for (var i = matches.length; i-- > 0;) {
|
|||
|
|
/* Replace the text with the emoji */
|
|||
|
|
var emojiName = getEmojiNameForMatch(matches[i]);
|
|||
|
|
insertEmojicon({
|
|||
|
|
node: node,
|
|||
|
|
match: matches[i],
|
|||
|
|
emojiName: emojiName,
|
|||
|
|
replacer: replacer,
|
|||
|
|
win: win
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
emoticonsProcessed = initEmoticonsProcessed();
|
|||
|
|
emojiMegaRe = initMegaRe();
|
|||
|
|
|
|||
|
|
var nodes = [];
|
|||
|
|
|
|||
|
|
var elementsBlacklist = new RegExp(defaultConfig.blacklist.elements.join('|'), 'i'),
|
|||
|
|
classesBlacklist = new RegExp(defaultConfig.blacklist.classes.join('|'), 'i');
|
|||
|
|
|
|||
|
|
if(typeof win.document.createTreeWalker !== 'undefined') {
|
|||
|
|
var nodeIterator = win.document.createTreeWalker(
|
|||
|
|
el,
|
|||
|
|
win.NodeFilter.SHOW_TEXT | win.NodeFilter.SHOW_ELEMENT,
|
|||
|
|
function(node) {
|
|||
|
|
if(node.nodeType !== 1) {
|
|||
|
|
/* Text Node? Good! */
|
|||
|
|
return win.NodeFilter.FILTER_ACCEPT;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
try {
|
|||
|
|
if(node.tagName.match(elementsBlacklist) || node.className.match(classesBlacklist)) {
|
|||
|
|
return win.NodeFilter.FILTER_REJECT;
|
|||
|
|
}
|
|||
|
|
} catch(err) {
|
|||
|
|
return win.NodeFilter.FILTER_SKIP;
|
|||
|
|
}
|
|||
|
|
return win.NodeFilter.FILTER_SKIP;
|
|||
|
|
},
|
|||
|
|
false
|
|||
|
|
);
|
|||
|
|
|
|||
|
|
var node;
|
|||
|
|
|
|||
|
|
while((node = nodeIterator.nextNode()) !== null) {
|
|||
|
|
nodes.push(node);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else {
|
|||
|
|
treeTraverse(el, function(node){
|
|||
|
|
if(
|
|||
|
|
(typeof node.tagName !== 'undefined' && node.tagName.match(elementsBlacklist)) ||
|
|||
|
|
(typeof node.className !== 'undefined' && node.className.match(classesBlacklist))
|
|||
|
|
){
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
if (node.nodeType === 1) {
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
nodes.push(node);
|
|||
|
|
return true;
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
nodes.forEach(matchAndInsertEmoji);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return {
|
|||
|
|
// Sane defaults
|
|||
|
|
defaultConfig: defaultConfig,
|
|||
|
|
emojiNames: namedEmoji,
|
|||
|
|
setConfig: function (newConfig) {
|
|||
|
|
Object.keys(defaultConfig).forEach(function(f) {
|
|||
|
|
if(f in newConfig) {
|
|||
|
|
defaultConfig[f] = newConfig[f];
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
replace: emojifyString,
|
|||
|
|
|
|||
|
|
// Main method
|
|||
|
|
run: run
|
|||
|
|
};
|
|||
|
|
})();
|
|||
|
|
|
|||
|
|
return emojify;
|
|||
|
|
}
|
|||
|
|
));
|