Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | 1x 1x 1x 1x 39x 39x 39x 36x 36x 36x 39x | import { expose, caller } from 'postmsg-rpc' import { pre } from 'prepost' import { isFunctionJson } from '../serialization/function' import { isBuffer, bufferToJson, preBufferFromJson } from '../serialization/buffer' export default function (getIpfs, opts) { const subs = [ /* { topic, // name of the topic subscribed to rpc: { // details of the RPC stub created to send updates fnName, // the RPC function name the stub calls stubFn // the RPC stub function created by postmsg-rpc } } */ ] const api = { publish: expose('ipfs.pubsub.publish', pre( preBufferFromJson(1), opts.pre('pubsub.publish'), (...args) => getIpfs().pubsub.publish(...args) ), opts), subscribe: expose('ipfs.pubsub.subscribe', function (...args) { let sub return pre( (...args) => { const topic = args[0] if (isFunctionJson(args[1])) { const stubFn = pre( (...args) => { if (args[0]) { args[0] = Object.assign({}, args[0]) if (isBuffer(args[0].data)) { args[0].data = bufferToJson(args[0].data) } if (isBuffer(args[0].seqno)) { args[0].seqno = bufferToJson(args[0].seqno) } } return args }, caller(args[1].name, opts) ) sub = { topic, rpc: { fnName: args[1].name, stubFn } } subs.push(sub) args[1] = stubFn } return args }, opts.pre('pubsub.subscribe'), (...args) => { return getIpfs().pubsub.subscribe(...args) .catch((err) => { subs.splice(subs.indexOf(sub), 1) throw err }) } )(...args) }, opts), unsubscribe: expose('ipfs.pubsub.unsubscribe', pre( (...args) => { const topic = args[0] if (isFunctionJson(args[1])) { const sub = subs.find((s) => s.topic === topic && s.rpc.fnName === args[1].name) if (sub) { args[1] = sub.rpc.stubFn subs.splice(subs.indexOf(sub), 1) } else { // Well, we don't have a reference to it, so the ipfs node won't // either. We shouldn't error either because ipfs won't. args[1] = () => {} } } return args }, opts.pre('pubsub.unsubscribe'), (...args) => getIpfs().pubsub.unsubscribe(...args) ), opts), peers: expose('ipfs.pubsub.peers', pre( opts.pre('pubsub.peers'), (...args) => getIpfs().pubsub.peers(...args) ), opts), ls: expose('ipfs.pubsub.ls', pre( opts.pre('pubsub.ls'), (...args) => getIpfs().pubsub.ls(...args) ), opts) } // Clean up any subscriptions on close api.subscribe.close = pre( (...args) => { return Promise.all( subs.map((sub) => getIpfs().pubsub.unsubscribe(sub.topic, sub.rpc.stubFn)) ).then(() => args) }, api.subscribe.close ) return api } |