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frame.fileName.substr(7) : frame.fileName || '',\n function: getFunction(frame),\n lineno: frame.lineNumber,\n };\n\n const isInternal =\n frame.native ||\n (parsedFrame.filename &&\n !parsedFrame.filename.startsWith('/') &&\n !parsedFrame.filename.startsWith('.') &&\n parsedFrame.filename.indexOf(':\\\\') !== 1);\n\n // in_app is all that's not an internal Node function or a module within node_modules\n // note that isNative appears to return true even for node core libraries\n // see https://github.com/getsentry/raven-node/issues/176\n parsedFrame.in_app =\n !isInternal && parsedFrame.filename !== undefined && parsedFrame.filename.indexOf('node_modules/') === -1;\n\n // Extract a module name based on the filename\n if (parsedFrame.filename) {\n parsedFrame.module = getModule(parsedFrame.filename);\n\n if (!isInternal && linesOfContext > 0 && filesToRead.indexOf(parsedFrame.filename) === -1) {\n filesToRead.push(parsedFrame.filename);\n }\n }\n\n return parsedFrame;\n });\n\n // We do an early return if we do not want to fetch context liens\n if (linesOfContext <= 0) {\n return SyncPromise.resolve(frames);\n }\n\n try {\n return addPrePostContext(filesToRead, frames, linesOfContext);\n } catch (_) {\n // This happens in electron for example where we are not able to read files from asar.\n // So it's fine, we recover be just returning all frames without pre/post context.\n return SyncPromise.resolve(frames);\n }\n}\n\n/**\n * This function tries to read the source files + adding pre and post context (source code)\n * to a frame.\n * @param filesToRead string[] of filepaths\n * @param frames StackFrame[] containg all frames\n */\nfunction addPrePostContext(\n filesToRead: string[],\n frames: StackFrame[],\n linesOfContext: number,\n): PromiseLike<StackFrame[]> {\n return new SyncPromise<StackFrame[]>(resolve =>\n readSourceFiles(filesToRead).then(sourceFiles => {\n const result = frames.map(frame => {\n if (frame.filename && sourceFiles[frame.filename]) {\n try {\n const lines = (sourceFiles[frame.filename] as string).split('\\n');\n\n addContextToFrame(lines, frame, linesOfContext);\n } catch (e) {\n // anomaly, being defensive in case\n // unlikely to ever happen in practice but can definitely happen in theory\n }\n }\n return frame;\n });\n\n resolve(result);\n }),\n );\n}\n\n/**\n * @hidden\n */\nexport function getExceptionFromError(error: Error, options?: NodeOptions): PromiseLike<Exception> {\n const name = error.name || error.constructor.name;\n const stack = extractStackFromError(error);\n return new SyncPromise<Exception>(resolve =>\n parseStack(stack, options).then(frames => {\n const result = {\n stacktrace: {\n frames: prepareFramesForEvent(frames),\n },\n type: name,\n value: error.message,\n };\n resolve(result);\n }),\n );\n}\n\n/**\n * @hidden\n */\nexport function parseError(error: ExtendedError, options?: NodeOptions): PromiseLike<Event> {\n return new SyncPromise<Event>(resolve =>\n getExceptionFromError(error, options).then((exception: Exception) => {\n resolve({\n exception: {\n values: [exception],\n },\n });\n }),\n );\n}\n\n/**\n * @hidden\n */\nexport function prepareFramesForEvent(stack: StackFrame[]): StackFrame[] {\n if (!stack || !stack.length) {\n return [];\n }\n\n let localStack = stack;\n const firstFrameFunction = localStack[0].function || '';\n\n if (firstFrameFunction.indexOf('captureMessage') !== -1 || firstFrameFunction.indexOf('captureException') !== -1) {\n localStack = localStack.slice(1);\n }\n\n // The frame where the crash happened, should be the last entry in the array\n return localStack.reverse();\n}\n"]} |