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util: mark cwd grey while inspecting errors
This changes the util.inspect() output for errors in case stack traces contain the current working directory in their trace. If that's the case, the cwd part is marked grey to focus on the rest of the path. Signed-off-by: Ruben Bridgewater <ruben@bridgewater.de> PR-URL: https://github.com/nodejs/node/pull/41082 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
This commit is contained in:
Ruben Bridgewater
Node.js GitHub Bot
parent
2fe4e9473f
commit
b5cb3410e0
@ -22,7 +22,6 @@
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'use strict';
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const {
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ArrayPrototypeIndexOf,
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ArrayPrototypeJoin,
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ArrayPrototypeShift,
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ArrayPrototypeSlice,
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@ -33,7 +32,6 @@ const {
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ErrorCaptureStackTrace,
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FunctionPrototypeBind,
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FunctionPrototypeCall,
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MathMin,
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NumberIsNaN,
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ObjectCreate,
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ObjectDefineProperty,
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@ -55,7 +53,10 @@ const kRejection = SymbolFor('nodejs.rejection');
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const { kEmptyObject } = require('internal/util');
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const { inspect } = require('internal/util/inspect');
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const {
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inspect,
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identicalSequenceRange,
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} = require('internal/util/inspect');
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let spliceOne;
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@ -424,31 +425,6 @@ EventEmitter.prototype.getMaxListeners = function getMaxListeners() {
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return _getMaxListeners(this);
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};
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// Returns the length and line number of the first sequence of `a` that fully
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// appears in `b` with a length of at least 4.
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function identicalSequenceRange(a, b) {
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for (let i = 0; i < a.length - 3; i++) {
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// Find the first entry of b that matches the current entry of a.
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const pos = ArrayPrototypeIndexOf(b, a[i]);
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if (pos !== -1) {
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const rest = b.length - pos;
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if (rest > 3) {
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let len = 1;
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const maxLen = MathMin(a.length - i, rest);
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// Count the number of consecutive entries.
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while (maxLen > len && a[i + len] === b[pos + len]) {
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len++;
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}
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if (len > 3) {
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return [len, i];
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}
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}
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}
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}
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return [0, 0];
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}
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function enhanceStackTrace(err, own) {
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let ctorInfo = '';
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try {
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@ -465,9 +441,9 @@ function enhanceStackTrace(err, own) {
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const ownStack = ArrayPrototypeSlice(
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StringPrototypeSplit(own.stack, '\n'), 1);
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const { 0: len, 1: off } = identicalSequenceRange(ownStack, errStack);
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const { len, offset } = identicalSequenceRange(ownStack, errStack);
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if (len > 0) {
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ArrayPrototypeSplice(ownStack, off + 1, len - 2,
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ArrayPrototypeSplice(ownStack, offset + 1, len - 2,
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' [... lines matching original stack trace ...]');
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}
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@ -146,6 +146,12 @@ const {
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} = require('internal/validators');
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let hexSlice;
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let internalUrl;
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function pathToFileUrlHref(filepath) {
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internalUrl ??= require('internal/url');
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return internalUrl.pathToFileURL(filepath).href;
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}
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const builtInObjects = new SafeSet(
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ArrayPrototypeFilter(
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@ -1283,6 +1289,58 @@ function removeDuplicateErrorKeys(ctx, keys, err, stack) {
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}
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}
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function markNodeModules(ctx, line) {
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let tempLine = '';
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let nodeModule;
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let pos = 0;
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while ((nodeModule = nodeModulesRegExp.exec(line)) !== null) {
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// '/node_modules/'.length === 14
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tempLine += line.slice(pos, nodeModule.index + 14);
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tempLine += ctx.stylize(nodeModule[1], 'module');
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pos = nodeModule.index + nodeModule[0].length;
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}
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if (pos !== 0) {
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line = tempLine + line.slice(pos);
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}
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return line;
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}
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function markCwd(ctx, line, workingDirectory) {
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let cwdStartPos = line.indexOf(workingDirectory);
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let tempLine = '';
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let cwdLength = workingDirectory.length;
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if (cwdStartPos !== -1) {
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if (line.slice(cwdStartPos - 7, cwdStartPos) === 'file://') {
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cwdLength += 7;
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cwdStartPos -= 7;
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}
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const start = line[cwdStartPos - 1] === '(' ? cwdStartPos - 1 : cwdStartPos;
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const end = start !== cwdStartPos && line.endsWith(')') ? -1 : line.length;
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const workingDirectoryEndPos = cwdStartPos + cwdLength + 1;
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const cwdSlice = line.slice(start, workingDirectoryEndPos);
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tempLine += line.slice(0, start);
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tempLine += ctx.stylize(cwdSlice, 'undefined');
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tempLine += line.slice(workingDirectoryEndPos, end);
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if (end === -1) {
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tempLine += ctx.stylize(')', 'undefined');
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}
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} else {
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tempLine += line;
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}
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return tempLine;
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}
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function safeGetCWD() {
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let workingDirectory;
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try {
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workingDirectory = process.cwd();
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} catch {
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return;
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}
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return workingDirectory;
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}
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function formatError(err, constructor, tag, ctx, keys) {
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const name = err.name != null ? String(err.name) : 'Error';
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let stack = getStackString(err);
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@ -1306,25 +1364,30 @@ function formatError(err, constructor, tag, ctx, keys) {
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stack = `[${stack}]`;
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} else {
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let newStack = stack.slice(0, stackStart);
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const lines = getStackFrames(ctx, err, stack.slice(stackStart + 1));
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const stackFramePart = stack.slice(stackStart + 1);
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const lines = getStackFrames(ctx, err, stackFramePart);
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if (ctx.colors) {
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// Highlight userland code and node modules.
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for (const line of lines) {
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const workingDirectory = safeGetCWD();
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let esmWorkingDirectory;
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for (let line of lines) {
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const core = line.match(coreModuleRegExp);
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if (core !== null && NativeModule.exists(core[1])) {
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newStack += `\n${ctx.stylize(line, 'undefined')}`;
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} else {
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// This adds underscores to all node_modules to quickly identify them.
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let nodeModule;
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newStack += '\n';
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let pos = 0;
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while ((nodeModule = nodeModulesRegExp.exec(line)) !== null) {
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// '/node_modules/'.length === 14
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newStack += line.slice(pos, nodeModule.index + 14);
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newStack += ctx.stylize(nodeModule[1], 'module');
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pos = nodeModule.index + nodeModule[0].length;
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line = markNodeModules(ctx, line);
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if (workingDirectory !== undefined) {
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let newLine = markCwd(ctx, line, workingDirectory);
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if (newLine === line) {
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esmWorkingDirectory ??= pathToFileUrlHref(workingDirectory);
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newLine = markCwd(ctx, line, esmWorkingDirectory);
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}
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line = newLine;
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}
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newStack += pos === 0 ? line : line.slice(pos);
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newStack += line;
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}
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}
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} else {
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@ -2292,10 +2355,11 @@ function stripVTControlCharacters(str) {
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}
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module.exports = {
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identicalSequenceRange,
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inspect,
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inspectDefaultOptions,
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format,
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formatWithOptions,
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getStringWidth,
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inspectDefaultOptions,
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stripVTControlCharacters
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stripVTControlCharacters,
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};
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@ -30,6 +30,7 @@ const v8 = require('v8');
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const { previewEntries } = internalBinding('util');
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const { inspect } = util;
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const { MessageChannel } = require('worker_threads');
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const url = require('url');
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assert.strictEqual(util.inspect(1), '1');
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assert.strictEqual(util.inspect(false), 'false');
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@ -2811,9 +2812,15 @@ assert.strictEqual(
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}
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{
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const originalCWD = process.cwd();
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process.cwd = () => (process.platform === 'win32' ?
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'C:\\workspace\\node-test-binary-windows js-suites-%percent-encoded\\node' :
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'/home/user directory/repository%encoded/node');
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// Use a fake stack to verify the expected colored outcome.
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const stack = [
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'TypedError: Wonderful message!',
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'Error: CWD is grayed out, even cwd that are percent encoded!',
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' at A.<anonymous> (/test/node_modules/foo/node_modules/bar/baz.js:2:7)',
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' at Module._compile (node:internal/modules/cjs/loader:827:30)',
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' at Fancy (node:vm:697:32)',
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@ -2823,23 +2830,78 @@ assert.strictEqual(
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// This file is not an actual Node.js core file.
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' at Module.require [as weird/name] (node:internal/aaaaa/loader:735:19)',
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' at require (node:internal/modules/cjs/helpers:14:16)',
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' at Array.forEach (<anonymous>)',
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` at ${process.cwd()}/test/parallel/test-util-inspect.js:2760:12`,
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` at Object.<anonymous> (${process.cwd()}/node_modules/hyper_module/folder/file.js:2753:10)`,
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' at /test/test-util-inspect.js:2239:9',
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' at getActual (node:assert:592:5)',
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];
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const isNodeCoreFile = [
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false, false, true, true, false, true, false, true, false, true,
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];
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const err = new TypeError('Wonderful message!');
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const err = new Error('CWD is grayed out, even cwd that are percent encoded!');
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err.stack = stack.join('\n');
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if (process.platform === 'win32') {
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err.stack = stack.map((frame) => (frame.includes('node:') ?
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frame :
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frame.replaceAll('/', '\\'))
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).join('\n');
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}
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const escapedCWD = util.inspect(process.cwd()).slice(1, -1);
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util.inspect(err, { colors: true }).split('\n').forEach((line, i) => {
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let actual = stack[i].replace(/node_modules\/([a-z]+)/g, (a, m) => {
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let expected = stack[i].replace(/node_modules\/([^/]+)/gi, (_, m) => {
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return `node_modules/\u001b[4m${m}\u001b[24m`;
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}).replaceAll(new RegExp(`(\\(?${escapedCWD}(\\\\|/))`, 'gi'), (_, m) => {
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return `\x1B[90m${m}\x1B[39m`;
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});
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if (isNodeCoreFile[i]) {
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actual = `\u001b[90m${actual}\u001b[39m`;
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if (expected.includes(process.cwd()) && expected.endsWith(')')) {
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expected = `${expected.slice(0, -1)}\x1B[90m)\x1B[39m`;
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}
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assert.strictEqual(actual, line);
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if (line.includes('node:')) {
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if (!line.includes('foo') && !line.includes('aaa')) {
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expected = `\u001b[90m${expected}\u001b[39m`;
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}
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} else if (process.platform === 'win32') {
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expected = expected.replaceAll('/', '\\');
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}
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assert.strictEqual(line, expected);
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});
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// Check ESM
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const encodedCwd = url.pathToFileURL(process.cwd());
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const sl = process.platform === 'win32' ? '\\' : '/';
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// Use a fake stack to verify the expected colored outcome.
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err.stack = 'Error: ESM and CJS mixed are both grayed out!\n' +
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` at ${encodedCwd}/test/parallel/test-esm.mjs:2760:12\n` +
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` at Object.<anonymous> (${encodedCwd}/node_modules/esm_module/folder/file.js:2753:10)\n` +
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` at ${process.cwd()}${sl}test${sl}parallel${sl}test-cjs.js:2760:12\n` +
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` at Object.<anonymous> (${process.cwd()}${sl}node_modules${sl}cjs_module${sl}folder${sl}file.js:2753:10)`;
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let actual = util.inspect(err, { colors: true });
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let expected = 'Error: ESM and CJS mixed are both grayed out!\n' +
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` at \x1B[90m${encodedCwd}/\x1B[39mtest/parallel/test-esm.mjs:2760:12\n` +
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` at Object.<anonymous> \x1B[90m(${encodedCwd}/\x1B[39mnode_modules/\x1B[4mesm_module\x1B[24m/folder/file.js:2753:10\x1B[90m)\x1B[39m\n` +
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` at \x1B[90m${process.cwd()}${sl}\x1B[39mtest${sl}parallel${sl}test-cjs.js:2760:12\n` +
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` at Object.<anonymous> \x1B[90m(${process.cwd()}${sl}\x1B[39mnode_modules${sl}\x1B[4mcjs_module\x1B[24m${sl}folder${sl}file.js:2753:10\x1B[90m)\x1B[39m`;
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assert.strictEqual(actual, expected);
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// ESM without need for encoding
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process.cwd = () => (process.platform === 'win32' ?
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'C:\\workspace\\node-test-binary-windows-js-suites\\node' :
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'/home/user/repository/node');
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let expectedCwd = process.cwd();
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if (process.platform === 'win32') {
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expectedCwd = `/${expectedCwd.replaceAll('\\', '/')}`;
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}
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// Use a fake stack to verify the expected colored outcome.
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err.stack = 'Error: ESM without need for encoding!\n' +
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` at file://${expectedCwd}/file.js:15:15`;
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actual = util.inspect(err, { colors: true });
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expected = 'Error: ESM without need for encoding!\n' +
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` at \x1B[90mfile://${expectedCwd}/\x1B[39mfile.js:15:15`;
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assert.strictEqual(actual, expected);
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process.cwd = originalCWD;
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}
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{
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@ -1,38 +1,38 @@
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{ foo: *[32m'bar'*[39m }
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{ foo: [32m'bar'[39m }
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string q
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{ foo: *[32m'bar'*[39m } with object format param
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{ foo: [32m'bar'[39m } with object format param
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Error: test
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at abc (../fixtures/node_modules/bar.js:4:4)
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foobar
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at * (*console_colors.js:*:*)
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*[90m at * (node:internal*:*:*)*[39m
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*[90m at *[39m
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*[90m at *[39m
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*[90m at *[39m
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*[90m at *[39m
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*[90m at *[39m
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at Object.<anonymous> [90m(*[39m*console_colors.js:*:*[90m)[39m
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[90m at * (node:internal*:*:*)[39m
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[90m at *[39m
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[90m at *[39m
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[90m at *[39m
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[90m at *[39m
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[90m at *[39m
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Error: Should not ever get here.
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at * (*node_modules*[4m*node_modules*[24m*bar.js:*:*)
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*[90m at *[39m
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*[90m at *[39m
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*[90m at *[39m
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*[90m at *[39m
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*[90m at *[39m
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*[90m at *[39m
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at * (*console_colors.js:*:*)
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*[90m at *[39m
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*[90m at *[39m
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at Object.<anonymous> [90m(*node_modules*[4m*node_modules*[24m*bar.js:*:*[90m)[39m
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[90m at *[39m
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[90m at *[39m
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[90m at *[39m
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[90m at *[39m
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[90m at *[39m
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[90m at *[39m
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at Object.<anonymous> [90m(*console_colors.js:*:*[90m)[39m
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[90m at *[39m
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[90m at *[39m
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Error
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at evalmachine.<anonymous>:*:*
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*[90m at Script.runInThisContext (node:vm:*:*)*[39m
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*[90m at Object.runInThisContext (node:vm:*:*)*[39m
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at * (*console_colors.js:*:*)
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*[90m at *[39m
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*[90m at *[39m
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*[90m at *[39m
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*[90m at *[39m
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*[90m at *[39m
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*[90m at *[39m
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[90m at Script.runInThisContext (node:vm:*:*)[39m
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[90m at Object.runInThisContext (node:vm:*:*)[39m
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at Object.<anonymous> [90m(*[39m*console_colors.js:*:*[90m)[39m
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[90m at *[39m
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[90m at *[39m
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[90m at *[39m
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[90m at *[39m
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[90m at *[39m
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[90m at *[39m
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@ -3,14 +3,14 @@ throw err;
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^
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TypeError: foobar
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at Object.<anonymous> (*test-fatal-error.js:*)
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*[90m at *(node:internal*loader:*:*)*[39m
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*[90m at *(node:internal*loader:*:*)*[39m
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*[90m at *(node:internal*loader:*:*)*[39m
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*[90m at *(node:internal*loader:*:*)*[39m
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*[90m at *[39m
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*[90m at *[39m {
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bla: *[33mtrue*[39m
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at Object.<anonymous> [90m(*test-fatal-error.js:*:*[90m)[39m
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[90m at *(node:internal*loader:*:*)[39m
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[90m at *(node:internal*loader:*:*)[39m
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[90m at *(node:internal*loader:*:*)[39m
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[90m at *(node:internal*loader:*:*)[39m
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[90m at *[39m
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[90m at *[39m {
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bla: [33mtrue[39m
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}
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Node.js *
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