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949 lines
32 KiB
949 lines
32 KiB
import { notNullish, isPrimitive } from './helpers.js'; |
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|
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const _DRIVE_LETTER_START_RE = /^[A-Za-z]:\//; |
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function normalizeWindowsPath(input = "") { |
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if (!input) { |
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return input; |
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} |
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return input.replace(/\\/g, "/").replace(_DRIVE_LETTER_START_RE, (r) => r.toUpperCase()); |
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} |
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const _IS_ABSOLUTE_RE = /^[/\\](?![/\\])|^[/\\]{2}(?!\.)|^[A-Za-z]:[/\\]/; |
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function cwd() { |
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if (typeof process !== "undefined" && typeof process.cwd === "function") { |
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return process.cwd().replace(/\\/g, "/"); |
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} |
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return "/"; |
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} |
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const resolve$2 = function(...arguments_) { |
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arguments_ = arguments_.map((argument) => normalizeWindowsPath(argument)); |
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let resolvedPath = ""; |
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let resolvedAbsolute = false; |
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for (let index = arguments_.length - 1; index >= -1 && !resolvedAbsolute; index--) { |
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const path = index >= 0 ? arguments_[index] : cwd(); |
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if (!path || path.length === 0) { |
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continue; |
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} |
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resolvedPath = `${path}/${resolvedPath}`; |
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resolvedAbsolute = isAbsolute(path); |
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} |
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resolvedPath = normalizeString(resolvedPath, !resolvedAbsolute); |
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if (resolvedAbsolute && !isAbsolute(resolvedPath)) { |
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return `/${resolvedPath}`; |
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} |
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return resolvedPath.length > 0 ? resolvedPath : "."; |
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}; |
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function normalizeString(path, allowAboveRoot) { |
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let res = ""; |
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let lastSegmentLength = 0; |
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let lastSlash = -1; |
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let dots = 0; |
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let char = null; |
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for (let index = 0; index <= path.length; ++index) { |
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if (index < path.length) { |
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char = path[index]; |
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} else if (char === "/") { |
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break; |
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} else { |
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char = "/"; |
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} |
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if (char === "/") { |
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if (lastSlash === index - 1 || dots === 1) ; else if (dots === 2) { |
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if (res.length < 2 || lastSegmentLength !== 2 || res[res.length - 1] !== "." || res[res.length - 2] !== ".") { |
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if (res.length > 2) { |
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const lastSlashIndex = res.lastIndexOf("/"); |
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if (lastSlashIndex === -1) { |
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res = ""; |
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lastSegmentLength = 0; |
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} else { |
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res = res.slice(0, lastSlashIndex); |
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lastSegmentLength = res.length - 1 - res.lastIndexOf("/"); |
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} |
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lastSlash = index; |
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dots = 0; |
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continue; |
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} else if (res.length > 0) { |
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res = ""; |
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lastSegmentLength = 0; |
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lastSlash = index; |
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dots = 0; |
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continue; |
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} |
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} |
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if (allowAboveRoot) { |
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res += res.length > 0 ? "/.." : ".."; |
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lastSegmentLength = 2; |
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} |
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} else { |
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if (res.length > 0) { |
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res += `/${path.slice(lastSlash + 1, index)}`; |
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} else { |
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res = path.slice(lastSlash + 1, index); |
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} |
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lastSegmentLength = index - lastSlash - 1; |
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} |
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lastSlash = index; |
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dots = 0; |
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} else if (char === "." && dots !== -1) { |
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++dots; |
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} else { |
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dots = -1; |
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} |
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} |
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return res; |
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} |
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const isAbsolute = function(p) { |
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return _IS_ABSOLUTE_RE.test(p); |
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}; |
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|
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const comma = ','.charCodeAt(0); |
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const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; |
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const intToChar = new Uint8Array(64); // 64 possible chars. |
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const charToInt = new Uint8Array(128); // z is 122 in ASCII |
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for (let i = 0; i < chars.length; i++) { |
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const c = chars.charCodeAt(i); |
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intToChar[i] = c; |
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charToInt[c] = i; |
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} |
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function decodeInteger(reader, relative) { |
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let value = 0; |
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let shift = 0; |
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let integer = 0; |
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do { |
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const c = reader.next(); |
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integer = charToInt[c]; |
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value |= (integer & 31) << shift; |
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shift += 5; |
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} while (integer & 32); |
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const shouldNegate = value & 1; |
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value >>>= 1; |
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if (shouldNegate) { |
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value = -0x80000000 | -value; |
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} |
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return relative + value; |
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} |
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function hasMoreVlq(reader, max) { |
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if (reader.pos >= max) |
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return false; |
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return reader.peek() !== comma; |
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} |
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class StringReader { |
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constructor(buffer) { |
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this.pos = 0; |
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this.buffer = buffer; |
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} |
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next() { |
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return this.buffer.charCodeAt(this.pos++); |
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} |
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peek() { |
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return this.buffer.charCodeAt(this.pos); |
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} |
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indexOf(char) { |
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const { buffer, pos } = this; |
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const idx = buffer.indexOf(char, pos); |
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return idx === -1 ? buffer.length : idx; |
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} |
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} |
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|
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function decode(mappings) { |
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const { length } = mappings; |
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const reader = new StringReader(mappings); |
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const decoded = []; |
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let genColumn = 0; |
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let sourcesIndex = 0; |
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let sourceLine = 0; |
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let sourceColumn = 0; |
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let namesIndex = 0; |
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do { |
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const semi = reader.indexOf(';'); |
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const line = []; |
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let sorted = true; |
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let lastCol = 0; |
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genColumn = 0; |
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while (reader.pos < semi) { |
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let seg; |
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genColumn = decodeInteger(reader, genColumn); |
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if (genColumn < lastCol) |
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sorted = false; |
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lastCol = genColumn; |
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if (hasMoreVlq(reader, semi)) { |
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sourcesIndex = decodeInteger(reader, sourcesIndex); |
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sourceLine = decodeInteger(reader, sourceLine); |
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sourceColumn = decodeInteger(reader, sourceColumn); |
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if (hasMoreVlq(reader, semi)) { |
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namesIndex = decodeInteger(reader, namesIndex); |
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seg = [genColumn, sourcesIndex, sourceLine, sourceColumn, namesIndex]; |
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} |
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else { |
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seg = [genColumn, sourcesIndex, sourceLine, sourceColumn]; |
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} |
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} |
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else { |
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seg = [genColumn]; |
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} |
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line.push(seg); |
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reader.pos++; |
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} |
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if (!sorted) |
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sort(line); |
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decoded.push(line); |
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reader.pos = semi + 1; |
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} while (reader.pos <= length); |
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return decoded; |
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} |
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function sort(line) { |
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line.sort(sortComparator$1); |
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} |
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function sortComparator$1(a, b) { |
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return a[0] - b[0]; |
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} |
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|
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// Matches the scheme of a URL, eg "http://" |
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const schemeRegex = /^[\w+.-]+:\/\//; |
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/** |
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* Matches the parts of a URL: |
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* 1. Scheme, including ":", guaranteed. |
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* 2. User/password, including "@", optional. |
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* 3. Host, guaranteed. |
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* 4. Port, including ":", optional. |
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* 5. Path, including "/", optional. |
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* 6. Query, including "?", optional. |
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* 7. Hash, including "#", optional. |
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*/ |
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const urlRegex = /^([\w+.-]+:)\/\/([^@/#?]*@)?([^:/#?]*)(:\d+)?(\/[^#?]*)?(\?[^#]*)?(#.*)?/; |
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/** |
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* File URLs are weird. They dont' need the regular `//` in the scheme, they may or may not start |
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* with a leading `/`, they can have a domain (but only if they don't start with a Windows drive). |
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* |
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* 1. Host, optional. |
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* 2. Path, which may include "/", guaranteed. |
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* 3. Query, including "?", optional. |
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* 4. Hash, including "#", optional. |
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*/ |
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const fileRegex = /^file:(?:\/\/((?![a-z]:)[^/#?]*)?)?(\/?[^#?]*)(\?[^#]*)?(#.*)?/i; |
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var UrlType; |
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(function (UrlType) { |
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UrlType[UrlType["Empty"] = 1] = "Empty"; |
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UrlType[UrlType["Hash"] = 2] = "Hash"; |
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UrlType[UrlType["Query"] = 3] = "Query"; |
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UrlType[UrlType["RelativePath"] = 4] = "RelativePath"; |
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UrlType[UrlType["AbsolutePath"] = 5] = "AbsolutePath"; |
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UrlType[UrlType["SchemeRelative"] = 6] = "SchemeRelative"; |
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UrlType[UrlType["Absolute"] = 7] = "Absolute"; |
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})(UrlType || (UrlType = {})); |
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function isAbsoluteUrl(input) { |
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return schemeRegex.test(input); |
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} |
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function isSchemeRelativeUrl(input) { |
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return input.startsWith('//'); |
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} |
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function isAbsolutePath(input) { |
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return input.startsWith('/'); |
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} |
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function isFileUrl(input) { |
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return input.startsWith('file:'); |
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} |
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function isRelative(input) { |
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return /^[.?#]/.test(input); |
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} |
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function parseAbsoluteUrl(input) { |
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const match = urlRegex.exec(input); |
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return makeUrl(match[1], match[2] || '', match[3], match[4] || '', match[5] || '/', match[6] || '', match[7] || ''); |
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} |
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function parseFileUrl(input) { |
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const match = fileRegex.exec(input); |
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const path = match[2]; |
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return makeUrl('file:', '', match[1] || '', '', isAbsolutePath(path) ? path : '/' + path, match[3] || '', match[4] || ''); |
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} |
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function makeUrl(scheme, user, host, port, path, query, hash) { |
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return { |
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scheme, |
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user, |
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host, |
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port, |
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path, |
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query, |
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hash, |
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type: UrlType.Absolute, |
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}; |
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} |
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function parseUrl(input) { |
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if (isSchemeRelativeUrl(input)) { |
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const url = parseAbsoluteUrl('http:' + input); |
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url.scheme = ''; |
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url.type = UrlType.SchemeRelative; |
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return url; |
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} |
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if (isAbsolutePath(input)) { |
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const url = parseAbsoluteUrl('http://foo.com' + input); |
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url.scheme = ''; |
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url.host = ''; |
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url.type = UrlType.AbsolutePath; |
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return url; |
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} |
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if (isFileUrl(input)) |
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return parseFileUrl(input); |
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if (isAbsoluteUrl(input)) |
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return parseAbsoluteUrl(input); |
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const url = parseAbsoluteUrl('http://foo.com/' + input); |
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url.scheme = ''; |
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url.host = ''; |
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url.type = input |
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? input.startsWith('?') |
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? UrlType.Query |
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: input.startsWith('#') |
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? UrlType.Hash |
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: UrlType.RelativePath |
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: UrlType.Empty; |
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return url; |
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} |
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function stripPathFilename(path) { |
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// If a path ends with a parent directory "..", then it's a relative path with excess parent |
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// paths. It's not a file, so we can't strip it. |
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if (path.endsWith('/..')) |
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return path; |
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const index = path.lastIndexOf('/'); |
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return path.slice(0, index + 1); |
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} |
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function mergePaths(url, base) { |
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normalizePath(base, base.type); |
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// If the path is just a "/", then it was an empty path to begin with (remember, we're a relative |
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// path). |
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if (url.path === '/') { |
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url.path = base.path; |
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} |
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else { |
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// Resolution happens relative to the base path's directory, not the file. |
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url.path = stripPathFilename(base.path) + url.path; |
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} |
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} |
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/** |
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* The path can have empty directories "//", unneeded parents "foo/..", or current directory |
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* "foo/.". We need to normalize to a standard representation. |
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*/ |
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function normalizePath(url, type) { |
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const rel = type <= UrlType.RelativePath; |
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const pieces = url.path.split('/'); |
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// We need to preserve the first piece always, so that we output a leading slash. The item at |
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// pieces[0] is an empty string. |
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let pointer = 1; |
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// Positive is the number of real directories we've output, used for popping a parent directory. |
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// Eg, "foo/bar/.." will have a positive 2, and we can decrement to be left with just "foo". |
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let positive = 0; |
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// We need to keep a trailing slash if we encounter an empty directory (eg, splitting "foo/" will |
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// generate `["foo", ""]` pieces). And, if we pop a parent directory. But once we encounter a |
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// real directory, we won't need to append, unless the other conditions happen again. |
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let addTrailingSlash = false; |
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for (let i = 1; i < pieces.length; i++) { |
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const piece = pieces[i]; |
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// An empty directory, could be a trailing slash, or just a double "//" in the path. |
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if (!piece) { |
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addTrailingSlash = true; |
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continue; |
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} |
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// If we encounter a real directory, then we don't need to append anymore. |
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addTrailingSlash = false; |
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// A current directory, which we can always drop. |
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if (piece === '.') |
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continue; |
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// A parent directory, we need to see if there are any real directories we can pop. Else, we |
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// have an excess of parents, and we'll need to keep the "..". |
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if (piece === '..') { |
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if (positive) { |
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addTrailingSlash = true; |
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positive--; |
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pointer--; |
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} |
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else if (rel) { |
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// If we're in a relativePath, then we need to keep the excess parents. Else, in an absolute |
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// URL, protocol relative URL, or an absolute path, we don't need to keep excess. |
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pieces[pointer++] = piece; |
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} |
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continue; |
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} |
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// We've encountered a real directory. Move it to the next insertion pointer, which accounts for |
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// any popped or dropped directories. |
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pieces[pointer++] = piece; |
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positive++; |
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} |
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let path = ''; |
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for (let i = 1; i < pointer; i++) { |
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path += '/' + pieces[i]; |
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} |
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if (!path || (addTrailingSlash && !path.endsWith('/..'))) { |
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path += '/'; |
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} |
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url.path = path; |
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} |
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/** |
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* Attempts to resolve `input` URL/path relative to `base`. |
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*/ |
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function resolve$1(input, base) { |
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if (!input && !base) |
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return ''; |
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const url = parseUrl(input); |
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let inputType = url.type; |
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if (base && inputType !== UrlType.Absolute) { |
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const baseUrl = parseUrl(base); |
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const baseType = baseUrl.type; |
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switch (inputType) { |
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case UrlType.Empty: |
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url.hash = baseUrl.hash; |
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// fall through |
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case UrlType.Hash: |
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url.query = baseUrl.query; |
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// fall through |
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case UrlType.Query: |
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case UrlType.RelativePath: |
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mergePaths(url, baseUrl); |
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// fall through |
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case UrlType.AbsolutePath: |
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// The host, user, and port are joined, you can't copy one without the others. |
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url.user = baseUrl.user; |
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url.host = baseUrl.host; |
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url.port = baseUrl.port; |
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// fall through |
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case UrlType.SchemeRelative: |
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// The input doesn't have a schema at least, so we need to copy at least that over. |
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url.scheme = baseUrl.scheme; |
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} |
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if (baseType > inputType) |
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inputType = baseType; |
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} |
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normalizePath(url, inputType); |
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const queryHash = url.query + url.hash; |
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switch (inputType) { |
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// This is impossible, because of the empty checks at the start of the function. |
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// case UrlType.Empty: |
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case UrlType.Hash: |
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case UrlType.Query: |
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return queryHash; |
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case UrlType.RelativePath: { |
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// The first char is always a "/", and we need it to be relative. |
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const path = url.path.slice(1); |
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if (!path) |
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return queryHash || '.'; |
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if (isRelative(base || input) && !isRelative(path)) { |
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// If base started with a leading ".", or there is no base and input started with a ".", |
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// then we need to ensure that the relative path starts with a ".". We don't know if |
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// relative starts with a "..", though, so check before prepending. |
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return './' + path + queryHash; |
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} |
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return path + queryHash; |
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} |
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case UrlType.AbsolutePath: |
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return url.path + queryHash; |
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default: |
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return url.scheme + '//' + url.user + url.host + url.port + url.path + queryHash; |
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} |
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} |
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|
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function resolve(input, base) { |
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// The base is always treated as a directory, if it's not empty. |
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// https://github.com/mozilla/source-map/blob/8cb3ee57/lib/util.js#L327 |
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// https://github.com/chromium/chromium/blob/da4adbb3/third_party/blink/renderer/devtools/front_end/sdk/SourceMap.js#L400-L401 |
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if (base && !base.endsWith('/')) |
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base += '/'; |
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return resolve$1(input, base); |
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} |
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|
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/** |
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* Removes everything after the last "/", but leaves the slash. |
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*/ |
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function stripFilename(path) { |
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if (!path) |
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return ''; |
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const index = path.lastIndexOf('/'); |
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return path.slice(0, index + 1); |
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} |
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|
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const COLUMN = 0; |
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const SOURCES_INDEX = 1; |
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const SOURCE_LINE = 2; |
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const SOURCE_COLUMN = 3; |
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const NAMES_INDEX = 4; |
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const REV_GENERATED_LINE = 1; |
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const REV_GENERATED_COLUMN = 2; |
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|
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function maybeSort(mappings, owned) { |
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const unsortedIndex = nextUnsortedSegmentLine(mappings, 0); |
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if (unsortedIndex === mappings.length) |
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return mappings; |
|
// If we own the array (meaning we parsed it from JSON), then we're free to directly mutate it. If |
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// not, we do not want to modify the consumer's input array. |
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if (!owned) |
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mappings = mappings.slice(); |
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for (let i = unsortedIndex; i < mappings.length; i = nextUnsortedSegmentLine(mappings, i + 1)) { |
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mappings[i] = sortSegments(mappings[i], owned); |
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} |
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return mappings; |
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} |
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function nextUnsortedSegmentLine(mappings, start) { |
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for (let i = start; i < mappings.length; i++) { |
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if (!isSorted(mappings[i])) |
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return i; |
|
} |
|
return mappings.length; |
|
} |
|
function isSorted(line) { |
|
for (let j = 1; j < line.length; j++) { |
|
if (line[j][COLUMN] < line[j - 1][COLUMN]) { |
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return false; |
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} |
|
} |
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return true; |
|
} |
|
function sortSegments(line, owned) { |
|
if (!owned) |
|
line = line.slice(); |
|
return line.sort(sortComparator); |
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} |
|
function sortComparator(a, b) { |
|
return a[COLUMN] - b[COLUMN]; |
|
} |
|
|
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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 |
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* before the desired index) is returned. To maintain proper sort order, a splice would happen at |
|
* the next index: |
|
* |
|
* ```js |
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* const array = [1, 3]; |
|
* const needle = 2; |
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* const index = binarySearch(array, needle, (item, needle) => item - needle); |
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* |
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* assert.equal(index, 0); |
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* array.splice(index + 1, 0, needle); |
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* assert.deepEqual(array, [1, 2, 3]); |
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* ``` |
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*/ |
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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; |
|
} |
|
} |
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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. |
|
let index = upperBound(originalLine, sourceColumn, memoizedBinarySearch(originalLine, sourceColumn, memo, sourceLine)); |
|
memo.lastIndex = ++index; |
|
insert(originalLine, index, [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; |
|
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; |
|
this.ignoreList = parsed.ignoreList || parsed.x_google_ignoreList || undefined; |
|
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; |
|
} |
|
} |
|
/** |
|
* Typescript doesn't allow friend access to private fields, so this just casts the map into a type |
|
* with public access modifiers. |
|
*/ |
|
function cast(map) { |
|
return map; |
|
} |
|
/** |
|
* Returns the decoded (array of lines of segments) form of the SourceMap's mappings field. |
|
*/ |
|
function decodedMappings(map) { |
|
var _a; |
|
return ((_a = cast(map))._decoded || (_a._decoded = decode(cast(map)._encoded))); |
|
} |
|
/** |
|
* 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. |
|
*/ |
|
function originalPositionFor(map, needle) { |
|
let { line, column, bias } = needle; |
|
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, cast(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); |
|
} |
|
/** |
|
* Finds the generated line/column position of the provided source/line/column source position. |
|
*/ |
|
function generatedPositionFor(map, needle) { |
|
const { source, line, column, bias } = needle; |
|
return generatedPosition(map, source, line, column, bias || GREATEST_LOWER_BOUND, false); |
|
} |
|
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; |
|
} |
|
function generatedPosition(map, source, line, column, bias, all) { |
|
var _a; |
|
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 = ((_a = cast(map))._bySources || (_a._bySources = buildBySources(decodedMappings(map), (cast(map)._bySourceMemos = sources.map(memoizedState))))); |
|
const segments = generated[sourceIndex][line]; |
|
if (segments == null) |
|
return all ? [] : GMapping(null, null); |
|
const memo = cast(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]); |
|
} |
|
|
|
const CHROME_IE_STACK_REGEXP = /^\s*at .*(?:\S:\d+|\(native\))/m; |
|
const SAFARI_NATIVE_CODE_REGEXP = /^(?:eval@)?(?:\[native code\])?$/; |
|
const stackIgnorePatterns = [ |
|
"node:internal", |
|
/\/packages\/\w+\/dist\//, |
|
/\/@vitest\/\w+\/dist\//, |
|
"/vitest/dist/", |
|
"/vitest/src/", |
|
"/vite-node/dist/", |
|
"/vite-node/src/", |
|
"/node_modules/chai/", |
|
"/node_modules/tinypool/", |
|
"/node_modules/tinyspy/", |
|
// browser related deps |
|
"/deps/chunk-", |
|
"/deps/@vitest", |
|
"/deps/loupe", |
|
"/deps/chai", |
|
/node:\w+/, |
|
/__vitest_test__/, |
|
/__vitest_browser__/, |
|
/\/deps\/vitest_/ |
|
]; |
|
function extractLocation(urlLike) { |
|
if (!urlLike.includes(":")) { |
|
return [urlLike]; |
|
} |
|
const regExp = /(.+?)(?::(\d+))?(?::(\d+))?$/; |
|
const parts = regExp.exec(urlLike.replace(/^\(|\)$/g, "")); |
|
if (!parts) { |
|
return [urlLike]; |
|
} |
|
let url = parts[1]; |
|
if (url.startsWith("async ")) { |
|
url = url.slice(6); |
|
} |
|
if (url.startsWith("http:") || url.startsWith("https:")) { |
|
const urlObj = new URL(url); |
|
url = urlObj.pathname; |
|
} |
|
if (url.startsWith("/@fs/")) { |
|
const isWindows = /^\/@fs\/[a-zA-Z]:\//.test(url); |
|
url = url.slice(isWindows ? 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; |
|
if (options.getFileName) { |
|
stack2.file = options.getFileName(stack2.file); |
|
} |
|
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 };
|
|
|