What all things should we have before starting the project. For eg: node js,web3 etc.
Can u list all the requirements?
And with the version name plz.
This would be a great help.

after truffle test ./test/flightSurety.js

Error: while migrating Migrations: sender doesn't have enough funds to send tx. The upfront cost is: 134439500000000000 and the sender's account only has: 0

node version: v14.17.0
npm version: 7.13.0

Error message:

npm ERR! code 128
npm ERR! git dep preparation failed
npm ERR! command /Users/xxxx/Programs/node-v14/bin/node /Users/xxxx/Programs/node-v14/lib/node_modules/npm/bin/npm-cli.js install --force --cache=/Users/xxxx/.npm --prefer-offline=false --prefer-online=false --offline=false --no-progress --no-save --no-audit
npm ERR! npm WARN using --force Recommended protections disabled.
npm ERR! npm ERR! code 128
npm ERR! npm ERR! command failed
npm ERR! npm ERR! command git --no-replace-objects clone --mirror -q ssh://[email protected]/gulpjs/gulp.git /Users/xxxx/.npm/_cacache/tmp/git-clone-abb37d14/.git
npm ERR! npm ERR! fatal: destination path '/Users/xxxx/.npm/_cacache/tmp/git-clone-abb37d14/.git' already exists and is not an empty directory.
npm ERR!
npm ERR! npm ERR! A complete log of this run can be found in:
npm ERR! npm ERR! /Users/xxxx/.npm/_logs/2021-05-18T00_32_12_504Z-debug.log

npm ERR! A complete log of this run can be found in:
npm ERR! /Users/xxxx/.npm/_logs/2021-05-18T00_32_18_974Z-debug.log

So npm install and truffle compile are fine, but with truffle test, the command line just gives me nothing:

When executing the "npm run dapp" command I am getting the following error (the "npm install" runs

correctly):> webpack-dev-server --mode development --config webpack.config.dapp.js
ℹ ｢wds｣: Project is running at http://localhost:8000/
ℹ ｢wds｣: webpack output is served from /
ℹ ｢wds｣: Content not from webpack is served from /Users/jamyo9/Desarrollo/Udacity/Project04/dapp
✖ ｢wdm｣: 835 modules
ERROR in ./src/dapp/dom.js
Module build failed (from ./node_modules/babel-loader/lib/index.js):
SyntaxError: /Users/jamyo9/Desarrollo/Udacity/Project04/src/dapp/dom.js: Support for the experimental syntax 'classProperties' isn't currently enabled (5:14):
3 | export default class DOM {
4 |
5 | static a = (...args) => DOM.makeElement(a, ...args);
| ^
6 | static button = (...args) => DOM.makeElement(button, ...args);
7 | static div = (...args) => DOM.makeElement(div, ...args);
8 | static h1 = (...args) => DOM.makeElement(h1, ...args);
Add @babel/plugin-proposal-class-properties (https://git.io/vb4SL) to the 'plugins' section of your Babel config to enable transformation.
at Parser._raise (/Users/jamyo9/Desarrollo/Udacity/Project04/node_modules/@babel/parser/lib/index.js:742:17)
at Parser.raiseWithData (/Users/jamyo9/Desarrollo/Udacity/Project04/node_modules/@babel/parser/lib/index.js:735:17)
at Parser.expectPlugin (/Users/jamyo9/Desarrollo/Udacity/Project04/node_modules/@babel/parser/lib/index.js:8762:18)
at Parser.parseClassProperty (/Users/jamyo9/Desarrollo/Udacity/Project04/node_modules/@babel/parser/lib/index.js:12110:12)
at Parser.pushClassProperty (/Users/jamyo9/Desarrollo/Udacity/Project04/node_modules/@babel/parser/lib/index.js:12070:30)
at Parser.parseClassMemberWithIsStatic (/Users/jamyo9/Desarrollo/Udacity/Project04/node_modules/@babel/parser/lib/index.js:12003:14)
at Parser.parseClassMember (/Users/jamyo9/Desarrollo/Udacity/Project04/node_modules/@babel/parser/lib/index.js:11940:10)
at /Users/jamyo9/Desarrollo/Udacity/Project04/node_modules/@babel/parser/lib/index.js:11885:14
at Parser.withTopicForbiddingContext (/Users/jamyo9/Desarrollo/Udacity/Project04/node_modules/@babel/parser/lib/index.js:10956:14)
at Parser.parseClassBody (/Users/jamyo9/Desarrollo/Udacity/Project04/node_modules/@babel/parser/lib/index.js:11862:10)
ℹ ｢wdm｣: Failed to compile.

As of right now if you clone the project and try to start the dapp, you get an error.

Step to reproduce:
git clone [email protected]:udacity/FlightSurety.git
cd /to/folder
npm i
npm run dapp

The error is:

[email protected] dapp /var/www/FlightSurety
webpack-dev-server --mode development --config webpack.config.dapp.js

internal/modules/cjs/loader.js:550
throw err;
^

Error: Cannot find module 'webpack-cli/bin/config-yargs'
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:548:15)
at Function.Module._load (internal/modules/cjs/loader.js:475:25)
at Module.require (internal/modules/cjs/loader.js:598:17)
at require (internal/modules/cjs/helpers.js:11:18)
at Object. (/var/www/FlightSurety/node_modules/webpack-dev-server/bin/webpack-dev-server.js:84:1)
at Module._compile (internal/modules/cjs/loader.js:654:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:665:10)
at Module.load (internal/modules/cjs/loader.js:566:32)
at tryModuleLoad (internal/modules/cjs/loader.js:506:12)
at Function.Module._load (internal/modules/cjs/loader.js:498:3)

Node version: v9.11.2
Npm version: 5.6.0