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109 lines
2.7 KiB
TypeScript
109 lines
2.7 KiB
TypeScript
import { z } from "zod/v4";
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export const Quality = z
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.enum([
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"original",
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"8k",
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"4k",
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"1440p",
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"1080p",
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"720p",
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"480p",
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"360p",
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"240p",
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])
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.default("original");
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export type Quality = z.infer<typeof Quality>;
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export const VideoTrack = z.object({
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index: z.number(),
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title: z.string().nullable(),
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language: z.string().nullable(),
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codec: z.string(),
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mimeCodec: z.string(),
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width: z.number(),
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height: z.number(),
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bitrate: z.number(),
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isDefault: z.boolean(),
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});
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export type VideoTrack = z.infer<typeof VideoTrack>;
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export const AudioTrack = z.object({
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index: z.number(),
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title: z.string().nullable(),
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language: z.string().nullable(),
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codec: z.string(),
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mimeCodec: z.string(),
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bitrate: z.number(),
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isDefault: z.boolean(),
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});
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export type AudioTrack = z.infer<typeof AudioTrack>;
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export const Subtitle = z.object({
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// external subtitles don't have indexes
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index: z.number().nullable(),
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title: z.string().nullable(),
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language: z.string().nullable(),
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codec: z.string(),
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mimeCodec: z.string().nullable(),
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extension: z.string(),
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isDefault: z.boolean(),
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isForced: z.boolean(),
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isHearingImpaired: z.boolean(),
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isExternal: z.boolean(),
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// only non-null when `isExternal` is true
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path: z.string().nullable(),
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link: z.string().nullable(),
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});
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export type Subtitle = z.infer<typeof Subtitle>;
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export const Chapter = z.object({
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// in seconds
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startTime: z.number(),
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// in seconds
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endTime: z.number(),
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name: z.string(),
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type: z.enum(["content", "recap", "intro", "credits", "preview"]),
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});
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export type Chapter = z.infer<typeof Chapter>;
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export const VideoInfo = z
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.object({
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sha: z.string(),
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path: z.string(),
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extension: z.string(),
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mimeCodec: z.string(),
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size: z.number(),
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// in seconds
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duration: z.number(),
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container: z.string().nullable(),
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videos: z.array(VideoTrack),
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audios: z.array(AudioTrack),
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subtitles: z.array(Subtitle),
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fonts: z.array(z.string()),
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chapters: z.array(Chapter),
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})
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.transform((x) => {
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const hour = Math.floor(x.duration / 3600);
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const minutes = Math.ceil((x.duration % 3600) / 60);
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return {
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...x,
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duration: `${hour ? `${hour}h` : ""}${minutes}m`,
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durationSeconds: x.duration,
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size: humanFileSize(x.size),
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};
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});
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export type VideoInfo = z.infer<typeof VideoInfo>;
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// from https://stackoverflow.com/questions/10420352/converting-file-size-in-bytes-to-human-readable-string
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const humanFileSize = (size: number): string => {
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const i = size === 0 ? 0 : Math.floor(Math.log(size) / Math.log(1024));
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return (
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// @ts-ignore I'm not gonna fix stackoverflow's working code.
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// biome-ignore lint/style/useTemplate: same as above
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(size / 1024 ** i).toFixed(2) * 1 + " " + ["B", "kB", "MB", "GB", "TB"][i]
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);
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};
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