mirror of https://github.com/tooot-app/app
46 lines
856 B
TypeScript
46 lines
856 B
TypeScript
export const aspectRatio = ({
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total,
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index,
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width,
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height
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}: {
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total: number
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index?: number
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width?: number
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height?: number
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}): number => {
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const defaultCrop =
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height && width
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? height / width > 3 / 2
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? 2 / 3
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: width / height > 4
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? 4
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: width / height
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: 16 / 9
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const isEven = total % 2 == 0
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if (total > 5) {
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switch (isEven) {
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case true:
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return total / 2 / 2
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case false:
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if ((index || -2) + 1 == total) {
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return Math.ceil(total / 2)
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} else {
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return Math.ceil(total / 2) / 2
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}
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}
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} else {
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switch (isEven) {
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case true:
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return defaultCrop
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case false:
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if ((index || -2) + 1 == total) {
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return defaultCrop * 2
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} else {
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return defaultCrop
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}
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}
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}
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}
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