path could not be found within the project.

Question

path could not be found within the project.

kuabhish opened this issue 5 years ago · 16 comments

I have initialized a project from react native in typescript template.
Now when I am writing these lines for import :

import { Peer, BlockStore } from '@textile/ipfs-lite';
//Use any interface-datastore compliant store;
import { MemoryDatastore } from 'interface-datastore';
import Libp2p from 'libp2p';

const store = new BlockStore(new MemoryDatastore());

Then when i do runandroid i get
Error: Unable to resolve module path from node_modules/interface-datastore/src/utils.js: path could not be found within the project.

What should I do?

Answer 1 · 2020-04-05T11:53:23.000Z

Now i changed the store with {} -> dictionary .
But I get a new error now. which is

error: Error: Unable to resolve module eventsfromnode_modules/libp2p/src/index.js: events could not be found within the project.

Please help

Answer 2 · 2020-04-05T15:30:28.000Z

after resolving this i am finally stuck in :

error: Error: Unable to resolve module os from node_modules/libp2p/node_modules/libp2p-websockets/src/listener.js: os could not be found within the project.

I have tried:
react-native link
installed node modules again ..

but nothing is working

Answer 3 · 2020-04-05T20:10:23.000Z

Hi @kuabhish, looks like you are having trouble building libs for react native in general. These are common react native build issues. Please take a look here for some common fixes: https://github.com/textileio/js-threads-client/blob/master/README.md#react-native. Otherwise, you are probably better off seeking help from stackoverflow regarding general react native issues.

Answer 4 · 2020-04-05T20:48:13.000Z

Sorry @carsonfarmer I did not understand what you were trying to tell me with this lin. Can you please elaborate.

I was able to build some UI with react native using RN components and a few RN libraries..

In the link that you sent me, there is rn-nodeify. Are you telling me to use it?

Answer 5 · 2020-04-05T20:57:29.000Z

Yes, take a look at rn-nodeify. os, path etc are node modules that aren't part of standard react native modules. But also, I don't think swapping out the store with a dictionary or object is going to work for you. You need to have a datastore compliant store for backing. Please note, ipfs-lite has not be thoroughly tested in react native, so I can't guarantee it will work for you there. IPFS libraries in react native are an ongoing issue. See for example https://gitcoin.co/grants/364/react-native-support-for-ipfs

Answer 6 · 2020-04-05T20:59:42.000Z

SO, What should I use as the store component?
And, Should I work on the Java API of Textile ipfs? Is it tested?

Answer 7 · 2020-04-05T21:04:41.000Z

You should use something like LevelDatastore (npm i datastore-level) or if you just need in-memory (temporary) then MemoryDatastore from interface-datastore. Are you hoping to run 'raw' IPFS on mobile, or Textile? You might also want to take a look here: https://github.com/textileio/android-ipfs-lite or follow the work here: ipfs/js-ipfs#1254, or finally, take a look at: https://github.com/ipfs-shipyard/gomobile-ipfs (which is still early days but might provide some useful insights).

Answer 8 · 2020-04-05T21:48:08.000Z

Getting this error:
`
[Mon Apr 06 2020 03:04:32.550] BUNDLE ./index.js

error: TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received type boolean (false)
at validateString (internal/validators.js:117:11)
at Object.dirname (path.js:1128:5)
at resolveFileOrDir (/home/dragon/Documents/try/DemoTSProject/node_modules/metro-resolver/src/resolve.js:256:24)
at Object.resolve (/home/dragon/Documents/try/DemoTSProject/node_modules/metro-resolver/src/resolve.js:151:20)
at ModuleResolver.resolveDependency (/home/dragon/Documents/try/DemoTSProject/node_modules/metro/src/node-haste/DependencyGraph/ModuleResolution.js:143:31)
at ResolutionRequest.resolveDependency (/home/dragon/Documents/try/DemoTSProject/node_modules/metro/src/node-haste/DependencyGraph/ResolutionRequest.js:52:18)
at DependencyGraph.resolveDependency (/home/dragon/Documents/try/DemoTSProject/node_modules/metro/src/node-haste/DependencyGraph.js:287:16)
at Object.resolve (/home/dragon/Documents/try/DemoTSProject/node_modules/metro/src/lib/transformHelpers.js:267:42)
at /home/dragon/Documents/try/DemoTSProject/node_modules/metro/src/DeltaBundler/traverseDependencies.js:434:31
at Array.map ()

when I am writing this function . The thing is this first console.log is not being printed so i can say that it is not going in the loop.
async function run(){
console.log('in function -------------------------')
const host = new Libp2p({ ...libp2Options });
console.log('host created -------------------------')
const lite = new Peer(store, host);
console.log('node created -------------------------')
await lite.start();
const cid = 'QmWATWQ7fVPP2EFGu71UkfnqhYXDYH566qy47CnJDgvs8u';
const data = await lite.getFile(cid);
console.log('from ipfs');
console.log(data.toString());
// Hello World
await lite.stop();
return data;
}
`

But:
function run(){ console.log('hello'); return '5'; }

When I called this function, it was working. Please help.

Answer 9 · 2020-04-06T03:18:19.000Z

Can you send along a small reproducible example? In the above, what is libp2Options? what is store?

Answer 10 · 2020-04-06T05:06:51.000Z

https://github.com/kuabhish/demo -- Please see this..

Steps i do normally:

yarn install
.nodemodules/.bin/rn_nodeify --hack --install

and then try to run.

I was using this : https://github.com/textileio/js-ipfs-lite#typescript

As i understand it is not able to fetch anything from node modules :

when i uncomment this:
const store = new BlockStore(new MemoryDatastore());

the same error as above shows. and i have tried many times , nothing is working.

Answer 11 · 2020-04-06T22:20:51.000Z

Hello @carsonfarmer

Now I am using this https://blog.textile.io/javascript-ios-android-grpc-ipfs-lite/ your blog.

Still I am facing issues .
Now I have built a javascript template for react-native and using rn-nodeify.

I dont understand the problem

Ok i will paste the error also.

error: TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received type boolean (false)
    at validateString (internal/validators.js:117:11)
    at Object.dirname (path.js:1128:5)
    at resolveFileOrDir (/home/dragon/Documents/try/BAsicJS/node_modules/metro-resolver/src/resolve.js:256:24)
    at Object.resolve (/home/dragon/Documents/try/BAsicJS/node_modules/metro-resolver/src/resolve.js:151:20)
    at ModuleResolver.resolveDependency (/home/dragon/Documents/try/BAsicJS/node_modules/metro/src/node-haste/DependencyGraph/ModuleResolution.js:143:31)
    at ResolutionRequest.resolveDependency (/home/dragon/Documents/try/BAsicJS/node_modules/metro/src/node-haste/DependencyGraph/ResolutionRequest.js:52:18)
    at DependencyGraph.resolveDependency (/home/dragon/Documents/try/BAsicJS/node_modules/metro/src/node-haste/DependencyGraph.js:287:16)
    at Object.resolve (/home/dragon/Documents/try/BAsicJS/node_modules/metro/src/lib/transformHelpers.js:267:42)
    at /home/dragon/Documents/try/BAsicJS/node_modules/metro/src/DeltaBundler/traverseDependencies.js:434:31
    at Array.map (<anonymous>)

Answer 12 · 2020-04-06T23:27:21.000Z

Hi @kuabhish, thanks for sharing your issue here. What I'm seeing are a lot of possible issues. I think the best bet to just to make sure you can actually get js-libp2p working in react native (which honestly, I think is going to be tough right now). See for example https://github.com/hugomrdias/ipfs-react-native, and ipfs/devgrants#18. The long and the short of it is: I think its going to be really difficult to get libp2p, or IPFS, or ipfs-lite, etc working in React Native. So the short answer is: the problem is its really hard to get a bundle working for react native. For now, I'd recommend using something like https://github.com/openworklabs/react-native-ipfs-http-client, which connects to a remote IPFS instance, rather than trying to run IPFS on device.

Answer 13 · 2020-04-06T23:28:52.000Z

Alternatively (if you really want to run IPFS on device) you're going to have to write some native code/modules, and will likely not be able to work solely in react native. Again, please take a look at the repos I've posted previously.

Answer 14 · 2020-04-06T23:29:37.000Z

So to sum up, I don't think you'll get ipfs-lite to run in react native without a significant amount of work, and I am not able to provide the help you'd need to get there.

Answer 15 · 2020-04-07T05:13:06.000Z

Thank you @carsonfarmer for your suggesstions and efforts.

https://blog.textile.io/javascript-ios-android-grpc-ipfs-lite/ -- (your blog) also contains the Java code.
SO I also started on Java. https://github.com/textileio/android-ipfs-lite

I found that node is not starting :

So, now the state I am in is I am not able to start the Peer.

Steps:

copied this repo
started this repo.
Used debugger to find the propblem area.

    private void initIPFS() {
        System.out.println("in here");
        try {
            System.out.println("1");
            Context ctx = getApplicationContext();
            System.out.println("2..");
            final File filesDir = ctx.getFilesDir();
            System.out.println("3..");
            final String path = new File(filesDir, "ipfslite").getAbsolutePath();
            System.out.println("4..");
            litePeer = new Peer(path, BuildConfig.DEBUG);
            System.out.println("5..");
            litePeer.start();
            System.out.println("6..");
        } catch (Exception e) {
            System.out.println("errorr kumar 2");
        }

The debugger output is like this:

I/System.out: in here
    1
    2..
I/System.out: 3..
    4..
I/System.out: 5..
E/GoLog: �[0;37m15:21:49.799  INFO �[0;34m    badger: �[0mAll 0 tables opened in 0s
     �[0;37mlogger.go:46�[0m
I/System.out: errorr kumar 2
I/System.out: Peer not started

Please help.

Answer 16 · 2020-05-19T21:43:43.000Z

looks like this became and android-ipfs-lite issue. moved over here textileio/android-ipfs-lite#12