60 lines
1.8 KiB
JavaScript
Executable file
60 lines
1.8 KiB
JavaScript
Executable file
'use strict';
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function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
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var postcss = _interopDefault(require('postcss'));
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function _toArray(arr) {
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return _arrayWithHoles(arr) || _iterableToArray(arr) || _nonIterableRest();
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}
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function _arrayWithHoles(arr) {
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if (Array.isArray(arr)) return arr;
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}
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function _iterableToArray(iter) {
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if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
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}
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function _nonIterableRest() {
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throw new TypeError("Invalid attempt to destructure non-iterable instance");
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}
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const space = postcss.list.space; // overflow shorthand property matcher
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const overflowPropertyRegExp = /^overflow$/i;
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var index = postcss.plugin('postcss-overflow-shorthand', opts => {
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const preserve = 'preserve' in Object(opts) ? Boolean(opts.preserve) : true;
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return root => {
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// for each overflow declaration
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root.walkDecls(overflowPropertyRegExp, decl => {
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// split the declaration values
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const _space = space(decl.value),
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_space2 = _toArray(_space),
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overflowX = _space2[0],
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overflowY = _space2[1],
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invalidatingValues = _space2.slice(2); // if there are two values, but no invalidating values
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if (overflowY && !invalidatingValues.length) {
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// insert the overflow-* longhand declarations
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decl.cloneBefore({
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prop: `${decl.prop}-x`,
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value: overflowX
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});
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decl.cloneBefore({
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prop: `${decl.prop}-y`,
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value: overflowY
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}); // conditionally remove the original declaration
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if (!preserve) {
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decl.remove();
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}
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}
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});
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};
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});
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module.exports = index;
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//# sourceMappingURL=index.cjs.js.map
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