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'use strict';
/**
* @typedef {import('./types').XastNode} XastNode
* @typedef {import('./types').XastChild} XastChild
* @typedef {import('./types').XastParent} XastParent
* @typedef {import('./types').Visitor} Visitor
*/
const { selectAll, selectOne, is } = require('css-select');
const xastAdaptor = require('./svgo/css-select-adapter.js');
const cssSelectOptions = {
xmlMode: true,
adapter: xastAdaptor,
};
/**
* @type {(node: XastNode, selector: string) => Array<XastChild>}
*/
const querySelectorAll = (node, selector) => {
return selectAll(selector, node, cssSelectOptions);
};
exports.querySelectorAll = querySelectorAll;
/**
* @type {(node: XastNode, selector: string) => null | XastChild}
*/
const querySelector = (node, selector) => {
return selectOne(selector, node, cssSelectOptions);
};
exports.querySelector = querySelector;
/**
* @type {(node: XastChild, selector: string) => boolean}
*/
const matches = (node, selector) => {
return is(node, selector, cssSelectOptions);
};
exports.matches = matches;
/**
* @type {(node: XastChild, name: string) => null | XastChild}
*/
const closestByName = (node, name) => {
let currentNode = node;
while (currentNode) {
if (currentNode.type === 'element' && currentNode.name === name) {
return currentNode;
}
// @ts-ignore parentNode is hidden from public usage
currentNode = currentNode.parentNode;
}
return null;
};
exports.closestByName = closestByName;
const visitSkip = Symbol();
exports.visitSkip = visitSkip;
/**
* @type {(node: XastNode, visitor: Visitor, parentNode?: any) => void}
*/
const visit = (node, visitor, parentNode) => {
const callbacks = visitor[node.type];
if (callbacks && callbacks.enter) {
// @ts-ignore hard to infer
const symbol = callbacks.enter(node, parentNode);
if (symbol === visitSkip) {
return;
}
}
// visit root children
if (node.type === 'root') {
// copy children array to not loose cursor when children is spliced
for (const child of node.children) {
visit(child, visitor, node);
}
}
// visit element children if still attached to parent
if (node.type === 'element') {
if (parentNode.children.includes(node)) {
for (const child of node.children) {
visit(child, visitor, node);
}
}
}
if (callbacks && callbacks.exit) {
// @ts-ignore hard to infer
callbacks.exit(node, parentNode);
}
};
exports.visit = visit;
/**
* @type {(node: XastChild, parentNode: XastParent) => void}
*/
const detachNodeFromParent = (node, parentNode) => {
// avoid splice to not break for loops
parentNode.children = parentNode.children.filter((child) => child !== node);
};
exports.detachNodeFromParent = detachNodeFromParent;