Edit File: piecewise.js
const get_classes = arr => { let classes = []; for (let i = 0; i < arr.length - 1; i++) { let a = arr[i]; let b = arr[i + 1]; if (a === undefined && b === undefined) { classes.push(undefined); } else if (a !== undefined && b !== undefined) { classes.push([a, b]); } else { classes.push(a !== undefined ? [a, a] : [b, b]); } } return classes; }; const interpolatorPiecewise = interpolator => arr => { let classes = get_classes(arr); return t => { let cls = t * classes.length; let idx = t >= 1 ? classes.length - 1 : Math.max(Math.floor(cls), 0); let pair = classes[idx]; return pair === undefined ? undefined : interpolator(pair[0], pair[1], cls - idx); }; }; export { interpolatorPiecewise };
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