Common utility functions for media processing
npm install @svta/cml-utilsCommon utility functions for media processing.
``bash`
npm i @svta/cml-utils
`typescript
import {
stringToUint16,
hexToArrayBuffer,
decodeBase64,
arrayBufferToUuid,
arrayBufferToHex,
unescapeHtml,
} from "@svta/cml-utils";
// Unescape HTML entities
const unescaped = unescapeHtml(""<Hello&World>"");
assert(unescaped === ");
// Convert string to Uint16Array
const uint16Array = stringToUint16("hello world");
assert(
uint16Array ===
new Uint16Array([104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100])
);
// Convert hex string to ArrayBuffer
const hex = "a0564af760c2d94b9610c7ae70d5d970";
const arrayBuffer = hexToArrayBuffer(hex);
const expected = new Uint8Array([
160, 86, 74, 247, 96, 194, 217, 75, 150, 16, 199, 174, 112, 213, 217, 112,
]);
assert(new Uint8Array(arrayBuffer) === expected);
// Decode base64
const decoded = decodeBase64("SGVsbG8gV29ybGQ=");
assert(
decoded ===
new Uint8Array([72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100])
);
// Convert ArrayBuffer to UUID
const data = new Uint8Array([
160, 86, 74, 247, 96, 194, 217, 75, 150, 16, 199, 174, 112, 213, 217, 112,
]);
const uuid = arrayBufferToUuid(data.buffer);
assert(uuid === "a0564af7-60c2-d94b-9610-c7ae70d5d970");
// Convert ArrayBuffer to hex string
const hexString = arrayBufferToHex(data.buffer);
assert(hexString === "a0564af760c2d94b9610c7ae70d5d970");
``