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LocalCDN-Firefox-Chrome-Brave/resources/urlize/latest/urlize.jsm
2020-04-28 06:19:38 +02:00

319 lines
11 KiB
JavaScript

(function (root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define('urlize', [], factory);
} else if (typeof exports === 'object') {
// Node. Does not work with strict CommonJS, but
module.exports = factory();
} else {
// Browser globals (root is window)
root.urlize = factory(root.b);
}
}(this, function () {
// From http://blog.stevenlevithan.com/archives/cross-browser-split
// modified to not add itself to String.prototype.
/*!
* Cross-Browser Split 1.1.1
* Copyright 2007-2012 Steven Levithan <stevenlevithan.com>
* Available under the MIT License
* ECMAScript compliant, uniform cross-browser split method
*/
/**
* Splits a string into an array of strings using a regex or string separator. Matches of the
* separator are not included in the result array. However, if `separator` is a regex that contains
* capturing groups, backreferences are spliced into the result each time `separator` is matched.
* Fixes browser bugs compared to the native `String.prototype.split` and can be used reliably
* cross-browser.
* @param {String} str String to split.
* @param {RegExp|String} separator Regex or string to use for separating the string.
* @param {Number} [limit] Maximum number of items to include in the result array.
* @returns {Array} Array of substrings.
* @example
*
* // Basic use
* split('a b c d', ' ');
* // -> ['a', 'b', 'c', 'd']
*
* // With limit
* split('a b c d', ' ', 2);
* // -> ['a', 'b']
*
* // Backreferences in result array
* split('..word1 word2..', /([a-z]+)(\d+)/i);
* // -> ['..', 'word', '1', ' ', 'word', '2', '..']
*/
var split;
// Avoid running twice; that would break the `nativeSplit` reference
split = split || function (undef) {
var nativeSplit = String.prototype.split,
compliantExecNpcg = /()??/.exec("")[1] === undef, // NPCG: nonparticipating capturing group
self;
self = function (str, separator, limit) {
// If `separator` is not a regex, use `nativeSplit`
if (Object.prototype.toString.call(separator) !== "[object RegExp]") {
return nativeSplit.call(str, separator, limit);
}
var output = [],
flags = (separator.ignoreCase ? "i" : "") + (separator.multiline ? "m" : "") + (separator.extended ? "x" : "") + // Proposed for ES6
(separator.sticky ? "y" : ""), // Firefox 3+
lastLastIndex = 0, // Make `global` and avoid `lastIndex` issues by working with a copy
separator = new RegExp(separator.source, flags + "g"),
separator2, match, lastIndex, lastLength;
str += ""; // Type-convert
if (!compliantExecNpcg) {
// Doesn't need flags gy, but they don't hurt
separator2 = new RegExp("^" + separator.source + "$(?!\\s)", flags);
}
/* Values for `limit`, per the spec:
* If undefined: 4294967295 // Math.pow(2, 32) - 1
* If 0, Infinity, or NaN: 0
* If positive number: limit = Math.floor(limit); if (limit > 4294967295) limit -= 4294967296;
* If negative number: 4294967296 - Math.floor(Math.abs(limit))
* If other: Type-convert, then use the above rules
*/
limit = limit === undef ?
-1 >>> 0 : // Math.pow(2, 32) - 1
limit >>> 0; // ToUint32(limit)
while (match = separator.exec(str)) {
// `separator.lastIndex` is not reliable cross-browser
lastIndex = match.index + match[0].length;
if (lastIndex > lastLastIndex) {
output.push(str.slice(lastLastIndex, match.index));
// Fix browsers whose `exec` methods don't consistently return `undefined` for
// nonparticipating capturing groups
if (!compliantExecNpcg && match.length > 1) {
match[0].replace(separator2, function () {
for (var i = 1; i < arguments.length - 2; i++) {
if (arguments[i] === undef) {
match[i] = undef;
}
}
});
}
if (match.length > 1 && match.index < str.length) {
Array.prototype.push.apply(output, match.slice(1));
}
lastLength = match[0].length;
lastLastIndex = lastIndex;
if (output.length >= limit) {
break;
}
}
if (separator.lastIndex === match.index) {
separator.lastIndex++; // Avoid an infinite loop
}
}
if (lastLastIndex === str.length) {
if (lastLength || !separator.test("")) {
output.push("");
}
} else {
output.push(str.slice(lastLastIndex));
}
return output.length > limit ? output.slice(0, limit) : output;
};
return self;
}();
function startswith(string, prefix) {
return string.substr(0, prefix.length) == prefix;
}
function endswith(string, suffix) {
return string.substr(string.length - suffix.length, suffix.length) == suffix;
}
// http://stackoverflow.com/a/7924240/17498
function occurrences(string, substring) {
var n = 0;
var pos = 0;
while (true) {
pos = string.indexOf(substring, pos);
if (pos != -1) {
n++;
pos += substring.length;
} else {
break;
}
}
return n;
}
var unquoted_percents_re = /%(?![0-9A-Fa-f]{2})/;
// Quotes a URL if it isn't already quoted.
function smart_urlquote(url) {
// XXX: Not handling IDN.
//
// Convert protocol to lowercase.
var colonIndex = url.indexOf(':');
url = url.substring(0, colonIndex).toLowerCase() + url.substring(colonIndex);
//
// An URL is considered unquoted if it contains no % characters or
// contains a % not followed by two hexadecimal digits.
if (url.indexOf('%') == -1 || url.match(unquoted_percents_re)) {
return encodeURI(url);
} else {
return url;
}
}
var trailing_punctuation_django = ['.', ',', ':', ';'];
var trailing_punctuation_improved = ['.', ',', ':', ';', '.)'];
var wrapping_punctuation_django = [['(', ')'], ['<', '>'], ['&lt;', '&gt;']];
var wrapping_punctuation_improved = [['(', ')'], ['<', '>'], ['&lt;', '&gt;'],
['\u201c', '\u201d'], ['\u2018', '\u2019']];
var word_split_re_django = /(\s+)/;
var word_split_re_improved = /([\s<>"]+)/;
var simple_url_re = /^https?:\/\/\w/i;
var django_top_level_domains = ['com', 'edu', 'gov', 'int', 'mil', 'net', 'org'];
var simple_email_re = /^\S+@\S+\.\S+$/;
function htmlescape(html, options) {
var escaped = html
.replace(/&/g, "&amp;")
.replace(/</g, "&lt;")
.replace(/>/g, "&gt;")
.replace(/"/g, "&quot;")
.replace(/'/g, "&#39;");
if (options && !options.django_compatible) { // only on django_compatible because => https://github.com/ljosa/urlize.js/pull/9
escaped = escaped.replace(/\//g, "&#47;");
}
return escaped;
}
function urlescape(url) {
return url // Do not escape slash, because is used for the http:// part
.replace(/&/g, "&amp;")
.replace(/</g, "&lt;")
.replace(/>/g, "&gt;")
.replace(/"/g, "&quot;");
}
function convert_arguments(args) {
var options;
if (args.length == 2 && typeof (args[1]) == 'object') {
options = args[1];
} else {
options = {
nofollow: args[1],
autoescape: args[2],
trim_url_limit: args[3],
target: args[4]
};
}
if (!('django_compatible' in options)) options.django_compatible = true;
return options;
}
function urlize(text, options) {
options = convert_arguments(arguments);
function trim_url(x, limit) {
if (options.trim === "http" || options.trim === "www")
x = x.replace(/^https?:\/\//i, '');
if (options.trim === "www")
x = x.replace(/^www\./i, '');
if (limit === undefined) limit = options.trim_url_limit;
if (limit && x.length > limit) return x.substr(0, limit - 3) + '...';
return x;
}
var safe_input = false;
var word_split_re = options.django_compatible ? word_split_re_django : word_split_re_improved;
var trailing_punctuation = options.django_compatible ? trailing_punctuation_django : trailing_punctuation_improved;
var wrapping_punctuation = options.django_compatible ? wrapping_punctuation_django : wrapping_punctuation_improved;
var simple_url_2_re = new RegExp('^www\\.|^(?!http)\\w[^@' + (options.django_compatible ? '' : '.') + ']+\\.(' +
(options.top_level_domains || django_top_level_domains).join('|') +
')$',
"i");
var words = split(text, word_split_re);
for (var i = 0; i < words.length; i++) {
var word = words[i];
var match = undefined;
if (word.indexOf('.') != -1 || word.indexOf('@') != -1 || word.indexOf(':') != -1) {
// Deal with punctuation.
var lead = '';
var middle = word;
var trail = '';
for (var j = 0; j < trailing_punctuation.length; j++) {
var punctuation = trailing_punctuation[j];
if (endswith(middle, punctuation)) {
middle = middle.substr(0, middle.length - punctuation.length);
trail = punctuation + trail;
}
}
for (var j = 0; j < wrapping_punctuation.length; j++) {
var opening = wrapping_punctuation[j][0];
var closing = wrapping_punctuation[j][1];
if (startswith(middle, opening)) {
middle = middle.substr(opening.length);
lead = lead + opening;
}
// Keep parentheses at the end only if they're balanced.
if (endswith(middle, closing) && occurrences(middle, closing) == occurrences(middle, opening) + 1) {
middle = middle.substr(0, middle.length - closing.length);
trail = closing + trail;
}
}
// Make URL we want to point to.
var url = undefined;
var nofollow_attr = options.nofollow ? ' rel="nofollow"' : '';
var target_attr = options.target ? ' target="' + options.target + '"' : '';
if (middle.match(simple_url_re)) url = smart_urlquote(middle);
else if (middle.match(simple_url_2_re)) url = smart_urlquote('http://' + middle);
else if (middle.indexOf(':') == -1 && middle.match(simple_email_re)) {
// XXX: Not handling IDN.
url = 'mailto:' + middle;
nofollow_attr = '';
}
// Make link.
if (url) {
var trimmed = trim_url(middle);
if (options.autoescape) {
// XXX: Assuming autoscape == false
lead = htmlescape(lead, options);
trail = htmlescape(trail, options);
url = urlescape(url);
trimmed = htmlescape(trimmed, options);
}
middle = '<a href="' + url + '"' + nofollow_attr + target_attr + '>' + trimmed + '</a>';
words[i] = lead + middle + trail;
} else {
if (safe_input) {
// Do nothing, as we have no mark_safe.
} else if (options.autoescape) {
words[i] = htmlescape(word, options);
}
}
} else if (safe_input) {
// Do nothing, as we have no mark_safe.
} else if (options.autoescape) {
words[i] = htmlescape(word, options);
}
}
return words.join('');
}
urlize.test = {};
urlize.test.split = split;
urlize.test.convert_arguments = convert_arguments;
return urlize;
}));