minify-font.js
1.66 KB
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'use strict';
const { unit } = require('postcss-value-parser');
const keywords = require('./keywords');
const minifyFamily = require('./minify-family');
const minifyWeight = require('./minify-weight');
/**
* @param {import('postcss-value-parser').Node[]} nodes
* @param {import('../index').Options} opts
* @return {import('postcss-value-parser').Node[]}
*/
module.exports = function (nodes, opts) {
let i, max, node, family;
let familyStart = NaN;
let hasSize = false;
for (i = 0, max = nodes.length; i < max; i += 1) {
node = nodes[i];
if (node.type === 'word') {
if (hasSize) {
continue;
}
const value = node.value.toLowerCase();
if (
value === 'normal' ||
value === 'inherit' ||
value === 'initial' ||
value === 'unset'
) {
familyStart = i;
} else if (keywords.style.has(value) || unit(value)) {
familyStart = i;
} else if (keywords.variant.has(value)) {
familyStart = i;
} else if (keywords.weight.has(value)) {
node.value = minifyWeight(value);
familyStart = i;
} else if (keywords.stretch.has(value)) {
familyStart = i;
} else if (keywords.size.has(value) || unit(value)) {
familyStart = i;
hasSize = true;
}
} else if (
node.type === 'function' &&
nodes[i + 1] &&
nodes[i + 1].type === 'space'
) {
familyStart = i;
} else if (node.type === 'div' && node.value === '/') {
familyStart = i + 1;
break;
}
}
familyStart += 2;
family = minifyFamily(nodes.slice(familyStart), opts);
return nodes.slice(0, familyStart).concat(family);
};