public_library_map/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;
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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);
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}) : (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;
};
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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));
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};
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"));
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var boolbase = __importStar(require("boolbase"));
var helpers_js_1 = require("./helpers.js");
var positionals_js_1 = require("./positionals.js");
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// 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; } });
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var UNIVERSAL_SELECTOR = {
type: css_what_1.SelectorType.Universal,
namespace: null,
};
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var SCOPE_PSEUDO = {
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type: css_what_1.SelectorType.Pseudo,
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name: "scope",
data: 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);
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var _a = (0, helpers_js_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))) ||
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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 = {}; }
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return filterParsed((0, css_what_1.parse)(selector), elements, options);
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}
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 [];
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var _a = (0, helpers_js_1.groupSelectors)(selector), plainSelectors = _a[0], filteredSelectors = _a[1];
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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.
*/
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var root = (_a = options.root) !== null && _a !== void 0 ? _a : (0, helpers_js_1.getDocumentRoot)(elements[0]);
var opts = __assign(__assign({}, options), { context: elements, relativeSelector: false });
selector.push(SCOPE_PSEUDO);
return findFilterElements(root, selector, opts, true, elements.length);
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}
// Performance optimization: If we don't have to traverse, just filter set.
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return findFilterElements(elements, selector, options, false, elements.length);
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}
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function select(selector, root, options, limit) {
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if (options === void 0) { options = {}; }
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if (limit === void 0) { limit = Infinity; }
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if (typeof selector === "function") {
return find(root, selector);
}
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var _a = (0, helpers_js_1.groupSelectors)((0, css_what_1.parse)(selector)), plain = _a[0], filtered = _a[1];
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var results = filtered.map(function (sel) {
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return findFilterElements(root, sel, options, true, limit);
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});
// Plain selectors can be queried in a single go
if (plain.length) {
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results.push(findElements(root, plain, options, limit));
}
if (results.length === 0) {
return [];
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}
// If there was only a single selector, just return the result
if (results.length === 1) {
return results[0];
}
// Sort results, filtering for duplicates
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return DomUtils.uniqueSort(results.reduce(function (a, b) { return __spreadArray(__spreadArray([], a, true), b, true); }));
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}
exports.select = select;
/**
*
* @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.
*/
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function findFilterElements(root, selector, options, queryForSelector, totalLimit) {
var filterIndex = selector.findIndex(positionals_js_1.isFilter);
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var sub = selector.slice(0, filterIndex);
var filter = selector[filterIndex];
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// If we are at the end of the selector, we can limit the number of elements to retrieve.
var partLimit = selector.length - 1 === filterIndex ? totalLimit : Infinity;
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/*
* Set the number of elements to retrieve.
* Eg. for :first, we only have to get a single element.
*/
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var limit = (0, positionals_js_1.getLimit)(filter.name, filter.data, partLimit);
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if (limit === 0)
return [];
/*
* 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)
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: sub.length === 0
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? (Array.isArray(root) ? root : [root]).filter(DomUtils.isTag)
: queryForSelector || sub.some(css_what_1.isTraversal)
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? findElements(root, [sub], options, limit)
: filterElements(root, [sub], options);
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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);
if (remainingHasTraversal) {
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if ((0, css_what_1.isTraversal)(remainingSelector[0])) {
var type = remainingSelector[0].type;
if (type === css_what_1.SelectorType.Sibling ||
type === css_what_1.SelectorType.Adjacent) {
// If we have a sibling traversal, we need to also look at the siblings.
result = (0, css_select_1.prepareContext)(result, DomUtils, true);
}
// Avoid a traversal-first selector error.
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remainingSelector.unshift(UNIVERSAL_SELECTOR);
}
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options = __assign(__assign({}, options), {
// Avoid absolutizing the selector
relativeSelector: false,
/*
* Add a custom root func, to make sure traversals don't match elements
* that aren't a part of the considered tree.
*/
rootFunc: function (el) { return result.includes(el); } });
}
else if (options.rootFunc && options.rootFunc !== boolbase.trueFunc) {
options = __assign(__assign({}, options), { rootFunc: boolbase.trueFunc });
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}
/*
* 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,
*/
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return remainingSelector.some(positionals_js_1.isFilter)
? findFilterElements(result, remainingSelector, options, false, totalLimit)
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: remainingHasTraversal
? // Query existing elements to resolve traversal.
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findElements(result, [remainingSelector], options, totalLimit)
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: // If we don't have any more traversals, simply filter elements.
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filterElements(result, [remainingSelector], options);
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}
function findElements(root, sel, options, limit) {
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var query = (0, css_select_1._compileToken)(sel, options, root);
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return find(root, query, limit);
}
function find(root, query, limit) {
if (limit === void 0) { limit = Infinity; }
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var elems = (0, css_select_1.prepareContext)(root, DomUtils, query.shouldTestNextSiblings);
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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;
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var query = (0, css_select_1._compileToken)(sel, options);
return query === boolbase.trueFunc ? els : els.filter(query);
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}
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//# sourceMappingURL=index.js.map