json | JSON | JSON Processing library

by nlohmann C++ Version: v3.11.2 License: MIT

kandi X-RAY | json Summary

json is a C++ library typically used in Utilities, JSON Processing applications. json has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

There are myriads of JSON libraries out there, and each may even have its reason to exist. Our class had these design goals:.

Support

Quality

Security

License

Reuse

kandi-support Support

json has a medium active ecosystem.
It has 33534 star(s) with 5783 fork(s). There are 752 watchers for this library.
There were 1 major release(s) in the last 6 months.
There are 47 open issues and 2043 have been closed. On average issues are closed in 20 days. There are 33 open pull requests and 0 closed requests.
It has a neutral sentiment in the developer community.
The latest version of json is v3.11.2

json Support

Best in #JSON Processing

Average in #JSON Processing

json Support

Best in #JSON Processing

Average in #JSON Processing

quality kandi Quality

json has 0 bugs and 0 code smells.

json Quality

Best in #JSON Processing

Average in #JSON Processing

json Quality

Best in #JSON Processing

Average in #JSON Processing

security Security

json has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
json code analysis shows 0 unresolved vulnerabilities.
There are 0 security hotspots that need review.

json Security

Best in #JSON Processing

Average in #JSON Processing

json Security

Best in #JSON Processing

Average in #JSON Processing

license License

json is licensed under the MIT License. This license is Permissive.
Permissive licenses have the least restrictions, and you can use them in most projects.

json License

Best in #JSON Processing

Average in #JSON Processing

json License

Best in #JSON Processing

Average in #JSON Processing

build Reuse

json releases are available to install and integrate.
Installation instructions are not available. Examples and code snippets are available.
It has 4044 lines of code, 200 functions and 7 files.
It has high code complexity. Code complexity directly impacts maintainability of the code.

json Reuse

Best in #JSON Processing

Average in #JSON Processing

json Reuse

Best in #JSON Processing

Average in #JSON Processing

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Get all kandi verified functions for this library.

json Key Features

Intuitive syntax. In languages such as Python, JSON feels like a first class data type. We used all the operator magic of modern C++ to achieve the same feeling in your code. Check out the examples below and you'll know what I mean.

Trivial integration. Our whole code consists of a single header file json.hpp. That's it. No library, no subproject, no dependencies, no complex build system. The class is written in vanilla C++11. All in all, everything should require no adjustment of your compiler flags or project settings.

Serious testing. Our class is heavily unit-tested and covers 100% of the code, including all exceptional behavior. Furthermore, we checked with Valgrind and the Clang Sanitizers that there are no memory leaks. Google OSS-Fuzz additionally runs fuzz tests against all parsers 24/7, effectively executing billions of tests so far. To maintain high quality, the project is following the Core Infrastructure Initiative (CII) best practices.

Memory efficiency. Each JSON object has an overhead of one pointer (the maximal size of a union) and one enumeration element (1 byte). The default generalization uses the following C++ data types: std::string for strings, int64_t, uint64_t or double for numbers, std::map for objects, std::vector for arrays, and bool for Booleans. However, you can template the generalized class basic_json to your needs.

Speed. There are certainly faster JSON libraries out there. However, if your goal is to speed up your development by adding JSON support with a single header, then this library is the way to go. If you know how to use a std::vector or std::map, you are already set.

json Examples and Code Snippets

Community Discussions

Trending Discussions on json

Python/Docker ImportError: cannot import name 'json' from itsdangerous
Error: require() of ES modules is not supported when importing node-fetch
The unauthenticated git protocol on port 9418 is no longer supported
Consider using the "jsdom" test environment
Publish error: Found multiple publish output files with the same relative path
ESlint - Error: Must use import to load ES Module
Error when deploying react app and it keeps sayings << Plugin "react" was conflicted between "package.json » eslint-config-react-app » >>
ASP.NET Core 6 how to access Configuration during startup
Error when trying to run my React Native app on Android
Switch' is not exported from 'react-router-dom'

Trending Discussions on json

QUESTION

Python/Docker ImportError: cannot import name 'json' from itsdangerous

Asked 2022-Mar-31 at 12:49

I am trying to get a Flask and Docker application to work but when I try and run it using my docker-compose up command in my Visual Studio terminal, it gives me an ImportError called ImportError: cannot import name 'json' from itsdangerous. I have tried to look for possible solutions to this problem but as of right now there are not many on here or anywhere else. The only two solutions I could find are to change the current installation of MarkupSafe and itsdangerous to a higher version: https://serverfault.com/questions/1094062/from-itsdangerous-import-json-as-json-importerror-cannot-import-name-json-fr and another one on GitHub that tells me to essentially change the MarkUpSafe and itsdangerous installation again https://github.com/aws/aws-sam-cli/issues/3661, I have also tried to make a virtual environment named veganetworkscriptenv to install the packages but that has also failed as well. I am currently using Flask 2.0.0 and Docker 5.0.0 and the error occurs on line eight in vegamain.py.

Here is the full ImportError that I get when I try and run the program:

veganetworkscript-backend-1  | Traceback (most recent call last):
veganetworkscript-backend-1  |   File "/app/vegamain.py", line 8, in <module>
veganetworkscript-backend-1  |     from flask import Flask
veganetworkscript-backend-1  |   File "/usr/local/lib/python3.9/site-packages/flask/__init__.py", line 19, in <module>
veganetworkscript-backend-1  |     from . import json
veganetworkscript-backend-1  |   File "/usr/local/lib/python3.9/site-packages/flask/json/__init__.py", line 15, in <module>
veganetworkscript-backend-1  |     from itsdangerous import json as _json
veganetworkscript-backend-1  | ImportError: cannot import name 'json' from 'itsdangerous' (/usr/local/lib/python3.9/site-packages/itsdangerous/__init__.py)
veganetworkscript-backend-1 exited with code 1

Here are my requirements.txt, vegamain.py, Dockerfile, and docker-compose.yml files:

requirements.txt:

Flask==2.0.0
Flask-SQLAlchemy==2.4.4
SQLAlchemy==1.3.20
Flask-Migrate==2.5.3
Flask-Script==2.0.6
Flask-Cors==3.0.9
requests==2.25.0
mysqlclient==2.0.1
pika==1.1.0
wolframalpha==4.3.0

vegamain.py:

# Veganetwork (C) TetraSystemSolutions 2022
# all rights are reserved.  
# 
# Author: Trevor R. Blanchard Feb-19-2022-Jul-30-2022
#

# get our imports in order first
from flask import Flask # <-- error occurs here!!!

# start the application through flask.
app = Flask(__name__)

# if set to true will return only a "Hello World" string.
Debug = True

# start a route to the index part of the app in flask.
@app.route('/')
def index():
    if (Debug == True):
        return 'Hello World!'
    else:
        pass

# start the flask app here --->
if __name__ == '__main__':
    app.run(debug=True, host='0.0.0.0')

Dockerfile:

FROM python:3.9
ENV PYTHONUNBUFFERED 1
WORKDIR /app
COPY requirements.txt /app/requirements.txt
RUN pip install -r requirements.txt
COPY . /app

docker-compose.yml:

version: '3.8'
services:
  backend:
    build:
      context: .
      dockerfile: Dockerfile
    command: 'python vegamain.py'
    ports:
      - 8004:5000
    volumes:
      - .:/app
    depends_on:
      - db

#  queue:
#    build:
#      context: .
#      dockerfile: Dockerfile
#    command: 'python -u consumer.py'
#    depends_on:
#      - db

  db:
    image: mysql:5.7.22
    restart: always
    environment:
      MYSQL_DATABASE: admin
      MYSQL_USER: root
      MYSQL_PASSWORD: root
      MYSQL_ROOT_PASSWORD: root
    volumes:
      - .dbdata:/var/lib/mysql
    ports:
      - 33069:3306

How exactly can I fix this code? thank you!

ANSWER

Answered 2022-Feb-20 at 12:31

I was facing the same issue while running docker containers with flask.

I downgraded Flask to 1.1.4 and markupsafe to 2.0.1 which solved my issue.

Check this for reference.

Source https://stackoverflow.com/questions/71189819

QUESTION

Error: require() of ES modules is not supported when importing node-fetch

Asked 2022-Mar-28 at 07:04

I'm creating a program to analyze security camera streams and got stuck on the very first line. At the moment my .js file has nothing but the import of node-fetch and it gives me an error message. What am I doing wrong?

Running Ubuntu 20.04.2 LTS in Windows Subsystem for Linux.

Node version:

user@MYLLYTIN:~/CAMSERVER$ node -v
v14.17.6

node-fetch package version:

user@MYLLYTIN:~/CAMSERVER$ npm v node-fetch

node-fetch@3.0.0 | MIT | deps: 2 | versions: 63
A light-weight module that brings Fetch API to node.js
https://github.com/node-fetch/node-fetch

keywords: fetch, http, promise, request, curl, wget, xhr, whatwg

dist
.tarball: https://registry.npmjs.org/node-fetch/-/node-fetch-3.0.0.tgz
.shasum: 79da7146a520036f2c5f644e4a26095f17e411ea
.integrity: sha512-bKMI+C7/T/SPU1lKnbQbwxptpCrG9ashG+VkytmXCPZyuM9jB6VU+hY0oi4lC8LxTtAeWdckNCTa3nrGsAdA3Q==
.unpackedSize: 75.9 kB

dependencies:
data-uri-to-buffer: ^3.0.1 fetch-blob: ^3.1.2         

maintainers:
- endless <jimmy@warting.se>
- bitinn <bitinn@gmail.com>
- timothygu <timothygu99@gmail.com>
- akepinski <npm@kepinski.ch>

dist-tags:
latest: 3.0.0        next: 3.0.0-beta.10  

published 3 days ago by endless <jimmy@warting.se>

esm package version:

user@MYLLYTIN:~/CAMSERVER$ npm v esm

esm@3.2.25 | MIT | deps: none | versions: 140
Tomorrow's ECMAScript modules today!
https://github.com/standard-things/esm#readme

keywords: commonjs, ecmascript, export, import, modules, node, require

dist
.tarball: https://registry.npmjs.org/esm/-/esm-3.2.25.tgz
.shasum: 342c18c29d56157688ba5ce31f8431fbb795cc10
.integrity: sha512-U1suiZ2oDVWv4zPO56S0NcR5QriEahGtdN2OR6FiOG4WJvcjBVFB0qI4+eKoWFH483PKGuLuu6V8Z4T5g63UVA==
.unpackedSize: 308.6 kB

maintainers:
- jdalton <john.david.dalton@gmail.com>

dist-tags:
latest: 3.2.25  

published over a year ago by jdalton <john.david.dalton@gmail.com>

Contents of the .js file (literally nothing but the import):

user@MYLLYTIN:~/CAMSERVER$ cat server.js 
import fetch from "node-fetch";

Result:

user@MYLLYTIN:~/CAMSERVER$ node -r esm server.js 
/home/user/CAMSERVER/node_modules/node-fetch/src/index.js:1
Error [ERR_REQUIRE_ESM]: Must use import to load ES Module: /home/user/CAMSERVER/node_modules/node-fetch/src/index.js
require() of ES modules is not supported.
require() of /home/user/CAMSERVER/node_modules/node-fetch/src/index.js from /home/user/CAMSERVER/server.js is an ES module file as it is a .js file whose nearest parent package.json contains "type": "module" which defines all .js files in that package scope as ES modules.
Instead rename index.js to end in .cjs, change the requiring code to use import(), or remove "type": "module" from /home/user/CAMSERVER/node_modules/node-fetch/package.json.

    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1089:13) {
  code: 'ERR_REQUIRE_ESM'
}
user@MYLLYTIN:~/CAMSERVER$

ANSWER

Answered 2022-Feb-25 at 00:00

Use ESM syntax, also use one of these methods before running the file.

specify "type":"module" in package.json
Or use this flag --input-type=module when running the file
Or use .mjs file extension

Source https://stackoverflow.com/questions/69041454

QUESTION

The unauthenticated git protocol on port 9418 is no longer supported

Asked 2022-Mar-27 at 13:23

I have been using github actions for quite sometime but today my deployments started failing. Below is the error from github action logs

Command: git
Arguments: ls-remote --tags --heads git://github.com/adobe-webplatform/eve.git
Directory: /home/runner/work/stackstream-fe/stackstream-fe
Output:
fatal: remote error: 
  The unauthenticated git protocol on port 9418 is no longer supported.

Upon investigation, it appears that below section in my yml file is causing the issue.

    - name: Installing modules
      run: yarn install

I have looked into this change log but can't seem to comprehend the issue.

Additional Details: Server: EC2 Instance Github actions steps:

  steps:
  - name: Checkout
    uses: actions/checkout@v2

  - id: vars
    run: |
      if [ '${{ github.ref }}' == 'refs/heads/master' ]; then echo "::set-output name=environment::prod_stackstream" ; echo "::set-output name=api-url::api" ; elif [ '${{ github.ref }}' == 'refs/heads/staging' ]; then echo "::set-output name=environment::staging_stackstream"  ; echo "::set-output name=api-url::stagingapi" ; else echo "::set-output name=environment::dev_stackstream" ; echo "::set-output name=api-url::devapi" ; fi

  - uses: pCYSl5EDgo/cat@master
    id: slack
    with:
      path: .github/workflows/slack.txt

  - name: Slack Start Notification
    uses: 8398a7/action-slack@v3
    env:
      SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
      ENVIRONMENT: '`${{ steps.vars.outputs.environment }}`'
      COLOR: good
      STATUS: '`Started`'
    with:
      status: custom
      fields: workflow,job,commit,repo,ref,author,took
      custom_payload: |
        ${{ steps.slack.outputs.text }}

  - name: Installing modules
    env:
      REACT_APP_API_URL: 'https://${{ steps.vars.outputs.api-url }}mergestack.com/api/v1'
    run: yarn install

  - name: Create Frontend Build
    env:
      REACT_APP_API_URL: 'https://${{ steps.vars.outputs.api-url }}mergestack.com/api/v1'
    run: yarn build

  - name: Deploy to Frontend Server DEV
    if: ${{ contains(github.ref, 'dev') }}
    uses: easingthemes/ssh-deploy@v2.1.5
    env:
      SSH_PRIVATE_KEY: ${{ secrets.DEV_KEY }}
      ARGS: '-rltgoDzvO --delete'
      SOURCE: 'deploy/'
      REMOTE_HOST: ${{ secrets.DEV_HOST }}
      REMOTE_USER: plyfolio-dev
      TARGET: '/home/plyfolio-dev/${{ steps.vars.outputs.environment }}/fe/deploy'

package.json file

   {
  "name": "stackstream-fe",
  "version": "1.0.0",
  "authors": [
    "fayyaznofal@gmail.com"
  ],
  "private": true,
  "dependencies": {
    "@fortawesome/fontawesome-svg-core": "^1.2.34",
    "@fortawesome/free-solid-svg-icons": "^5.15.2",
    "@fortawesome/react-fontawesome": "^0.1.14",
    "@fullcalendar/bootstrap": "^5.5.0",
    "@fullcalendar/core": "^5.5.0",
    "@fullcalendar/daygrid": "^5.5.0",
    "@fullcalendar/interaction": "^5.5.0",
    "@fullcalendar/react": "^5.5.0",
    "@lourenci/react-kanban": "^2.1.0",
    "@redux-saga/simple-saga-monitor": "^1.1.2",
    "@testing-library/jest-dom": "^5.11.9",
    "@testing-library/react": "^11.2.3",
    "@testing-library/user-event": "^12.6.0",
    "@toast-ui/react-chart": "^1.0.2",
    "@types/jest": "^26.0.14",
    "@types/node": "^14.10.3",
    "@types/react": "^16.9.49",
    "@types/react-dom": "^16.9.8",
    "@vtaits/react-color-picker": "^0.1.1",
    "apexcharts": "^3.23.1",
    "availity-reactstrap-validation": "^2.7.0",
    "axios": "^0.21.1",
    "axios-mock-adapter": "^1.19.0",
    "axios-progress-bar": "^1.2.0",
    "bootstrap": "^5.0.0-beta2",
    "chart.js": "^2.9.4",
    "chartist": "^0.11.4",
    "classnames": "^2.2.6",
    "components": "^0.1.0",
    "dotenv": "^8.2.0",
    "draft-js": "^0.11.7",
    "echarts": "^4.9.0",
    "echarts-for-react": "^2.0.16",
    "firebase": "^8.2.3",
    "google-maps-react": "^2.0.6",
    "history": "^4.10.1",
    "i": "^0.3.6",
    "i18next": "^19.8.4",
    "i18next-browser-languagedetector": "^6.0.1",
    "jsonwebtoken": "^8.5.1",
    "leaflet": "^1.7.1",
    "lodash": "^4.17.21",
    "lodash.clonedeep": "^4.5.0",
    "lodash.get": "^4.4.2",
    "metismenujs": "^1.2.1",
    "mkdirp": "^1.0.4",
    "moment": "2.29.1",
    "moment-timezone": "^0.5.32",
    "nouislider-react": "^3.3.9",
    "npm": "^7.6.3",
    "prop-types": "^15.7.2",
    "query-string": "^6.14.0",
    "react": "^16.13.1",
    "react-apexcharts": "^1.3.7",
    "react-auth-code-input": "^1.0.0",
    "react-avatar": "^3.10.0",
    "react-bootstrap": "^1.5.0",
    "react-bootstrap-editable": "^0.8.2",
    "react-bootstrap-sweetalert": "^5.2.0",
    "react-bootstrap-table-next": "^4.0.3",
    "react-bootstrap-table2-editor": "^1.4.0",
    "react-bootstrap-table2-paginator": "^2.1.2",
    "react-bootstrap-table2-toolkit": "^2.1.3",
    "react-chartist": "^0.14.3",
    "react-chartjs-2": "^2.11.1",
    "react-color": "^2.19.3",
    "react-confirm-alert": "^2.7.0",
    "react-content-loader": "^6.0.1",
    "react-countdown": "^2.3.1",
    "react-countup": "^4.3.3",
    "react-cropper": "^2.1.4",
    "react-data-table-component": "^6.11.8",
    "react-date-picker": "^8.0.6",
    "react-datepicker": "^3.4.1",
    "react-dom": "^16.13.1",
    "react-draft-wysiwyg": "^1.14.5",
    "react-drag-listview": "^0.1.8",
    "react-drawer": "^1.3.4",
    "react-dropzone": "^11.2.4",
    "react-dual-listbox": "^2.0.0",
    "react-facebook-login": "^4.1.1",
    "react-flatpickr": "^3.10.6",
    "react-google-login": "^5.2.2",
    "react-hook-form": "^7.15.2",
    "react-i18next": "^11.8.5",
    "react-icons": "^4.2.0",
    "react-image-lightbox": "^5.1.1",
    "react-input-mask": "^2.0.4",
    "react-jvectormap": "^0.0.16",
    "react-leaflet": "^3.0.5",
    "react-meta-tags": "^1.0.1",
    "react-modal-video": "^1.2.6",
    "react-notifications": "^1.7.2",
    "react-number-format": "^4.7.3",
    "react-perfect-scrollbar": "^1.5.8",
    "react-rangeslider": "^2.2.0",
    "react-rating": "^2.0.5",
    "react-rating-tooltip": "^1.1.6",
    "react-redux": "^7.2.1",
    "react-responsive-carousel": "^3.2.11",
    "react-router-dom": "^5.2.0",
    "react-script": "^2.0.5",
    "react-scripts": "3.4.3",
    "react-select": "^4.3.1",
    "react-sparklines": "^1.7.0",
    "react-star-ratings": "^2.3.0",
    "react-super-responsive-table": "^5.2.0",
    "react-switch": "^6.0.0",
    "react-table": "^7.6.3",
    "react-toastify": "^7.0.3",
    "react-toastr": "^3.0.0",
    "react-twitter-auth": "0.0.13",
    "reactstrap": "^8.8.1",
    "recharts": "^2.0.8",
    "redux": "^4.0.5",
    "redux-saga": "^1.1.3",
    "reselect": "^4.0.0",
    "sass": "^1.37.5",
    "simplebar-react": "^2.3.0",
    "styled": "^1.0.0",
    "styled-components": "^5.2.1",
    "toastr": "^2.1.4",
    "typescript": "^4.0.2",
    "universal-cookie": "^4.0.4"
  },
  "devDependencies": {
    "@typescript-eslint/eslint-plugin": "^2.27.0",
    "@typescript-eslint/parser": "^2.27.0",
    "@typescript-eslint/typescript-estree": "^4.15.2",
    "eslint-config-prettier": "^6.10.1",
    "eslint-plugin-prettier": "^3.1.2",
    "husky": "^4.2.5",
    "lint-staged": "^10.1.3",
    "prettier": "^1.19.1",
    "react-test-renderer": "^16.13.1",
    "redux-devtools-extension": "^2.13.8",
    "redux-mock-store": "^1.5.4"
  },
  "scripts": {
    "start": "react-scripts start",
    "build": "react-scripts build && mv build ./deploy/build",
    "build-local": "react-scripts build",
    "test": "react-scripts test",
    "eject": "react-scripts eject"
  },
  "eslintConfig": {
    "extends": "react-app"
  },
  "husky": {
    "hooks": {
      "pre-commit": "lint-staged"
    }
  },
  "lint-staged": {
    "*.{js,ts,tsx}": [
      "eslint --fix"
    ]
  },
  "browserslist": {
    "production": [
      ">0.2%",
      "not dead",
      "not op_mini all"
    ],
    "development": [
      "last 1 chrome version",
      "last 1 firefox version",
      "last 1 safari version"
    ]
  }
}

package-lock.json

ANSWER

Answered 2022-Mar-16 at 07:01

First, this error message is indeed expected on Jan. 11th, 2022.
See "Improving Git protocol security on GitHub".

January 11, 2022 Final brownout.

This is the full brownout period where we’ll temporarily stop accepting the deprecated key and signature types, ciphers, and MACs, and the unencrypted Git protocol.
This will help clients discover any lingering use of older keys or old URLs.

Second, check your package.json dependencies for any git:// URL, as in this example, fixed in this PR.

As noted by Jörg W Mittag:

There was a 4-month warning.
The entire Internet has been moving away from unauthenticated, unencrypted protocols for a decade, it's not like this is a huge surprise.

Personally, I consider it less an "issue" and more "detecting unmaintained dependencies".

Plus, this is still only the brownout period, so the protocol will only be disabled for a short period of time, allowing developers to discover the problem.

The permanent shutdown is not until March 15th.

For GitHub Actions:

As in actions/checkout issue 14, you can add as a first step:

    - name: Fix up git URLs
      run: echo -e '[url "https://github.com/"]\n  insteadOf = "git://github.com/"' >> ~/.gitconfig

That will change any git://github.com/ into https://github.com/.

For local projects

For all your repositories, you can set:

git config --global url."https://github.com/".insteadOf git://github.com/

You can also use SSH, but GitHub Security reminds us that, as of March 15th, 2022, GitHub stopped accepting DSA keys. RSA keys uploaded after Nov 2, 2021 will work only with SHA-2 signatures.
The deprecated MACs, ciphers, and unencrypted Git protocol are permanently disabled.

So this (with the right key) would work:

git config --global url."git@github.com:".insteadOf git://github.com/

That will change any git://github.com/ (unencrypted Git protocol) into git@github.com: (SSH URL).

Source https://stackoverflow.com/questions/70663523

QUESTION

ESlint - Error: Must use import to load ES Module

Asked 2022-Mar-17 at 12:13

I am currently setting up a boilerplate with React, Typescript, styled components, webpack etc. and I am getting an error when trying to run eslint:

Error: Must use import to load ES Module

Here is a more verbose version of the error:

/Users/ben/Desktop/development projects/react-boilerplate-styled-context/src/api/api.ts
  0:0  error  Parsing error: Must use import to load ES Module: /Users/ben/Desktop/development projects/react-boilerplate-styled-context/node_modules/eslint/node_modules/eslint-scope/lib/definition.js
require() of ES modules is not supported.
require() of /Users/ben/Desktop/development projects/react-boilerplate-styled-context/node_modules/eslint/node_modules/eslint-scope/lib/definition.js from /Users/ben/Desktop/development projects/react-boilerplate-styled-context/node_modules/babel-eslint/lib/require-from-eslint.js is an ES module file as it is a .js file whose nearest parent package.json contains "type": "module" which defines all .js files in that package scope as ES modules.
Instead rename definition.js to end in .cjs, change the requiring code to use import(), or remove "type": "module" from /Users/ben/Desktop/development projects/react-boilerplate-styled-context/node_modules/eslint/node_modules/eslint-scope/package.json

The error occurs in every single one of my .js and .ts/ .tsx files where I only use import or the file doesn't even have an import at all. I understand what the error is saying but I have no idea why it is being thrown when in fact I only use imports or even no imports at all in some files.

Here is my package.json where I trigger the linter from using npm run lint:eslint:quiet:

{
  "name": "my-react-boilerplate",
  "version": "1.0.0",
  "description": "",
  "main": "index.tsx",
  "directories": {
    "test": "test"
  },
  "engines": {
    "node": ">=14.0.0"
  },
  "type": "module",
  "scripts": {
    "build": "webpack --config webpack.prod.js",
    "dev": "webpack serve --config webpack.dev.js",
    "lint": "npm run typecheck && npm run lint:css && npm run lint:eslint:quiet",
    "lint:css": "stylelint './src/**/*.{js,ts,tsx}'",
    "lint:eslint:quiet": "eslint --ext .ts,.tsx,.js,.jsx  ./src --no-error-on-unmatched-pattern --quiet",
    "lint:eslint": "eslint --ext .ts,.tsx,.js,.jsx  ./src --no-error-on-unmatched-pattern",
    "lint:eslint:fix": "eslint --ext .ts,.tsx,.js,.jsx  ./src --no-error-on-unmatched-pattern --quiet --fix",
    "test": "cross-env NODE_ENV=test jest --coverage",
    "test:watch": "cross-env NODE_ENV=test jest --watchAll",
    "typecheck": "tsc --noEmit",
    "precommit": "npm run lint"
  },
  "lint-staged": {
    "*.{ts,tsx,js,jsx}": [
      "npm run lint:eslint:fix",
      "git add --force"
    ],
    "*.{md,json}": [
      "prettier --write",
      "git add --force"
    ]
  },
  "husky": {
    "hooks": {
      "pre-commit": "npx lint-staged && npm run typecheck"
    }
  },
  "resolutions": {
    "styled-components": "^5"
  },
  "author": "",
  "license": "ISC",
  "devDependencies": {
    "@babel/core": "^7.5.4",
    "@babel/plugin-proposal-class-properties": "^7.5.0",
    "@babel/preset-env": "^7.5.4",
    "@babel/preset-react": "^7.0.0",
    "@types/history": "^4.7.6",
    "@types/react": "^17.0.29",
    "@types/react-dom": "^17.0.9",
    "@types/react-router": "^5.1.17",
    "@types/react-router-dom": "^5.1.5",
    "@types/styled-components": "^5.1.15",
    "@typescript-eslint/eslint-plugin": "^5.0.0",
    "babel-cli": "^6.26.0",
    "babel-eslint": "^10.0.2",
    "babel-loader": "^8.0.0-beta.6",
    "babel-polyfill": "^6.26.0",
    "babel-preset-env": "^1.7.0",
    "babel-preset-react": "^6.24.1",
    "babel-preset-stage-2": "^6.24.1",
    "clean-webpack-plugin": "^4.0.0",
    "dotenv-webpack": "^7.0.3",
    "error-overlay-webpack-plugin": "^1.0.0",
    "eslint": "^8.0.0",
    "eslint-config-airbnb": "^18.2.0",
    "eslint-config-prettier": "^8.3.0",
    "eslint-config-with-prettier": "^6.0.0",
    "eslint-plugin-compat": "^3.3.0",
    "eslint-plugin-import": "^2.25.2",
    "eslint-plugin-jsx-a11y": "^6.2.3",
    "eslint-plugin-prettier": "^4.0.0",
    "eslint-plugin-react": "^7.14.2",
    "eslint-plugin-react-hooks": "^4.2.0",
    "extract-text-webpack-plugin": "^3.0.2",
    "file-loader": "^6.2.0",
    "html-webpack-plugin": "^5.3.2",
    "husky": "^7.0.2",
    "prettier": "^2.4.1",
    "raw-loader": "^4.0.2",
    "style-loader": "^3.3.0",
    "stylelint": "^13.13.1",
    "stylelint-config-recommended": "^5.0.0",
    "stylelint-config-styled-components": "^0.1.1",
    "stylelint-processor-styled-components": "^1.10.0",
    "ts-loader": "^9.2.6",
    "tslint": "^6.1.3",
    "typescript": "^4.4.4",
    "url-loader": "^4.1.1",
    "webpack": "^5.58.2",
    "webpack-cli": "^4.2.0",
    "webpack-dev-server": "^4.3.1",
    "webpack-merge": "^5.3.0"
  },
  "dependencies": {
    "history": "^4.10.0",
    "process": "^0.11.10",
    "react": "^17.0.1",
    "react-dom": "^17.0.1",
    "react-router-dom": "^5.2.0",
    "styled-components": "^5.2.1"
  }
}

Here is my .eslintrc file:

{
  "extends": ["airbnb", "prettier"],
  "parser": "babel-eslint",
  "plugins": ["prettier", "@typescript-eslint"],
  "parserOptions": {
    "ecmaVersion": 8,
    "ecmaFeatures": {
      "experimentalObjectRestSpread": true,
      "impliedStrict": true,
      "classes": true
    }
  },
  "env": {
    "browser": true,
    "node": true,
    "jest": true
  },
  "rules": {
    "arrow-body-style": ["error", "as-needed"],
    "class-methods-use-this": 0,
    "react/jsx-filename-extension": 0,
    "global-require": 0,
    "react/destructuring-assignment": 0,
    "import/named": 2,
    "linebreak-style": 0,
    "import/no-dynamic-require": 0,
    "import/no-named-as-default": 0,
    "import/no-unresolved": 2,
    "import/prefer-default-export": 0,
    "semi": [2, "always"],
    "max-len": [
      "error",
      {
        "code": 80,
        "ignoreUrls": true,
        "ignoreComments": true,
        "ignoreStrings": true,
        "ignoreTemplateLiterals": true
      }
    ],
    "new-cap": [
      2,
      {
        "capIsNew": false,
        "newIsCap": true
      }
    ],
    "no-param-reassign": 0,
    "no-shadow": 0,
    "no-tabs": 2,
    "no-underscore-dangle": 0,
    "react/forbid-prop-types": [
      "error",
      {
        "forbid": ["any"]
      }
    ],
    "import/no-extraneous-dependencies": ["error", { "devDependencies": true }],
    "react/jsx-no-bind": [
      "error",
      {
        "ignoreRefs": true,
        "allowArrowFunctions": true,
        "allowBind": false
      }
    ],
    "react/no-unknown-property": [
      2,
      {
        "ignore": ["itemscope", "itemtype", "itemprop"]
      }
    ]
  }
}

And i'm not sure if relevant but also my tsconfig.eslint.json file:

{
  "extends": "./tsconfig.json",
  "include": ["./src/**/*.ts", "./src/**/*.tsx", "./src/**/*.js"],
  "exclude": ["node_modules/**", "build/**", "coverage/**"]
}

Not sure if anyone has come across this before? Googling the error does not present any useful forums or raised bugs, most of them just state not to use require in your files which I am not.

ANSWER

Answered 2022-Mar-15 at 16:08

I think the problem is that you are trying to use the deprecated babel-eslint parser, last updated a year ago, which looks like it doesn't support ES6 modules. Updating to the latest parser seems to work, at least for simple linting.

So, do this:

In package.json, update the line "babel-eslint": "^10.0.2", to "@babel/eslint-parser": "^7.5.4",. This works with the code above but it may be better to use the latest version, which at the time of writing is 7.16.3.
Run npm i from a terminal/command prompt in the folder
In .eslintrc, update the parser line "parser": "babel-eslint", to "parser": "@babel/eslint-parser",
In .eslintrc, add "requireConfigFile": false, to the parserOptions section (underneath "ecmaVersion": 8,) (I needed this or babel was looking for config files I don't have)
Run the command to lint a file

Then, for me with just your two configuration files, the error goes away and I get appropriate linting errors.

Source https://stackoverflow.com/questions/69554485

QUESTION

ASP.NET Core 6 how to access Configuration during startup

Asked 2022-Mar-08 at 11:45

In earlier versions, we had Startup.cs class and we get configuration object as follows in the Startup file.

public class Startup 
{
    private readonly IHostEnvironment environment;
    private readonly IConfiguration config;

    public Startup(IConfiguration configuration, IHostEnvironment environment) 
    {
        this.config = configuration;
        this.environment = environment;
    }

    public void ConfigureServices(IServiceCollection services) 
    {
        // Add Services
    }

    public void Configure(IApplicationBuilder app, IWebHostEnvironment env) 
    {
        // Add Middlewares
    }

}

Now in .NET 6 (With Visual Studio 2022), we don't see the Startup.cs class. Looks like its days are numbered. So how do we get these objects like Configuration(IConfiguration) and Hosting Environment(IHostEnvironment)

How do we get these objects, to say read the configuration from appsettings? Currently the Program.cs file looks like this.

using Festify.Database;
using Microsoft.EntityFrameworkCore;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
builder.Services.AddRazorPages();

builder.Services.AddDbContext<FestifyContext>();


////////////////////////////////////////////////
// The following is Giving me error as Configuration 
// object is not avaible, I dont know how to inject this here.
////////////////////////////////////////////////


builder.Services.AddDbContext<FestifyContext>(opt =>
        opt.UseSqlServer(
            Configuration.GetConnectionString("Festify")));


var app = builder.Build();

// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Error");
    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
    app.UseHsts();
}

app.UseHttpsRedirection();
app.UseStaticFiles();

app.UseRouting();

app.UseAuthorization();

app.MapRazorPages();

app.Run();

I want to know how to read the configuration from appsettings.json ?

ANSWER

Answered 2021-Oct-26 at 12:26

WebApplicationBuilder returned by WebApplication.CreateBuilder(args) exposes Configuration and Environment properties:

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
...
ConfigurationManager configuration = builder.Configuration;
IWebHostEnvironment environment = builder.Environment;

WebApplication returned by WebApplicationBuilder.Build() also exposes Configuration and Environment:

var app = builder.Build();
IConfiguration configuration = app.Configuration;
IWebHostEnvironment environment = app.Environment;

Also check the migration guide and code samples.

Source https://stackoverflow.com/questions/69722872

QUESTION

Error when trying to run my React Native app on Android

Asked 2022-Mar-06 at 07:58

I've built my React Native app and tested and troubleshooted with my iOS devices for months. Now I'm trying to built and test the app on Android for the first time. The thing is, that I keep getting errors trying to run the Android-version of my app. After hours of debugging and troubleshooting, I tried to create a new RN project and see if that could run on my emulator and device. I got that part working and then I wanted to copy/paste the files of my existing app project into the new project.

I pasted my existing assets, styles, the source JS-files and the package.json file into the new project, ran npm install and then I ended up with the exact same error message as I had in the original project when I run react-native run-android.

The full error message is here:

error Failed to install the app. Make sure you have the Android development environment set up: https://reactnative.dev/docs/environment-setup.
Error: Command failed: ./gradlew app:installDebug -PreactNativeDevServerPort=8081
Warning: Mapping new ns http://schemas.android.com/repository/android/common/02 to old ns http://schemas.android.com/repository/android/common/01
Warning: Mapping new ns http://schemas.android.com/repository/android/generic/02 to old ns http://schemas.android.com/repository/android/generic/01
Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/addon2/02 to old ns http://schemas.android.com/sdk/android/repo/addon2/01
Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/repository2/02 to old ns http://schemas.android.com/sdk/android/repo/repository2/01
Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/sys-img2/02 to old ns http://schemas.android.com/sdk/android/repo/sys-img2/01

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:mergeDebugAssets'.
> Could not resolve all files for configuration ':app:debugRuntimeClasspath'.
   > Could not find com.facebook.yoga:proguard-annotations:1.14.1.
     Searched in the following locations:
       - https://dl.google.com/dl/android/maven2/com/facebook/yoga/proguard-annotations/1.14.1/proguard-annotations-1.14.1.pom
       - https://repo.maven.apache.org/maven2/com/facebook/yoga/proguard-annotations/1.14.1/proguard-annotations-1.14.1.pom
       - file:/Users/MyUser/.m2/repository/com/facebook/yoga/proguard-annotations/1.14.1/proguard-annotations-1.14.1.pom
       - file:/Users/MyUser/MyAppFolder/MyApp/node_modules/react-native/android/com/facebook/yoga/proguard-annotations/1.14.1/proguard-annotations-1.14.1.pom
       - file:/Users/MyUser/MyAppFolder/MyApp/node_modules/jsc-android/dist/com/facebook/yoga/proguard-annotations/1.14.1/proguard-annotations-1.14.1.pom
       - https://www.jitpack.io/com/facebook/yoga/proguard-annotations/1.14.1/proguard-annotations-1.14.1.pom
     Required by:
         project :app > com.facebook.react:react-native:0.64.2
   > Could not find com.facebook.fbjni:fbjni-java-only:0.0.3.
     Searched in the following locations:
       - https://dl.google.com/dl/android/maven2/com/facebook/fbjni/fbjni-java-only/0.0.3/fbjni-java-only-0.0.3.pom
       - https://repo.maven.apache.org/maven2/com/facebook/fbjni/fbjni-java-only/0.0.3/fbjni-java-only-0.0.3.pom
       - file:/Users/MyUser/.m2/repository/com/facebook/fbjni/fbjni-java-only/0.0.3/fbjni-java-only-0.0.3.pom
       - file:/Users/MyUser/MyAppFolder/MyApp/node_modules/react-native/android/com/facebook/fbjni/fbjni-java-only/0.0.3/fbjni-java-only-0.0.3.pom
       - file:/Users/MyUser/MyAppFolder/MyApp/node_modules/jsc-android/dist/com/facebook/fbjni/fbjni-java-only/0.0.3/fbjni-java-only-0.0.3.pom
       - https://www.jitpack.io/com/facebook/fbjni/fbjni-java-only/0.0.3/fbjni-java-only-0.0.3.pom
     Required by:
         project :app > com.facebook.react:react-native:0.64.2
   > Could not find com.yqritc:android-scalablevideoview:1.0.4.
     Searched in the following locations:
       - https://dl.google.com/dl/android/maven2/com/yqritc/android-scalablevideoview/1.0.4/android-scalablevideoview-1.0.4.pom
       - https://repo.maven.apache.org/maven2/com/yqritc/android-scalablevideoview/1.0.4/android-scalablevideoview-1.0.4.pom
       - file:/Users/MyUser/.m2/repository/com/yqritc/android-scalablevideoview/1.0.4/android-scalablevideoview-1.0.4.pom
       - file:/Users/MyUser/MyAppFolder/MyApp/node_modules/react-native/android/com/yqritc/android-scalablevideoview/1.0.4/android-scalablevideoview-1.0.4.pom
       - file:/Users/MyUser/MyAppFolder/MyApp/node_modules/jsc-android/dist/com/yqritc/android-scalablevideoview/1.0.4/android-scalablevideoview-1.0.4.pom
       - https://www.jitpack.io/com/yqritc/android-scalablevideoview/1.0.4/android-scalablevideoview-1.0.4.pom
     Required by:
         project :app > project :react-native-video

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 10s

    at makeError (/Users/MyUser/MyAppFolder/MyApp/node_modules/execa/index.js:174:9)
    at /Users/MyUser/MyAppFolder/MyApp/node_modules/execa/index.js:278:16
    at processTicksAndRejections (node:internal/process/task_queues:96:5)
    at async runOnAllDevices (/Users/MyUser/MyAppFolder/MyApp/node_modules/@react-native-community/cli-platform-android/build/commands/runAndroid/runOnAllDevices.js:94:5)
    at async Command.handleAction (/Users/MyUser/MyAppFolder/MyApp/node_modules/react-native/node_modules/@react-native-community/cli/build/index.js:186:9)

I've tried to run ./gradlew clean in the android-folder without any luck. My build.gradle-file looks like this:

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
    ext {
        buildToolsVersion = "30.0.2"
        minSdkVersion = 21
        compileSdkVersion = 30
        targetSdkVersion = 30
        ndkVersion = "20.1.5948944"
        kotlinVersion = "1.3.72"
    }
    repositories {
        repositories {
            google()
            maven { url 'https://maven.google.com' }
            mavenLocal()
            mavenCentral()

           // jcenter()
            maven {
                // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
                url "$rootDir/../node_modules/react-native/android"
            }
        }
    }
    dependencies {
        classpath("com.android.tools.build:gradle:4.2.1")
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        google()
        mavenCentral()

        mavenLocal()
        maven {
            // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
            url("$rootDir/../node_modules/react-native/android")
        }
        maven {
            // Android JSC is installed from npm
            url("$rootDir/../node_modules/jsc-android/dist")
        }

        maven { url 'https://www.jitpack.io' }
    }
}

Please let me know if you know what to do or if you have experienced a similar issue!

ANSWER

Answered 2021-Aug-21 at 13:43

I've hit this same issue and have temporarily resolved it by uninstalling react-native-video (npm uninstall --save react-native-video). That's not a great answer as I need that component, but I don't have a full solution yet. I think somehow com.yqritc:android-scalablevideoview:1.0.4. is required by react-native-video but has gotten lost or removed. Other thoughts are welcome.

UPDATE: Resolved! In your build.gradle in your Android folder you need to add the repository "jcenter()" in allprojects (not in build dependencies) like this...

allprojects {
    repositories {
        mavenCentral()
        mavenLocal()
        jcenter()
}

Source https://stackoverflow.com/questions/68835157

QUESTION

Switch' is not exported from 'react-router-dom'

Asked 2022-Mar-01 at 09:07

In package.json file react-router-dom dependencies added. App component wrapped by BrowswerRouter , but when I wrap route by switch it says the following error Switch' is not exported from 'react-router-dom'. I deleted the package.json.lock ,node modules, installed npm again and npm install @babel/core --save. Still not working. I successfully wasted 6 hour for this. Can you please help me to fix this? why it's not importing?

Index.js

import {BrowserRouter} from 'react-router-dom';

ReactDOM.render(
  <BrowserRouter>
     <App />
  </BrowserRouter>,
  document.getElementById('root')
);

App.js:

 import logo from './logo.svg';
import './App.css';
import React from 'react';
import {Switch,Route,Link} from 'react-router-dom';
import Home from './Home';
class App extends React.Component {
  componentDidMount(){
    alert('mounting');
  }
  componentDidUpdate(){
    alert('updated');
  }
 render(){
  return (
    
    <div className="App">
     
    <div>
      <Link to="/">Home</Link>
    </div>

    <hr />

    <Switch>
      <Route exact path="/">
        <Home/>
      </Route>
    </Switch>
 
  </div>
 
);
 }
}

export default App;

import React from 'react';

    const Home = () => {
    return <h1>Home</h1>;
  };
  
  export default Home;

package.json

"dependencies": {
    "@babel/core": "^7.16.0",
    "@testing-library/jest-dom": "^5.11.4",
    "@testing-library/react": "^11.1.0",
    "@testing-library/user-event": "^12.1.10",
    "react": "^17.0.2",
    "react-dom": "^17.0.2",
    "react-router": "^6.0.0",
    "react-router-dom": "^6.0.0",
    "react-scripts": "4.0.3",
    "web-vitals": "^1.0.1"
  },

ANSWER

Answered 2021-Nov-04 at 18:10

Using Routes instead of Switch in react-router v6

You are using react-router-dom version 6, which replaced Switch with the Routes component

import {
  BrowserRouter,
  Routes, // instead of "Switch"
  Route,
} from "react-router-dom";

// ...

    <BrowserRouter>
      <Routes>
        <Route exact path="/" element={<Home />}>
          <Home/>
        </Route>
      </Routes>
    </BrowserRouter>

Note that you now also pass your component as the element prop instead of using children.

Source https://stackoverflow.com/questions/69843615

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install json

You can download it from GitHub.

Support

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