@didtools/codecs/dist/ipld.js

Common codecs for DID packages.

import { CID } from 'multiformats/cid';
import { Type } from 'codeco';
/**
 * Passthrough codeco codec for CID.
 */ 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 ${String(input)} can not be accepted as CID`);
        return context.success(cid);
    } catch  {
        return context.failure();
    }
}, (cid)=>cid);
/**
 * codeco codec for CID encoded as string.
 */ 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());