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1216 lines
29 KiB
1216 lines
29 KiB
import { ResizeObserverSingleton } from './ResizeObserverSingleton.js';
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import { contenteditable_truthy_values, has_prop } from './utils.js';
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// Track which nodes are claimed during hydration. Unclaimed nodes can then be removed from the DOM
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// at the end of hydration without touching the remaining nodes.
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let is_hydrating = false;
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/**
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* @returns {void}
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*/
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export function start_hydrating() {
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is_hydrating = true;
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}
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/**
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* @returns {void}
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*/
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export function end_hydrating() {
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is_hydrating = false;
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}
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/**
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* @param {number} low
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* @param {number} high
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* @param {(index: number) => number} key
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* @param {number} value
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* @returns {number}
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*/
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function upper_bound(low, high, key, value) {
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// Return first index of value larger than input value in the range [low, high)
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while (low < high) {
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const mid = low + ((high - low) >> 1);
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if (key(mid) <= value) {
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low = mid + 1;
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} else {
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high = mid;
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}
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}
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return low;
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}
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/**
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* @param {NodeEx} target
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* @returns {void}
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*/
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function init_hydrate(target) {
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if (target.hydrate_init) return;
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target.hydrate_init = true;
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// We know that all children have claim_order values since the unclaimed have been detached if target is not <head>
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let children = /** @type {ArrayLike<NodeEx2>} */ (target.childNodes);
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// If target is <head>, there may be children without claim_order
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if (target.nodeName === 'HEAD') {
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const myChildren = [];
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for (let i = 0; i < children.length; i++) {
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const node = children[i];
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if (node.claim_order !== undefined) {
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myChildren.push(node);
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}
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}
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children = myChildren;
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}
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/*
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* Reorder claimed children optimally.
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* We can reorder claimed children optimally by finding the longest subsequence of
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* nodes that are already claimed in order and only moving the rest. The longest
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* subsequence of nodes that are claimed in order can be found by
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* computing the longest increasing subsequence of .claim_order values.
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*
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* This algorithm is optimal in generating the least amount of reorder operations
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* possible.
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*
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* Proof:
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* We know that, given a set of reordering operations, the nodes that do not move
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* always form an increasing subsequence, since they do not move among each other
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* meaning that they must be already ordered among each other. Thus, the maximal
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* set of nodes that do not move form a longest increasing subsequence.
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*/
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// Compute longest increasing subsequence
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// m: subsequence length j => index k of smallest value that ends an increasing subsequence of length j
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const m = new Int32Array(children.length + 1);
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// Predecessor indices + 1
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const p = new Int32Array(children.length);
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m[0] = -1;
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let longest = 0;
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for (let i = 0; i < children.length; i++) {
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const current = children[i].claim_order;
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// Find the largest subsequence length such that it ends in a value less than our current value
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// upper_bound returns first greater value, so we subtract one
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// with fast path for when we are on the current longest subsequence
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const seqLen =
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(longest > 0 && children[m[longest]].claim_order <= current
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? longest + 1
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: upper_bound(1, longest, (idx) => children[m[idx]].claim_order, current)) - 1;
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p[i] = m[seqLen] + 1;
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const newLen = seqLen + 1;
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// We can guarantee that current is the smallest value. Otherwise, we would have generated a longer sequence.
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m[newLen] = i;
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longest = Math.max(newLen, longest);
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}
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// The longest increasing subsequence of nodes (initially reversed)
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/**
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* @type {NodeEx2[]}
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*/
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const lis = [];
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// The rest of the nodes, nodes that will be moved
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/**
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* @type {NodeEx2[]}
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*/
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const toMove = [];
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let last = children.length - 1;
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for (let cur = m[longest] + 1; cur != 0; cur = p[cur - 1]) {
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lis.push(children[cur - 1]);
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for (; last >= cur; last--) {
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toMove.push(children[last]);
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}
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last--;
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}
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for (; last >= 0; last--) {
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toMove.push(children[last]);
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}
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lis.reverse();
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// We sort the nodes being moved to guarantee that their insertion order matches the claim order
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toMove.sort((a, b) => a.claim_order - b.claim_order);
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// Finally, we move the nodes
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for (let i = 0, j = 0; i < toMove.length; i++) {
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while (j < lis.length && toMove[i].claim_order >= lis[j].claim_order) {
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j++;
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}
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const anchor = j < lis.length ? lis[j] : null;
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target.insertBefore(toMove[i], anchor);
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}
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}
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/**
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* @param {Node} target
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* @param {Node} node
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* @returns {void}
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*/
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export function append(target, node) {
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target.appendChild(node);
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}
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/**
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* @param {Node} target
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* @param {string} style_sheet_id
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* @param {string} styles
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* @returns {void}
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*/
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export function append_styles(target, style_sheet_id, styles) {
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const append_styles_to = get_root_for_style(target);
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if (!append_styles_to.getElementById(style_sheet_id)) {
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const style = element('style');
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style.id = style_sheet_id;
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style.textContent = styles;
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append_stylesheet(append_styles_to, style);
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}
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}
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/**
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* @param {Node} node
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* @returns {ShadowRoot | Document}
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*/
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export function get_root_for_style(node) {
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if (!node) return document;
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const root = node.getRootNode ? node.getRootNode() : node.ownerDocument;
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if (root && /** @type {ShadowRoot} */ (root).host) {
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return /** @type {ShadowRoot} */ (root);
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}
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return node.ownerDocument;
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}
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/**
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* @param {Node} node
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* @returns {CSSStyleSheet}
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*/
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export function append_empty_stylesheet(node) {
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const style_element = element('style');
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// For transitions to work without 'style-src: unsafe-inline' Content Security Policy,
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// these empty tags need to be allowed with a hash as a workaround until we move to the Web Animations API.
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// Using the hash for the empty string (for an empty tag) works in all browsers except Safari.
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// So as a workaround for the workaround, when we append empty style tags we set their content to /* empty */.
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// The hash 'sha256-9OlNO0DNEeaVzHL4RZwCLsBHA8WBQ8toBp/4F5XV2nc=' will then work even in Safari.
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style_element.textContent = '/* empty */';
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append_stylesheet(get_root_for_style(node), style_element);
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return style_element.sheet;
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}
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/**
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* @param {ShadowRoot | Document} node
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* @param {HTMLStyleElement} style
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* @returns {CSSStyleSheet}
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*/
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function append_stylesheet(node, style) {
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append(/** @type {Document} */ (node).head || node, style);
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return style.sheet;
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}
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/**
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* @param {NodeEx} target
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* @param {NodeEx} node
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* @returns {void}
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*/
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export function append_hydration(target, node) {
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if (is_hydrating) {
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init_hydrate(target);
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if (
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target.actual_end_child === undefined ||
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(target.actual_end_child !== null && target.actual_end_child.parentNode !== target)
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) {
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target.actual_end_child = target.firstChild;
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}
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// Skip nodes of undefined ordering
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while (target.actual_end_child !== null && target.actual_end_child.claim_order === undefined) {
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target.actual_end_child = target.actual_end_child.nextSibling;
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}
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if (node !== target.actual_end_child) {
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// We only insert if the ordering of this node should be modified or the parent node is not target
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if (node.claim_order !== undefined || node.parentNode !== target) {
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target.insertBefore(node, target.actual_end_child);
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}
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} else {
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target.actual_end_child = node.nextSibling;
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}
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} else if (node.parentNode !== target || node.nextSibling !== null) {
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target.appendChild(node);
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}
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}
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/**
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* @param {Node} target
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* @param {Node} node
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* @param {Node} [anchor]
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* @returns {void}
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*/
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export function insert(target, node, anchor) {
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target.insertBefore(node, anchor || null);
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}
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/**
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* @param {NodeEx} target
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* @param {NodeEx} node
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* @param {NodeEx} [anchor]
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* @returns {void}
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*/
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export function insert_hydration(target, node, anchor) {
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if (is_hydrating && !anchor) {
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append_hydration(target, node);
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} else if (node.parentNode !== target || node.nextSibling != anchor) {
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target.insertBefore(node, anchor || null);
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}
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}
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/**
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* @param {Node} node
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* @returns {void}
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*/
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export function detach(node) {
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if (node.parentNode) {
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node.parentNode.removeChild(node);
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}
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}
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/**
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* @returns {void} */
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export function destroy_each(iterations, detaching) {
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for (let i = 0; i < iterations.length; i += 1) {
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if (iterations[i]) iterations[i].d(detaching);
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}
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}
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/**
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* @template {keyof HTMLElementTagNameMap} K
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* @param {K} name
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* @returns {HTMLElementTagNameMap[K]}
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*/
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export function element(name) {
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return document.createElement(name);
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}
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/**
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* @template {keyof HTMLElementTagNameMap} K
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* @param {K} name
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* @param {string} is
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* @returns {HTMLElementTagNameMap[K]}
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*/
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export function element_is(name, is) {
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return document.createElement(name, { is });
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}
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/**
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* @template T
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* @template {keyof T} K
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* @param {T} obj
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* @param {K[]} exclude
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* @returns {Pick<T, Exclude<keyof T, K>>}
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*/
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export function object_without_properties(obj, exclude) {
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const target = /** @type {Pick<T, Exclude<keyof T, K>>} */ ({});
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for (const k in obj) {
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if (
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has_prop(obj, k) &&
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// @ts-ignore
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exclude.indexOf(k) === -1
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) {
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// @ts-ignore
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target[k] = obj[k];
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}
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}
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return target;
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}
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/**
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* @template {keyof SVGElementTagNameMap} K
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* @param {K} name
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* @returns {SVGElement}
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*/
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export function svg_element(name) {
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return document.createElementNS('http://www.w3.org/2000/svg', name);
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}
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/**
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* @param {string} data
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* @returns {Text}
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*/
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export function text(data) {
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return document.createTextNode(data);
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}
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/**
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* @returns {Text} */
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export function space() {
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return text(' ');
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}
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/**
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* @returns {Text} */
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export function empty() {
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return text('');
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}
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/**
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* @param {string} content
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* @returns {Comment}
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*/
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export function comment(content) {
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return document.createComment(content);
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}
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/**
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* @param {EventTarget} node
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* @param {string} event
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* @param {EventListenerOrEventListenerObject} handler
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* @param {boolean | AddEventListenerOptions | EventListenerOptions} [options]
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* @returns {() => void}
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*/
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export function listen(node, event, handler, options) {
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node.addEventListener(event, handler, options);
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return () => node.removeEventListener(event, handler, options);
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}
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/**
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* @returns {(event: any) => any} */
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export function prevent_default(fn) {
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return function (event) {
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event.preventDefault();
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// @ts-ignore
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return fn.call(this, event);
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};
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}
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/**
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* @returns {(event: any) => any} */
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export function stop_propagation(fn) {
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return function (event) {
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event.stopPropagation();
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// @ts-ignore
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return fn.call(this, event);
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};
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}
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/**
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* @returns {(event: any) => any} */
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export function stop_immediate_propagation(fn) {
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return function (event) {
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event.stopImmediatePropagation();
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// @ts-ignore
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return fn.call(this, event);
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};
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}
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/**
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* @returns {(event: any) => void} */
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export function self(fn) {
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return function (event) {
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// @ts-ignore
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if (event.target === this) fn.call(this, event);
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};
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}
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/**
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* @returns {(event: any) => void} */
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export function trusted(fn) {
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return function (event) {
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// @ts-ignore
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if (event.isTrusted) fn.call(this, event);
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};
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}
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/**
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* @param {Element} node
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* @param {string} attribute
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* @param {string} [value]
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* @returns {void}
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*/
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export function attr(node, attribute, value) {
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if (value == null) node.removeAttribute(attribute);
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else if (node.getAttribute(attribute) !== value) node.setAttribute(attribute, value);
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}
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/**
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* List of attributes that should always be set through the attr method,
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* because updating them through the property setter doesn't work reliably.
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* In the example of `width`/`height`, the problem is that the setter only
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* accepts numeric values, but the attribute can also be set to a string like `50%`.
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* If this list becomes too big, rethink this approach.
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*/
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const always_set_through_set_attribute = ['width', 'height'];
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/**
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* @param {Element & ElementCSSInlineStyle} node
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* @param {{ [x: string]: string }} attributes
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* @returns {void}
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*/
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export function set_attributes(node, attributes) {
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// @ts-ignore
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const descriptors = Object.getOwnPropertyDescriptors(node.__proto__);
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for (const key in attributes) {
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if (attributes[key] == null) {
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node.removeAttribute(key);
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} else if (key === 'style') {
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node.style.cssText = attributes[key];
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} else if (key === '__value') {
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/** @type {any} */ (node).value = node[key] = attributes[key];
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} else if (
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descriptors[key] &&
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descriptors[key].set &&
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always_set_through_set_attribute.indexOf(key) === -1
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) {
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node[key] = attributes[key];
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} else {
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attr(node, key, attributes[key]);
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}
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}
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}
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/**
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* @param {Element & ElementCSSInlineStyle} node
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* @param {{ [x: string]: string }} attributes
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* @returns {void}
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*/
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export function set_svg_attributes(node, attributes) {
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for (const key in attributes) {
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attr(node, key, attributes[key]);
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}
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}
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/**
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* @param {Record<string, unknown>} data_map
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* @returns {void}
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*/
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export function set_custom_element_data_map(node, data_map) {
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Object.keys(data_map).forEach((key) => {
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set_custom_element_data(node, key, data_map[key]);
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});
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}
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/**
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* @returns {void} */
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export function set_custom_element_data(node, prop, value) {
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if (prop in node) {
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node[prop] = typeof node[prop] === 'boolean' && value === '' ? true : value;
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} else {
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attr(node, prop, value);
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}
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}
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/**
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* @param {string} tag
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*/
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export function set_dynamic_element_data(tag) {
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return /-/.test(tag) ? set_custom_element_data_map : set_attributes;
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}
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/**
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* @returns {void}
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*/
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export function xlink_attr(node, attribute, value) {
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node.setAttributeNS('http://www.w3.org/1999/xlink', attribute, value);
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}
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/**
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|
* @param {HTMLElement} node
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* @returns {string}
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*/
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export function get_svelte_dataset(node) {
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return node.dataset.svelteH;
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}
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/**
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* @returns {unknown[]} */
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export function get_binding_group_value(group, __value, checked) {
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const value = new Set();
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for (let i = 0; i < group.length; i += 1) {
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if (group[i].checked) value.add(group[i].__value);
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}
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if (!checked) {
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value.delete(__value);
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}
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return Array.from(value);
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}
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/**
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* @param {HTMLInputElement[]} group
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* @returns {{ p(...inputs: HTMLInputElement[]): void; r(): void; }}
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*/
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export function init_binding_group(group) {
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/**
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* @type {HTMLInputElement[]} */
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let _inputs;
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return {
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/* push */ p(...inputs) {
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_inputs = inputs;
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_inputs.forEach((input) => group.push(input));
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},
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/* remove */ r() {
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_inputs.forEach((input) => group.splice(group.indexOf(input), 1));
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}
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};
|
|
}
|
|
|
|
/**
|
|
* @param {number[]} indexes
|
|
* @returns {{ u(new_indexes: number[]): void; p(...inputs: HTMLInputElement[]): void; r: () => void; }}
|
|
*/
|
|
export function init_binding_group_dynamic(group, indexes) {
|
|
/**
|
|
* @type {HTMLInputElement[]} */
|
|
let _group = get_binding_group(group);
|
|
|
|
/**
|
|
* @type {HTMLInputElement[]} */
|
|
let _inputs;
|
|
|
|
function get_binding_group(group) {
|
|
for (let i = 0; i < indexes.length; i++) {
|
|
group = group[indexes[i]] = group[indexes[i]] || [];
|
|
}
|
|
return group;
|
|
}
|
|
|
|
/**
|
|
* @returns {void} */
|
|
function push() {
|
|
_inputs.forEach((input) => _group.push(input));
|
|
}
|
|
|
|
/**
|
|
* @returns {void} */
|
|
function remove() {
|
|
_inputs.forEach((input) => _group.splice(_group.indexOf(input), 1));
|
|
}
|
|
return {
|
|
/* update */ u(new_indexes) {
|
|
indexes = new_indexes;
|
|
const new_group = get_binding_group(group);
|
|
if (new_group !== _group) {
|
|
remove();
|
|
_group = new_group;
|
|
push();
|
|
}
|
|
},
|
|
/* push */ p(...inputs) {
|
|
_inputs = inputs;
|
|
push();
|
|
},
|
|
/* remove */ r: remove
|
|
};
|
|
}
|
|
|
|
/**
|
|
* @returns {number} */
|
|
export function to_number(value) {
|
|
return value === '' ? null : +value;
|
|
}
|
|
|
|
/**
|
|
* @returns {any[]} */
|
|
export function time_ranges_to_array(ranges) {
|
|
const array = [];
|
|
for (let i = 0; i < ranges.length; i += 1) {
|
|
array.push({ start: ranges.start(i), end: ranges.end(i) });
|
|
}
|
|
return array;
|
|
}
|
|
|
|
/**
|
|
* @param {Element} element
|
|
* @returns {ChildNode[]}
|
|
*/
|
|
export function children(element) {
|
|
return Array.from(element.childNodes);
|
|
}
|
|
|
|
/**
|
|
* @param {ChildNodeArray} nodes
|
|
* @returns {void}
|
|
*/
|
|
function init_claim_info(nodes) {
|
|
if (nodes.claim_info === undefined) {
|
|
nodes.claim_info = { last_index: 0, total_claimed: 0 };
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @template {ChildNodeEx} R
|
|
* @param {ChildNodeArray} nodes
|
|
* @param {(node: ChildNodeEx) => node is R} predicate
|
|
* @param {(node: ChildNodeEx) => ChildNodeEx | undefined} processNode
|
|
* @param {() => R} createNode
|
|
* @param {boolean} dontUpdateLastIndex
|
|
* @returns {R}
|
|
*/
|
|
function claim_node(nodes, predicate, processNode, createNode, dontUpdateLastIndex = false) {
|
|
// Try to find nodes in an order such that we lengthen the longest increasing subsequence
|
|
init_claim_info(nodes);
|
|
const resultNode = (() => {
|
|
// We first try to find an element after the previous one
|
|
for (let i = nodes.claim_info.last_index; i < nodes.length; i++) {
|
|
const node = nodes[i];
|
|
if (predicate(node)) {
|
|
const replacement = processNode(node);
|
|
if (replacement === undefined) {
|
|
nodes.splice(i, 1);
|
|
} else {
|
|
nodes[i] = replacement;
|
|
}
|
|
if (!dontUpdateLastIndex) {
|
|
nodes.claim_info.last_index = i;
|
|
}
|
|
return node;
|
|
}
|
|
}
|
|
// Otherwise, we try to find one before
|
|
// We iterate in reverse so that we don't go too far back
|
|
for (let i = nodes.claim_info.last_index - 1; i >= 0; i--) {
|
|
const node = nodes[i];
|
|
if (predicate(node)) {
|
|
const replacement = processNode(node);
|
|
if (replacement === undefined) {
|
|
nodes.splice(i, 1);
|
|
} else {
|
|
nodes[i] = replacement;
|
|
}
|
|
if (!dontUpdateLastIndex) {
|
|
nodes.claim_info.last_index = i;
|
|
} else if (replacement === undefined) {
|
|
// Since we spliced before the last_index, we decrease it
|
|
nodes.claim_info.last_index--;
|
|
}
|
|
return node;
|
|
}
|
|
}
|
|
// If we can't find any matching node, we create a new one
|
|
return createNode();
|
|
})();
|
|
resultNode.claim_order = nodes.claim_info.total_claimed;
|
|
nodes.claim_info.total_claimed += 1;
|
|
return resultNode;
|
|
}
|
|
|
|
/**
|
|
* @param {ChildNodeArray} nodes
|
|
* @param {string} name
|
|
* @param {{ [key: string]: boolean }} attributes
|
|
* @param {(name: string) => Element | SVGElement} create_element
|
|
* @returns {Element | SVGElement}
|
|
*/
|
|
function claim_element_base(nodes, name, attributes, create_element) {
|
|
return claim_node(
|
|
nodes,
|
|
/** @returns {node is Element | SVGElement} */
|
|
(node) => node.nodeName === name,
|
|
/** @param {Element} node */
|
|
(node) => {
|
|
const remove = [];
|
|
for (let j = 0; j < node.attributes.length; j++) {
|
|
const attribute = node.attributes[j];
|
|
if (!attributes[attribute.name]) {
|
|
remove.push(attribute.name);
|
|
}
|
|
}
|
|
remove.forEach((v) => node.removeAttribute(v));
|
|
return undefined;
|
|
},
|
|
() => create_element(name)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @param {ChildNodeArray} nodes
|
|
* @param {string} name
|
|
* @param {{ [key: string]: boolean }} attributes
|
|
* @returns {Element | SVGElement}
|
|
*/
|
|
export function claim_element(nodes, name, attributes) {
|
|
return claim_element_base(nodes, name, attributes, element);
|
|
}
|
|
|
|
/**
|
|
* @param {ChildNodeArray} nodes
|
|
* @param {string} name
|
|
* @param {{ [key: string]: boolean }} attributes
|
|
* @returns {Element | SVGElement}
|
|
*/
|
|
export function claim_svg_element(nodes, name, attributes) {
|
|
return claim_element_base(nodes, name, attributes, svg_element);
|
|
}
|
|
|
|
/**
|
|
* @param {ChildNodeArray} nodes
|
|
* @returns {Text}
|
|
*/
|
|
export function claim_text(nodes, data) {
|
|
return claim_node(
|
|
nodes,
|
|
/** @returns {node is Text} */
|
|
(node) => node.nodeType === 3,
|
|
/** @param {Text} node */
|
|
(node) => {
|
|
const dataStr = '' + data;
|
|
if (node.data.startsWith(dataStr)) {
|
|
if (node.data.length !== dataStr.length) {
|
|
return node.splitText(dataStr.length);
|
|
}
|
|
} else {
|
|
node.data = dataStr;
|
|
}
|
|
},
|
|
() => text(data),
|
|
true // Text nodes should not update last index since it is likely not worth it to eliminate an increasing subsequence of actual elements
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @returns {Text} */
|
|
export function claim_space(nodes) {
|
|
return claim_text(nodes, ' ');
|
|
}
|
|
|
|
/**
|
|
* @param {ChildNodeArray} nodes
|
|
* @returns {Comment}
|
|
*/
|
|
export function claim_comment(nodes, data) {
|
|
return claim_node(
|
|
nodes,
|
|
/** @returns {node is Comment} */
|
|
(node) => node.nodeType === 8,
|
|
/** @param {Comment} node */
|
|
(node) => {
|
|
node.data = '' + data;
|
|
return undefined;
|
|
},
|
|
() => comment(data),
|
|
true
|
|
);
|
|
}
|
|
|
|
function get_comment_idx(nodes, text, start) {
|
|
for (let i = start; i < nodes.length; i += 1) {
|
|
const node = nodes[i];
|
|
if (node.nodeType === 8 /* comment node */ && node.textContent.trim() === text) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* @param {boolean} is_svg
|
|
* @returns {HtmlTagHydration}
|
|
*/
|
|
export function claim_html_tag(nodes, is_svg) {
|
|
// find html opening tag
|
|
const start_index = get_comment_idx(nodes, 'HTML_TAG_START', 0);
|
|
const end_index = get_comment_idx(nodes, 'HTML_TAG_END', start_index + 1);
|
|
if (start_index === -1 || end_index === -1) {
|
|
return new HtmlTagHydration(is_svg);
|
|
}
|
|
|
|
init_claim_info(nodes);
|
|
const html_tag_nodes = nodes.splice(start_index, end_index - start_index + 1);
|
|
detach(html_tag_nodes[0]);
|
|
detach(html_tag_nodes[html_tag_nodes.length - 1]);
|
|
const claimed_nodes = html_tag_nodes.slice(1, html_tag_nodes.length - 1);
|
|
for (const n of claimed_nodes) {
|
|
n.claim_order = nodes.claim_info.total_claimed;
|
|
nodes.claim_info.total_claimed += 1;
|
|
}
|
|
return new HtmlTagHydration(is_svg, claimed_nodes);
|
|
}
|
|
|
|
/**
|
|
* @param {Text} text
|
|
* @param {unknown} data
|
|
* @returns {void}
|
|
*/
|
|
export function set_data(text, data) {
|
|
data = '' + data;
|
|
if (text.data === data) return;
|
|
text.data = /** @type {string} */ (data);
|
|
}
|
|
|
|
/**
|
|
* @param {Text} text
|
|
* @param {unknown} data
|
|
* @returns {void}
|
|
*/
|
|
export function set_data_contenteditable(text, data) {
|
|
data = '' + data;
|
|
if (text.wholeText === data) return;
|
|
text.data = /** @type {string} */ (data);
|
|
}
|
|
|
|
/**
|
|
* @param {Text} text
|
|
* @param {unknown} data
|
|
* @param {string} attr_value
|
|
* @returns {void}
|
|
*/
|
|
export function set_data_maybe_contenteditable(text, data, attr_value) {
|
|
if (~contenteditable_truthy_values.indexOf(attr_value)) {
|
|
set_data_contenteditable(text, data);
|
|
} else {
|
|
set_data(text, data);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @returns {void} */
|
|
export function set_input_value(input, value) {
|
|
input.value = value == null ? '' : value;
|
|
}
|
|
|
|
/**
|
|
* @returns {void} */
|
|
export function set_input_type(input, type) {
|
|
try {
|
|
input.type = type;
|
|
} catch (e) {
|
|
// do nothing
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @returns {void} */
|
|
export function set_style(node, key, value, important) {
|
|
if (value == null) {
|
|
node.style.removeProperty(key);
|
|
} else {
|
|
node.style.setProperty(key, value, important ? 'important' : '');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @returns {void} */
|
|
export function select_option(select, value, mounting) {
|
|
for (let i = 0; i < select.options.length; i += 1) {
|
|
const option = select.options[i];
|
|
if (option.__value === value) {
|
|
option.selected = true;
|
|
return;
|
|
}
|
|
}
|
|
if (!mounting || value !== undefined) {
|
|
select.selectedIndex = -1; // no option should be selected
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @returns {void} */
|
|
export function select_options(select, value) {
|
|
for (let i = 0; i < select.options.length; i += 1) {
|
|
const option = select.options[i];
|
|
option.selected = ~value.indexOf(option.__value);
|
|
}
|
|
}
|
|
|
|
export function select_value(select) {
|
|
const selected_option = select.querySelector(':checked');
|
|
return selected_option && selected_option.__value;
|
|
}
|
|
|
|
export function select_multiple_value(select) {
|
|
return [].map.call(select.querySelectorAll(':checked'), (option) => option.__value);
|
|
}
|
|
// unfortunately this can't be a constant as that wouldn't be tree-shakeable
|
|
// so we cache the result instead
|
|
|
|
/**
|
|
* @type {boolean} */
|
|
let crossorigin;
|
|
|
|
/**
|
|
* @returns {boolean} */
|
|
export function is_crossorigin() {
|
|
if (crossorigin === undefined) {
|
|
crossorigin = false;
|
|
try {
|
|
if (typeof window !== 'undefined' && window.parent) {
|
|
void window.parent.document;
|
|
}
|
|
} catch (error) {
|
|
crossorigin = true;
|
|
}
|
|
}
|
|
return crossorigin;
|
|
}
|
|
|
|
/**
|
|
* @param {HTMLElement} node
|
|
* @param {() => void} fn
|
|
* @returns {() => void}
|
|
*/
|
|
export function add_iframe_resize_listener(node, fn) {
|
|
const computed_style = getComputedStyle(node);
|
|
if (computed_style.position === 'static') {
|
|
node.style.position = 'relative';
|
|
}
|
|
const iframe = element('iframe');
|
|
iframe.setAttribute(
|
|
'style',
|
|
'display: block; position: absolute; top: 0; left: 0; width: 100%; height: 100%; ' +
|
|
'overflow: hidden; border: 0; opacity: 0; pointer-events: none; z-index: -1;'
|
|
);
|
|
iframe.setAttribute('aria-hidden', 'true');
|
|
iframe.tabIndex = -1;
|
|
const crossorigin = is_crossorigin();
|
|
|
|
/**
|
|
* @type {() => void}
|
|
*/
|
|
let unsubscribe;
|
|
if (crossorigin) {
|
|
iframe.src = "data:text/html,<script>onresize=function(){parent.postMessage(0,'*')}</script>";
|
|
unsubscribe = listen(
|
|
window,
|
|
'message',
|
|
/** @param {MessageEvent} event */ (event) => {
|
|
if (event.source === iframe.contentWindow) fn();
|
|
}
|
|
);
|
|
} else {
|
|
iframe.src = 'about:blank';
|
|
iframe.onload = () => {
|
|
unsubscribe = listen(iframe.contentWindow, 'resize', fn);
|
|
// make sure an initial resize event is fired _after_ the iframe is loaded (which is asynchronous)
|
|
// see https://github.com/sveltejs/svelte/issues/4233
|
|
fn();
|
|
};
|
|
}
|
|
append(node, iframe);
|
|
return () => {
|
|
if (crossorigin) {
|
|
unsubscribe();
|
|
} else if (unsubscribe && iframe.contentWindow) {
|
|
unsubscribe();
|
|
}
|
|
detach(iframe);
|
|
};
|
|
}
|
|
export const resize_observer_content_box = /* @__PURE__ */ new ResizeObserverSingleton({
|
|
box: 'content-box'
|
|
});
|
|
export const resize_observer_border_box = /* @__PURE__ */ new ResizeObserverSingleton({
|
|
box: 'border-box'
|
|
});
|
|
export const resize_observer_device_pixel_content_box = /* @__PURE__ */ new ResizeObserverSingleton(
|
|
{ box: 'device-pixel-content-box' }
|
|
);
|
|
export { ResizeObserverSingleton };
|
|
|
|
/**
|
|
* @returns {void} */
|
|
export function toggle_class(element, name, toggle) {
|
|
// The `!!` is required because an `undefined` flag means flipping the current state.
|
|
element.classList.toggle(name, !!toggle);
|
|
}
|
|
|
|
/**
|
|
* @template T
|
|
* @param {string} type
|
|
* @param {T} [detail]
|
|
* @param {{ bubbles?: boolean, cancelable?: boolean }} [options]
|
|
* @returns {CustomEvent<T>}
|
|
*/
|
|
export function custom_event(type, detail, { bubbles = false, cancelable = false } = {}) {
|
|
return new CustomEvent(type, { detail, bubbles, cancelable });
|
|
}
|
|
|
|
/**
|
|
* @param {string} selector
|
|
* @param {HTMLElement} parent
|
|
* @returns {ChildNodeArray}
|
|
*/
|
|
export function query_selector_all(selector, parent = document.body) {
|
|
return Array.from(parent.querySelectorAll(selector));
|
|
}
|
|
|
|
/**
|
|
* @param {string} nodeId
|
|
* @param {HTMLElement} head
|
|
* @returns {any[]}
|
|
*/
|
|
export function head_selector(nodeId, head) {
|
|
const result = [];
|
|
let started = 0;
|
|
for (const node of head.childNodes) {
|
|
if (node.nodeType === 8 /* comment node */) {
|
|
const comment = node.textContent.trim();
|
|
if (comment === `HEAD_${nodeId}_END`) {
|
|
started -= 1;
|
|
result.push(node);
|
|
} else if (comment === `HEAD_${nodeId}_START`) {
|
|
started += 1;
|
|
result.push(node);
|
|
}
|
|
} else if (started > 0) {
|
|
result.push(node);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
/** */
|
|
export class HtmlTag {
|
|
/**
|
|
* @private
|
|
* @default false
|
|
*/
|
|
is_svg = false;
|
|
/** parent for creating node */
|
|
e = undefined;
|
|
/** html tag nodes */
|
|
n = undefined;
|
|
/** target */
|
|
t = undefined;
|
|
/** anchor */
|
|
a = undefined;
|
|
constructor(is_svg = false) {
|
|
this.is_svg = is_svg;
|
|
this.e = this.n = null;
|
|
}
|
|
|
|
/**
|
|
* @param {string} html
|
|
* @returns {void}
|
|
*/
|
|
c(html) {
|
|
this.h(html);
|
|
}
|
|
|
|
/**
|
|
* @param {string} html
|
|
* @param {HTMLElement | SVGElement} target
|
|
* @param {HTMLElement | SVGElement} anchor
|
|
* @returns {void}
|
|
*/
|
|
m(html, target, anchor = null) {
|
|
if (!this.e) {
|
|
if (this.is_svg)
|
|
this.e = svg_element(/** @type {keyof SVGElementTagNameMap} */ (target.nodeName));
|
|
/** #7364 target for <template> may be provided as #document-fragment(11) */ else
|
|
this.e = element(
|
|
/** @type {keyof HTMLElementTagNameMap} */ (
|
|
target.nodeType === 11 ? 'TEMPLATE' : target.nodeName
|
|
)
|
|
);
|
|
this.t =
|
|
target.tagName !== 'TEMPLATE'
|
|
? target
|
|
: /** @type {HTMLTemplateElement} */ (target).content;
|
|
this.c(html);
|
|
}
|
|
this.i(anchor);
|
|
}
|
|
|
|
/**
|
|
* @param {string} html
|
|
* @returns {void}
|
|
*/
|
|
h(html) {
|
|
this.e.innerHTML = html;
|
|
this.n = Array.from(
|
|
this.e.nodeName === 'TEMPLATE' ? this.e.content.childNodes : this.e.childNodes
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @returns {void} */
|
|
i(anchor) {
|
|
for (let i = 0; i < this.n.length; i += 1) {
|
|
insert(this.t, this.n[i], anchor);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {string} html
|
|
* @returns {void}
|
|
*/
|
|
p(html) {
|
|
this.d();
|
|
this.h(html);
|
|
this.i(this.a);
|
|
}
|
|
|
|
/**
|
|
* @returns {void} */
|
|
d() {
|
|
this.n.forEach(detach);
|
|
}
|
|
}
|
|
|
|
export class HtmlTagHydration extends HtmlTag {
|
|
/** @type {Element[]} hydration claimed nodes */
|
|
l = undefined;
|
|
|
|
constructor(is_svg = false, claimed_nodes) {
|
|
super(is_svg);
|
|
this.e = this.n = null;
|
|
this.l = claimed_nodes;
|
|
}
|
|
|
|
/**
|
|
* @param {string} html
|
|
* @returns {void}
|
|
*/
|
|
c(html) {
|
|
if (this.l) {
|
|
this.n = this.l;
|
|
} else {
|
|
super.c(html);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @returns {void} */
|
|
i(anchor) {
|
|
for (let i = 0; i < this.n.length; i += 1) {
|
|
insert_hydration(this.t, this.n[i], anchor);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {NamedNodeMap} attributes
|
|
* @returns {{}}
|
|
*/
|
|
export function attribute_to_object(attributes) {
|
|
const result = {};
|
|
for (const attribute of attributes) {
|
|
result[attribute.name] = attribute.value;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* @param {HTMLElement} element
|
|
* @returns {{}}
|
|
*/
|
|
export function get_custom_elements_slots(element) {
|
|
const result = {};
|
|
element.childNodes.forEach(
|
|
/** @param {Element} node */ (node) => {
|
|
result[node.slot || 'default'] = true;
|
|
}
|
|
);
|
|
return result;
|
|
}
|
|
|
|
export function construct_svelte_component(component, props) {
|
|
return new component(props);
|
|
}
|
|
|
|
/**
|
|
* @typedef {Node & {
|
|
* claim_order?: number;
|
|
* hydrate_init?: true;
|
|
* actual_end_child?: NodeEx;
|
|
* childNodes: NodeListOf<NodeEx>;
|
|
* }} NodeEx
|
|
*/
|
|
|
|
/** @typedef {ChildNode & NodeEx} ChildNodeEx */
|
|
|
|
/** @typedef {NodeEx & { claim_order: number }} NodeEx2 */
|
|
|
|
/**
|
|
* @typedef {ChildNodeEx[] & {
|
|
* claim_info?: {
|
|
* last_index: number;
|
|
* total_claimed: number;
|
|
* };
|
|
* }} ChildNodeArray
|
|
*/
|