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feat: skeleton download and install game
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| export async function waitImageReady(url: string) { | ||
| return new Promise((res, rej) => { | ||
| const image = new Image(); | ||
| image.src = url; | ||
| image.onload = res; | ||
| image.onerror = rej; | ||
| }); | ||
| } | ||
|
|
||
| export function timeout(ms: number): Promise<never> { | ||
| return new Promise((_, rej) => { | ||
| setTimeout(() => { | ||
| rej("TIMEOUT"); | ||
| }, ms); | ||
| }); | ||
| } | ||
|
|
||
| export function wait(ms: number): Promise<number> { | ||
| return new Promise((res, rej) => { | ||
| setTimeout(() => { | ||
| res(ms); | ||
| }, ms); | ||
| }); | ||
| } | ||
|
|
||
| export async function sha256_16(str: string) { | ||
| const buf = await crypto.subtle.digest( | ||
| "SHA-256", | ||
| new TextEncoder().encode(str) | ||
| ); | ||
| return Array.prototype.map | ||
| .call(new Uint8Array(buf), (x) => ("00" + x.toString(16)).slice(-2)) | ||
| .slice(0, 8) | ||
| .join(""); | ||
| } | ||
|
|
||
| export function formatString(str: string, intrp: string[]) { | ||
| return str.replace(/{(\d+)}/g, function (match, number) { | ||
| return typeof intrp[number] != "undefined" ? intrp[number] : match; | ||
| }); | ||
| } | ||
|
|
||
| // https://stackoverflow.com/questions/10420352/converting-file-size-in-bytes-to-human-readable-string | ||
| /* Format bytes as human-readable text. | ||
| * | ||
| * @param bytes Number of bytes. | ||
| * @param si True to use metric (SI) units, aka powers of 1000. False to use | ||
| * binary (IEC), aka powers of 1024. | ||
| * @param dp Number of decimal places to display. | ||
| * | ||
| * @return Formatted string. | ||
| */ | ||
| export function humanFileSize( | ||
| bytes: number, | ||
| si: boolean = false, | ||
| dp: number = 1 | ||
| ) { | ||
| const thresh = si ? 1000 : 1024; | ||
|
|
||
| if (Math.abs(bytes) < thresh) { | ||
| return bytes + " B"; | ||
| } | ||
|
|
||
| const units = si | ||
| ? ["kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"] | ||
| : ["KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"]; | ||
| let u = -1; | ||
| const r = 10 ** dp; | ||
|
|
||
| do { | ||
| bytes /= thresh; | ||
| ++u; | ||
| } while ( | ||
| Math.round(Math.abs(bytes) * r) / r >= thresh && | ||
| u < units.length - 1 | ||
| ); | ||
|
|
||
| return bytes.toFixed(dp) + " " + units[u]; | ||
| } |
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