| 1 | /**
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| 2 | * Encodes a string in a colour: red, yellow or green
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| 3 | * @param {String} c colour to highlight in
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| 4 | * @param {String} str the string to encode
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| 5 | * @return {String} coloured string for terminal printing
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| 6 | */
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| 7 | function colour(c, str) {
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| 8 | return (colour[c] || colour.black) + str + colour.black;
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| 9 | }
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| 10 |
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| 11 | function strip(str) {
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| 12 | re.lastIndex = 0; // reset position
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| 13 | return str.replace(re, '');
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| 14 | }
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| 15 |
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| 16 | colour.red = '\x1B[31m';
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| 17 | colour.yellow = '\x1B[33m';
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| 18 | colour.green = '\x1B[32m';
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| 19 | colour.black = '\x1B[39m';
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| 20 |
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| 21 | var reStr = Object.keys(colour).map(key => colour[key]).join('|');
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| 22 | var re = new RegExp(('(' + reStr + ')').replace(/\[/g, '\\['), 'g');
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| 23 |
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| 24 | colour.strip = strip;
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| 25 |
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| 26 | module.exports = colour;
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