deer social fork for personal usage. but you might see a use idk. github mirror
shutupup
Signed-off-by: ayla <ayla-git.barcode041@silomails.com>
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src/lib/media/util.ts
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src/lib/media/util.ts
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export function extractDataUriMime(uri: string): string {
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return uri.substring(uri.indexOf(':') + 1, uri.indexOf(';'))
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return uri.substring(uri.indexOf(":") + 1, uri.indexOf(";"));
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}
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// Fairly accurate estimate that is more performant
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// than decoding and checking length of URI
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export function getDataUriSize(uri: string): number {
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return Math.round((uri.length * 3) / 4)
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return Math.round((uri.length * 3) / 4);
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}
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export function isUriImage(uri: string): boolean {
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return /\.(jpg|jpeg|png|webp).*$/.test(uri)
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return /\.(jpg|jpeg|png|webp).*$/.test(uri);
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}
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export function blobToDataUri(blob: Blob): Promise<string> {
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return new Promise((resolve, reject) => {
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const reader = new FileReader()
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reader.onloadend = () => {
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if (typeof reader.result === 'string') {
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resolve(reader.result)
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} else {
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reject(new Error('Failed to read blob'))
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}
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}
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reader.onerror = reject
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reader.readAsDataURL(blob)
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})
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return new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.onloadend = () => {
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if (typeof reader.result === "string") {
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resolve(reader.result);
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} else {
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reject(new Error("Failed to read blob"));
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}
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};
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reader.onerror = reject;
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reader.readAsDataURL(blob);
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});
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}
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export function modifyImageFormat(uri: string, format: string) {
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const sliced = uri.slice(0, -4)
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return sliced.at(-1) === '@' ? sliced + format : `${uri}@${format}`
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const atPosition = uri.lastIndexOf("@");
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return atPosition === -1
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? `${uri}@${format}`
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: uri.slice(0, atPosition + 1) + format;
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}