node_modules/html-to-image/es/embed-images.js

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);
    }
}
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