Strings and Blobs

Note

This page has been updated for jDataView 3

Explanation

jDataView supports additional Char, String and Bytes types.

String operations all support 'binary' (by default) and 'utf-8' encodings. Additionally, getString supports all the encodings supported by TextDecoder](https://developer.mozilla.org/en-US/docs/Web/API/TextDecoder/encoding).

Char is always encoded as one-byte 'binary'.

The setter methods for Bytes will accept any ArrayLike<number>, but the getter method will always return a Uint8Array of bytes.

Reference

See writeXXX methods to understand the write variants of the set methods.

// Read a string using the specified encoding, or binary if unspecified
view.getString(byteLength: number, byteOffset: number | undefined, encoding = 'binary'): string
// Set a string using the specified encoding, or binary if unspecified
view.setString(byteOffset: number | undefined, str: string, encoding = 'binary'): void
view.writeString(str: string, encoding = 'binary'): void
// Get a single character. This is the same as getting a 1-length string using binary encoding
view.getChar(byteOffset: number | undefined): string
// Set a single character. This is the same as setting a 1-length string using binary encoding
view.setChar(byteOffset: number | undefined, char: string): void
view.writeChar(char: string): void
// Get raw bytes. If length is undefined, it will go to the end of the buffer.
view.getBytes(length: number, byteOffset: number | undefined, littleEndian = true, toArray = false): Uint8Array
// Directly set raw bytes
view.setBytes(byteOffset: number | undefined, bytes: ArrayLike<number>, littleEndian = true): void
view.writeBytes(bytes: ArrayLike<number>, littleEndian = true): void

jDataView 3 npm | GitHub | Docs | Website | Changelog

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Strings and Blobs

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