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lib: support dumb terminals #26261

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wlodzislav wants to merge 8 commits into from
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lib: support dumb terminals #26261

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1c0ba10
console: don't use ANSI escape codes when TERM=dumb
wlodzislav Feb 22, 2019
1b7434d
readline: support TERM=dumb
wlodzislav Feb 22, 2019
6aa691d
repl: don't color output when TERM=dumb
wlodzislav Feb 22, 2019
826bab4
repl: fix unnecessary check
wlodzislav Feb 22, 2019
4113cfe
readline: remove _ttyWriteDumb from prototype
wlodzislav Feb 22, 2019
1468212
readline: remove unnecessary Buffer check
wlodzislav Feb 22, 2019
26fcf31
readline: not empty string check in _ttyWrite*
wlodzislav Feb 22, 2019
03994a0
repl: check colors with .getColorDepth()
wlodzislav Mar 5, 2019
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console: don't use ANSI escape codes when TERM=dumb 
Fixes: #26187
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@wlodzislav
wlodzislav committed Mar 5, 2019
commit 1c0ba1061e5a6eb9abf817a64550fe0a501c04d7
2 changes: 1 addition & 1 deletion lib/internal/console/constructor.js
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Expand Up @@ -346,7 +346,7 @@ const consoleMethods = {
clear() {
// It only makes sense to clear if _stdout is a TTY.
// Otherwise, do nothing.
if (this._stdout.isTTY) {
if (this._stdout.isTTY && process.env.TERM !== 'dumb') {
// The require is here intentionally to avoid readline being
// required too early when console is first loaded.
const { cursorTo, clearScreenDown } = require('readline');
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9 changes: 9 additions & 0 deletions test/pseudo-tty/console-dumb-tty.js
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@@ -0,0 +1,9 @@
'use strict';
require('../common');

process.env.TERM = 'dumb';

console.log({ foo: 'bar' });
console.dir({ foo: 'bar' });
console.log('%s q', 'string');
console.log('%o with object format param', { foo: 'bar' });
4 changes: 4 additions & 0 deletions test/pseudo-tty/console-dumb-tty.out
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@@ -0,0 +1,4 @@
{ foo: 'bar' }
{ foo: 'bar' }
string q
{ foo: 'bar' } with object format param