HlsUtils

Source: HLSUtils.ts:9

Static utility helper for HLS operations and URL validation.

• Author: Nur Rony<pro.nmrony@gmail.com>

Constructors

new HlsUtils(): HlsUtils

Returns

HlsUtils

Static Methods

isNotFunction(fn: unknown): boolean

Validation check to ensure provided hooks are executable functions.

Parameters

• fn (unknown) — The value to check.

Returns

• boolean — true if the value is NOT a function.

isValidPlaylist(content: string): boolean

Checks if the content starts with the mandatory HLS #EXTM3U tag.

Parameters

• content (string) — The raw manifest string.

Returns

• boolean — true if it contains the HLS header.

isValidUrl(url: string, protocols: string[]): boolean | default

Validates if the provided string is a properly formatted URL with supported protocols.

Parameters

• url (string) — The URL string to validate.
• protocols (string[], default: "...") — An array of allowed protocols.

Returns

• boolean | default — true if valid.

Throws

• If the protocol is not in the allowed list.

omit< T extends Record<string, any>, K extends string | number | symbol, >( subject: T, ...keys: (K | K[])[], ): Omit<T, K>

Filters out specific keys from an object.

Type Parameters

• T extends Record<string, any>
• K extends string | number | symbol

Parameters

• subject (T) — The source object.
• keys ((K | K[])[]) — The keys to remove.

Returns

• Omit<T, K> — A new object excluding the specified keys.

parseUrl(url: string): URL

Utility to create a URL object from a string.

Parameters

• url (string) — The URL string to parse.

Returns

• URL — A native Node/Web URL object.

sleep(ms: number): Promise<any>

Promise-based delay for retries and throttling

Parameters

• ms (number) — {number}- time to sleep in microseconds

Returns

• Promise<any> — Promise

stripFirstSlash(url: string): string

Removes the leading slash from a pathname for safe path joining.

Parameters

• url (string) — The string to strip.

Returns

• string — The string without a leading slash.