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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
export const TYPE_ICO = "image/x-icon";
export const TYPE_SVG = "image/svg+xml";
// URL schemes that we don't want to load and convert to data URLs.
export const TRUSTED_FAVICON_SCHEMES = Object.freeze([
"chrome",
"about",
"resource",
]);
/**
* Converts a Blob into a data: URL.
*
* @param {Blob} blob The Blob to be converted.
* @returns {Promise<string>} Returns a promise that resolves with the data: URL
* or rejects with an error.
*/
export function blobAsDataURL(blob) {
return new Promise((resolve, reject) => {
let reader = new FileReader();
reader.addEventListener("load", () => resolve(reader.result));
reader.addEventListener("error", reject);
reader.readAsDataURL(blob);
});
}