| "use strict"; |
| Object.defineProperty(exports, "__esModule", { value: true }); |
| exports.compilePseudoSelector = exports.aliases = exports.pseudos = exports.filters = void 0; |
| /* |
| * Pseudo selectors |
| * |
| * Pseudo selectors are available in three forms: |
| * |
| * 1. Filters are called when the selector is compiled and return a function |
| * that has to return either false, or the results of `next()`. |
| * 2. Pseudos are called on execution. They have to return a boolean. |
| * 3. Subselects work like filters, but have an embedded selector that will be run separately. |
| * |
| * Filters are great if you want to do some pre-processing, or change the call order |
| * of `next()` and your code. |
| * Pseudos should be used to implement simple checks. |
| */ |
| var boolbase_1 = require("boolbase"); |
| var css_what_1 = require("css-what"); |
| var filters_1 = require("./filters"); |
| Object.defineProperty(exports, "filters", { enumerable: true, get: function () { return filters_1.filters; } }); |
| var pseudos_1 = require("./pseudos"); |
| Object.defineProperty(exports, "pseudos", { enumerable: true, get: function () { return pseudos_1.pseudos; } }); |
| var aliases_1 = require("./aliases"); |
| Object.defineProperty(exports, "aliases", { enumerable: true, get: function () { return aliases_1.aliases; } }); |
| var subselects_1 = require("./subselects"); |
| function compilePseudoSelector(next, selector, options, context, compileToken) { |
| var name = selector.name, data = selector.data; |
| if (Array.isArray(data)) { |
| return subselects_1.subselects[name](next, data, options, context, compileToken); |
| } |
| if (name in aliases_1.aliases) { |
| if (data != null) { |
| throw new Error("Pseudo ".concat(name, " doesn't have any arguments")); |
| } |
| // The alias has to be parsed here, to make sure options are respected. |
| var alias = (0, css_what_1.parse)(aliases_1.aliases[name], options); |
| return subselects_1.subselects.is(next, alias, options, context, compileToken); |
| } |
| if (name in filters_1.filters) { |
| return filters_1.filters[name](next, data, options, context); |
| } |
| if (name in pseudos_1.pseudos) { |
| var pseudo_1 = pseudos_1.pseudos[name]; |
| (0, pseudos_1.verifyPseudoArgs)(pseudo_1, name, data); |
| return pseudo_1 === boolbase_1.falseFunc |
| ? boolbase_1.falseFunc |
| : next === boolbase_1.trueFunc |
| ? function (elem) { return pseudo_1(elem, options, data); } |
| : function (elem) { return pseudo_1(elem, options, data) && next(elem); }; |
| } |
| throw new Error("unmatched pseudo-class :".concat(name)); |
| } |
| exports.compilePseudoSelector = compilePseudoSelector; |