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Switch to native Node.js source map support (#267)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,4 @@ | ||
| export * from "./format"; | ||
| export * from "./stack"; | ||
| export * from "./test"; | ||
| export * from "./types"; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| /** | ||
| * @internal | ||
| */ | ||
| export function* stack(error: Error): Iterable<Frame> { | ||
| const frames = error | ||
| .stack!.split("\n") | ||
| .slice(1) | ||
| .map((frame) => frame.trim()); | ||
|
|
||
| for (let i = 0, n = frames.length; i < n; i++) { | ||
| const frame = frames[i]; | ||
|
|
||
| // If the frame doesn't contain a location reference, skip the frame. | ||
| if (!/(\d+:\d+)/.test(frame)) { | ||
| continue; | ||
| } | ||
|
|
||
| // If the next frame contains a source mapping for the current frame as | ||
| // indicated by an arrow, skip the frame. | ||
| if (i + 1 < n && frames[i + 1].startsWith("->")) { | ||
| continue; | ||
| } | ||
|
|
||
| // Sanitize the frame and split it on colons. This will group the frame into | ||
| // 3 separate parts: The file, the line, and the column. | ||
| const parts = frame | ||
| .replace("(", "") | ||
| .replace(")", "") | ||
| .replace("->", "") | ||
| .split(":") | ||
| .map((part) => part.trim()); | ||
|
|
||
| // The part containing the file may contain other things as well that we | ||
| // need to remove so we grab everything from the last space character and | ||
| // cut off the rest. | ||
| parts[0] = parts[0].substring(parts[0].lastIndexOf(" ") + 1); | ||
|
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| const [file, line, column] = parts; | ||
|
|
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| yield { | ||
| type: file.startsWith("internal") ? "internal" : "user", | ||
| file, | ||
| line: +line, | ||
| column: +column, | ||
| }; | ||
| } | ||
| } | ||
|
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| type Frame = Frame.Native | Frame.Internal | Frame.User; | ||
|
|
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| namespace Frame { | ||
| export interface Native { | ||
| type: "native"; | ||
| } | ||
|
|
||
| export interface Internal { | ||
| type: "internal"; | ||
| file: string; | ||
| line: number; | ||
| column: number; | ||
| } | ||
|
|
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| export interface User { | ||
| type: "user"; | ||
| file: string; | ||
| line: number; | ||
| column: number; | ||
| } | ||
| } |
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