@blueprintjs/core
Version:
Core styles & components
39 lines • 1.33 kB
JavaScript
/*
* Copyright 2018 Palantir Technologies, Inc. All rights reserved.
*
* Licensed under the terms of the LICENSE file distributed with this project.
*/
/** Helper function for formatting ratios as CSS percentage values. */
export function formatPercentage(ratio) {
return `${(ratio * 100).toFixed(2)}%`;
}
/**
* Mutates the values array by filling all the values between start and end index (inclusive) with the fill value.
*/
export function fillValues(values, startIndex, endIndex, fillValue) {
const inc = startIndex < endIndex ? 1 : -1;
for (let index = startIndex; index !== endIndex + inc; index += inc) {
values[index] = fillValue;
}
}
/**
* Returns the minimum element of an array as determined by comparing the results of calling the arg function on each
* element of the array. The function will only be called once per element.
*/
export function argMin(values, argFn) {
if (values.length === 0) {
return undefined;
}
let minValue = values[0];
let minArg = argFn(minValue);
for (let index = 1; index < values.length; index++) {
const value = values[index];
const arg = argFn(value);
if (arg < minArg) {
minValue = value;
minArg = arg;
}
}
return minValue;
}
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