|
|
@@ -0,0 +1,97 @@
|
|
|
+(function (global, factory) {
|
|
|
+ typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
|
|
|
+ typeof define === 'function' && define.amd ? define(['exports'], factory) :
|
|
|
+ (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.markedHighlight = {}));
|
|
|
+})(this, (function (exports) { 'use strict';
|
|
|
+
|
|
|
+ function markedHighlight(options) {
|
|
|
+ if (typeof options === 'function') {
|
|
|
+ options = {
|
|
|
+ highlight: options
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!options || typeof options.highlight !== 'function') {
|
|
|
+ throw new Error('Must provide highlight function');
|
|
|
+ }
|
|
|
+
|
|
|
+ if (typeof options.langPrefix !== 'string') {
|
|
|
+ options.langPrefix = 'language-';
|
|
|
+ }
|
|
|
+
|
|
|
+ return {
|
|
|
+ async: !!options.async,
|
|
|
+ walkTokens(token) {
|
|
|
+ if (token.type !== 'code') {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ const lang = getLang(token.lang);
|
|
|
+
|
|
|
+ if (options.async) {
|
|
|
+ return Promise.resolve(options.highlight(token.text, lang, token.lang || '')).then(updateToken(token));
|
|
|
+ }
|
|
|
+
|
|
|
+ const code = options.highlight(token.text, lang, token.lang || '');
|
|
|
+ if (code instanceof Promise) {
|
|
|
+ throw new Error('markedHighlight is not set to async but the highlight function is async. Set the async option to true on markedHighlight to await the async highlight function.');
|
|
|
+ }
|
|
|
+ updateToken(token)(code);
|
|
|
+ },
|
|
|
+ useNewRenderer: true,
|
|
|
+ renderer: {
|
|
|
+ code({ text, lang, escaped }) {
|
|
|
+ const language = getLang(lang);
|
|
|
+ const classAttr = language
|
|
|
+ ? ` class="${options.langPrefix}${escape(language)}"`
|
|
|
+ : '';
|
|
|
+ text = text.replace(/\n$/, '');
|
|
|
+ return `<pre><code${classAttr}>${escaped ? text : escape(text, true)}\n</code></pre>`;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ function getLang(lang) {
|
|
|
+ return (lang || '').match(/\S*/)[0];
|
|
|
+ }
|
|
|
+
|
|
|
+ function updateToken(token) {
|
|
|
+ return (code) => {
|
|
|
+ if (typeof code === 'string' && code !== token.text) {
|
|
|
+ token.escaped = true;
|
|
|
+ token.text = code;
|
|
|
+ }
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ // copied from marked helpers
|
|
|
+ const escapeTest = /[&<>"']/;
|
|
|
+ const escapeReplace = new RegExp(escapeTest.source, 'g');
|
|
|
+ const escapeTestNoEncode = /[<>"']|&(?!(#\d{1,7}|#[Xx][a-fA-F0-9]{1,6}|\w+);)/;
|
|
|
+ const escapeReplaceNoEncode = new RegExp(escapeTestNoEncode.source, 'g');
|
|
|
+ const escapeReplacements = {
|
|
|
+ '&': '&',
|
|
|
+ '<': '<',
|
|
|
+ '>': '>',
|
|
|
+ '"': '"',
|
|
|
+ "'": '''
|
|
|
+ };
|
|
|
+ const getEscapeReplacement = (ch) => escapeReplacements[ch];
|
|
|
+ function escape(html, encode) {
|
|
|
+ if (encode) {
|
|
|
+ if (escapeTest.test(html)) {
|
|
|
+ return html.replace(escapeReplace, getEscapeReplacement);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ if (escapeTestNoEncode.test(html)) {
|
|
|
+ return html.replace(escapeReplaceNoEncode, getEscapeReplacement);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return html;
|
|
|
+ }
|
|
|
+
|
|
|
+ exports.markedHighlight = markedHighlight;
|
|
|
+
|
|
|
+}));
|
Alex Cheema