aviau | 039001d | 2016-09-29 16:39:05 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016 SoapBox Innovations Inc. |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 5 | * of this software and associated documentation files (the "Software"), to deal |
| 6 | * in the Software without restriction, including without limitation the rights |
| 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 8 | * copies of the Software, and to permit persons to whom the Software is |
| 9 | * furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included in |
| 12 | * all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 20 | * THE SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | 'use strict'; |
| 24 | |
| 25 | ;(function (window, linkify, $) { |
| 26 | var linkifyJquery = function (jquery, linkify) { |
| 27 | 'use strict'; |
| 28 | |
| 29 | /** |
| 30 | Linkify a HTML DOM node |
| 31 | */ |
| 32 | |
| 33 | var tokenize = linkify.tokenize; |
| 34 | var options = linkify.options; |
| 35 | var Options = options.Options; |
| 36 | |
| 37 | |
| 38 | var TEXT_TOKEN = linkify.parser.TOKENS.TEXT; |
| 39 | |
| 40 | var HTML_NODE = 1; |
| 41 | var TXT_NODE = 3; |
| 42 | /** |
| 43 | Given a parent element and child node that the parent contains, replaces |
| 44 | that child with the given array of new children |
| 45 | */ |
| 46 | function replaceChildWithChildren(parent, oldChild, newChildren) { |
| 47 | var lastNewChild = newChildren[newChildren.length - 1]; |
| 48 | parent.replaceChild(lastNewChild, oldChild); |
| 49 | for (var i = newChildren.length - 2; i >= 0; i--) { |
| 50 | parent.insertBefore(newChildren[i], lastNewChild); |
| 51 | lastNewChild = newChildren[i]; |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | Given an array of MultiTokens, return an array of Nodes that are either |
| 57 | (a) Plain Text nodes (node type 3) |
| 58 | (b) Anchor tag nodes (usually, unless tag name is overridden in the options) |
| 59 | |
| 60 | Takes the same options as linkifyElement and an optional doc element |
| 61 | (this should be passed in by linkifyElement) |
| 62 | */ |
| 63 | function tokensToNodes(tokens, opts, doc) { |
| 64 | var result = []; |
| 65 | |
| 66 | for (var _iterator = tokens, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { |
| 67 | var _ref; |
| 68 | |
| 69 | if (_isArray) { |
| 70 | if (_i >= _iterator.length) break; |
| 71 | _ref = _iterator[_i++]; |
| 72 | } else { |
| 73 | _i = _iterator.next(); |
| 74 | if (_i.done) break; |
| 75 | _ref = _i.value; |
| 76 | } |
| 77 | |
| 78 | var token = _ref; |
| 79 | |
| 80 | if (token.type === 'nl' && opts.nl2br) { |
| 81 | result.push(doc.createElement('br')); |
| 82 | continue; |
| 83 | } else if (!token.isLink || !opts.check(token)) { |
| 84 | result.push(doc.createTextNode(token.toString())); |
| 85 | continue; |
| 86 | } |
| 87 | |
| 88 | var _opts$resolve = opts.resolve(token); |
| 89 | |
| 90 | var formatted = _opts$resolve.formatted; |
| 91 | var formattedHref = _opts$resolve.formattedHref; |
| 92 | var tagName = _opts$resolve.tagName; |
| 93 | var className = _opts$resolve.className; |
| 94 | var target = _opts$resolve.target; |
| 95 | var events = _opts$resolve.events; |
| 96 | var attributes = _opts$resolve.attributes; |
| 97 | |
| 98 | // Build the link |
| 99 | |
| 100 | var link = doc.createElement(tagName); |
| 101 | link.setAttribute('href', formattedHref); |
| 102 | |
| 103 | if (className) { |
| 104 | link.setAttribute('class', className); |
| 105 | } |
| 106 | |
| 107 | if (target) { |
| 108 | link.setAttribute('target', target); |
| 109 | } |
| 110 | |
| 111 | // Build up additional attributes |
| 112 | if (attributes) { |
| 113 | for (var attr in attributes) { |
| 114 | link.setAttribute(attr, attributes[attr]); |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | if (events) { |
| 119 | for (var event in events) { |
| 120 | if (link.addEventListener) { |
| 121 | link.addEventListener(event, events[event]); |
| 122 | } else if (link.attachEvent) { |
| 123 | link.attachEvent('on' + event, events[event]); |
| 124 | } |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | link.appendChild(doc.createTextNode(formatted)); |
| 129 | result.push(link); |
| 130 | } |
| 131 | |
| 132 | return result; |
| 133 | } |
| 134 | |
| 135 | // Requires document.createElement |
| 136 | function linkifyElementHelper(element, opts, doc) { |
| 137 | |
| 138 | // Can the element be linkified? |
| 139 | if (!element || element.nodeType !== HTML_NODE) { |
| 140 | throw new Error('Cannot linkify ' + element + ' - Invalid DOM Node type'); |
| 141 | } |
| 142 | |
| 143 | var ignoreTags = opts.ignoreTags; |
| 144 | |
| 145 | // Is this element already a link? |
| 146 | if (element.tagName === 'A' || options.contains(ignoreTags, element.tagName)) { |
| 147 | // No need to linkify |
| 148 | return element; |
| 149 | } |
| 150 | |
| 151 | var childElement = element.firstChild; |
| 152 | |
| 153 | while (childElement) { |
| 154 | |
| 155 | switch (childElement.nodeType) { |
| 156 | case HTML_NODE: |
| 157 | linkifyElementHelper(childElement, opts, doc); |
| 158 | break; |
| 159 | case TXT_NODE: |
| 160 | |
| 161 | var str = childElement.nodeValue; |
| 162 | var tokens = tokenize(str); |
| 163 | |
| 164 | if (tokens.length === 0 || tokens.length === 1 && tokens[0] instanceof TEXT_TOKEN) { |
| 165 | // No node replacement required |
| 166 | break; |
| 167 | } |
| 168 | |
| 169 | var nodes = tokensToNodes(tokens, opts, doc); |
| 170 | |
| 171 | // Swap out the current child for the set of nodes |
| 172 | replaceChildWithChildren(element, childElement, nodes); |
| 173 | |
| 174 | // so that the correct sibling is selected next |
| 175 | childElement = nodes[nodes.length - 1]; |
| 176 | |
| 177 | break; |
| 178 | } |
| 179 | |
| 180 | childElement = childElement.nextSibling; |
| 181 | } |
| 182 | |
| 183 | return element; |
| 184 | } |
| 185 | |
| 186 | function linkifyElement(element, opts) { |
| 187 | var doc = arguments.length <= 2 || arguments[2] === undefined ? false : arguments[2]; |
| 188 | |
| 189 | |
| 190 | try { |
| 191 | doc = doc || document || window && window.document || global && global.document; |
| 192 | } catch (e) {/* do nothing for now */} |
| 193 | |
| 194 | if (!doc) { |
| 195 | throw new Error('Cannot find document implementation. ' + 'If you are in a non-browser environment like Node.js, ' + 'pass the document implementation as the third argument to linkifyElement.'); |
| 196 | } |
| 197 | |
| 198 | opts = new Options(opts); |
| 199 | return linkifyElementHelper(element, opts, doc); |
| 200 | } |
| 201 | |
| 202 | // Maintain reference to the recursive helper to cache option-normalization |
| 203 | linkifyElement.helper = linkifyElementHelper; |
| 204 | linkifyElement.normalize = function (opts) { |
| 205 | return new Options(opts); |
| 206 | }; |
| 207 | |
| 208 | // Applies the plugin to jQuery |
| 209 | function apply($) { |
| 210 | var doc = arguments.length <= 1 || arguments[1] === undefined ? false : arguments[1]; |
| 211 | |
| 212 | |
| 213 | $.fn = $.fn || {}; |
| 214 | |
| 215 | try { |
| 216 | doc = doc || document || window && window.document || global && global.document; |
| 217 | } catch (e) {/* do nothing for now */} |
| 218 | |
| 219 | if (!doc) { |
| 220 | throw new Error('Cannot find document implementation. ' + 'If you are in a non-browser environment like Node.js, ' + 'pass the document implementation as the second argument to linkify/jquery'); |
| 221 | } |
| 222 | |
| 223 | if (typeof $.fn.linkify === 'function') { |
| 224 | // Already applied |
| 225 | return; |
| 226 | } |
| 227 | |
| 228 | function jqLinkify(opts) { |
| 229 | opts = linkifyElement.normalize(opts); |
| 230 | return this.each(function () { |
| 231 | linkifyElement.helper(this, opts, doc); |
| 232 | }); |
| 233 | } |
| 234 | |
| 235 | $.fn.linkify = jqLinkify; |
| 236 | |
| 237 | $(doc).ready(function () { |
| 238 | $('[data-linkify]').each(function () { |
| 239 | var $this = $(this); |
| 240 | var data = $this.data(); |
| 241 | var target = data.linkify; |
| 242 | var nl2br = data.linkifyNlbr; |
| 243 | var options = { |
| 244 | attributes: data.linkifyAttributes, |
| 245 | defaultProtocol: data.linkifyDefaultProtocol, |
| 246 | events: data.linkifyEvents, |
| 247 | format: data.linkifyFormat, |
| 248 | formatHref: data.linkifyFormatHref, |
| 249 | nl2br: !!nl2br && nl2br !== 0 && nl2br !== 'false', |
| 250 | tagName: data.linkifyTagname, |
| 251 | target: data.linkifyTarget, |
| 252 | className: data.linkifyClassName || data.linkifyLinkclass, // linkClass is deprecated |
| 253 | validate: data.linkifyValidate, |
| 254 | ignoreTags: data.linkifyIgnoreTags |
| 255 | }; |
| 256 | var $target = target === 'this' ? $this : $this.find(target); |
| 257 | $target.linkify(options); |
| 258 | }); |
| 259 | }); |
| 260 | } |
| 261 | |
| 262 | // Try assigning linkifyElement to the browser scope |
| 263 | try { |
| 264 | var a = !define && (window.linkifyElement = linkifyElement); |
| 265 | } catch (e) {} |
| 266 | |
| 267 | return apply; |
| 268 | }($, linkify); |
| 269 | if (typeof $.fn.linkify !== 'function') { |
| 270 | linkifyJquery($); |
| 271 | } |
| 272 | })(window, linkify, jQuery); |