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javascript | JavaScript Style Guide | Code Analyzer library

 by   airbnb JavaScript Version: Current License: MIT

 by   airbnb JavaScript Version: Current License: MIT

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kandi X-RAY | javascript Summary

javascript is a JavaScript library typically used in Code Quality, Code Analyzer applications. javascript has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can install using 'npm i eslint-config-wesm87' or download it from GitHub, npm.
JavaScript Style Guide
Support
Support
Quality
Quality
Security
Security
License
License
Reuse
Reuse

kandi-support Support

  • javascript has a medium active ecosystem.
  • It has 118201 star(s) with 22543 fork(s). There are 3848 watchers for this library.
  • It had no major release in the last 12 months.
  • There are 86 open issues and 1053 have been closed. On average issues are closed in 64 days. There are 48 open pull requests and 0 closed requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of javascript is current.
javascript Support
Best in #Code Analyzer
Average in #Code Analyzer
javascript Support
Best in #Code Analyzer
Average in #Code Analyzer

quality kandi Quality

  • javascript has 0 bugs and 0 code smells.
javascript Quality
Best in #Code Analyzer
Average in #Code Analyzer
javascript Quality
Best in #Code Analyzer
Average in #Code Analyzer

securitySecurity

  • javascript has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
  • javascript code analysis shows 0 unresolved vulnerabilities.
  • There are 0 security hotspots that need review.
javascript Security
Best in #Code Analyzer
Average in #Code Analyzer
javascript Security
Best in #Code Analyzer
Average in #Code Analyzer

license License

  • javascript is licensed under the MIT License. This license is Permissive.
  • Permissive licenses have the least restrictions, and you can use them in most projects.
javascript License
Best in #Code Analyzer
Average in #Code Analyzer
javascript License
Best in #Code Analyzer
Average in #Code Analyzer

buildReuse

  • javascript releases are not available. You will need to build from source code and install.
  • Deployable package is available in npm.
  • Installation instructions are not available. Examples and code snippets are available.
javascript Reuse
Best in #Code Analyzer
Average in #Code Analyzer
javascript Reuse
Best in #Code Analyzer
Average in #Code Analyzer
Top functions reviewed by kandi - BETA

kandi has reviewed javascript and discovered the below as its top functions. This is intended to give you an instant insight into javascript implemented functionality, and help decide if they suit your requirements.

  • Checks to see if any rules are present .
  • Get the severity from a rule .

javascript Key Features

JavaScript Style Guide

Types

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const foo = 1;
let bar = foo;

bar = 9;

console.log(foo, bar); // => 1, 9

References

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// bad
var a = 1;
var b = 2;

// good
const a = 1;
const b = 2;

Objects

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// bad
const item = new Object();

// good
const item = {};

Arrays

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// bad
const items = new Array();

// good
const items = [];

Destructuring

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// bad
function getFullName(user) {
  const firstName = user.firstName;
  const lastName = user.lastName;

  return `${firstName} ${lastName}`;
}

// good
function getFullName(user) {
  const { firstName, lastName } = user;
  return `${firstName} ${lastName}`;
}

// best
function getFullName({ firstName, lastName }) {
  return `${firstName} ${lastName}`;
}

Strings

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// bad
const name = "Capt. Janeway";

// bad - template literals should contain interpolation or newlines
const name = `Capt. Janeway`;

// good
const name = 'Capt. Janeway';

Functions

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// bad
function foo() {
  // ...
}

// bad
const foo = function () {
  // ...
};

// good
// lexical name distinguished from the variable-referenced invocation(s)
const short = function longUniqueMoreDescriptiveLexicalFoo() {
  // ...
};

Arrow Functions

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// bad
[1, 2, 3].map(function (x) {
  const y = x + 1;
  return x * y;
});

// good
[1, 2, 3].map((x) => {
  const y = x + 1;
  return x * y;
});

Classes & Constructors

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// bad
function Queue(contents = []) {
  this.queue = [...contents];
}
Queue.prototype.pop = function () {
  const value = this.queue[0];
  this.queue.splice(0, 1);
  return value;
};

// good
class Queue {
  constructor(contents = []) {
    this.queue = [...contents];
  }
  pop() {
    const value = this.queue[0];
    this.queue.splice(0, 1);
    return value;
  }
}

Modules

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// bad
const AirbnbStyleGuide = require('./AirbnbStyleGuide');
module.exports = AirbnbStyleGuide.es6;

// ok
import AirbnbStyleGuide from './AirbnbStyleGuide';
export default AirbnbStyleGuide.es6;

// best
import { es6 } from './AirbnbStyleGuide';
export default es6;

Iterators and Generators

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const numbers = [1, 2, 3, 4, 5];

// bad
let sum = 0;
for (let num of numbers) {
  sum += num;
}
sum === 15;

// good
let sum = 0;
numbers.forEach((num) => {
  sum += num;
});
sum === 15;

// best (use the functional force)
const sum = numbers.reduce((total, num) => total + num, 0);
sum === 15;

// bad
const increasedByOne = [];
for (let i = 0; i < numbers.length; i++) {
  increasedByOne.push(numbers[i] + 1);
}

// good
const increasedByOne = [];
numbers.forEach((num) => {
  increasedByOne.push(num + 1);
});

// best (keeping it functional)
const increasedByOne = numbers.map((num) => num + 1);

Properties

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const luke = {
  jedi: true,
  age: 28,
};

// bad
const isJedi = luke['jedi'];

// good
const isJedi = luke.jedi;

Variables

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// bad
superPower = new SuperPower();

// good
const superPower = new SuperPower();

Hoisting

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// we know this wouldn’t work (assuming there
// is no notDefined global variable)
function example() {
  console.log(notDefined); // => throws a ReferenceError
}

// creating a variable declaration after you
// reference the variable will work due to
// variable hoisting. Note: the assignment
// value of `true` is not hoisted.
function example() {
  console.log(declaredButNotAssigned); // => undefined
  var declaredButNotAssigned = true;
}

// the interpreter is hoisting the variable
// declaration to the top of the scope,
// which means our example could be rewritten as:
function example() {
  let declaredButNotAssigned;
  console.log(declaredButNotAssigned); // => undefined
  declaredButNotAssigned = true;
}

// using const and let
function example() {
  console.log(declaredButNotAssigned); // => throws a ReferenceError
  console.log(typeof declaredButNotAssigned); // => throws a ReferenceError
  const declaredButNotAssigned = true;
}

Comparison Operators & Equality

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if ([0] && []) {
  // true
  // an array (even an empty one) is an object, objects will evaluate to true
}

Blocks

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// bad
if (test)
  return false;

// good
if (test) return false;

// good
if (test) {
  return false;
}

// bad
function foo() { return false; }

// good
function bar() {
  return false;
}

Control Statements

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// bad
if ((foo === 123 || bar === 'abc') && doesItLookGoodWhenItBecomesThatLong() && isThisReallyHappening()) {
  thing1();
}

// bad
if (foo === 123 &&
  bar === 'abc') {
  thing1();
}

// bad
if (foo === 123
  && bar === 'abc') {
  thing1();
}

// bad
if (
  foo === 123 &&
  bar === 'abc'
) {
  thing1();
}

// good
if (
  foo === 123
  && bar === 'abc'
) {
  thing1();
}

// good
if (
  (foo === 123 || bar === 'abc')
  && doesItLookGoodWhenItBecomesThatLong()
  && isThisReallyHappening()
) {
  thing1();
}

// good
if (foo === 123 && bar === 'abc') {
  thing1();
}

Comments

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// bad
// make() returns a new element
// based on the passed in tag name
//
// @param {String} tag
// @return {Element} element
function make(tag) {

  // ...

  return element;
}

// good
/**
 * make() returns a new element
 * based on the passed-in tag name
 */
function make(tag) {

  // ...

  return element;
}

Whitespace

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// bad
function foo() {
∙∙∙∙let name;
}

// bad
function bar() {
∙let name;
}

// good
function baz() {
∙∙let name;
}

Commas

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// bad
const story = [
    once
  , upon
  , aTime
];

// good
const story = [
  once,
  upon,
  aTime,
];

// bad
const hero = {
    firstName: 'Ada'
  , lastName: 'Lovelace'
  , birthYear: 1815
  , superPower: 'computers'
};

// good
const hero = {
  firstName: 'Ada',
  lastName: 'Lovelace',
  birthYear: 1815,
  superPower: 'computers',
};

Semicolons

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// bad - raises exception
const luke = {}
const leia = {}
[luke, leia].forEach((jedi) => jedi.father = 'vader')

// bad - raises exception
const reaction = "No! That’s impossible!"
(async function meanwhileOnTheFalcon() {
  // handle `leia`, `lando`, `chewie`, `r2`, `c3p0`
  // ...
}())

// bad - returns `undefined` instead of the value on the next line - always happens when `return` is on a line by itself because of ASI!
function foo() {
  return
    'search your feelings, you know it to be foo'
}

// good
const luke = {};
const leia = {};
[luke, leia].forEach((jedi) => {
  jedi.father = 'vader';
});

// good
const reaction = "No! That’s impossible!";
(async function meanwhileOnTheFalcon() {
  // handle `leia`, `lando`, `chewie`, `r2`, `c3p0`
  // ...
}());

// good
function foo() {
  return 'search your feelings, you know it to be foo';
}

Type Casting & Coercion

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// => this.reviewScore = 9;

// bad
const totalScore = new String(this.reviewScore); // typeof totalScore is "object" not "string"

// bad
const totalScore = this.reviewScore + ''; // invokes this.reviewScore.valueOf()

// bad
const totalScore = this.reviewScore.toString(); // isn’t guaranteed to return a string

// good
const totalScore = String(this.reviewScore);

Naming Conventions

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// bad
function q() {
  // ...
}

// good
function query() {
  // ...
}

Accessors

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// bad
class Dragon {
  get age() {
    // ...
  }

  set age(value) {
    // ...
  }
}

// good
class Dragon {
  getAge() {
    // ...
  }

  setAge(value) {
    // ...
  }
}

Events

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// bad
$(this).trigger('listingUpdated', listing.id);

// ...

$(this).on('listingUpdated', (e, listingID) => {
  // do something with listingID
});

jQuery

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// bad
const sidebar = $('.sidebar');

// good
const $sidebar = $('.sidebar');

// good
const $sidebarBtn = $('.sidebar-btn');

Standard Library

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// bad
isNaN('1.2'); // false
isNaN('1.2.3'); // true

// good
Number.isNaN('1.2.3'); // false
Number.isNaN(Number('1.2.3')); // true

Testing

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function foo() {
  return true;
}

Javascript dynamically inserted later on: how to make it run?

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const addScript = () => {
    const script = document.createElement("script");
    script.src = '<url-of-the-script>';
    script.async = true;
    script.onload = function() {
        // Do something
    };
    document.head.appendChild(script);
}
useEffect(() => {
    addScript();
    return () => {
        // remove the script on component unmount
    };
}, []);
-----------------------
const addScript = () => {
    const script = document.createElement("script");
    script.src = '<url-of-the-script>';
    script.async = true;
    script.onload = function() {
        // Do something
    };
    document.head.appendChild(script);
}
useEffect(() => {
    addScript();
    return () => {
        // remove the script on component unmount
    };
}, []);
-----------------------
const [dbData,setDbData] = useState([]);

useEffect(()=>{
  const dbReqFunc = async () => {
    // req your dynamic data here and set the data fetched to dbData
    // using setDbData(...)
  };

  dbReqFunc();
},[]);  // Making the call on component loading (Modify accordingly based on 
        // needs)

useEffect(()=>{
  if(dbData.length>0){
    const elem = document.createElement('div');
    dbData.map(data=> {

        // based on data returned modify accordingly

        const script = document.createElement("script");
        script.src = '...script-url...';
        script.async = true;
        script.onload = function() {
          // Do something
        };
     
        //...other script fields...       

        elem.appendChild(script);
      });
     
     // attach elem to body
     document.body.appendChild(elem);

     return ()=>{
      // clean-up function
        document.body.removeChild(elem);
     };
  }

},[dbData]);
-----------------------
const [dbData,setDbData] = useState([]);

useEffect(()=>{
  const dbReqFunc = async () => {
    // req your dynamic data here and set the data fetched to dbData
    // using setDbData(...)
  };

  dbReqFunc();
},[]);  // Making the call on component loading (Modify accordingly based on 
        // needs)

useEffect(()=>{
  if(dbData.length>0){
    const elem = document.createElement('div');
    dbData.map(data=> {

        // based on data returned modify accordingly

        const script = document.createElement("script");
        script.src = '...script-url...';
        script.async = true;
        script.onload = function() {
          // Do something
        };
     
        //...other script fields...       

        elem.appendChild(script);
      });
     
     // attach elem to body
     document.body.appendChild(elem);

     return ()=>{
      // clean-up function
        document.body.removeChild(elem);
     };
  }

},[dbData]);
-----------------------
function App() {
  const ref = useRef();

  useEffect(() => {
    /* convert your HTML string into DocumentFragment*/
    const node = document.createRange().createContextualFragment(HTML);
    ref.current.appendChild(node);
  }, []);

  return (
    <div>
      <h1>HTML String</h1>
      <div>
        <div ref={ref}></div>
      </div>
    </div>
  );
}

class App extends React.Component {
  constructor(props) {
    super(props);
    this.ref = React.createRef();
  }

  componentDidMount() {
    const node = document.createRange().createContextualFragment(HTML);
    this.ref.current.appendChild(node);
  }

  render() {
    return (
      <div>
        <h1>HTML String</h1>
        <div>
          <div ref={this.ref}></div>
        </div>
      </div>
    );
  }
}

-----------------------
function App() {
  const ref = useRef();

  useEffect(() => {
    /* convert your HTML string into DocumentFragment*/
    const node = document.createRange().createContextualFragment(HTML);
    ref.current.appendChild(node);
  }, []);

  return (
    <div>
      <h1>HTML String</h1>
      <div>
        <div ref={ref}></div>
      </div>
    </div>
  );
}

class App extends React.Component {
  constructor(props) {
    super(props);
    this.ref = React.createRef();
  }

  componentDidMount() {
    const node = document.createRange().createContextualFragment(HTML);
    this.ref.current.appendChild(node);
  }

  render() {
    return (
      <div>
        <h1>HTML String</h1>
        <div>
          <div ref={this.ref}></div>
        </div>
      </div>
    );
  }
}

Instead change the require of index.js, to a dynamic import() which is available in all CommonJS modules

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"type": "module",
-----------------------
ng update @angular-devkit/build-angular 

What is jsconfig.json

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{
  "compilerOptions": {
    "baseUrl": ".",
    "paths": {
      "$libs": ["src/libs"],
      "$libs/*": ["src/libs/*"],
    }
  },
  "include": ["src/**/*.d.ts", "src/**/*.js", "src/**/*.svelte"],
  "exclude": ["node_modules", "**/node_modules", "dist"]
}

Selenium-chromedriver: Cannot construct KeyEvent from non-typeable key

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driver.find_element('.email-input', 'user@mail.com')
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.action_chains import ActionChains

emailParts = 'user@mail.com'.split('@')
emailElement = driver.find_element('.email-input')

emailElement.send_keys(emailParts[0])
action = ActionChains(driver)
action.key_down(Keys.ALT).send_keys('2').key_up(Keys.ALT).perform()
emailElement.send_keys(emailParts[1])
-----------------------
driver.find_element('.email-input', 'user@mail.com')
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.action_chains import ActionChains

emailParts = 'user@mail.com'.split('@')
emailElement = driver.find_element('.email-input')

emailElement.send_keys(emailParts[0])
action = ActionChains(driver)
action.key_down(Keys.ALT).send_keys('2').key_up(Keys.ALT).perform()
emailElement.send_keys(emailParts[1])
-----------------------
# /test/support/system/capybara_config.rb
require 'webdrivers/chromedriver'
Webdrivers::Chromedriver.required_version = '97.0.4692.71'

class ApplicationSystemTestCase < ActionDispatch::SystemTestCase

  # overriding the `fill_in` helper for filling in strings with an `@` symbol
  def fill_in(locator = nil, with:, currently_with: nil, fill_options: {}, **find_options)
    return super unless with.include? "@"

    find_options[:with] = currently_with if currently_with
    find_options[:allow_self] = true if locator.nil?
    element = find(:fillable_field, locator, **find_options)
    email_front, email_back = with.split("@")

    element.send_keys(email_front)
    page.driver.browser.action
        .key_down(Selenium::WebDriver::Keys[:alt])
        .send_keys('g')
        .key_up(Selenium::WebDriver::Keys[:alt])
        .perform
    element.send_keys(email_back)
  end
end
-----------------------
# /test/support/system/capybara_config.rb
require 'webdrivers/chromedriver'
Webdrivers::Chromedriver.required_version = '97.0.4692.71'

class ApplicationSystemTestCase < ActionDispatch::SystemTestCase

  # overriding the `fill_in` helper for filling in strings with an `@` symbol
  def fill_in(locator = nil, with:, currently_with: nil, fill_options: {}, **find_options)
    return super unless with.include? "@"

    find_options[:with] = currently_with if currently_with
    find_options[:allow_self] = true if locator.nil?
    element = find(:fillable_field, locator, **find_options)
    email_front, email_back = with.split("@")

    element.send_keys(email_front)
    page.driver.browser.action
        .key_down(Selenium::WebDriver::Keys[:alt])
        .send_keys('g')
        .key_up(Selenium::WebDriver::Keys[:alt])
        .perform
    element.send_keys(email_back)
  end
end
-----------------------
 String arroba = Keys.chord(Keys.ALT, "2");

 String[] mailSplit = mail.split("@");

 userInput.sendKeys(mailSplit[0]);

 userInput.sendKeys(arroba);
 userInput.sendKeys(Keys.BACK_SPACE);

 userInput.sendKeys(mailSplit[1]);
-----------------------
from selenium.webdriver.common.action_chains import ActionChains
from selenium.webdriver.common.by import By

def safe_send_keys(
    driver,
    input_selector: str,
    input_text: str,
    selector_type = By.CSS_SELECTOR
):
    driver.find_element(selector_type, input_selector).click()
    action = ActionChains(driver)
    action.send_keys(input_text)
    action.perform()

# Example
driver = webdriver.Chrome()
# ... Go to your web page
email = "email_with_at@email.com"
selector = "input_selector"
safe_send_keys(driver, selector, email)
-----------------------
 JavascriptExecutor jse = (JavascriptExecutor) getDriver();
 jse.executeScript("arguments[0].setAttribute('value', arguments[1])", googleEmailWebElement, email);
-----------------------
WebDriverManager.chromedriver().browserVersion("97").setup();
-----------------------
fill_in :user_email, with: user.email
def fill_in_chrome98_tmp_fix(locator, with:)
  element = find(:fillable_field, locator)
  dom_id = element.native.dom_attribute("id")
  raise "No DOM ID" if dom_id.blank?
  page.execute_script("document.getElementById('#{dom_id}').value = '#{with}'")
end
-----------------------
fill_in :user_email, with: user.email
def fill_in_chrome98_tmp_fix(locator, with:)
  element = find(:fillable_field, locator)
  dom_id = element.native.dom_attribute("id")
  raise "No DOM ID" if dom_id.blank?
  page.execute_script("document.getElementById('#{dom_id}').value = '#{with}'")
end
-----------------------
@classmethod
def setUpClass(cls):
    super().setUpClass()

    options = webdriver.ChromeOptions()
    options.add_argument('--no-sandbox')  # Must be the very first option
    options.add_argument('--headless')
    options.add_argument('--disable-gpu')
    options.add_argument('--disable-software-rasterizer')

    options.add_argument('--disable-dev-shm-usage')
    options.add_argument("--remote-debugging-port=9222")
    options.add_argument("--no-default-browser-check")
    options.add_argument("--no-first-run")
    options.add_argument("--disable-default-apps")

    s = Service(
        ChromeDriverManager(
            # version='98.0.4758.80',
            # version='98.0.4758.48',
            version='97.0.4692.71',
            log_level=logging.WARNING,
            chrome_type=ChromeType.CHROMIUM).install())

    cls.selenium = webdriver.Chrome(
        service=s,
        options=options)
    cls.selenium.implicitly_wait(1)

Flutter iOS Error Class AMSupportURLConnectionDelegate is implemented in both /usr/lib/libamsupport.dylib (0x203913130)

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    Simulator deployment target 'IPHONEOS_DEPLOYMENT_TARGET' is set to 8.0, but the range of supported
    deployment target versions is 9.0 to 15.2.99. (in target 'AppAuth' from project 'Pods')
    /Users/zack/Desktop/halseon/Merchant/halseon_merchants/ios/Pods/Pods.xcodeproj: warning: The iOS
    Simulator deployment target 'IPHONEOS_DEPLOYMENT_TARGET' is set to 8.0, but the range of supported
    deployment target versions is 9.0 to 15.2.99. (in target 'GoogleSignIn' from project 'Pods')
-----------------------
$ rm ios/Flutter/Flutter.podspec
$ flutter clean
-----------------------
flutter clean
rm -Rf ios/Pods
rm -Rf ios/.symlinks
rm -Rf ios/Flutter/Flutter.framework
rm -Rf ios/Flutter/Flutter.podspec
rm ios/Podfile
cd ios
flutter pub get
pod cache clean --all
pod install

    or  (below for m1 chip incase above command thrown error in pod install)

#1 Install ffi
sudo arch -x86_64 gem install ffi

#2 Re-install dependencies
arch -x86_64 pod install
1. Open ios/Pods/Pods.xcodeproj in Xcode
2. Change the iOS Deployment info from 8.0 to 9.0
From xcode clean / build again / run. Hope this should work. Before please confirm whether all the build settings for iOS configured properly or not.
Check platform :ios, '10.0' is uncommented
target 'CustomImageNotifications' do
  use_frameworks!
  pod 'Firebase/Analytics'
  pod 'Firebase/Messaging'
end 
-----------------------
flutter clean
rm -Rf ios/Pods
rm -Rf ios/.symlinks
rm -Rf ios/Flutter/Flutter.framework
rm -Rf ios/Flutter/Flutter.podspec
rm ios/Podfile
cd ios
flutter pub get
pod cache clean --all
pod install

    or  (below for m1 chip incase above command thrown error in pod install)

#1 Install ffi
sudo arch -x86_64 gem install ffi

#2 Re-install dependencies
arch -x86_64 pod install
1. Open ios/Pods/Pods.xcodeproj in Xcode
2. Change the iOS Deployment info from 8.0 to 9.0
From xcode clean / build again / run. Hope this should work. Before please confirm whether all the build settings for iOS configured properly or not.
Check platform :ios, '10.0' is uncommented
target 'CustomImageNotifications' do
  use_frameworks!
  pod 'Firebase/Analytics'
  pod 'Firebase/Messaging'
end 
-----------------------
flutter clean
rm -Rf ios/Pods
rm -Rf ios/.symlinks
rm -Rf ios/Flutter/Flutter.framework
rm -Rf ios/Flutter/Flutter.podspec
rm ios/Podfile
cd ios
flutter pub get
pod cache clean --all
pod install

    or  (below for m1 chip incase above command thrown error in pod install)

#1 Install ffi
sudo arch -x86_64 gem install ffi

#2 Re-install dependencies
arch -x86_64 pod install
1. Open ios/Pods/Pods.xcodeproj in Xcode
2. Change the iOS Deployment info from 8.0 to 9.0
From xcode clean / build again / run. Hope this should work. Before please confirm whether all the build settings for iOS configured properly or not.
Check platform :ios, '10.0' is uncommented
target 'CustomImageNotifications' do
  use_frameworks!
  pod 'Firebase/Analytics'
  pod 'Firebase/Messaging'
end 
-----------------------
flutter clean
rm -Rf ios/Pods
rm -Rf ios/.symlinks
rm -Rf ios/Flutter/Flutter.framework
rm -Rf ios/Flutter/Flutter.podspec
rm ios/Podfile
cd ios
flutter pub get
pod cache clean --all
pod install

    or  (below for m1 chip incase above command thrown error in pod install)

#1 Install ffi
sudo arch -x86_64 gem install ffi

#2 Re-install dependencies
arch -x86_64 pod install
1. Open ios/Pods/Pods.xcodeproj in Xcode
2. Change the iOS Deployment info from 8.0 to 9.0
From xcode clean / build again / run. Hope this should work. Before please confirm whether all the build settings for iOS configured properly or not.
Check platform :ios, '10.0' is uncommented
target 'CustomImageNotifications' do
  use_frameworks!
  pod 'Firebase/Analytics'
  pod 'Firebase/Messaging'
end 
-----------------------
flutter clean
rm -Rf ios/Pods
rm -Rf ios/.symlinks
rm -Rf ios/Flutter/Flutter.framework
rm -Rf ios/Flutter/Flutter.podspec
rm ios/Podfile
cd ios
flutter pub get
pod cache clean --all
pod install

    or  (below for m1 chip incase above command thrown error in pod install)

#1 Install ffi
sudo arch -x86_64 gem install ffi

#2 Re-install dependencies
arch -x86_64 pod install
1. Open ios/Pods/Pods.xcodeproj in Xcode
2. Change the iOS Deployment info from 8.0 to 9.0
From xcode clean / build again / run. Hope this should work. Before please confirm whether all the build settings for iOS configured properly or not.
Check platform :ios, '10.0' is uncommented
target 'CustomImageNotifications' do
  use_frameworks!
  pod 'Firebase/Analytics'
  pod 'Firebase/Messaging'
end 
-----------------------
flutter clean
rm -Rf ios/Pods
rm -Rf ios/.symlinks
rm -Rf ios/Flutter/Flutter.framework
rm -Rf ios/Flutter/Flutter.podspec
rm ios/Podfile
cd ios
flutter pub get
pod cache clean --all
pod install

    or  (below for m1 chip incase above command thrown error in pod install)

#1 Install ffi
sudo arch -x86_64 gem install ffi

#2 Re-install dependencies
arch -x86_64 pod install
1. Open ios/Pods/Pods.xcodeproj in Xcode
2. Change the iOS Deployment info from 8.0 to 9.0
From xcode clean / build again / run. Hope this should work. Before please confirm whether all the build settings for iOS configured properly or not.
Check platform :ios, '10.0' is uncommented
target 'CustomImageNotifications' do
  use_frameworks!
  pod 'Firebase/Analytics'
  pod 'Firebase/Messaging'
end 
-----------------------
% flutter clean

% cd ios
% arch -x86_64 pod update

Why does JavaScript's parseInt(0.0000005) print &quot;5&quot;?

copy iconCopydownload iconDownload
String(0.5);      // => '0.5'
String(0.05);     // => '0.05'
String(0.005);    // => '0.005'
String(0.0005);   // => '0.0005' 
String(0.00005);  // => '0.00005'
String(0.000005); // => '0.000005'

String(0.0000005); // => '5e-7'
-----------------------
let n = '0.0000005';
console.log(parseInt(n))

Is there an identity index value in JavaScript?

copy iconCopydownload iconDownload
const self = Symbol('self');

Object.defineProperty(Object.prototype, self, {
    enumerable: false,
    get() { "use strict"; return this; }
});

Rails 7 - link_to with method :delete still performs GET request

copy iconCopydownload iconDownload
<%= link_to "Sign Out", destroy_user_session_path, data: { "turbo-method": :delete } %>
-----------------------
<%= button_to 'Sign Out', destroy_user_session_path, method: :delete %>
<%= link_to 'Sign Out', destroy_user_session_path, data: {turbo_method: :delete} %>
<%= button_to 'Sign Out', destroy_user_session_path, method: :delete,
  form: {data: {turbo_confirm: 'Are you sure?'}} %>
<%= link_to 'Sign Out', destroy_user_session_path,
  data: {turbo_method: :delete, turbo_confirm: 'Are you sure?'} %>
-----------------------
<%= button_to 'Sign Out', destroy_user_session_path, method: :delete %>
<%= link_to 'Sign Out', destroy_user_session_path, data: {turbo_method: :delete} %>
<%= button_to 'Sign Out', destroy_user_session_path, method: :delete,
  form: {data: {turbo_confirm: 'Are you sure?'}} %>
<%= link_to 'Sign Out', destroy_user_session_path,
  data: {turbo_method: :delete, turbo_confirm: 'Are you sure?'} %>
-----------------------
<%= button_to 'Sign Out', destroy_user_session_path, method: :delete %>
<%= link_to 'Sign Out', destroy_user_session_path, data: {turbo_method: :delete} %>
<%= button_to 'Sign Out', destroy_user_session_path, method: :delete,
  form: {data: {turbo_confirm: 'Are you sure?'}} %>
<%= link_to 'Sign Out', destroy_user_session_path,
  data: {turbo_method: :delete, turbo_confirm: 'Are you sure?'} %>
-----------------------
<%= button_to 'Sign Out', destroy_user_session_path, method: :delete %>
<%= link_to 'Sign Out', destroy_user_session_path, data: {turbo_method: :delete} %>
<%= button_to 'Sign Out', destroy_user_session_path, method: :delete,
  form: {data: {turbo_confirm: 'Are you sure?'}} %>
<%= link_to 'Sign Out', destroy_user_session_path,
  data: {turbo_method: :delete, turbo_confirm: 'Are you sure?'} %>

Flutter Web: Cannot scroll with mouse down (drag) (Flutter 2.5+)

copy iconCopydownload iconDownload
class MyCustomScrollBehavior extends MaterialScrollBehavior {
  // Override behavior methods and getters like dragDevices
  @override
  Set<PointerDeviceKind> get dragDevices => { 
    PointerDeviceKind.touch,
    PointerDeviceKind.mouse,
    // etc.
  };
}

// ScrollBehavior can be set for a specific widget.
final ScrollController controller = ScrollController();
ScrollConfiguration(
  behavior: MyCustomScrollBehavior(),
  child: ListView.builder(
    controller: controller,
    itemBuilder: (BuildContext context, int index) {
     return Text('Item $index');
    }
  ),
);
-----------------------
ScrollConfiguration(
    behavior: ScrollConfiguration.of(context).copyWith(dragDevices: {
      PointerDeviceKind.touch,
      PointerDeviceKind.mouse,
    },),
    child: ListView(
      controller: _controller,
      physics: const AlwaysScrollableScrollPhysics(),
      scrollDirection: Axis.horizontal,
      children: <Widget>[
      
          for (int index = 0; index < showThumbnailList.length; index++) _thumbnail(showThumbnailList[index], index)
       
        // showThumbnailList.map((x) => _thumbnail(x) ).toList()),
      ],
    ),
  ),
-----------------------
class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      scrollBehavior: MaterialScrollBehavior().copyWith(
        dragDevices: {PointerDeviceKind.mouse, PointerDeviceKind.touch, PointerDeviceKind.stylus, PointerDeviceKind.unknown},
      ),
      ...

FirebaseOptions cannot be null when creating the default app

copy iconCopydownload iconDownload
void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp(
    // Replace with actual values
    options: FirebaseOptions(
      apiKey: "XXX",
      appId: "XXX",
      messagingSenderId: "XXX",
      projectId: "XXX",
    ),
  );
  runApp(MyApp());
}
dart pub global activate flutterfire_cli
flutterfire configure
void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp(
    options: DefaultFirebaseOptions.currentPlatform,
  );
  runApp(MyApp());
}
  <script src="https://www.gstatic.com/firebasejs/8.6.1/firebase-app.js"></script>
  <script src="https://www.gstatic.com/firebasejs/8.6.1/firebase-analytics.js"></script>
  <script>
    var firebaseConfig = {
      apiKey: "xxx",
      authDomain: "xxx",
      projectId: "xx",
      storageBucket: "exxx",
      messagingSenderId: "xxx",
      appId: "xxx",
      measurementId: "xxx"
    };

    firebase.initializeApp(firebaseConfig);
    firebase.analytics();
  </script>
-----------------------
void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp(
    // Replace with actual values
    options: FirebaseOptions(
      apiKey: "XXX",
      appId: "XXX",
      messagingSenderId: "XXX",
      projectId: "XXX",
    ),
  );
  runApp(MyApp());
}
dart pub global activate flutterfire_cli
flutterfire configure
void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp(
    options: DefaultFirebaseOptions.currentPlatform,
  );
  runApp(MyApp());
}
  <script src="https://www.gstatic.com/firebasejs/8.6.1/firebase-app.js"></script>
  <script src="https://www.gstatic.com/firebasejs/8.6.1/firebase-analytics.js"></script>
  <script>
    var firebaseConfig = {
      apiKey: "xxx",
      authDomain: "xxx",
      projectId: "xx",
      storageBucket: "exxx",
      messagingSenderId: "xxx",
      appId: "xxx",
      measurementId: "xxx"
    };

    firebase.initializeApp(firebaseConfig);
    firebase.analytics();
  </script>
-----------------------
void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp(
    // Replace with actual values
    options: FirebaseOptions(
      apiKey: "XXX",
      appId: "XXX",
      messagingSenderId: "XXX",
      projectId: "XXX",
    ),
  );
  runApp(MyApp());
}
dart pub global activate flutterfire_cli
flutterfire configure
void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp(
    options: DefaultFirebaseOptions.currentPlatform,
  );
  runApp(MyApp());
}
  <script src="https://www.gstatic.com/firebasejs/8.6.1/firebase-app.js"></script>
  <script src="https://www.gstatic.com/firebasejs/8.6.1/firebase-analytics.js"></script>
  <script>
    var firebaseConfig = {
      apiKey: "xxx",
      authDomain: "xxx",
      projectId: "xx",
      storageBucket: "exxx",
      messagingSenderId: "xxx",
      appId: "xxx",
      measurementId: "xxx"
    };

    firebase.initializeApp(firebaseConfig);
    firebase.analytics();
  </script>
-----------------------
void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp(
    // Replace with actual values
    options: FirebaseOptions(
      apiKey: "XXX",
      appId: "XXX",
      messagingSenderId: "XXX",
      projectId: "XXX",
    ),
  );
  runApp(MyApp());
}
dart pub global activate flutterfire_cli
flutterfire configure
void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp(
    options: DefaultFirebaseOptions.currentPlatform,
  );
  runApp(MyApp());
}
  <script src="https://www.gstatic.com/firebasejs/8.6.1/firebase-app.js"></script>
  <script src="https://www.gstatic.com/firebasejs/8.6.1/firebase-analytics.js"></script>
  <script>
    var firebaseConfig = {
      apiKey: "xxx",
      authDomain: "xxx",
      projectId: "xx",
      storageBucket: "exxx",
      messagingSenderId: "xxx",
      appId: "xxx",
      measurementId: "xxx"
    };

    firebase.initializeApp(firebaseConfig);
    firebase.analytics();
  </script>
-----------------------
void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp(
    // Replace with actual values
    options: FirebaseOptions(
      apiKey: "XXX",
      appId: "XXX",
      messagingSenderId: "XXX",
      projectId: "XXX",
    ),
  );
  runApp(MyApp());
}
dart pub global activate flutterfire_cli
flutterfire configure
void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp(
    options: DefaultFirebaseOptions.currentPlatform,
  );
  runApp(MyApp());
}
  <script src="https://www.gstatic.com/firebasejs/8.6.1/firebase-app.js"></script>
  <script src="https://www.gstatic.com/firebasejs/8.6.1/firebase-analytics.js"></script>
  <script>
    var firebaseConfig = {
      apiKey: "xxx",
      authDomain: "xxx",
      projectId: "xx",
      storageBucket: "exxx",
      messagingSenderId: "xxx",
      appId: "xxx",
      measurementId: "xxx"
    };

    firebase.initializeApp(firebaseConfig);
    firebase.analytics();
  </script>
-----------------------
 class Configurations {
      static const _apiKey = "Your values";
      static const _authDomain = "Your values";
      static const _projectId = "Your values";
      static const _storageBucket = "Your values"
      static const _messagingSenderId ="Your values"
      static const _appId = "Your values"
    
//Make some getter functions
      String get apiKey => _apiKey;
      String get authDomain => _authDomain;
      String get projectId => _projectId;
      String get storageBucket => _storageBucket;
      String get messagingSenderId => _messagingSenderId;
      String get appId => _appId;
    }
lib/config
import 'config/config.dart';

final configurations = Configurations();
Future<void> init() async {
        await Firebase.initializeApp(
            options: FirebaseOptions(
                apiKey: configurations.apiKey,
                appId: configurations.appId,
                messagingSenderId: configurations.messagingSenderId,
                projectId: configurations.projectId));
-----------------------
 class Configurations {
      static const _apiKey = "Your values";
      static const _authDomain = "Your values";
      static const _projectId = "Your values";
      static const _storageBucket = "Your values"
      static const _messagingSenderId ="Your values"
      static const _appId = "Your values"
    
//Make some getter functions
      String get apiKey => _apiKey;
      String get authDomain => _authDomain;
      String get projectId => _projectId;
      String get storageBucket => _storageBucket;
      String get messagingSenderId => _messagingSenderId;
      String get appId => _appId;
    }
lib/config
import 'config/config.dart';

final configurations = Configurations();
Future<void> init() async {
        await Firebase.initializeApp(
            options: FirebaseOptions(
                apiKey: configurations.apiKey,
                appId: configurations.appId,
                messagingSenderId: configurations.messagingSenderId,
                projectId: configurations.projectId));
-----------------------
 class Configurations {
      static const _apiKey = "Your values";
      static const _authDomain = "Your values";
      static const _projectId = "Your values";
      static const _storageBucket = "Your values"
      static const _messagingSenderId ="Your values"
      static const _appId = "Your values"
    
//Make some getter functions
      String get apiKey => _apiKey;
      String get authDomain => _authDomain;
      String get projectId => _projectId;
      String get storageBucket => _storageBucket;
      String get messagingSenderId => _messagingSenderId;
      String get appId => _appId;
    }
lib/config
import 'config/config.dart';

final configurations = Configurations();
Future<void> init() async {
        await Firebase.initializeApp(
            options: FirebaseOptions(
                apiKey: configurations.apiKey,
                appId: configurations.appId,
                messagingSenderId: configurations.messagingSenderId,
                projectId: configurations.projectId));

Community Discussions

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QUESTION

Javascript dynamically inserted later on: how to make it run?

Asked 2022-Apr-17 at 14:12

I have scripts In my React app that are inserted dynamically later on. The scripts don't load.

In my database there is a field called content, which contains data that includes html and javascript. There are many records and each record can include multiple scripts in the content field. So it's not really an option to statically specify each of the script-urls in my React app. The field for a record could for example look like:

<p>Some text and html</p>
<div id="xxx_hype_container">
    <script type="text/javascript" charset="utf-8" src="https://example.com/uploads/hype_generated_script.js?499892"></script>
</div>
<div style="display: none;" aria-hidden="true"> 
<div>Some text.</div> 
Etc…

I call on this field in my React app using dangerouslySetInnerHTML:

render() {
    return (
        <div data-page="clarifies">
            <div className="container">
                <div dangerouslySetInnerHTML={{ __html: post.content }} />
                ... some other data
            </div>
        </div>
    );
}

It correctly loads the data from the database and displays the html from that data. However, the Javascript does not get executed. I think the script doesn't work because it is dynamically inserted later on. How can I make these scripts work/run?

This post suggest a solution for dynamically inserted scripts, but I don't think I can apply this solution because in my case the script/code is inserted from a database (so how to then use nodeScriptReplace on the code...?). Any suggestions how I might make my scripts work?


Update in response to @lissettdm their answer:

constructor(props) {
    this.ref = React.createRef();
}

componentDidUpdate(prevProps, prevState) {
    if (prevProps.postData !== this.props.postData) {
        this.setState({
            loading: false,
            post: this.props.postData.data,
            //etc
        });
        setTimeout(() => parseElements());

        console.log(this.props.postData.data.content);
        // returns html string like: `<div id="hype_container" style="margin: auto; etc.`
        const node = document.createRange().createContextualFragment(this.props.postData.data.content);
        console.log(JSON.stringify(this.ref));
        // returns {"current":null}
        console.log(node);
        // returns [object DocumentFragment]
        this.ref.current.appendChild(node);
        // produces error "Cannot read properties of null"
    }
}

render() {
    const { history } = this.props;
    /etc.
    return (
        {loading ? (
            some code
        ) : (
            <div data-page="clarifies">
                <div className="container">
                    <div ref={this.ref}></div>
                    ... some other data
                </div>
            </div>
        );
    );
}

The this.ref.current.appendChild(node); line produces the error:

TypeError: Cannot read properties of null (reading 'appendChild')

ANSWER

Answered 2022-Apr-14 at 19:05

Rendering raw HTML without React recommended method is not a good practice. React recommends method dangerouslySetInnerHTML to render raw HTML.

Source https://stackoverflow.com/questions/71876427

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

Vulnerabilities

No vulnerabilities reported

Install javascript

You can install using 'npm i eslint-config-wesm87' or download it from GitHub, npm.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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