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41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
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"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 = function (selector) {
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for (var i = 0; i < selector.length; i++) {
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if (selector[i] !== "&") {
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continue;
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}
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if (!_lodash2.default.isUndefined(selector[i - 1]) && !isCombinator(selector[i - 1])) {
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return true;
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}
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if (!_lodash2.default.isUndefined(selector[i + 1]) && !isCombinator(selector[i + 1])) {
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return true;
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}
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}
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return false;
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};
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var _lodash = require("lodash");
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var _lodash2 = _interopRequireDefault(_lodash);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function isCombinator(x) {
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return (/[\s+>~]/.test(x)
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);
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}
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/**
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* Check whether a selector has an interpolating ampersand
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* An "interpolating ampersand" is an "&" used to interpolate within another
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* simple selector (e.g. `&-modifier`), rather than an "&" that stands
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* on its own as a simple selector (e.g. `& .child`)
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*
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* @param {string} selector
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* @return {boolean} If `true`, the selector has an interpolating ampersand
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*/
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