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added ability to drop units on toString #10

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added ability to drop units on toString #10

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10 changes: 7 additions & 3 deletions src/quantities.js
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Original file line number Diff line number Diff line change
Expand Up @@ -773,7 +773,7 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
*
* @returns {string} reparseable quantity as string
*/
toString: function(targetUnitsOrMaxDecimalsOrPrec, maxDecimals) {
toString: function(targetUnitsOrMaxDecimalsOrPrec, maxDecimals, onlyNumber) {
var targetUnits;
if(typeof targetUnitsOrMaxDecimalsOrPrec === "number") {
targetUnits = this.units();
Expand All @@ -783,14 +783,18 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
targetUnits = targetUnitsOrMaxDecimalsOrPrec;
}
else if(targetUnitsOrMaxDecimalsOrPrec instanceof Qty) {
return this.toPrec(targetUnitsOrMaxDecimalsOrPrec).toString(maxDecimals);
if (onlyNumber) {
return this.toPrec(targetUnitsOrMaxDecimalsOrPrec).toString(maxDecimals).split(' ')[0];
} else {
return this.toPrec(targetUnitsOrMaxDecimalsOrPrec).toString(maxDecimals);
}
}

var out = this.to(targetUnits);

var outScalar = maxDecimals !== undefined ? round(out.scalar, maxDecimals) : out.scalar;
out = (outScalar + " " + out.units()).trim();
return out;
return (onlyNumber) ? outScalar : out;
},

// Compare two Qty objects. Throws an exception if they are not of compatible types.
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