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index.js
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index.js
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const valueParser = require('postcss-value-parser');
const path = require('path');
const fg = require('fast-glob');
const sort = require('fast-sort');
const SORTERS = ['asc', 'desc'];
const DEFAULT_SORTER = 'asc';
module.exports = (opts = {}) => {
const sorter = SORTERS.indexOf(opts.sort) !== -1 ? opts.sort : DEFAULT_SORTER;
return {
postcssPlugin: 'postcss-import-ext-glob',
Once(root, { AtRule, result }) {
const promisesList = [];
root.walkAtRules('import-glob', (rule) => {
promisesList.push(
new Promise((resolve) => {
const globList = [];
let layer = new Map();
const params = valueParser(rule.params).nodes;
const dirName =
typeof rule.source.input.file === 'string'
? path.dirname(rule.source.input.file)
: __dirname;
for (const param of params) {
if (param.type === 'string') {
globList.push(
path.join(dirName, param.value).replace(/\\/g, '/')
);
}
if (param.type === 'function' && param.value === 'layer') {
layer.set(dirName, param.nodes[0].value)
}
}
if (globList.length) {
fg(globList).then((entries) => {
if (!entries.length) {
result.warn(`No file found for @import-glob ${rule.params}`, {
node: rule,
});
}
const sortedEntries = sort(entries)[sorter]();
sortedEntries.forEach((entry) => {
let paramValue = layer.get(dirName) ? `"${entry}" layer(${layer.get(dirName)})` : `"${entry}"`
rule.before(
new AtRule({
name: 'import',
params: paramValue,
source: rule.source,
})
);
});
rule.remove();
resolve();
});
} else {
throw rule.error(
`No string found with rule @import-glob ${rule.params}`,
{
word: rule.params,
}
);
}
})
);
});
return Promise.all(promisesList);
},
};
};
module.exports.postcss = true;