112 lines
3 KiB
JavaScript
112 lines
3 KiB
JavaScript
"use strict";
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const { bundledLanguages, bundledThemes } = require("shiki");
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const { createHighlighterCoreSync } = require("shiki/core");
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const { createJavaScriptRegexEngine } = require("shiki/engine/javascript");
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const { transformerColorizedBrackets } = require("@shikijs/colorized-brackets");
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const schemeGrammar = require('tm-grammars/grammars/scheme.json');
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const baseTheme = structuredClone(require("@shikijs/themes/github-light").default);
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baseTheme.tokenColors.unshift({
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scope: ["comment.output"],
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settings: { foreground: '#052b57', fontStyle: 'italic' }
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}, {
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scope: ["comment.console"],
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settings: { foreground: '#005cc5', fontStyle: 'italic' }
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}, {
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scope: ["comment.note"],
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settings: { foreground: '#6a737d', fontStyle: 'italic' }
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}, {
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scope: ["comment.hide"],
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settings: { foreground: '#052b59', fontStyle: 'bold' }
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});
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const patchScheme = () => {
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const myLang = structuredClone(schemeGrammar);
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// Add special comment patterns
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myLang.repository.comment.patterns.splice(0, 0, {
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begin: ';;( ?)',
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beginCaptures: { '0': { name: 'comment.hide' } },
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end: '\\n',
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name: 'comment.output'
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}, {
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begin: ';!( ?)',
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beginCaptures: { '0': { name: 'comment.hide' } },
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end: '\\n',
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name: 'comment.note'
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}, {
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begin: ';>( ?)',
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beginCaptures: { '0': { name: 'comment.hide' } },
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end: '\\n',
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name: 'comment.console'
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});
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// copy all quote patterns to work with not just 'foo but with #$foo and #~foo
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// for zexps
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let patterns = myLang.repository.quote.patterns;
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for (let item of structuredClone(patterns)) {
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if (item.match) {
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item.match = item.match.replace("(')", "(#[$~])");
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}
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if (item.begin) {
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item.begin = item.begin.replace("(')", "(#[$~])");
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}
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patterns.push(item);
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}
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return myLang;
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}
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const highlighter = createHighlighterCoreSync({
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themes: [baseTheme],
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langs: [
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patchScheme(),
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require("@shikijs/langs/shellsession").default,
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require("@shikijs/langs/bash").default,
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require("@shikijs/langs/nix").default,
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require("@shikijs/langs/json").default,
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],
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engine: createJavaScriptRegexEngine(),
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});
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const commentHider = {
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tokens(tokens) {
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for (const line of tokens) {
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for (const token of line) {
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for (const expl of token.explanation ?? []) {
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if (expl.scopes.find(a => a.scopeName === 'comment.hide')) {
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token.htmlStyle ||= {}
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token.htmlStyle["font-size"] = '0';
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break;
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}
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}
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}
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}
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}
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}
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class ShikiHighlighter {
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format(node, lang, opts = {}) {
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return node.getContent();
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}
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highlight(node, source, lang, opts) {
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return highlighter.codeToHtml(source, {
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lang,
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theme: "github-light",
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transformers: [transformerColorizedBrackets(), commentHider]
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});
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}
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handlesHighlighting() {
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return true;
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}
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}
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module.exports = function(registry) {
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const { SyntaxHighlighter } = registry.$$class.$$base_module.$$base_module.$$;
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SyntaxHighlighter.register("shiki", ShikiHighlighter);
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}
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