2020-03-31 13:47:59 +08:00

45 lines
1.0 KiB
JavaScript

export function inRange(value, range, min) {
if (!Array.isArray(range)) {
range = [min, range];
}
return value >= range[0] && value <= range[1];
}
export function getPercent(min, max, value) {
return ((value - min) * 100) / (max - min);
}
export function getPrecision(step) {
let precision = 0;
const stepString = step.toString();
if (stepString.indexOf('.') !== -1) {
precision = stepString.length - stepString.indexOf('.') - 1;
}
return precision;
}
export function isEqual(left, right) {
if (Array.isArray(left)) {
return left[0] === right[0] && left[1] === right[1];
} else {
return left === right;
}
}
export function getDragging(current, preValue) {
let dragging = 'upper';
if (current > preValue[1]) {
dragging = 'upper';
} else if (current < preValue[0]) {
dragging = 'lower';
} else {
const mid = (preValue[0] + preValue[1]) / 2;
dragging = current < mid ? 'lower' : 'upper';
}
return dragging;
}