81 lines
2.3 KiB
JavaScript
81 lines
2.3 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _postcssValueParser = require('postcss-value-parser');
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var _postcssValueParser2 = _interopRequireDefault(_postcssValueParser);
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var _helpers = require('./helpers');
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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exports.default = function (functions) {
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function transformValue(node, prop) {
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var promises = [];
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var values = (0, _postcssValueParser2.default)(node[prop]).walk(function (part) {
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promises.push(transform(part));
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});
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if ((0, _helpers.hasPromises)(promises)) promises = Promise.all(promises);
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return (0, _helpers.then)(promises, function () {
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node[prop] = values.toString();
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});
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}
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function transform(node) {
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if (node.type !== 'function' || !functions.hasOwnProperty(node.value)) return node;
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var func = functions[node.value];
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return (0, _helpers.then)(extractArguments(node.nodes), function (args) {
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var invocation = func.apply(func, args);
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return (0, _helpers.then)(invocation, function (val) {
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node.type = 'word';
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node.value = val;
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return node;
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});
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});
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}
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function extractArguments(nodes) {
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nodes = nodes.map(function (node) {
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return transform(node);
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});
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if ((0, _helpers.hasPromises)(nodes)) nodes = Promise.all(nodes);
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return (0, _helpers.then)(nodes, function (values) {
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var args = [];
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var last = values.reduce(function (prev, node) {
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if (node.type === 'div' && node.value === ',') {
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args.push(prev);
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return '';
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}
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return prev + _postcssValueParser2.default.stringify(node);
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}, '');
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if (last) args.push(last);
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return args;
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});
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}
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return function (node) {
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switch (node.type) {
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case 'decl':
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return transformValue(node, 'value');
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case 'atrule':
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return transformValue(node, 'params');
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case 'rule':
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return transformValue(node, 'selector');
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}
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};
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};
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module.exports = exports['default']; |