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errors: skip fatal error highlighting on windows

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Some consoles do not convert ANSI escape sequences to colors,
rather display them directly to the stdout. On those consoles,
libuv emulates colors by intercepting stdout stream and calling
corresponding Windows API functions for setting console colors.
However, fatal error are handled differently and we cannot easily
highlight them.

PR-URL: https://github.com/nodejs/node/pull/33132
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
This commit is contained in:
Thomas
2020-04-28 19:15:36 +02:00
committed by Ruben Bridgewater
parent b3ca8869a6
commit 1c619143eb
1 changed files with 18 additions and 2 deletions
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20
lib/internal/errors.js
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@@ -674,15 +674,31 @@ const fatalExceptionStackEnhancers = {
},
afterInspector(error) {
const originalStack = error.stack;
let useColors = true;
// Some consoles do not convert ANSI escape sequences to colors,
// rather display them directly to the stdout. On those consoles,
// libuv emulates colors by intercepting stdout stream and calling
// corresponding Windows API functions for setting console colors.
// However, fatal error are handled differently and we cannot easily
// highlight them. On Windows, detecting whether a console supports
// ANSI escape sequences is not reliable.
if (process.platform === 'win32') {
const info = internalBinding('os').getOSInformation();
const ver = info[2].split('.').map((a) => +a);
if (ver[0] !== 10 || ver[2] < 14393) {
useColors = false;
}
}
const {
inspect,
inspectDefaultOptions: {
colors: defaultColors
}
} = lazyInternalUtilInspect();
const colors = (internalBinding('util').guessHandleType(2) === 'TTY' &&
const colors = useColors &&
((internalBinding('util').guessHandleType(2) === 'TTY' &&
require('internal/tty').hasColors()) ||
defaultColors;
defaultColors);
try {
return inspect(error, { colors });
} catch {