@atproto/api/dist/types.js

Client library for atproto and Bluesky

export function isAtprotoServiceType(input) {
    return !input.includes(' ') && !input.includes('#');
}
export function isDid(input) {
    if (!input.startsWith('did:'))
        return false;
    if (input.length < 8)
        return false;
    if (input.length > 2048)
        return false;
    const msidx = input.indexOf(':', 4);
    return msidx > 4 && msidx < input.length - 1;
}
export function assertDid(input) {
    if (!isDid(input))
        throw new TypeError(`Invalid DID: ${input}`);
}
export function asDid(input) {
    assertDid(input);
    return input;
}
export function isAtprotoProxy(input) {
    const { length, [0]: did, [1]: service } = input.split('#');
    return length === 2 && isDid(did) && isAtprotoServiceType(service);
}
export function assertAtprotoProxy(input) {
    if (!isAtprotoProxy(input)) {
        throw new TypeError(`Invalid DID reference: ${input} (must be of the form did:example:alice#service)`);
    }
}
export function asAtprotoProxy(input) {
    assertAtprotoProxy(input);
    return input;
}
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