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node_modules/cheerio-select/lib/index.js

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+"use strict";
+var __assign = (this && this.__assign) || function () {
+    __assign = Object.assign || function(t) {
+        for (var s, i = 1, n = arguments.length; i < n; i++) {
+            s = arguments[i];
+            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
+                t[p] = s[p];
+        }
+        return t;
+    };
+    return __assign.apply(this, arguments);
+};
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
+    if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
+        if (ar || !(i in from)) {
+            if (!ar) ar = Array.prototype.slice.call(from, 0, i);
+            ar[i] = from[i];
+        }
+    }
+    return to.concat(ar || Array.prototype.slice.call(from));
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.select = exports.filter = exports.some = exports.is = exports.aliases = exports.pseudos = exports.filters = void 0;
+var css_what_1 = require("css-what");
+var css_select_1 = require("css-select");
+var DomUtils = __importStar(require("domutils"));
+var helpers_1 = require("./helpers");
+var positionals_1 = require("./positionals");
+// Re-export pseudo extension points
+var css_select_2 = require("css-select");
+Object.defineProperty(exports, "filters", { enumerable: true, get: function () { return css_select_2.filters; } });
+Object.defineProperty(exports, "pseudos", { enumerable: true, get: function () { return css_select_2.pseudos; } });
+Object.defineProperty(exports, "aliases", { enumerable: true, get: function () { return css_select_2.aliases; } });
+/** Used to indicate a scope should be filtered. Might be ignored when filtering. */
+var SCOPE_PSEUDO = {
+    type: css_what_1.SelectorType.Pseudo,
+    name: "scope",
+    data: null,
+};
+/** Used for actually filtering for scope. */
+var CUSTOM_SCOPE_PSEUDO = __assign({}, SCOPE_PSEUDO);
+var UNIVERSAL_SELECTOR = {
+    type: css_what_1.SelectorType.Universal,
+    namespace: null,
+};
+function is(element, selector, options) {
+    if (options === void 0) { options = {}; }
+    return some([element], selector, options);
+}
+exports.is = is;
+function some(elements, selector, options) {
+    if (options === void 0) { options = {}; }
+    if (typeof selector === "function")
+        return elements.some(selector);
+    var _a = (0, helpers_1.groupSelectors)((0, css_what_1.parse)(selector)), plain = _a[0], filtered = _a[1];
+    return ((plain.length > 0 && elements.some((0, css_select_1._compileToken)(plain, options))) ||
+        filtered.some(function (sel) { return filterBySelector(sel, elements, options).length > 0; }));
+}
+exports.some = some;
+function filterByPosition(filter, elems, data, options) {
+    var num = typeof data === "string" ? parseInt(data, 10) : NaN;
+    switch (filter) {
+        case "first":
+        case "lt":
+            // Already done in `getLimit`
+            return elems;
+        case "last":
+            return elems.length > 0 ? [elems[elems.length - 1]] : elems;
+        case "nth":
+        case "eq":
+            return isFinite(num) && Math.abs(num) < elems.length
+                ? [num < 0 ? elems[elems.length + num] : elems[num]]
+                : [];
+        case "gt":
+            return isFinite(num) ? elems.slice(num + 1) : [];
+        case "even":
+            return elems.filter(function (_, i) { return i % 2 === 0; });
+        case "odd":
+            return elems.filter(function (_, i) { return i % 2 === 1; });
+        case "not": {
+            var filtered_1 = new Set(filterParsed(data, elems, options));
+            return elems.filter(function (e) { return !filtered_1.has(e); });
+        }
+    }
+}
+function filter(selector, elements, options) {
+    if (options === void 0) { options = {}; }
+    return filterParsed((0, css_what_1.parse)(selector), elements, options);
+}
+exports.filter = filter;
+/**
+ * Filter a set of elements by a selector.
+ *
+ * Will return elements in the original order.
+ *
+ * @param selector Selector to filter by.
+ * @param elements Elements to filter.
+ * @param options Options for selector.
+ */
+function filterParsed(selector, elements, options) {
+    if (elements.length === 0)
+        return [];
+    var _a = (0, helpers_1.groupSelectors)(selector), plainSelectors = _a[0], filteredSelectors = _a[1];
+    var found;
+    if (plainSelectors.length) {
+        var filtered = filterElements(elements, plainSelectors, options);
+        // If there are no filters, just return
+        if (filteredSelectors.length === 0) {
+            return filtered;
+        }
+        // Otherwise, we have to do some filtering
+        if (filtered.length) {
+            found = new Set(filtered);
+        }
+    }
+    for (var i = 0; i < filteredSelectors.length && (found === null || found === void 0 ? void 0 : found.size) !== elements.length; i++) {
+        var filteredSelector = filteredSelectors[i];
+        var missing = found
+            ? elements.filter(function (e) { return DomUtils.isTag(e) && !found.has(e); })
+            : elements;
+        if (missing.length === 0)
+            break;
+        var filtered = filterBySelector(filteredSelector, elements, options);
+        if (filtered.length) {
+            if (!found) {
+                /*
+                 * If we haven't found anything before the last selector,
+                 * just return what we found now.
+                 */
+                if (i === filteredSelectors.length - 1) {
+                    return filtered;
+                }
+                found = new Set(filtered);
+            }
+            else {
+                filtered.forEach(function (el) { return found.add(el); });
+            }
+        }
+    }
+    return typeof found !== "undefined"
+        ? (found.size === elements.length
+            ? elements
+            : // Filter elements to preserve order
+                elements.filter(function (el) {
+                    return found.has(el);
+                }))
+        : [];
+}
+function filterBySelector(selector, elements, options) {
+    var _a;
+    if (selector.some(css_what_1.isTraversal)) {
+        /*
+         * Get root node, run selector with the scope
+         * set to all of our nodes.
+         */
+        var root = (_a = options.root) !== null && _a !== void 0 ? _a : (0, helpers_1.getDocumentRoot)(elements[0]);
+        var sel = __spreadArray(__spreadArray([], selector, true), [CUSTOM_SCOPE_PSEUDO], false);
+        return findFilterElements(root, sel, options, true, elements);
+    }
+    // Performance optimization: If we don't have to traverse, just filter set.
+    return findFilterElements(elements, selector, options, false);
+}
+function select(selector, root, options) {
+    if (options === void 0) { options = {}; }
+    if (typeof selector === "function") {
+        return find(root, selector);
+    }
+    var _a = (0, helpers_1.groupSelectors)((0, css_what_1.parse)(selector)), plain = _a[0], filtered = _a[1];
+    var results = filtered.map(function (sel) {
+        return findFilterElements(root, sel, options, true);
+    });
+    // Plain selectors can be queried in a single go
+    if (plain.length) {
+        results.push(findElements(root, plain, options, Infinity));
+    }
+    if (results.length === 0) {
+        return [];
+    }
+    // If there was only a single selector, just return the result
+    if (results.length === 1) {
+        return results[0];
+    }
+    // Sort results, filtering for duplicates
+    return DomUtils.uniqueSort(results.reduce(function (a, b) { return __spreadArray(__spreadArray([], a, true), b, true); }));
+}
+exports.select = select;
+// Traversals that are treated differently in css-select.
+var specialTraversal = new Set([
+    css_what_1.SelectorType.Descendant,
+    css_what_1.SelectorType.Adjacent,
+]);
+function includesScopePseudo(t) {
+    return (t !== SCOPE_PSEUDO &&
+        t.type === "pseudo" &&
+        (t.name === "scope" ||
+            (Array.isArray(t.data) &&
+                t.data.some(function (data) { return data.some(includesScopePseudo); }))));
+}
+function addContextIfScope(selector, options, scopeContext) {
+    return scopeContext && selector.some(includesScopePseudo)
+        ? __assign(__assign({}, options), { context: scopeContext }) : options;
+}
+/**
+ *
+ * @param root Element(s) to search from.
+ * @param selector Selector to look for.
+ * @param options Options for querying.
+ * @param queryForSelector Query multiple levels deep for the initial selector, even if it doesn't contain a traversal.
+ * @param scopeContext Optional context for a :scope.
+ */
+function findFilterElements(root, selector, options, queryForSelector, scopeContext) {
+    var filterIndex = selector.findIndex(positionals_1.isFilter);
+    var sub = selector.slice(0, filterIndex);
+    var filter = selector[filterIndex];
+    /*
+     * Set the number of elements to retrieve.
+     * Eg. for :first, we only have to get a single element.
+     */
+    var limit = (0, positionals_1.getLimit)(filter.name, filter.data);
+    if (limit === 0)
+        return [];
+    var subOpts = addContextIfScope(sub, options, scopeContext);
+    /*
+     * Skip `findElements` call if our selector starts with a positional
+     * pseudo.
+     */
+    var elemsNoLimit = sub.length === 0 && !Array.isArray(root)
+        ? DomUtils.getChildren(root).filter(DomUtils.isTag)
+        : sub.length === 0 || (sub.length === 1 && sub[0] === SCOPE_PSEUDO)
+            ? (Array.isArray(root) ? root : [root]).filter(DomUtils.isTag)
+            : queryForSelector || sub.some(css_what_1.isTraversal)
+                ? findElements(root, [sub], subOpts, limit)
+                : filterElements(root, [sub], subOpts);
+    var elems = elemsNoLimit.slice(0, limit);
+    var result = filterByPosition(filter.name, elems, filter.data, options);
+    if (result.length === 0 || selector.length === filterIndex + 1) {
+        return result;
+    }
+    var remainingSelector = selector.slice(filterIndex + 1);
+    var remainingHasTraversal = remainingSelector.some(css_what_1.isTraversal);
+    var remainingOpts = addContextIfScope(remainingSelector, options, scopeContext);
+    if (remainingHasTraversal) {
+        /*
+         * Some types of traversals have special logic when they start a selector
+         * in css-select. If this is the case, add a universal selector in front of
+         * the selector to avoid this behavior.
+         */
+        if (specialTraversal.has(remainingSelector[0].type)) {
+            remainingSelector.unshift(UNIVERSAL_SELECTOR);
+        }
+        /*
+         * Add a scope token in front of the remaining selector,
+         * to make sure traversals don't match elements that aren't a
+         * part of the considered tree.
+         */
+        remainingSelector.unshift(SCOPE_PSEUDO);
+    }
+    /*
+     * If we have another filter, recursively call `findFilterElements`,
+     * with the `recursive` flag disabled. We only have to look for more
+     * elements when we see a traversal.
+     *
+     * Otherwise,
+     */
+    return remainingSelector.some(positionals_1.isFilter)
+        ? findFilterElements(result, remainingSelector, options, false, scopeContext)
+        : remainingHasTraversal
+            ? // Query existing elements to resolve traversal.
+                findElements(result, [remainingSelector], remainingOpts, Infinity)
+            : // If we don't have any more traversals, simply filter elements.
+                filterElements(result, [remainingSelector], remainingOpts);
+}
+function findElements(root, sel, options, limit) {
+    if (limit === 0)
+        return [];
+    var query = (0, css_select_1._compileToken)(sel, options, root);
+    return find(root, query, limit);
+}
+function find(root, query, limit) {
+    if (limit === void 0) { limit = Infinity; }
+    var elems = (0, css_select_1.prepareContext)(root, DomUtils, query.shouldTestNextSiblings);
+    return DomUtils.find(function (node) { return DomUtils.isTag(node) && query(node); }, elems, true, limit);
+}
+function filterElements(elements, sel, options) {
+    var els = (Array.isArray(elements) ? elements : [elements]).filter(DomUtils.isTag);
+    if (els.length === 0)
+        return els;
+    var query = (0, css_select_1._compileToken)(sel, options);
+    return els.filter(query);
+}