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25 lines
582 B
25 lines
582 B
3 years ago
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/* eslint-disable import/prefer-default-export */
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// https://zhuanlan.zhihu.com/p/32746810
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export function getFontSizes(base: number) {
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const fontSizes = new Array(10).fill(null).map((_, index) => {
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const i = index - 1;
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const baseSize = base * 2.71828 ** (i / 5);
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const intSize = index > 1 ? Math.floor(baseSize) : Math.ceil(baseSize);
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// Convert to even
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return Math.floor(intSize / 2) * 2;
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});
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fontSizes[1] = base;
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return fontSizes.map(size => {
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const height = size + 8;
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return {
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size,
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lineHeight: height / size,
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};
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});
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}
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