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import { AltTextNode } from "../altNodes/altMixins";

export const commonLineHeight = (node: AltTextNode): number => {

if (

node.lineHeight !== figma.mixed &&

node.lineHeight.unit !== "AUTO" &&

Math.round(node.lineHeight.value) !== 0

) {

if (node.lineHeight.unit === "PIXELS") {

return node.lineHeight.value;

} else {

if (node.fontSize !== figma.mixed) {

// based on tests, using Inter font with varied sizes and weights, this works.

// example: 24 * 20 / 100 = 4.8px, which is correct visually.

return (node.fontSize * node.lineHeight.value) / 100;

}

}

}

return 0;

};

export const commonLetterSpacing = (node: AltTextNode): number => {

if (

node.letterSpacing !== figma.mixed &&

Math.round(node.letterSpacing.value) !== 0

) {

if (node.letterSpacing.unit === "PIXELS") {

return node.letterSpacing.value;

} else {

if (node.fontSize !== figma.mixed) {

// read [commonLineHeight] comment to understand what is going on here.

return (node.fontSize * node.letterSpacing.value) / 100;

}

}

}

return 0;

};