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Get the intersection range between two ranges

Written byPhuoc Nguyen
07 Dec, 2023
JavaScript version
const intersection = (a, b) => (a[0] > b[1] || a[1] < b[0]) ? [] : [Math.max(a[0], b[0]), Math.min(a[1], b[1])];
TypeScript version
const intersection = (a: [number, number], b: [number, number]): number[] => (a[0] > b[1] || a[1] < b[0]) ? [] : [Math.max(a[0], b[0]), Math.min(a[1], b[1])];
intersection([0, 20], [15, 35]); // [15, 20]
intersection([0, 20], [40, 50]); // []
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