user options: use jsonc

2025-04-02 23:41:15 +02:00
parent 7e2926bdf9
commit 3ace513374
5 changed files with 325 additions and 254 deletions
@@ -0,0 +1,58 @@
+export function parseJSONC(jsoncString) {
+    let result = "";
+    let inString = false;
+    let inSingleQuote = false;
+    let inMultiLineComment = false;
+    let inSingleLineComment = false;
+
+    for (let i = 0; i < jsoncString.length; i++) {
+        let char = jsoncString[i];
+        let nextChar = jsoncString[i + 1];
+
+        // Handle string start/end
+        if (!inSingleLineComment && !inMultiLineComment) {
+            if (char === '"' && !inSingleQuote) {
+                inString = !inString;
+            } else if (char === "'" && !inString) {
+                inSingleQuote = !inSingleQuote;
+            }
+        }
+
+        // Handle single-line comments //
+        if (!inString && !inSingleQuote && !inMultiLineComment && char === '/' && nextChar === '/') {
+            inSingleLineComment = true;
+            i++; // Skip next '/'
+            continue;
+        }
+
+        // Handle multi-line comments /*
+        if (!inString && !inSingleQuote && !inSingleLineComment && char === '/' && nextChar === '*') {
+            inMultiLineComment = true;
+            i++; // Skip next '*'
+            continue;
+        }
+
+        // End single-line comment at newline
+        if (inSingleLineComment && (char === '\n' || char === '\r')) {
+            inSingleLineComment = false;
+        }
+
+        // End multi-line comment */
+        if (inMultiLineComment && char === '*' && nextChar === '/') {
+            inMultiLineComment = false;
+            i++; // Skip next '/'
+            continue;
+        }
+
+        // Only append characters if not inside a comment
+        if (!inSingleLineComment && !inMultiLineComment) {
+            result += char;
+        }
+    }
+
+    // Remove trailing commas from objects and arrays
+    result = result.replace(/,\s*([\]}])/g, '$1');
+
+    // Parse as JSON
+    return JSON.parse(result);
+}