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import { embedResources } from './embed-resources';
import { toArray, isInstanceOfElement } from './util';
import { isDataUrl, resourceToDataURL } from './dataurl';
import { getMimeType } from './mimes';
async function embedProp(propName, node, options) {
var _a;
const propValue = (_a = node.style) === null || _a === void 0 ? void 0 : _a.getPropertyValue(propName);
if (propValue) {
const cssString = await embedResources(propValue, null, options);
node.style.setProperty(propName, cssString, node.style.getPropertyPriority(propName));
return true;
}
return false;
}
async function embedBackground(clonedNode, options) {
if (!(await embedProp('background', clonedNode, options))) {
await embedProp('background-image', clonedNode, options);
}
if (!(await embedProp('mask', clonedNode, options))) {
await embedProp('mask-image', clonedNode, options);
}
}
async function embedImageNode(clonedNode, options) {
const isImageElement = isInstanceOfElement(clonedNode, HTMLImageElement);
if (!(isImageElement && !isDataUrl(clonedNode.src)) &&
!(isInstanceOfElement(clonedNode, SVGImageElement) &&
!isDataUrl(clonedNode.href.baseVal))) {
return;
}
const url = isImageElement ? clonedNode.src : clonedNode.href.baseVal;
const dataURL = await resourceToDataURL(url, getMimeType(url), options);
await new Promise((resolve, reject) => {
clonedNode.onload = resolve;
clonedNode.onerror = reject;
const image = clonedNode;
if (image.decode) {
image.decode = resolve;
}
if (image.loading === 'lazy') {
image.loading = 'eager';
}
if (isImageElement) {
clonedNode.srcset = '';
clonedNode.src = dataURL;
}
else {
clonedNode.href.baseVal = dataURL;
}
});
}
async function embedChildren(clonedNode, options) {
const children = toArray(clonedNode.childNodes);
const deferreds = children.map((child) => embedImages(child, options));
await Promise.all(deferreds).then(() => clonedNode);
}
export async function embedImages(clonedNode, options) {
if (isInstanceOfElement(clonedNode, Element)) {
await embedBackground(clonedNode, options);
await embedImageNode(clonedNode, options);
await embedChildren(clonedNode, options);
}
}
//# sourceMappingURL=embed-images.js.map |