105 lines
2.8 KiB
JavaScript
Executable file
105 lines
2.8 KiB
JavaScript
Executable file
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _postcssValueParser = _interopRequireDefault(require("postcss-value-parser"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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const atrule = 'atrule';
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const decl = 'decl';
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const rule = 'rule';
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function reduceCalcWhitespaces(node) {
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if (node.type === 'space') {
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node.value = ' ';
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} else if (node.type === 'function') {
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if (!['var', 'env', 'constant'].includes(node.value.toLowerCase())) {
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node.before = node.after = '';
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}
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}
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}
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function reduceWhitespaces(node) {
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if (node.type === 'space') {
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node.value = ' ';
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} else if (node.type === 'div') {
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node.before = node.after = '';
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} else if (node.type === 'function') {
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if (!['var', 'env', 'constant'].includes(node.value.toLowerCase())) {
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node.before = node.after = '';
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}
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if (node.value.toLowerCase() === 'calc') {
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_postcssValueParser.default.walk(node.nodes, reduceCalcWhitespaces);
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return false;
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}
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}
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}
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function pluginCreator() {
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return {
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postcssPlugin: 'postcss-normalize-whitespace',
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OnceExit(css) {
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const cache = {};
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css.walk(node => {
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const {
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type
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} = node;
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if (~[decl, rule, atrule].indexOf(type) && node.raws.before) {
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node.raws.before = node.raws.before.replace(/\s/g, '');
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}
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if (type === decl) {
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// Ensure that !important values do not have any excess whitespace
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if (node.important) {
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node.raws.important = '!important';
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} // Remove whitespaces around ie 9 hack
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node.value = node.value.replace(/\s*(\\9)\s*/, '$1');
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const value = node.value;
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if (cache[value]) {
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node.value = cache[value];
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} else {
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const parsed = (0, _postcssValueParser.default)(node.value);
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const result = parsed.walk(reduceWhitespaces).toString(); // Trim whitespace inside functions & dividers
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node.value = result;
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cache[value] = result;
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} // Remove extra semicolons and whitespace before the declaration
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if (node.raws.before) {
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const prev = node.prev();
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if (prev && prev.type !== rule) {
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node.raws.before = node.raws.before.replace(/;/g, '');
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}
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}
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node.raws.between = ':';
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node.raws.semicolon = false;
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} else if (type === rule || type === atrule) {
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node.raws.between = node.raws.after = '';
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node.raws.semicolon = false;
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}
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}); // Remove final newline
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css.raws.after = '';
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}
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};
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}
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pluginCreator.postcss = true;
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var _default = pluginCreator;
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exports.default = _default;
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module.exports = exports.default; |