popmotion/lib/easing/steps.js

The animator's toolbox

import { clamp } from '../utils/clamp';
export var steps = function (steps, direction) {
    if (direction === void 0) { direction = 'end'; }
    return function (progress) {
        progress =
            direction === 'end' ? Math.min(progress, 0.999) : Math.max(progress, 0.001);
        var expanded = progress * steps;
        var rounded = direction === 'end' ? Math.floor(expanded) : Math.ceil(expanded);
        return clamp(0, 1, rounded / steps);
    };
};
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