add hw2

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

@@ -0,0 +1,73 @@
+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) {
+    ;
+    (await embedProp('background', clonedNode, options)) ||
+        (await embedProp('background-image', clonedNode, options));
+    (await embedProp('mask', clonedNode, options)) ||
+        (await embedProp('-webkit-mask', clonedNode, options)) ||
+        (await embedProp('mask-image', clonedNode, options)) ||
+        (await embedProp('-webkit-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 = options.onImageErrorHandler
+            ? (...attributes) => {
+                try {
+                    resolve(options.onImageErrorHandler(...attributes));
+                }
+                catch (error) {
+                    reject(error);
+                }
+            }
+            : 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