45 lines
1.3 KiB
Plaintext
45 lines
1.3 KiB
Plaintext
/**
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* Get original stacktrace without source map support the most performant way.
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* - Create only 1 stack frame.
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* - Rewrite prepareStackTrace to bypass "support-stack-trace" (usually takes ~250ms).
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*/
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function createSimpleStackTrace(options) {
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const { message = "$$stack trace error", stackTraceLimit = 1 } = options || {};
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const limit = Error.stackTraceLimit;
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const prepareStackTrace = Error.prepareStackTrace;
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Error.stackTraceLimit = stackTraceLimit;
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Error.prepareStackTrace = (e) => e.stack;
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const err = new Error(message);
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const stackTrace = err.stack || "";
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Error.prepareStackTrace = prepareStackTrace;
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Error.stackTraceLimit = limit;
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return stackTrace;
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}
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function filterOutComments(s) {
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const result = [];
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let commentState = "none";
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for (let i = 0; i < s.length; ++i) {
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if (commentState === "singleline") {
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if (s[i] === "\n") {
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commentState = "none";
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}
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} else if (commentState === "multiline") {
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if (s[i - 1] === "*" && s[i] === "/") {
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commentState = "none";
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}
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} else if (commentState === "none") {
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if (s[i] === "/" && s[i + 1] === "/") {
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commentState = "singleline";
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} else if (s[i] === "/" && s[i + 1] === "*") {
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commentState = "multiline";
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i += 2;
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} else {
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result.push(s[i]);
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}
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}
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}
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return result.join("");
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}
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export { createSimpleStackTrace as c, filterOutComments as f };
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