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Utilities for all Sentry JavaScript SDKs
{"version":3,"file":"misc.js","sources":["../../src/misc.ts"],"sourcesContent":["/* eslint-disable @typescript-eslint/no-explicit-any */\nimport type { Event, Exception, Mechanism, StackFrame } from '@sentry/types';\n\nimport { addNonEnumerableProperty } from './object';\nimport { snipLine } from './string';\nimport { GLOBAL_OBJ } from './worldwide';\n\ninterface CryptoInternal {\n getRandomValues(array: Uint8Array): Uint8Array;\n randomUUID?(): string;\n}\n\n/** An interface for common properties on global */\ninterface CryptoGlobal {\n msCrypto?: CryptoInternal;\n crypto?: CryptoInternal;\n}\n\n/**\n * UUID4 generator\n *\n * @returns string Generated UUID4.\n */\nexport function uuid4(): string {\n const gbl = GLOBAL_OBJ as typeof GLOBAL_OBJ & CryptoGlobal;\n const crypto = gbl.crypto || gbl.msCrypto;\n\n let getRandomByte = (): number => Math.random() * 16;\n try {\n if (crypto && crypto.randomUUID) {\n return crypto.randomUUID().replace(/-/g, '');\n }\n if (crypto && crypto.getRandomValues) {\n getRandomByte = () => {\n // crypto.getRandomValues might return undefined instead of the typed array\n // in old Chromium versions (e.g. 23.0.1235.0 (151422))\n // However, `typedArray` is still filled in-place.\n // @see https://developer.mozilla.org/en-US/docs/Web/API/Crypto/getRandomValues#typedarray\n const typedArray = new Uint8Array(1);\n crypto.getRandomValues(typedArray);\n // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n return typedArray[0]!;\n };\n }\n } catch (_) {\n // some runtimes can crash invoking crypto\n // https://github.com/getsentry/sentry-javascript/issues/8935\n }\n\n // http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/2117523#2117523\n // Concatenating the following numbers as strings results in '10000000100040008000100000000000'\n return (([1e7] as unknown as string) + 1e3 + 4e3 + 8e3 + 1e11).replace(/[018]/g, c =>\n // eslint-disable-next-line no-bitwise\n ((c as unknown as number) ^ ((getRandomByte() & 15) >> ((c as unknown as number) / 4))).toString(16),\n );\n}\n\nfunction getFirstException(event: Event): Exception | undefined {\n return event.exception && event.exception.values ? event.exception.values[0] : undefined;\n}\n\n/**\n * Extracts either message or type+value from an event that can be used for user-facing logs\n * @returns event's description\n */\nexport function getEventDescription(event: Event): string {\n const { message, event_id: eventId } = event;\n if (message) {\n return message;\n }\n\n const firstException = getFirstException(event);\n if (firstException) {\n if (firstException.type && firstException.value) {\n return `${firstException.type}: ${firstException.value}`;\n }\n return firstException.type || firstException.value || eventId || '';\n }\n return eventId || '';\n}\n\n/**\n * Adds exception values, type and value to an synthetic Exception.\n * @param event The event to modify.\n * @param value Value of the exception.\n * @param type Type of the exception.\n * @hidden\n */\nexport function addExceptionTypeValue(event: Event, value?: string, type?: string): void {\n const exception = (event.exception = event.exception || {});\n const values = (exception.values = exception.values || []);\n const firstException = (values[0] = values[0] || {});\n if (!firstException.value) {\n firstException.value = value || '';\n }\n if (!firstException.type) {\n firstException.type = type || 'Error';\n }\n}\n\n/**\n * Adds exception mechanism data to a given event. Uses defaults if the second parameter is not passed.\n *\n * @param event The event to modify.\n * @param newMechanism Mechanism data to add to the event.\n * @hidden\n */\nexport function addExceptionMechanism(event: Event, newMechanism?: Partial): void {\n const firstException = getFirstException(event);\n if (!firstException) {\n return;\n }\n\n const defaultMechanism = { type: 'generic', handled: true };\n const currentMechanism = firstException.mechanism;\n firstException.mechanism = { ...defaultMechanism, ...currentMechanism, ...newMechanism };\n\n if (newMechanism && 'data' in newMechanism) {\n const mergedData = { ...(currentMechanism && currentMechanism.data), ...newMechanism.data };\n firstException.mechanism.data = mergedData;\n }\n}\n\n// https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string\nconst SEMVER_REGEXP =\n /^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?$/;\n\n/**\n * Represents Semantic Versioning object\n */\ninterface SemVer {\n major?: number;\n minor?: number;\n patch?: number;\n prerelease?: string;\n buildmetadata?: string;\n}\n\nfunction _parseInt(input: string | undefined): number {\n return parseInt(input || '', 10);\n}\n\n/**\n * Parses input into a SemVer interface\n * @param input string representation of a semver version\n */\nexport function parseSemver(input: string): SemVer {\n const match = input.match(SEMVER_REGEXP) || [];\n const major = _parseInt(match[1]);\n const minor = _parseInt(match[2]);\n const patch = _parseInt(match[3]);\n return {\n buildmetadata: match[5],\n major: isNaN(major) ? undefined : major,\n minor: isNaN(minor) ? undefined : minor,\n patch: isNaN(patch) ? undefined : patch,\n prerelease: match[4],\n };\n}\n\n/**\n * This function adds context (pre/post/line) lines to the provided frame\n *\n * @param lines string[] containing all lines\n * @param frame StackFrame that will be mutated\n * @param linesOfContext number of context lines we want to add pre/post\n */\nexport function addContextToFrame(lines: string[], frame: StackFrame, linesOfContext: number = 5): void {\n // When there is no line number in the frame, attaching context is nonsensical and will even break grouping\n if (frame.lineno === undefined) {\n return;\n }\n\n const maxLines = lines.length;\n const sourceLine = Math.max(Math.min(maxLines - 1, frame.lineno - 1), 0);\n\n frame.pre_context = lines\n .slice(Math.max(0, sourceLine - linesOfContext), sourceLine)\n .map((line: string) => snipLine(line, 0));\n\n // We guard here to ensure this is not larger than the existing number of lines\n const lineIndex = Math.min(maxLines - 1, sourceLine);\n\n // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n frame.context_line = snipLine(lines[lineIndex]!, frame.colno || 0);\n\n frame.post_context = lines\n .slice(Math.min(sourceLine + 1, maxLines), sourceLine + 1 + linesOfContext)\n .map((line: string) => snipLine(line, 0));\n}\n\n/**\n * Checks whether or not we've already captured the given exception (note: not an identical exception - the very object\n * in question), and marks it captured if not.\n *\n * This is useful because it's possible for an error to get captured by more than one mechanism. After we intercept and\n * record an error, we rethrow it (assuming we've intercepted it before it's reached the top-level global handlers), so\n * that we don't interfere with whatever effects the error might have had were the SDK not there. At that point, because\n * the error has been rethrown, it's possible for it to bubble up to some other code we've instrumented. If it's not\n * caught after that, it will bubble all the way up to the global handlers (which of course we also instrument). This\n * function helps us ensure that even if we encounter the same error more than once, we only record it the first time we\n * see it.\n *\n * Note: It will ignore primitives (always return `false` and not mark them as seen), as properties can't be set on\n * them. {@link: Object.objectify} can be used on exceptions to convert any that are primitives into their equivalent\n * object wrapper forms so that this check will always work. However, because we need to flag the exact object which\n * will get rethrown, and because that rethrowing happens outside of the event processing pipeline, the objectification\n * must be done before the exception captured.\n *\n * @param A thrown exception to check or flag as having been seen\n * @returns `true` if the exception has already been captured, `false` if not (with the side effect of marking it seen)\n */\nexport function checkOrSetAlreadyCaught(exception: unknown): boolean {\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n if (exception && (exception as any).__sentry_captured__) {\n return true;\n }\n\n try {\n // set it this way rather than by assignment so that it's not ennumerable and therefore isn't recorded by the\n // `ExtraErrorData` integration\n addNonEnumerableProperty(exception as { [key: string]: unknown }, '__sentry_captured__', true);\n } catch (err) {\n // `exception` is a primitive, so we can't mark it seen\n }\n\n return 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