31 lines
861 B
JavaScript
31 lines
861 B
JavaScript
/* monkey-patch console.log to prefix with file/line-number */
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if (process.env.LOG_LINE) {
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let cwd = process.cwd(),
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cwdRe = new RegExp("^[^/]*" + cwd.replace("/", "\\/") + "\/([^:]*:[0-9]*).*$");
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[ "log", "warn", "error" ].forEach(function(method) {
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console[method] = (function () {
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let orig = console[method];
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return function () {
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function getErrorObject() {
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try {
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throw Error('');
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} catch (err) {
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return err;
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}
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}
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let err = getErrorObject(),
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caller_line = err.stack.split("\n")[4],
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args = [caller_line.replace(cwdRe, "$1 -")];
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/* arguments.unshift() doesn't exist... */
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for (var i = 0; i < arguments.length; i++) {
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args.push(arguments[i]);
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}
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orig.apply(this, args);
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};
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})();
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});
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}
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