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added default precision modifier #9

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added default precision modifier #9

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5 changes: 3 additions & 2 deletions asciichart.js
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Original file line number Diff line number Diff line change
Expand Up @@ -16,14 +16,15 @@
cfg = (typeof cfg !== 'undefined') ? cfg : {}
let offset = (typeof cfg.offset !== 'undefined') ? cfg.offset : 3
let padding = (typeof cfg.padding !== 'undefined') ? cfg.padding : ' '
let precision = (typeof cfg.precision !== 'undefined') ? cfg.precision : 2
let height = (typeof cfg.height !== 'undefined') ? cfg.height : range
let ratio = height / range
let min2 = Math.round (min * ratio)
let max2 = Math.round (max * ratio)
let rows = Math.abs (max2 - min2)
let width = series.length + offset
let format = (typeof cfg.format !== 'undefined') ? cfg.format : function (x) {
return (padding + x.toFixed (2)).slice (-padding.length)
return (padding + x.toFixed (precision)).slice (-padding.length)
}

let result = new Array (rows + 1) // empty space
Expand Down Expand Up @@ -62,4 +63,4 @@
return result.map (function (x) { return x.join ('') }).join ('\n')
}

}) (typeof exports === 'undefined' ? /* istanbul ignore next */ this['asciichart'] = {} : exports);
}) (typeof exports === 'undefined' ? /* istanbul ignore next */ this['asciichart'] = {} : exports);