feat(ASCII Art to Code): utility to format ASCII Art to code

Handle ASCII Art to code conversion for Python, Bash, Powershell, C, C++, VB.Net, Node.js, HTML, Rust, Go, Ruby, PHP, Swift, Kotlin, SQL and Java

Author: sharevb

src/utils/ascii-lang-utils.ts

@@ -0,0 +1,54 @@
+function escapeXml(unsafe: string) {
+  return unsafe.replace(/[<>&'"]/g, (c: string | undefined) => {
+    switch (c) {
+      case '<': return '&lt;';
+      case '>': return '&gt;';
+      case '&': return '&amp;';
+      case '\'': return '&apos;';
+      case '"': return '&quot;';
+    }
+  });
+}
+
+const dontEscape = '';
+const escapeBackslash = '\\\\';
+const escapeSingleQuote = '\'';
+const escapeDoubleQuote = '"';
+const defaultEscape = escapeBackslash + escapeSingleQuote + escapeDoubleQuote;
+export const languages = [
+  { id: 'raw', name: 'Raw Text', prefix: '', suffix: '', begin: '', end: '', escape: dontEscape },
+  { id: 'bash', name: 'Bash', prefix: 'echo "', suffix: '"', begin: '', end: '', escape: escapeBackslash + escapeDoubleQuote },
+  { id: 'pwsh', name: 'PowerShell', prefix: 'Write-Output \'', suffix: '\'', begin: '', end: '', escape: escapeBackslash + escapeSingleQuote },
+  { id: 'c', name: 'C', prefix: 'printf("', suffix: '\\n");', begin: '#include <stdio.h>\n', end: '', escape: defaultEscape },
+  { id: 'cpp', name: 'C++', prefix: 'std::cout << "', suffix: '\\n";', begin: '#include <iostream>\n', end: '', escape: defaultEscape },
+  { id: 'csharp', name: 'C#', prefix: 'Console.WriteLine(@"', suffix: '");', begin: 'using System;\n', end: '', escape: escapeDoubleQuote },
+  { id: 'vbnet', name: 'VB.Net', prefix: 'Console.WriteLine("', suffix: '")', begin: '', end: '', escape: (l: string) => l.replace('"', '""') },
+  { id: 'node', name: 'Node.js', prefix: 'console.log("', suffix: '");', begin: '', end: '', escape: defaultEscape },
+  { id: 'python', name: 'Python', prefix: 'print("', suffix: '")', begin: '', end: '', escape: escapeBackslash + escapeDoubleQuote },
+  { id: 'html', name: 'HTML', prefix: '', suffix: '', begin: '<pre>\n', end: '\n</pre>', escape: (l: string) => escapeXml(l) },
+  { id: 'rust', name: 'Rust', prefix: 'println!("', suffix: '");', begin: '', end: '', escape: defaultEscape },
+  { id: 'go', name: 'Go', prefix: 'fmt.Println("', suffix: '")', begin: 'import "fmt"\n', end: '', escape: defaultEscape },
+  { id: 'ruby', name: 'Ruby', prefix: 'puts "', suffix: '"', begin: '', end: '', escape: defaultEscape },
+  { id: 'php', name: 'PHP', prefix: 'echo "', suffix: '\\n";', begin: '<?php\n', end: '\n?>', escape: defaultEscape },
+  { id: 'swift', name: 'Swift', prefix: 'print("', suffix: '")', begin: '', end: '', escape: defaultEscape },
+  { id: 'kotlin', name: 'Kotlin', prefix: 'println("', suffix: '")', begin: '', end: '', escape: defaultEscape },
+  { id: 'sql', name: 'SQL', prefix: 'SELECT \'', suffix: '\\n\'', begin: '', end: '', escape: (l: string) => l.replace('\'', '\'\'') },
+  { id: 'java', name: 'Java', prefix: 'System.out.println("', suffix: '");', begin: '', end: '', escape: defaultEscape },
+];
+export function translateToLanguage(asciiArt: string, languageId: string) {
+  const langConfig = languages.find(l => l.id === languageId);
+  if (!langConfig) {
+    return asciiArt;
+  }
+
+  const escape = typeof langConfig.escape === 'function'
+    ? langConfig.escape
+    : function (line: string) {
+      return langConfig.escape
+        ? line.replace(new RegExp(`([${langConfig.escape}])`, 'g'), '\\$1')
+        : line;
+    };
+  return langConfig.begin + asciiArt.split('\n').map((line) => {
+    return langConfig.prefix + escape(line) + langConfig.suffix;
+  }).join('\n') + langConfig.end;
+}