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51 lines
1.2 KiB
51 lines
1.2 KiB
'use strict';
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const transform = require('./lib/transform.js');
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/**
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* @typedef {{precision?: number | false,
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* preserve?: boolean,
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* warnWhenCannotResolve?: boolean,
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* mediaQueries?: boolean,
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* selectors?: boolean}} PostCssCalcOptions
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*/
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/**
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* @type {import('postcss').PluginCreator<PostCssCalcOptions>}
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* @param {PostCssCalcOptions} opts
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* @return {import('postcss').Plugin}
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*/
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function pluginCreator(opts) {
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const options = Object.assign(
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{
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precision: 5,
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preserve: false,
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warnWhenCannotResolve: false,
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mediaQueries: false,
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selectors: false,
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},
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opts
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);
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return {
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postcssPlugin: 'postcss-calc',
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OnceExit(css, { result }) {
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css.walk((node) => {
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const { type } = node;
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if (type === 'decl') {
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transform(node, 'value', options, result);
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}
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if (type === 'atrule' && options.mediaQueries) {
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transform(node, 'params', options, result);
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}
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if (type === 'rule' && options.selectors) {
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transform(node, 'selector', options, result);
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}
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});
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},
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};
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}
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pluginCreator.postcss = true;
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module.exports = pluginCreator;
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