81 lines
2.2 KiB
Plaintext
81 lines
2.2 KiB
Plaintext
import { definePreset } from '@unocss/core';
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import { presetWind } from '@unocss/preset-wind';
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import { parseCssColor, colorToString } from '@unocss/rule-utils';
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function mixComponent(v1, v2, w) {
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return `calc(${v2} + (${v1} - ${v2}) * ${w} / 100)`;
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}
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function mixColor(color1, color2, weight) {
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const colors = [color1, color2];
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const cssColors = [];
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for (let c = 0; c < 2; ++c) {
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const color = typeof colors[c] === "string" ? parseCssColor(colors[c]) : colors[c];
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if (!color || !["rgb", "rgba"].includes(color.type))
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return;
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cssColors.push(color);
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}
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const newComponents = [];
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for (let x = 0; x < 3; ++x)
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newComponents.push(mixComponent(cssColors[0].components[x], cssColors[1].components[x], weight));
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return {
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type: "rgb",
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components: newComponents,
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alpha: mixComponent(cssColors[0].alpha ?? 1, cssColors[1].alpha ?? 1, weight)
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};
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}
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function tint(color, weight) {
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return mixColor("#fff", color, weight);
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}
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function shade(color, weight) {
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return mixColor("#000", color, weight);
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}
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function shift(color, weight) {
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const num = Number.parseFloat(`${weight}`);
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if (!Number.isNaN(num))
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return num > 0 ? shade(color, weight) : tint(color, -num);
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}
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const fns = { tint, shade, shift };
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function variantColorMix() {
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let re;
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return {
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name: "mix",
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match(matcher, ctx) {
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if (!re)
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re = new RegExp(`^mix-(tint|shade|shift)-(-?\\d{1,3})(?:${ctx.generator.config.separators.join("|")})`);
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const m = matcher.match(re);
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if (m) {
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return {
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matcher: matcher.slice(m[0].length),
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body: (body) => {
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body.forEach((v) => {
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if (v[1]) {
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const color = parseCssColor(`${v[1]}`);
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if (color) {
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const mixed = fns[m[1]](color, m[2]);
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if (mixed)
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v[1] = colorToString(mixed);
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}
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}
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});
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return body;
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}
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};
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}
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}
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};
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}
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const presetUno = definePreset((options = {}) => {
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const wind = presetWind(options);
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return {
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...wind,
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name: "@unocss/preset-uno",
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variants: [
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...wind.variants,
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variantColorMix()
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]
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};
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});
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export { presetUno as default, presetUno };
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