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103 lines
2.5 KiB
103 lines
2.5 KiB
'use strict';
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var linkifyjs = require('linkifyjs');
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/**
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Convert strings of text into linkable HTML text
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*/
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function escapeText(text) {
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return text.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>');
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}
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function escapeAttr(href) {
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return href.replace(/"/g, '"');
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}
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function attributesToString(attributes) {
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if (!attributes) {
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return '';
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}
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var result = [];
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for (var attr in attributes) {
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var val = attributes[attr] + '';
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result.push("".concat(attr, "=\"").concat(escapeAttr(val), "\""));
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}
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return result.join(' ');
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}
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/**
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* Convert a plan text string to an HTML string with links. Expects that the
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* given strings does not contain any HTML entities. Use the linkify-html
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* interface if you need to parse HTML entities.
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*
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* @param {string} str string to linkify
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* @param {object} [opts] overridable options
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* @returns {string}
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*/
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function linkifyStr(str) {
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var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
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opts = new linkifyjs.Options(opts);
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var tokens = linkifyjs.tokenize(str);
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var result = [];
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for (var i = 0; i < tokens.length; i++) {
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var token = tokens[i];
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if (token.t === 'nl' && opts.nl2br) {
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result.push('<br>\n');
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continue;
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} else if (!token.isLink || !opts.check(token)) {
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result.push(escapeText(token.toString()));
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continue;
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}
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var _opts$resolve = opts.resolve(token),
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formatted = _opts$resolve.formatted,
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formattedHref = _opts$resolve.formattedHref,
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tagName = _opts$resolve.tagName,
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className = _opts$resolve.className,
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target = _opts$resolve.target,
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rel = _opts$resolve.rel,
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attributes = _opts$resolve.attributes;
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var link = ["<".concat(tagName, " href=\"").concat(escapeAttr(formattedHref), "\"")];
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if (className) {
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link.push(" class=\"".concat(escapeAttr(className), "\""));
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}
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if (target) {
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link.push(" target=\"".concat(escapeAttr(target), "\""));
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}
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if (rel) {
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link.push(" rel=\"".concat(escapeAttr(rel), "\""));
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}
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if (attributes) {
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link.push(" ".concat(attributesToString(attributes)));
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}
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link.push(">".concat(escapeText(formatted), "</").concat(tagName, ">"));
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result.push(link.join(''));
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}
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return result.join('');
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}
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if (!String.prototype.linkify) {
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Object.defineProperty(String.prototype, 'linkify', {
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writable: false,
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value: function linkify(options) {
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return linkifyStr(this, options);
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}
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});
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}
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module.exports = linkifyStr;
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