1 import * as AsyncLRU from 'async-lru'
2 import * as jsonld from 'jsonld'
3 import * as jsig from 'jsonld-signatures'
5 jsig.use('jsonld', jsonld)
7 const nodeDocumentLoader = jsonld.documentLoaders.node()
9 const lru = new AsyncLRU({
12 nodeDocumentLoader(key, cb)
16 jsonld.documentLoader = (url, cb) => {