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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | 17x 17x 17x 17x 17x 17x 160x 160x 160x 41x 41x 160x | import { createNode } from "./createNode";
import { NodePatcher, NodePatchingData } from "./NodePatcher";
import { patchNode } from "./patchNode";
// interface NodePatchingDataHolder {
// _$patchingData: NodePatchingData
// }
// function appendChildren(markerNode: Node, newChildren: any) {
// const { parentNode } = markerNode;
// if (isPrimitive(newChildren)) {
// const newChild = document.createTextNode(newChildren.toString());
// parentNode.insertBefore(newChild, markerNode);
// }
// else {
// const { length } = newChildren;
// for (let i = 0; i < length; ++i) {
// let newChild = newChildren[i];
// if (isPrimitive(newChild)) {
// newChild = document.createTextNode(newChild.toString());
// }
// parentNode.insertBefore(newChild, markerNode);
// }
// }
// }
export function render(container: DocumentFragment | HTMLElement,
oldPatchingData: NodePatchingData | NodePatchingData[] = null,
newPatchingData: NodePatchingData | NodePatchingData[] = null) {
if (oldPatchingData === null
&& newPatchingData === null) {
return; // Nothing to patch
}
if (Array.isArray(newPatchingData)) {
renderChildren(container, oldPatchingData as NodePatchingData[], newPatchingData);
}
else {
renderNode(container, oldPatchingData as NodePatchingData, newPatchingData);
}
}
function renderChildren(container: DocumentFragment | HTMLElement,
oldPatchingData: NodePatchingData[],
newPatchingData: NodePatchingData[]) {
const {
length
} = newPatchingData;
oldPatchingData = oldPatchingData || [];
for (let i = 0; i < length; ++i) {
renderNode(container, oldPatchingData[i], newPatchingData[i]);
}
}
function renderNode(container: DocumentFragment | HTMLElement,
oldPatchingData: NodePatchingData = null,
newPatchingData: NodePatchingData = null) {
if (oldPatchingData === null) { // Create a node from the new patching data and add the children to the container
const node = createNode(newPatchingData);
container.appendChild(node);
newPatchingData.node = node;
//newPatchingData.rules = rules;
}
else if (newPatchingData === null) { // Remove the children from the container
throw new Error('render newPatchingData === null is not implemented')
}
else { // oldPatchingData !== null && newPatchingData !== null - Patch the old node/nodes
let {
node
} = oldPatchingData;
if (node === undefined) {
console.log('kuku');
}
node = node !== undefined ? node : (container as ShadowRoot).host;
patchNode(node, newPatchingData);
}
}
const cache = new Map<string, NodePatcher>();
export function html(strings: TemplateStringsArray, ...values: any): NodePatchingData {
const key = strings.toString();
let patcher = cache.get(key);
if (patcher === undefined) {
patcher = new NodePatcher(strings);
cache.set(key, patcher);
}
// Return a new patching data with the shared patcher
return {
patcher,
rules: null,
values
};
} |