flynx/colors.js
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default to original string if you're not in a headless environment (like a browser).

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makes console.log('hello'.red) work.
This commit is contained in:
Dustin Diaz (@ded) 2011-03-07 18:09:07 -08:00
parent b6ff10236a
commit e49356a4c2
1 changed files with 8 additions and 3 deletions
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11
colors.js
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@ -1,5 +1,5 @@
/*
colors.js
colors.js
Copyright (c) 2010 Alexis Sellier (cloudhead) , Marak Squires
@ -24,10 +24,12 @@ THE SOFTWARE.
*/
// prototypes the string object to have additional method calls that add terminal colors
var isHeadless = (typeof module !== 'undefined');
['bold', 'underline', 'italic', 'inverse', 'grey', 'yellow', 'red', 'green', 'blue', 'white', 'cyan', 'magenta'].forEach(function (style) {
Object.defineProperty(String.prototype, style, {
get: function () {
return stylize(this, style);
// default to 'this' for those running console.log() from a browser
return isHeadless ? stylize(this, style) : this;
}
});
});
@ -36,13 +38,16 @@ THE SOFTWARE.
// rainbow will apply a the color spectrum to a string, changing colors every letter
Object.defineProperty(String.prototype, 'rainbow', {
get: function () {
if (!isHeadless) {
return this;
}
var rainbowcolors = ['red','yellow','green','blue','magenta']; //RoY G BiV
var exploded = this.split("");
var i=0;
exploded = exploded.map(function(letter) {
if (letter==" ") {
return letter;
}
}
else {
return stylize(letter,rainbowcolors[i++ % rainbowcolors.length]);
}