awscdk-construct-scte-scheduler
Version:
AWS CDK Construct for scheduling SCTE-35 events using the MediaLive schedule API
33 lines (32 loc) • 1.11 kB
JavaScript
const decimalToHex = Array.from({ length: 256 }, (_, i) => i.toString(16).padStart(2, "0"));
export function bindV4(getRandomValues) {
if (typeof crypto !== "undefined" && typeof crypto.randomUUID === "function") {
return () => crypto.randomUUID();
}
return () => {
const rnds = new Uint8Array(16);
getRandomValues(rnds);
rnds[6] = (rnds[6] & 0x0f) | 0x40;
rnds[8] = (rnds[8] & 0x3f) | 0x80;
return (decimalToHex[rnds[0]] +
decimalToHex[rnds[1]] +
decimalToHex[rnds[2]] +
decimalToHex[rnds[3]] +
"-" +
decimalToHex[rnds[4]] +
decimalToHex[rnds[5]] +
"-" +
decimalToHex[rnds[6]] +
decimalToHex[rnds[7]] +
"-" +
decimalToHex[rnds[8]] +
decimalToHex[rnds[9]] +
"-" +
decimalToHex[rnds[10]] +
decimalToHex[rnds[11]] +
decimalToHex[rnds[12]] +
decimalToHex[rnds[13]] +
decimalToHex[rnds[14]] +
decimalToHex[rnds[15]]);
};
}