copy-style.js•1.42 kB
"use strict";
const oneDepthCopy = (obj, nestKeys) => ({
...obj,
...nestKeys.reduce((memo, key) => {
if (obj[key]) memo[key] = {
...obj[key]
};
return memo;
}, {})
});
const setIfExists = function (src, dst, key) {
let nestKeys = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : [];
if (src[key]) dst[key] = oneDepthCopy(src[key], nestKeys);
};
const isEmptyObj = obj => Object.keys(obj).length === 0;
const copyStyle = style => {
if (!style) return style;
if (isEmptyObj(style)) return {};
const copied = {
...style
};
setIfExists(style, copied, 'font', ['color']);
setIfExists(style, copied, 'alignment');
setIfExists(style, copied, 'protection');
if (style.border) {
setIfExists(style, copied, 'border');
setIfExists(style.border, copied.border, 'top', ['color']);
setIfExists(style.border, copied.border, 'left', ['color']);
setIfExists(style.border, copied.border, 'bottom', ['color']);
setIfExists(style.border, copied.border, 'right', ['color']);
setIfExists(style.border, copied.border, 'diagonal', ['color']);
}
if (style.fill) {
setIfExists(style, copied, 'fill', ['fgColor', 'bgColor', 'center']);
if (style.fill.stops) {
copied.fill.stops = style.fill.stops.map(s => oneDepthCopy(s, ['color']));
}
}
return copied;
};
exports.copyStyle = copyStyle;
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