refactor: improve stack trace capture in debug.pos function

AxiosLeo · AxiosLeo · commit f7b84ddf3764 · 2025-03-06T10:45:19.000+08:00
diff --git a/src/debug.js b/src/debug.js
@@ -12,8 +12,9 @@ function emit(data) {
 }
 
 function pos(label, color = '33', prefix = '', suffix = '') {
-  const stack = (new Error()).stack;
-  let tmp = stack.split('\n');
+  let err = {};
+  Error.captureStackTrace(err);
+  let tmp = err.stack.split('\n');
   let local = tmp[3].indexOf('at Object.jump') > -1 ? tmp[4] : tmp[3];
   process.stdout.write(`${prefix}\x1b[${color}m${label} ${local.trim()}\x1b[0m${suffix}${os.EOL}`);
 }

Original file line number	Diff line number	Diff line change
`@@ -12,8 +12,9 @@ function emit(data) {`
`12`	`12`	`}`
`13`	`13`
`14`	`14`	`function pos(label, color = '33', prefix = '', suffix = '') {`
`15`		`- const stack = (new Error()).stack;`
`16`		`- let tmp = stack.split('\n');`
	`15`	`+ let err = {};`
	`16`	`+ Error.captureStackTrace(err);`
	`17`	`+ let tmp = err.stack.split('\n');`
`17`	`18`	`let local = tmp[3].indexOf('at Object.jump') > -1 ? tmp[4] : tmp[3];`
`18`	`19`	process.stdout.write(`${prefix}\x1b[${color}m${label} ${local.trim()}\x1b[0m${suffix}${os.EOL}`);
`19`	`20`	`}`