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import { notNullish, isPrimitive } from './helpers.js'; | |
function normalizeWindowsPath(input = "") { | |
if (!input || !input.includes("\\")) { | |
return input; | |
} | |
return input.replace(/\\/g, "/"); | |
} | |
const _IS_ABSOLUTE_RE = /^[/\\](?![/\\])|^[/\\]{2}(?!\.)|^[A-Za-z]:[/\\]/; | |
function cwd() { | |
if (typeof process !== "undefined") { | |
return process.cwd().replace(/\\/g, "/"); | |
} | |
return "/"; | |
} | |
const resolve$2 = function(...arguments_) { | |
arguments_ = arguments_.map((argument) => normalizeWindowsPath(argument)); | |
let resolvedPath = ""; | |
let resolvedAbsolute = false; | |
for (let index = arguments_.length - 1; index >= -1 && !resolvedAbsolute; index--) { | |
const path = index >= 0 ? arguments_[index] : cwd(); | |
if (!path || path.length === 0) { | |
continue; | |
} | |
resolvedPath = `${path}/${resolvedPath}`; | |
resolvedAbsolute = isAbsolute(path); | |
} | |
resolvedPath = normalizeString(resolvedPath, !resolvedAbsolute); | |
if (resolvedAbsolute && !isAbsolute(resolvedPath)) { | |
return `/${resolvedPath}`; | |
} | |
return resolvedPath.length > 0 ? resolvedPath : "."; | |
}; | |
function normalizeString(path, allowAboveRoot) { | |
let res = ""; | |
let lastSegmentLength = 0; | |
let lastSlash = -1; | |
let dots = 0; | |
let char = null; | |
for (let index = 0; index <= path.length; ++index) { | |
if (index < path.length) { | |
char = path[index]; | |
} else if (char === "/") { | |
break; | |
} else { | |
char = "/"; | |
} | |
if (char === "/") { | |
if (lastSlash === index - 1 || dots === 1) ; else if (dots === 2) { | |
if (res.length < 2 || lastSegmentLength !== 2 || res[res.length - 1] !== "." || res[res.length - 2] !== ".") { | |
if (res.length > 2) { | |
const lastSlashIndex = res.lastIndexOf("/"); | |
if (lastSlashIndex === -1) { | |
res = ""; | |
lastSegmentLength = 0; | |
} else { | |
res = res.slice(0, lastSlashIndex); | |
lastSegmentLength = res.length - 1 - res.lastIndexOf("/"); | |
} | |
lastSlash = index; | |
dots = 0; | |
continue; | |
} else if (res.length > 0) { | |
res = ""; | |
lastSegmentLength = 0; | |
lastSlash = index; | |
dots = 0; | |
continue; | |
} | |
} | |
if (allowAboveRoot) { | |
res += res.length > 0 ? "/.." : ".."; | |
lastSegmentLength = 2; | |
} | |
} else { | |
if (res.length > 0) { | |
res += `/${path.slice(lastSlash + 1, index)}`; | |
} else { | |
res = path.slice(lastSlash + 1, index); | |
} | |
lastSegmentLength = index - lastSlash - 1; | |
} | |
lastSlash = index; | |
dots = 0; | |
} else if (char === "." && dots !== -1) { | |
++dots; | |
} else { | |
dots = -1; | |
} | |
} | |
return res; | |
} | |
const isAbsolute = function(p) { | |
return _IS_ABSOLUTE_RE.test(p); | |
}; | |
const comma = ','.charCodeAt(0); | |
const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; | |
const intToChar = new Uint8Array(64); // 64 possible chars. | |
const charToInt = new Uint8Array(128); // z is 122 in ASCII | |
for (let i = 0; i < chars.length; i++) { | |
const c = chars.charCodeAt(i); | |
intToChar[i] = c; | |
charToInt[c] = i; | |
} | |
function decode(mappings) { | |
const state = new Int32Array(5); | |
const decoded = []; | |
let index = 0; | |
do { | |
const semi = indexOf(mappings, index); | |
const line = []; | |
let sorted = true; | |
let lastCol = 0; | |
state[0] = 0; | |
for (let i = index; i < semi; i++) { | |
let seg; | |
i = decodeInteger(mappings, i, state, 0); // genColumn | |
const col = state[0]; | |
if (col < lastCol) | |
sorted = false; | |
lastCol = col; | |
if (hasMoreVlq(mappings, i, semi)) { | |
i = decodeInteger(mappings, i, state, 1); // sourcesIndex | |
i = decodeInteger(mappings, i, state, 2); // sourceLine | |
i = decodeInteger(mappings, i, state, 3); // sourceColumn | |
if (hasMoreVlq(mappings, i, semi)) { | |
i = decodeInteger(mappings, i, state, 4); // namesIndex | |
seg = [col, state[1], state[2], state[3], state[4]]; | |
} | |
else { | |
seg = [col, state[1], state[2], state[3]]; | |
} | |
} | |
else { | |
seg = [col]; | |
} | |
line.push(seg); | |
} | |
if (!sorted) | |
sort(line); | |
decoded.push(line); | |
index = semi + 1; | |
} while (index <= mappings.length); | |
return decoded; | |
} | |
function indexOf(mappings, index) { | |
const idx = mappings.indexOf(';', index); | |
return idx === -1 ? mappings.length : idx; | |
} | |
function decodeInteger(mappings, pos, state, j) { | |
let value = 0; | |
let shift = 0; | |
let integer = 0; | |
do { | |
const c = mappings.charCodeAt(pos++); | |
integer = charToInt[c]; | |
value |= (integer & 31) << shift; | |
shift += 5; | |
} while (integer & 32); | |
const shouldNegate = value & 1; | |
value >>>= 1; | |
if (shouldNegate) { | |
value = -0x80000000 | -value; | |
} | |
state[j] += value; | |
return pos; | |
} | |
function hasMoreVlq(mappings, i, length) { | |
if (i >= length) | |
return false; | |
return mappings.charCodeAt(i) !== comma; | |
} | |
function sort(line) { | |
line.sort(sortComparator$1); | |
} | |
function sortComparator$1(a, b) { | |
return a[0] - b[0]; | |
} | |
// Matches the scheme of a URL, eg "http://" | |
const schemeRegex = /^[\w+.-]+:\/\//; | |
/** | |
* Matches the parts of a URL: | |
* 1. Scheme, including ":", guaranteed. | |
* 2. User/password, including "@", optional. | |
* 3. Host, guaranteed. | |
* 4. Port, including ":", optional. | |
* 5. Path, including "/", optional. | |
* 6. Query, including "?", optional. | |
* 7. Hash, including "#", optional. | |
*/ | |
const urlRegex = /^([\w+.-]+:)\/\/([^@/#?]*@)?([^:/#?]*)(:\d+)?(\/[^#?]*)?(\?[^#]*)?(#.*)?/; | |
/** | |
* File URLs are weird. They dont' need the regular `//` in the scheme, they may or may not start | |
* with a leading `/`, they can have a domain (but only if they don't start with a Windows drive). | |
* | |
* 1. Host, optional. | |
* 2. Path, which may include "/", guaranteed. | |
* 3. Query, including "?", optional. | |
* 4. Hash, including "#", optional. | |
*/ | |
const fileRegex = /^file:(?:\/\/((?![a-z]:)[^/#?]*)?)?(\/?[^#?]*)(\?[^#]*)?(#.*)?/i; | |
var UrlType; | |
(function (UrlType) { | |
UrlType[UrlType["Empty"] = 1] = "Empty"; | |
UrlType[UrlType["Hash"] = 2] = "Hash"; | |
UrlType[UrlType["Query"] = 3] = "Query"; | |
UrlType[UrlType["RelativePath"] = 4] = "RelativePath"; | |
UrlType[UrlType["AbsolutePath"] = 5] = "AbsolutePath"; | |
UrlType[UrlType["SchemeRelative"] = 6] = "SchemeRelative"; | |
UrlType[UrlType["Absolute"] = 7] = "Absolute"; | |
})(UrlType || (UrlType = {})); | |
function isAbsoluteUrl(input) { | |
return schemeRegex.test(input); | |
} | |
function isSchemeRelativeUrl(input) { | |
return input.startsWith('//'); | |
} | |
function isAbsolutePath(input) { | |
return input.startsWith('/'); | |
} | |
function isFileUrl(input) { | |
return input.startsWith('file:'); | |
} | |
function isRelative(input) { | |
return /^[.?#]/.test(input); | |
} | |
function parseAbsoluteUrl(input) { | |
const match = urlRegex.exec(input); | |
return makeUrl(match[1], match[2] || '', match[3], match[4] || '', match[5] || '/', match[6] || '', match[7] || ''); | |
} | |
function parseFileUrl(input) { | |
const match = fileRegex.exec(input); | |
const path = match[2]; | |
return makeUrl('file:', '', match[1] || '', '', isAbsolutePath(path) ? path : '/' + path, match[3] || '', match[4] || ''); | |
} | |
function makeUrl(scheme, user, host, port, path, query, hash) { | |
return { | |
scheme, | |
user, | |
host, | |
port, | |
path, | |
query, | |
hash, | |
type: UrlType.Absolute, | |
}; | |
} | |
function parseUrl(input) { | |
if (isSchemeRelativeUrl(input)) { | |
const url = parseAbsoluteUrl('http:' + input); | |
url.scheme = ''; | |
url.type = UrlType.SchemeRelative; | |
return url; | |
} | |
if (isAbsolutePath(input)) { | |
const url = parseAbsoluteUrl('http://foo.com' + input); | |
url.scheme = ''; | |
url.host = ''; | |
url.type = UrlType.AbsolutePath; | |
return url; | |
} | |
if (isFileUrl(input)) | |
return parseFileUrl(input); | |
if (isAbsoluteUrl(input)) | |
return parseAbsoluteUrl(input); | |
const url = parseAbsoluteUrl('http://foo.com/' + input); | |
url.scheme = ''; | |
url.host = ''; | |
url.type = input | |
? input.startsWith('?') | |
? UrlType.Query | |
: input.startsWith('#') | |
? UrlType.Hash | |
: UrlType.RelativePath | |
: UrlType.Empty; | |
return url; | |
} | |
function stripPathFilename(path) { | |
// If a path ends with a parent directory "..", then it's a relative path with excess parent | |
// paths. It's not a file, so we can't strip it. | |
if (path.endsWith('/..')) | |
return path; | |
const index = path.lastIndexOf('/'); | |
return path.slice(0, index + 1); | |
} | |
function mergePaths(url, base) { | |
normalizePath(base, base.type); | |
// If the path is just a "/", then it was an empty path to begin with (remember, we're a relative | |
// path). | |
if (url.path === '/') { | |
url.path = base.path; | |
} | |
else { | |
// Resolution happens relative to the base path's directory, not the file. | |
url.path = stripPathFilename(base.path) + url.path; | |
} | |
} | |
/** | |
* The path can have empty directories "//", unneeded parents "foo/..", or current directory | |
* "foo/.". We need to normalize to a standard representation. | |
*/ | |
function normalizePath(url, type) { | |
const rel = type <= UrlType.RelativePath; | |
const pieces = url.path.split('/'); | |
// We need to preserve the first piece always, so that we output a leading slash. The item at | |
// pieces[0] is an empty string. | |
let pointer = 1; | |
// Positive is the number of real directories we've output, used for popping a parent directory. | |
// Eg, "foo/bar/.." will have a positive 2, and we can decrement to be left with just "foo". | |
let positive = 0; | |
// We need to keep a trailing slash if we encounter an empty directory (eg, splitting "foo/" will | |
// generate `["foo", ""]` pieces). And, if we pop a parent directory. But once we encounter a | |
// real directory, we won't need to append, unless the other conditions happen again. | |
let addTrailingSlash = false; | |
for (let i = 1; i < pieces.length; i++) { | |
const piece = pieces[i]; | |
// An empty directory, could be a trailing slash, or just a double "//" in the path. | |
if (!piece) { | |
addTrailingSlash = true; | |
continue; | |
} | |
// If we encounter a real directory, then we don't need to append anymore. | |
addTrailingSlash = false; | |
// A current directory, which we can always drop. | |
if (piece === '.') | |
continue; | |
// A parent directory, we need to see if there are any real directories we can pop. Else, we | |
// have an excess of parents, and we'll need to keep the "..". | |
if (piece === '..') { | |
if (positive) { | |
addTrailingSlash = true; | |
positive--; | |
pointer--; | |
} | |
else if (rel) { | |
// If we're in a relativePath, then we need to keep the excess parents. Else, in an absolute | |
// URL, protocol relative URL, or an absolute path, we don't need to keep excess. | |
pieces[pointer++] = piece; | |
} | |
continue; | |
} | |
// We've encountered a real directory. Move it to the next insertion pointer, which accounts for | |
// any popped or dropped directories. | |
pieces[pointer++] = piece; | |
positive++; | |
} | |
let path = ''; | |
for (let i = 1; i < pointer; i++) { | |
path += '/' + pieces[i]; | |
} | |
if (!path || (addTrailingSlash && !path.endsWith('/..'))) { | |
path += '/'; | |
} | |
url.path = path; | |
} | |
/** | |
* Attempts to resolve `input` URL/path relative to `base`. | |
*/ | |
function resolve$1(input, base) { | |
if (!input && !base) | |
return ''; | |
const url = parseUrl(input); | |
let inputType = url.type; | |
if (base && inputType !== UrlType.Absolute) { | |
const baseUrl = parseUrl(base); | |
const baseType = baseUrl.type; | |
switch (inputType) { | |
case UrlType.Empty: | |
url.hash = baseUrl.hash; | |
// fall through | |
case UrlType.Hash: | |
url.query = baseUrl.query; | |
// fall through | |
case UrlType.Query: | |
case UrlType.RelativePath: | |
mergePaths(url, baseUrl); | |
// fall through | |
case UrlType.AbsolutePath: | |
// The host, user, and port are joined, you can't copy one without the others. | |
url.user = baseUrl.user; | |
url.host = baseUrl.host; | |
url.port = baseUrl.port; | |
// fall through | |
case UrlType.SchemeRelative: | |
// The input doesn't have a schema at least, so we need to copy at least that over. | |
url.scheme = baseUrl.scheme; | |
} | |
if (baseType > inputType) | |
inputType = baseType; | |
} | |
normalizePath(url, inputType); | |
const queryHash = url.query + url.hash; | |
switch (inputType) { | |
// This is impossible, because of the empty checks at the start of the function. | |
// case UrlType.Empty: | |
case UrlType.Hash: | |
case UrlType.Query: | |
return queryHash; | |
case UrlType.RelativePath: { | |
// The first char is always a "/", and we need it to be relative. | |
const path = url.path.slice(1); | |
if (!path) | |
return queryHash || '.'; | |
if (isRelative(base || input) && !isRelative(path)) { | |
// If base started with a leading ".", or there is no base and input started with a ".", | |
// then we need to ensure that the relative path starts with a ".". We don't know if | |
// relative starts with a "..", though, so check before prepending. | |
return './' + path + queryHash; | |
} | |
return path + queryHash; | |
} | |
case UrlType.AbsolutePath: | |
return url.path + queryHash; | |
default: | |
return url.scheme + '//' + url.user + url.host + url.port + url.path + queryHash; | |
} | |
} | |
function resolve(input, base) { | |
// The base is always treated as a directory, if it's not empty. | |
// https://github.com/mozilla/source-map/blob/8cb3ee57/lib/util.js#L327 | |
// https://github.com/chromium/chromium/blob/da4adbb3/third_party/blink/renderer/devtools/front_end/sdk/SourceMap.js#L400-L401 | |
if (base && !base.endsWith('/')) | |
base += '/'; | |
return resolve$1(input, base); | |
} | |
/** | |
* Removes everything after the last "/", but leaves the slash. | |
*/ | |
function stripFilename(path) { | |
if (!path) | |
return ''; | |
const index = path.lastIndexOf('/'); | |
return path.slice(0, index + 1); | |
} | |
const COLUMN = 0; | |
const SOURCES_INDEX = 1; | |
const SOURCE_LINE = 2; | |
const SOURCE_COLUMN = 3; | |
const NAMES_INDEX = 4; | |
const REV_GENERATED_LINE = 1; | |
const REV_GENERATED_COLUMN = 2; | |
function maybeSort(mappings, owned) { | |
const unsortedIndex = nextUnsortedSegmentLine(mappings, 0); | |
if (unsortedIndex === mappings.length) | |
return mappings; | |
// If we own the array (meaning we parsed it from JSON), then we're free to directly mutate it. If | |
// not, we do not want to modify the consumer's input array. | |
if (!owned) | |
mappings = mappings.slice(); | |
for (let i = unsortedIndex; i < mappings.length; i = nextUnsortedSegmentLine(mappings, i + 1)) { | |
mappings[i] = sortSegments(mappings[i], owned); | |
} | |
return mappings; | |
} | |
function nextUnsortedSegmentLine(mappings, start) { | |
for (let i = start; i < mappings.length; i++) { | |
if (!isSorted(mappings[i])) | |
return i; | |
} | |
return mappings.length; | |
} | |
function isSorted(line) { | |
for (let j = 1; j < line.length; j++) { | |
if (line[j][COLUMN] < line[j - 1][COLUMN]) { | |
return false; | |
} | |
} | |
return true; | |
} | |
function sortSegments(line, owned) { | |
if (!owned) | |
line = line.slice(); | |
return line.sort(sortComparator); | |
} | |
function sortComparator(a, b) { | |
return a[COLUMN] - b[COLUMN]; | |
} | |
let found = false; | |
/** | |
* A binary search implementation that returns the index if a match is found. | |
* If no match is found, then the left-index (the index associated with the item that comes just | |
* before the desired index) is returned. To maintain proper sort order, a splice would happen at | |
* the next index: | |
* | |
* ```js | |
* const array = [1, 3]; | |
* const needle = 2; | |
* const index = binarySearch(array, needle, (item, needle) => item - needle); | |
* | |
* assert.equal(index, 0); | |
* array.splice(index + 1, 0, needle); | |
* assert.deepEqual(array, [1, 2, 3]); | |
* ``` | |
*/ | |
function binarySearch(haystack, needle, low, high) { | |
while (low <= high) { | |
const mid = low + ((high - low) >> 1); | |
const cmp = haystack[mid][COLUMN] - needle; | |
if (cmp === 0) { | |
found = true; | |
return mid; | |
} | |
if (cmp < 0) { | |
low = mid + 1; | |
} | |
else { | |
high = mid - 1; | |
} | |
} | |
found = false; | |
return low - 1; | |
} | |
function upperBound(haystack, needle, index) { | |
for (let i = index + 1; i < haystack.length; index = i++) { | |
if (haystack[i][COLUMN] !== needle) | |
break; | |
} | |
return index; | |
} | |
function lowerBound(haystack, needle, index) { | |
for (let i = index - 1; i >= 0; index = i--) { | |
if (haystack[i][COLUMN] !== needle) | |
break; | |
} | |
return index; | |
} | |
function memoizedState() { | |
return { | |
lastKey: -1, | |
lastNeedle: -1, | |
lastIndex: -1, | |
}; | |
} | |
/** | |
* This overly complicated beast is just to record the last tested line/column and the resulting | |
* index, allowing us to skip a few tests if mappings are monotonically increasing. | |
*/ | |
function memoizedBinarySearch(haystack, needle, state, key) { | |
const { lastKey, lastNeedle, lastIndex } = state; | |
let low = 0; | |
let high = haystack.length - 1; | |
if (key === lastKey) { | |
if (needle === lastNeedle) { | |
found = lastIndex !== -1 && haystack[lastIndex][COLUMN] === needle; | |
return lastIndex; | |
} | |
if (needle >= lastNeedle) { | |
// lastIndex may be -1 if the previous needle was not found. | |
low = lastIndex === -1 ? 0 : lastIndex; | |
} | |
else { | |
high = lastIndex; | |
} | |
} | |
state.lastKey = key; | |
state.lastNeedle = needle; | |
return (state.lastIndex = binarySearch(haystack, needle, low, high)); | |
} | |
// Rebuilds the original source files, with mappings that are ordered by source line/column instead | |
// of generated line/column. | |
function buildBySources(decoded, memos) { | |
const sources = memos.map(buildNullArray); | |
for (let i = 0; i < decoded.length; i++) { | |
const line = decoded[i]; | |
for (let j = 0; j < line.length; j++) { | |
const seg = line[j]; | |
if (seg.length === 1) | |
continue; | |
const sourceIndex = seg[SOURCES_INDEX]; | |
const sourceLine = seg[SOURCE_LINE]; | |
const sourceColumn = seg[SOURCE_COLUMN]; | |
const originalSource = sources[sourceIndex]; | |
const originalLine = (originalSource[sourceLine] || (originalSource[sourceLine] = [])); | |
const memo = memos[sourceIndex]; | |
// The binary search either found a match, or it found the left-index just before where the | |
// segment should go. Either way, we want to insert after that. And there may be multiple | |
// generated segments associated with an original location, so there may need to move several | |
// indexes before we find where we need to insert. | |
const index = upperBound(originalLine, sourceColumn, memoizedBinarySearch(originalLine, sourceColumn, memo, sourceLine)); | |
insert(originalLine, (memo.lastIndex = index + 1), [sourceColumn, i, seg[COLUMN]]); | |
} | |
} | |
return sources; | |
} | |
function insert(array, index, value) { | |
for (let i = array.length; i > index; i--) { | |
array[i] = array[i - 1]; | |
} | |
array[index] = value; | |
} | |
// Null arrays allow us to use ordered index keys without actually allocating contiguous memory like | |
// a real array. We use a null-prototype object to avoid prototype pollution and deoptimizations. | |
// Numeric properties on objects are magically sorted in ascending order by the engine regardless of | |
// the insertion order. So, by setting any numeric keys, even out of order, we'll get ascending | |
// order when iterating with for-in. | |
function buildNullArray() { | |
return { __proto__: null }; | |
} | |
const LINE_GTR_ZERO = '`line` must be greater than 0 (lines start at line 1)'; | |
const COL_GTR_EQ_ZERO = '`column` must be greater than or equal to 0 (columns start at column 0)'; | |
const LEAST_UPPER_BOUND = -1; | |
const GREATEST_LOWER_BOUND = 1; | |
/** | |
* Returns the decoded (array of lines of segments) form of the SourceMap's mappings field. | |
*/ | |
let decodedMappings; | |
/** | |
* A higher-level API to find the source/line/column associated with a generated line/column | |
* (think, from a stack trace). Line is 1-based, but column is 0-based, due to legacy behavior in | |
* `source-map` library. | |
*/ | |
let originalPositionFor; | |
/** | |
* Finds the generated line/column position of the provided source/line/column source position. | |
*/ | |
let generatedPositionFor; | |
class TraceMap { | |
constructor(map, mapUrl) { | |
const isString = typeof map === 'string'; | |
if (!isString && map._decodedMemo) | |
return map; | |
const parsed = (isString ? JSON.parse(map) : map); | |
const { version, file, names, sourceRoot, sources, sourcesContent } = parsed; | |
this.version = version; | |
this.file = file; | |
this.names = names || []; | |
this.sourceRoot = sourceRoot; | |
this.sources = sources; | |
this.sourcesContent = sourcesContent; | |
const from = resolve(sourceRoot || '', stripFilename(mapUrl)); | |
this.resolvedSources = sources.map((s) => resolve(s || '', from)); | |
const { mappings } = parsed; | |
if (typeof mappings === 'string') { | |
this._encoded = mappings; | |
this._decoded = undefined; | |
} | |
else { | |
this._encoded = undefined; | |
this._decoded = maybeSort(mappings, isString); | |
} | |
this._decodedMemo = memoizedState(); | |
this._bySources = undefined; | |
this._bySourceMemos = undefined; | |
} | |
} | |
(() => { | |
decodedMappings = (map) => { | |
return (map._decoded || (map._decoded = decode(map._encoded))); | |
}; | |
originalPositionFor = (map, { line, column, bias }) => { | |
line--; | |
if (line < 0) | |
throw new Error(LINE_GTR_ZERO); | |
if (column < 0) | |
throw new Error(COL_GTR_EQ_ZERO); | |
const decoded = decodedMappings(map); | |
// It's common for parent source maps to have pointers to lines that have no | |
// mapping (like a "//# sourceMappingURL=") at the end of the child file. | |
if (line >= decoded.length) | |
return OMapping(null, null, null, null); | |
const segments = decoded[line]; | |
const index = traceSegmentInternal(segments, map._decodedMemo, line, column, bias || GREATEST_LOWER_BOUND); | |
if (index === -1) | |
return OMapping(null, null, null, null); | |
const segment = segments[index]; | |
if (segment.length === 1) | |
return OMapping(null, null, null, null); | |
const { names, resolvedSources } = map; | |
return OMapping(resolvedSources[segment[SOURCES_INDEX]], segment[SOURCE_LINE] + 1, segment[SOURCE_COLUMN], segment.length === 5 ? names[segment[NAMES_INDEX]] : null); | |
}; | |
generatedPositionFor = (map, { source, line, column, bias }) => { | |
return generatedPosition(map, source, line, column, bias || GREATEST_LOWER_BOUND, false); | |
}; | |
function generatedPosition(map, source, line, column, bias, all) { | |
line--; | |
if (line < 0) | |
throw new Error(LINE_GTR_ZERO); | |
if (column < 0) | |
throw new Error(COL_GTR_EQ_ZERO); | |
const { sources, resolvedSources } = map; | |
let sourceIndex = sources.indexOf(source); | |
if (sourceIndex === -1) | |
sourceIndex = resolvedSources.indexOf(source); | |
if (sourceIndex === -1) | |
return all ? [] : GMapping(null, null); | |
const generated = (map._bySources || (map._bySources = buildBySources(decodedMappings(map), (map._bySourceMemos = sources.map(memoizedState))))); | |
const segments = generated[sourceIndex][line]; | |
if (segments == null) | |
return all ? [] : GMapping(null, null); | |
const memo = map._bySourceMemos[sourceIndex]; | |
if (all) | |
return sliceGeneratedPositions(segments, memo, line, column, bias); | |
const index = traceSegmentInternal(segments, memo, line, column, bias); | |
if (index === -1) | |
return GMapping(null, null); | |
const segment = segments[index]; | |
return GMapping(segment[REV_GENERATED_LINE] + 1, segment[REV_GENERATED_COLUMN]); | |
} | |
})(); | |
function OMapping(source, line, column, name) { | |
return { source, line, column, name }; | |
} | |
function GMapping(line, column) { | |
return { line, column }; | |
} | |
function traceSegmentInternal(segments, memo, line, column, bias) { | |
let index = memoizedBinarySearch(segments, column, memo, line); | |
if (found) { | |
index = (bias === LEAST_UPPER_BOUND ? upperBound : lowerBound)(segments, column, index); | |
} | |
else if (bias === LEAST_UPPER_BOUND) | |
index++; | |
if (index === -1 || index === segments.length) | |
return -1; | |
return index; | |
} | |
function sliceGeneratedPositions(segments, memo, line, column, bias) { | |
let min = traceSegmentInternal(segments, memo, line, column, GREATEST_LOWER_BOUND); | |
// We ignored the bias when tracing the segment so that we're guarnateed to find the first (in | |
// insertion order) segment that matched. Even if we did respect the bias when tracing, we would | |
// still need to call `lowerBound()` to find the first segment, which is slower than just looking | |
// for the GREATEST_LOWER_BOUND to begin with. The only difference that matters for us is when the | |
// binary search didn't match, in which case GREATEST_LOWER_BOUND just needs to increment to | |
// match LEAST_UPPER_BOUND. | |
if (!found && bias === LEAST_UPPER_BOUND) | |
min++; | |
if (min === -1 || min === segments.length) | |
return []; | |
// We may have found the segment that started at an earlier column. If this is the case, then we | |
// need to slice all generated segments that match _that_ column, because all such segments span | |
// to our desired column. | |
const matchedColumn = found ? column : segments[min][COLUMN]; | |
// The binary search is not guaranteed to find the lower bound when a match wasn't found. | |
if (!found) | |
min = lowerBound(segments, matchedColumn, min); | |
const max = upperBound(segments, matchedColumn, min); | |
const result = []; | |
for (; min <= max; min++) { | |
const segment = segments[min]; | |
result.push(GMapping(segment[REV_GENERATED_LINE] + 1, segment[REV_GENERATED_COLUMN])); | |
} | |
return result; | |
} | |
const CHROME_IE_STACK_REGEXP = /^\s*at .*(\S+:\d+|\(native\))/m; | |
const SAFARI_NATIVE_CODE_REGEXP = /^(eval@)?(\[native code])?$/; | |
const stackIgnorePatterns = [ | |
"node:internal", | |
/\/packages\/\w+\/dist\//, | |
/\/@vitest\/\w+\/dist\//, | |
"/vitest/dist/", | |
"/vitest/src/", | |
"/vite-node/dist/", | |
"/vite-node/src/", | |
"/node_modules/chai/", | |
"/node_modules/tinypool/", | |
"/node_modules/tinyspy/", | |
"/deps/chai.js", | |
/__vitest_browser__/ | |
]; | |
function extractLocation(urlLike) { | |
if (!urlLike.includes(":")) | |
return [urlLike]; | |
const regExp = /(.+?)(?::(\d+))?(?::(\d+))?$/; | |
const parts = regExp.exec(urlLike.replace(/^\(|\)$/g, "")); | |
if (!parts) | |
return [urlLike]; | |
let url = parts[1]; | |
if (url.startsWith("http:") || url.startsWith("https:")) { | |
const urlObj = new URL(url); | |
url = urlObj.pathname; | |
} | |
if (url.startsWith("/@fs/")) { | |
url = url.slice(typeof process !== "undefined" && process.platform === "win32" ? 5 : 4); | |
} | |
return [url, parts[2] || void 0, parts[3] || void 0]; | |
} | |
function parseSingleFFOrSafariStack(raw) { | |
let line = raw.trim(); | |
if (SAFARI_NATIVE_CODE_REGEXP.test(line)) | |
return null; | |
if (line.includes(" > eval")) | |
line = line.replace(/ line (\d+)(?: > eval line \d+)* > eval:\d+:\d+/g, ":$1"); | |
if (!line.includes("@") && !line.includes(":")) | |
return null; | |
const functionNameRegex = /((.*".+"[^@]*)?[^@]*)(?:@)/; | |
const matches = line.match(functionNameRegex); | |
const functionName = matches && matches[1] ? matches[1] : void 0; | |
const [url, lineNumber, columnNumber] = extractLocation(line.replace(functionNameRegex, "")); | |
if (!url || !lineNumber || !columnNumber) | |
return null; | |
return { | |
file: url, | |
method: functionName || "", | |
line: Number.parseInt(lineNumber), | |
column: Number.parseInt(columnNumber) | |
}; | |
} | |
function parseSingleStack(raw) { | |
const line = raw.trim(); | |
if (!CHROME_IE_STACK_REGEXP.test(line)) | |
return parseSingleFFOrSafariStack(line); | |
return parseSingleV8Stack(line); | |
} | |
function parseSingleV8Stack(raw) { | |
let line = raw.trim(); | |
if (!CHROME_IE_STACK_REGEXP.test(line)) | |
return null; | |
if (line.includes("(eval ")) | |
line = line.replace(/eval code/g, "eval").replace(/(\(eval at [^()]*)|(,.*$)/g, ""); | |
let sanitizedLine = line.replace(/^\s+/, "").replace(/\(eval code/g, "(").replace(/^.*?\s+/, ""); | |
const location = sanitizedLine.match(/ (\(.+\)$)/); | |
sanitizedLine = location ? sanitizedLine.replace(location[0], "") : sanitizedLine; | |
const [url, lineNumber, columnNumber] = extractLocation(location ? location[1] : sanitizedLine); | |
let method = location && sanitizedLine || ""; | |
let file = url && ["eval", "<anonymous>"].includes(url) ? void 0 : url; | |
if (!file || !lineNumber || !columnNumber) | |
return null; | |
if (method.startsWith("async ")) | |
method = method.slice(6); | |
if (file.startsWith("file://")) | |
file = file.slice(7); | |
file = resolve$2(file); | |
if (method) | |
method = method.replace(/__vite_ssr_import_\d+__\./g, ""); | |
return { | |
method, | |
file, | |
line: Number.parseInt(lineNumber), | |
column: Number.parseInt(columnNumber) | |
}; | |
} | |
function parseStacktrace(stack, options = {}) { | |
const { ignoreStackEntries = stackIgnorePatterns } = options; | |
let stacks = !CHROME_IE_STACK_REGEXP.test(stack) ? parseFFOrSafariStackTrace(stack) : parseV8Stacktrace(stack); | |
if (ignoreStackEntries.length) | |
stacks = stacks.filter((stack2) => !ignoreStackEntries.some((p) => stack2.file.match(p))); | |
return stacks.map((stack2) => { | |
var _a; | |
const map = (_a = options.getSourceMap) == null ? void 0 : _a.call(options, stack2.file); | |
if (!map || typeof map !== "object" || !map.version) | |
return stack2; | |
const traceMap = new TraceMap(map); | |
const { line, column } = originalPositionFor(traceMap, stack2); | |
if (line != null && column != null) | |
return { ...stack2, line, column }; | |
return stack2; | |
}); | |
} | |
function parseFFOrSafariStackTrace(stack) { | |
return stack.split("\n").map((line) => parseSingleFFOrSafariStack(line)).filter(notNullish); | |
} | |
function parseV8Stacktrace(stack) { | |
return stack.split("\n").map((line) => parseSingleV8Stack(line)).filter(notNullish); | |
} | |
function parseErrorStacktrace(e, options = {}) { | |
if (!e || isPrimitive(e)) | |
return []; | |
if (e.stacks) | |
return e.stacks; | |
const stackStr = e.stack || e.stackStr || ""; | |
let stackFrames = parseStacktrace(stackStr, options); | |
if (options.frameFilter) | |
stackFrames = stackFrames.filter((f) => options.frameFilter(e, f) !== false); | |
e.stacks = stackFrames; | |
return stackFrames; | |
} | |
export { TraceMap, generatedPositionFor, originalPositionFor, parseErrorStacktrace, parseSingleFFOrSafariStack, parseSingleStack, parseSingleV8Stack, parseStacktrace }; | |