@ceramicnetwork/codecs/lib/ipld.js

Ceramic Codecs

import { CID } from 'multiformats/cid';
import { Type } from 'codeco';
import { CAR, CARFactory } from 'cartonne';
import * as DAG_JOSE from 'dag-jose';
export const cid = new Type('CID', (input) => {
    try {
        return !!CID.asCID(input);
    }
    catch (e) {
        return false;
    }
}, (input, context) => {
    try {
        const cid = CID.asCID(input);
        if (!cid)
            return context.failure(`Value ${cid} can not be accepted as CID`);
        return context.success(cid);
    }
    catch {
        return context.failure();
    }
}, (cid) => cid);
export const cidAsString = new Type('CID-as-string', (input) => {
    try {
        return !!CID.asCID(input);
    }
    catch (e) {
        return false;
    }
}, (input, context) => {
    try {
        const cid = CID.parse(input);
        return context.success(cid);
    }
    catch {
        return context.failure();
    }
}, (cid) => cid.toString());
const carFactory = new CARFactory();
carFactory.codecs.add(DAG_JOSE);
export const carAsUint8Array = new Type('CAR-as-uint8array', (input) => {
    return input != null && input instanceof CAR;
}, (input, context) => {
    try {
        return context.success(carFactory.fromBytes(input));
    }
    catch {
        return context.failure();
    }
}, (car) => car.bytes);
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