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import React from 'react';
export type SystemProps = {
// Margin
mt?: number;
mb?: number;
ml?: number;
mr?: number;
mx?: number;
my?: number;
m?: number;
// Padding
pt?: number;
pb?: number;
pl?: number;
pr?: number;
px?: number;
py?: number;
p?: number;
// Arbitrary style
sx?: React.CSSProperties;
};
const calculateStyleValue = (multiplier: number, spacer: number = 1): string => {
return `${multiplier * spacer}em`;
};
const getSystemStyle = (
systemProps: SystemProps,
userStyle: React.CSSProperties = {}
): React.CSSProperties => {
const spacer = 1; // 1em
let style: React.CSSProperties = {};
// Margin
const { mt, mb, ml, mr, mx, my, m } = systemProps;
if (m !== undefined) {
const value = calculateStyleValue(m, spacer);
style.marginTop = value;
style.marginBottom = value;
style.marginLeft = value;
style.marginRight = value;
}
if (mx !== undefined) {
const value = calculateStyleValue(mx, spacer);
style.marginLeft = value;
style.marginRight = value;
}
if (my !== undefined) {
const value = calculateStyleValue(my, spacer);
style.marginTop = value;
style.marginBottom = value;
}
if (mt !== undefined) style.marginTop = calculateStyleValue(mt, spacer);
if (mb !== undefined) style.marginBottom = calculateStyleValue(mb, spacer);
if (ml !== undefined) style.marginLeft = calculateStyleValue(ml, spacer);
if (mr !== undefined) style.marginRight = calculateStyleValue(mr, spacer);
// Padding
const { pt, pb, pl, pr, px, py, p } = systemProps;
if (p !== undefined) {
const value = calculateStyleValue(p, spacer);
style.paddingTop = value;
style.paddingBottom = value;
style.paddingLeft = value;
style.paddingRight = value;
}
if (px !== undefined) {
const value = calculateStyleValue(px, spacer);
style.paddingLeft = value;
style.paddingRight = value;
}
if (py !== undefined) {
const value = calculateStyleValue(py, spacer);
style.paddingTop = value;
style.paddingBottom = value;
}
if (pt !== undefined) style.paddingTop = calculateStyleValue(pt, spacer);
if (pb !== undefined) style.paddingBottom = calculateStyleValue(pb, spacer);
if (pl !== undefined) style.paddingLeft = calculateStyleValue(pl, spacer);
if (pr !== undefined) style.paddingRight = calculateStyleValue(pr, spacer);
// Merge with arbitrary styles (sx)
if (systemProps.sx) {
style = { ...style, ...systemProps.sx };
}
// Override with user-defined style
style = { ...style, ...userStyle };
return style;
};
export {
getSystemStyle
};
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