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Diffstat (limited to 'node_modules/domutils/lib/esm/querying.js')
| -rw-r--r-- | node_modules/domutils/lib/esm/querying.js | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/node_modules/domutils/lib/esm/querying.js b/node_modules/domutils/lib/esm/querying.js deleted file mode 100644 index c0074269..00000000 --- a/node_modules/domutils/lib/esm/querying.js +++ /dev/null @@ -1,145 +0,0 @@ -import { isTag, hasChildren } from "domhandler"; -/** - * Search a node and its children for nodes passing a test function. If `node` is not an array, it will be wrapped in one. - * - * @category Querying - * @param test Function to test nodes on. - * @param node Node to search. Will be included in the result set if it matches. - * @param recurse Also consider child nodes. - * @param limit Maximum number of nodes to return. - * @returns All nodes passing `test`. - */ -export function filter(test, node, recurse = true, limit = Infinity) { - return find(test, Array.isArray(node) ? node : [node], recurse, limit); -} -/** - * Search an array of nodes and their children for nodes passing a test function. - * - * @category Querying - * @param test Function to test nodes on. - * @param nodes Array of nodes to search. - * @param recurse Also consider child nodes. - * @param limit Maximum number of nodes to return. - * @returns All nodes passing `test`. - */ -export function find(test, nodes, recurse, limit) { - const result = []; - /** Stack of the arrays we are looking at. */ - const nodeStack = [nodes]; - /** Stack of the indices within the arrays. */ - const indexStack = [0]; - for (;;) { - // First, check if the current array has any more elements to look at. - if (indexStack[0] >= nodeStack[0].length) { - // If we have no more arrays to look at, we are done. - if (indexStack.length === 1) { - return result; - } - // Otherwise, remove the current array from the stack. - nodeStack.shift(); - indexStack.shift(); - // Loop back to the start to continue with the next array. - continue; - } - const elem = nodeStack[0][indexStack[0]++]; - if (test(elem)) { - result.push(elem); - if (--limit <= 0) - return result; - } - if (recurse && hasChildren(elem) && elem.children.length > 0) { - /* - * Add the children to the stack. We are depth-first, so this is - * the next array we look at. - */ - indexStack.unshift(0); - nodeStack.unshift(elem.children); - } - } -} -/** - * Finds the first element inside of an array that matches a test function. This is an alias for `Array.prototype.find`. - * - * @category Querying - * @param test Function to test nodes on. - * @param nodes Array of nodes to search. - * @returns The first node in the array that passes `test`. - * @deprecated Use `Array.prototype.find` directly. - */ -export function findOneChild(test, nodes) { - return nodes.find(test); -} -/** - * Finds one element in a tree that passes a test. - * - * @category Querying - * @param test Function to test nodes on. - * @param nodes Node or array of nodes to search. - * @param recurse Also consider child nodes. - * @returns The first node that passes `test`. - */ -export function findOne(test, nodes, recurse = true) { - let elem = null; - for (let i = 0; i < nodes.length && !elem; i++) { - const node = nodes[i]; - if (!isTag(node)) { - continue; - } - else if (test(node)) { - elem = node; - } - else if (recurse && node.children.length > 0) { - elem = findOne(test, node.children, true); - } - } - return elem; -} -/** - * Checks if a tree of nodes contains at least one node passing a test. - * - * @category Querying - * @param test Function to test nodes on. - * @param nodes Array of nodes to search. - * @returns Whether a tree of nodes contains at least one node passing the test. - */ -export function existsOne(test, nodes) { - return nodes.some((checked) => isTag(checked) && - (test(checked) || existsOne(test, checked.children))); -} -/** - * Search an array of nodes and their children for elements passing a test function. - * - * Same as `find`, but limited to elements and with less options, leading to reduced complexity. - * - * @category Querying - * @param test Function to test nodes on. - * @param nodes Array of nodes to search. - * @returns All nodes passing `test`. - */ -export function findAll(test, nodes) { - const result = []; - const nodeStack = [nodes]; - const indexStack = [0]; - for (;;) { - if (indexStack[0] >= nodeStack[0].length) { - if (nodeStack.length === 1) { - return result; - } - // Otherwise, remove the current array from the stack. - nodeStack.shift(); - indexStack.shift(); - // Loop back to the start to continue with the next array. - continue; - } - const elem = nodeStack[0][indexStack[0]++]; - if (!isTag(elem)) - continue; - if (test(elem)) - result.push(elem); - if (elem.children.length > 0) { - indexStack.unshift(0); - nodeStack.unshift(elem.children); - } - } -} -//# sourceMappingURL=querying.js.map
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