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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 |