flynx/colors.js
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Performance related tweaks

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This commit is contained in:
Josh Pike 2018-04-23 17:10:59 +07:00
parent 5fe02b870b
commit 373be07fab
1 changed files with 9 additions and 1 deletions
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lib/colors.js
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@ -35,6 +35,7 @@ colors.themes = {};
var ansiStyles = colors.styles = require('./styles'); var ansiStyles = colors.styles = require('./styles');
var defineProps = Object.defineProperties; var defineProps = Object.defineProperties;
var newLineRegex = new RegExp(/[\r\n]+/g);
colors.supportsColor = require('./system/supports-colors').supportsColor; colors.supportsColor = require('./system/supports-colors').supportsColor;
@ -104,13 +105,20 @@ function applyStyle() {
return str; return str;
} }
var newLinesPresent = false;
if(str.indexOf('\n') != -1){
newLinesPresent = true;
}
var nestedStyles = this._styles; var nestedStyles = this._styles;
var i = nestedStyles.length; var i = nestedStyles.length;
while (i--) { while (i--) {
var code = ansiStyles[nestedStyles[i]]; var code = ansiStyles[nestedStyles[i]];
str = code.open + str.replace(code.closeRe, code.open) + code.close; str = code.open + str.replace(code.closeRe, code.open) + code.close;
str = str.replace(new RegExp(/[\r\n]+/g), code.close + '\n' + code.open); if(newLinesPresent){
str = str.replace(newLineRegex, code.close + '\n' + code.open);
}
} }
return str; return str;