Add interactive near repl with auto-injected nearlib, near and …

…`account`

bin/near

@@ -1,4 +1,4 @@
-#!/usr/bin/env node
+#!/usr/bin/env node --experimental-repl-await
 
 const yargs = require('yargs');
 const main = require('../');
@@ -217,6 +217,7 @@ yargs // eslint-disable-line
   .command(newProject)
   .command(stake)
   .command(login)
+  .command(require('../commands/repl'))
   .config(config)
   .alias({
     'accountId': ['account_id'],

commands/repl.js

@@ -0,0 +1,14 @@
+module.exports = {
+    command: 'repl',
+    desc: 'launch interactive Node.js shell with NEAR connection available to use',
+    builder: (yargs) => yargs,
+    handler: async (argv) => {
+        const repl = require('repl');
+        const context = repl.start('> ').context;
+        context.nearlib = require('nearlib');
+        context.near = await require('../utils/connect')(argv);
+        if (argv.accountId) {
+            context.account = await context.near.account(argv.accountId);
+        }
+    }
+};

index.js

@@ -1,6 +1,3 @@
-const nearjs = require('nearlib');
-const { KeyPair, keyStores } = require('nearlib');
-const UnencryptedFileSystemKeyStore = keyStores.UnencryptedFileSystemKeyStore;
 const fs = require('fs');
 const yargs = require('yargs');
 const bs58 = require('bs58');
@@ -9,6 +6,12 @@ const rimraf = require('rimraf');
 const readline = require('readline');
 const URL = require('url').URL;
 
+const nearjs = require('nearlib');
+const { KeyPair, keyStores } = require('nearlib');
+const UnencryptedFileSystemKeyStore = keyStores.UnencryptedFileSystemKeyStore;
+
+const connect = require('./utils/connect');
+
 ncp.limit = 16;
 
 // TODO: Fix promisified wrappers to handle error properly
@@ -35,19 +38,6 @@ exports.clean = async function() {
   console.log("Clean complete.");
 };
 
-async function connect(options) {
-    if (options.keyPath === undefined && options.helperUrl === undefined) {
-        const homeDir = options.homeDir || `${process.env.HOME}/.near`;
-        options.keyPath = `${homeDir}/validator_key.json`;
-    }
-    // TODO: search for key store.
-    const keyStore = new UnencryptedFileSystemKeyStore('./neardev');
-    options.deps = {
-        keyStore,
-    };
-    return await nearjs.connect(options);
-}
-
 exports.createAccount = async function(options) {
     let near = await connect(options);
     let keyPair;

utils/connect.js

@@ -0,0 +1,15 @@
+const nearlib = require('nearlib');
+const UnencryptedFileSystemKeyStore = nearlib.keyStores.UnencryptedFileSystemKeyStore;
+
+module.exports = async function connect(options) {
+    if (options.keyPath === undefined && options.helperUrl === undefined) {
+        const homeDir = options.homeDir || `${process.env.HOME}/.near`;
+        options.keyPath = `${homeDir}/validator_key.json`;
+    }
+    // TODO: search for key store.
+    const keyStore = new UnencryptedFileSystemKeyStore('./neardev');
+    options.deps = {
+        keyStore,
+    };
+    return await nearlib.connect(options);
+}