/**
* Helper to parse JSON that may contain comments (tsconfig allows comments)
*/
export const parseJSONWithComments = (jsonString: string) => {
// First, try parsing as-is (most tsconfig files don't have comments)
try {
return JSON.parse(jsonString);
} catch {
// If that fails, try stripping comments
// Note: This simple approach removes comments line by line to avoid
// matching glob patterns like /* and */ that appear in paths
}
// Process line by line to safely remove comments
const lines = jsonString.split('\n');
const cleanedLines = lines.map((line) => {
// Track if we're inside a string
let inString = false;
let result = '';
for (let i = 0; i < line.length; i++) {
const char = line[i];
const nextChar = line[i + 1];
// Handle string boundaries (accounting for escaped quotes)
if (char === '"' && (i === 0 || line[i - 1] !== '\\')) {
inString = !inString;
result += char;
continue;
}
// If we're inside a string, keep the character
if (inString) {
result += char;
continue;
}
// Check for single-line comment outside of strings
if (char === '/' && nextChar === '/') {
// Rest of line is a comment, stop here
break;
}
// Check for multi-line comment start (/* ... */)
// For simplicity, we only handle single-line /* */ comments here
if (char === '/' && nextChar === '*') {
const endIndex = line.indexOf('*/', i + 2);
if (endIndex !== -1) {
// Skip the comment
i = endIndex + 1;
continue;
}
}
result += char;
}
return result;
});
return JSON.parse(cleanedLines.join('\n'));
};
