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Allow subbing in JSDOM for use in node #43

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Allow subbing in JSDOM for use in node #43

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28 changes: 17 additions & 11 deletions src/index.js
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Original file line number Diff line number Diff line change
@@ -1,19 +1,25 @@
let windowObject = globalThis.window;

export function setWindowObject(newWindowObject) {
windowObject = newWindowObject;
}

function renderHtml(string) {
const template = document.createElement("template");
const template = windowObject.document.createElement("template");
template.innerHTML = string;
return document.importNode(template.content, true);
return windowObject.document.importNode(template.content, true);
}

function renderSvg(string) {
const g = document.createElementNS("http://www.w3.org/2000/svg", "g");
const g = windowObject.document.createElementNS("http://www.w3.org/2000/svg", "g");
g.innerHTML = string;
return g;
}

export const html = Object.assign(hypertext(renderHtml, fragment => {
if (fragment.firstChild === null) return null;
if (fragment.firstChild === fragment.lastChild) return fragment.removeChild(fragment.firstChild);
const span = document.createElement("span");
const span = windowObject.document.createElement("span");
span.appendChild(fragment);
return span;
}), {fragment: hypertext(renderHtml, fragment => fragment)});
Expand All @@ -23,7 +29,7 @@ export const svg = Object.assign(hypertext(renderSvg, g => {
if (g.firstChild === g.lastChild) return g.removeChild(g.firstChild);
return g;
}), {fragment: hypertext(renderSvg, g => {
const fragment = document.createDocumentFragment();
const fragment = windowObject.document.createDocumentFragment();
while (g.firstChild) fragment.appendChild(g.firstChild);
return fragment;
})});
Expand Down Expand Up @@ -192,7 +198,7 @@ function hypertext(render, postprocess) {
case STATE_DATA: {
if (value == null) {
// ignore
} else if (value instanceof Node
} else if (value instanceof windowObject.Node
|| (typeof value !== "string" && value[Symbol.iterator])
|| (/(?:^|>)$/.test(strings[j - 1]) && /^(?:<|$)/.test(input))) {
string += "<!--::" + j + "-->";
Expand Down Expand Up @@ -536,7 +542,7 @@ function hypertext(render, postprocess) {

const root = render(string);

const walker = document.createTreeWalker(root, nodeFilter, null, false);
const walker = windowObject.document.createTreeWalker(root, nodeFilter, null, false);
const removeNodes = [];
while (walker.nextNode()) {
const node = walker.currentNode;
Expand Down Expand Up @@ -576,21 +582,21 @@ function hypertext(render, postprocess) {
if (/^::/.test(node.data)) {
const parent = node.parentNode;
const value = arguments[+node.data.slice(2)];
if (value instanceof Node) {
if (value instanceof windowObject.Node) {
parent.insertBefore(value, node);
} else if (typeof value !== "string" && value[Symbol.iterator]) {
if (value instanceof NodeList || value instanceof HTMLCollection) {
if (value instanceof windowObject.NodeList || value instanceof windowObject.HTMLCollection) {
for (let i = value.length - 1, r = node; i >= 0; --i) {
r = parent.insertBefore(value[i], r);
}
} else {
for (const subvalue of value) {
if (subvalue == null) continue;
parent.insertBefore(subvalue instanceof Node ? subvalue : document.createTextNode(subvalue), node);
parent.insertBefore(subvalue instanceof windowObject.Node ? subvalue : windowObject.document.createTextNode(subvalue), node);
}
}
} else {
parent.insertBefore(document.createTextNode(value), node);
parent.insertBefore(windowObject.document.createTextNode(value), node);
}
removeNodes.push(node);
}
Expand Down