Agregue scripts JS externos a los componentes de VueJS

En este tutorial, aprenderemos cómo agregar scripts de JavaScript externos a los componentes de Vue.js con diferentes métodos. Para agregar scripts de JavaScript externos a los componentes de Vue.js, podemos agregar un elemento de script con  document.createElement.

Ejemplo: 

export default {
  //...
  mounted() {
    const recaptchaScript = document.createElement("script");
    recaptchaScript.setAttribute(
      "src",
      "https://www.google.com/recaptcha/api.js"
    );
    document.head.appendChild(recaptchaScript);
  },
  //...
};

Agregue una etiqueta de secuencia de comandos dentro de su plantilla de componente Vue.

Esta es la solución fácil que he encontrado. Simplemente agregue el script en la plantilla del componente. Pero no olvide agregar  type="application/javascript"  a la etiqueta del script; de lo contrario, se mostrará un error durante la compilación.

<script type="application/javascript" src="https://cdn.jsdelivr.net/vue.js"></script>

Sin embargo, si ha agregado  document.write()  en su etiqueta de secuencia de comandos, este método  no  funcionará. Y obtendrá un error como " Error al ejecutar 'escribir' en 'Documento': no ​​es posible escribir en un documento desde un script externo cargado de forma asíncrona a menos que se abra explícitamente".

Usando el módulo Vue-Meta

Vue-meta  es un módulo vue que puede instalar en su aplicación para agregar metadatos y secuencias de comandos al componente Vue. Esto facilita agregar cualquier etiqueta de secuencia de comandos a la etiqueta principal en componentes individuales de Vue.

Ejemplo de sintaxis:

export default {
  {
    metaInfo: {
      script: [
        { src: 'https://cdn.jsdelivr.net/vue.js', async: true, defer: true }
      ],
    }
  }
}

Usando un módulo vue-head

vue-head también es un módulo como vue-meta, al agregarlo a su aplicación Vue, podrá establecer metadatos en su etiqueta principal en sus páginas individuales.

Lea más sobre esto:  documentación de vue-head

Ejemplo de código:

export default { 
  head: {
      script: [
        { type: 'text/javascript', src: 'cdn/to/script.js', async: true, body: true}, // Insert in body
        // with shorthand
        { t: 'application/ld+json', i: '{ "@context": "http://schema.org" }' },
        // ...
      ],
    }
}  

Estas son algunas de las formas que lo ayudarán a agregar un script JS externo localmente en el componente Vue.

What is GEEK

Buddha Community

NBB: Ad-hoc CLJS Scripting on Node.js

Nbb

Not babashka. Node.js babashka!?

Ad-hoc CLJS scripting on Node.js.

Status

Experimental. Please report issues here.

Goals and features

Nbb's main goal is to make it easy to get started with ad hoc CLJS scripting on Node.js.

Additional goals and features are:

• Fast startup without relying on a custom version of Node.js.
• Small artifact (current size is around 1.2MB).
• First class macros.
• Support building small TUI apps using Reagent.
• Complement babashka with libraries from the Node.js ecosystem.

Requirements

Nbb requires Node.js v12 or newer.

How does this tool work?

CLJS code is evaluated through SCI, the same interpreter that powers babashka. Because SCI works with advanced compilation, the bundle size, especially when combined with other dependencies, is smaller than what you get with self-hosted CLJS. That makes startup faster. The trade-off is that execution is less performant and that only a subset of CLJS is available (e.g. no deftype, yet).

Usage

Install nbb from NPM:

$ npm install nbb -g

Omit -g for a local install.

Try out an expression:

$ nbb -e '(+ 1 2 3)'
6

And then install some other NPM libraries to use in the script. E.g.:

$ npm install csv-parse shelljs zx

Create a script which uses the NPM libraries:

(ns script
  (:require ["csv-parse/lib/sync$default" :as csv-parse]
            ["fs" :as fs]
            ["path" :as path]
            ["shelljs$default" :as sh]
            ["term-size$default" :as term-size]
            ["zx$default" :as zx]
            ["zx$fs" :as zxfs]
            [nbb.core :refer [*file*]]))

(prn (path/resolve "."))

(prn (term-size))

(println (count (str (fs/readFileSync *file*))))

(prn (sh/ls "."))

(prn (csv-parse "foo,bar"))

(prn (zxfs/existsSync *file*))

(zx/$ #js ["ls"])

Call the script:

$ nbb script.cljs
"/private/tmp/test-script"
#js {:columns 216, :rows 47}
510
#js ["node_modules" "package-lock.json" "package.json" "script.cljs"]
#js [#js ["foo" "bar"]]
true
$ ls
node_modules
package-lock.json
package.json
script.cljs

Macros

Nbb has first class support for macros: you can define them right inside your .cljs file, like you are used to from JVM Clojure. Consider the plet macro to make working with promises more palatable:

(defmacro plet
  [bindings & body]
  (let [binding-pairs (reverse (partition 2 bindings))
        body (cons 'do body)]
    (reduce (fn [body [sym expr]]
              (let [expr (list '.resolve 'js/Promise expr)]
                (list '.then expr (list 'clojure.core/fn (vector sym)
                                        body))))
            body
            binding-pairs)))

Using this macro we can look async code more like sync code. Consider this puppeteer example:

(-> (.launch puppeteer)
      (.then (fn [browser]
               (-> (.newPage browser)
                   (.then (fn [page]
                            (-> (.goto page "https://clojure.org")
                                (.then #(.screenshot page #js{:path "screenshot.png"}))
                                (.catch #(js/console.log %))
                                (.then #(.close browser)))))))))

Using plet this becomes:

(plet [browser (.launch puppeteer)
       page (.newPage browser)
       _ (.goto page "https://clojure.org")
       _ (-> (.screenshot page #js{:path "screenshot.png"})
             (.catch #(js/console.log %)))]
      (.close browser))

See the puppeteer example for the full code.

Since v0.0.36, nbb includes promesa which is a library to deal with promises. The above plet macro is similar to promesa.core/let.

Startup time

$ time nbb -e '(+ 1 2 3)'
6
nbb -e '(+ 1 2 3)'   0.17s  user 0.02s system 109% cpu 0.168 total

The baseline startup time for a script is about 170ms seconds on my laptop. When invoked via npx this adds another 300ms or so, so for faster startup, either use a globally installed nbb or use $(npm bin)/nbb script.cljs to bypass npx.

Dependencies

NPM dependencies

Nbb does not depend on any NPM dependencies. All NPM libraries loaded by a script are resolved relative to that script. When using the Reagent module, React is resolved in the same way as any other NPM library.

Classpath

To load .cljs files from local paths or dependencies, you can use the --classpath argument. The current dir is added to the classpath automatically. So if there is a file foo/bar.cljs relative to your current dir, then you can load it via (:require [foo.bar :as fb]). Note that nbb uses the same naming conventions for namespaces and directories as other Clojure tools: foo-bar in the namespace name becomes foo_bar in the directory name.

To load dependencies from the Clojure ecosystem, you can use the Clojure CLI or babashka to download them and produce a classpath:

$ classpath="$(clojure -A:nbb -Spath -Sdeps '{:aliases {:nbb {:replace-deps {com.github.seancorfield/honeysql {:git/tag "v2.0.0-rc5" :git/sha "01c3a55"}}}}}')"

and then feed it to the --classpath argument:

$ nbb --classpath "$classpath" -e "(require '[honey.sql :as sql]) (sql/format {:select :foo :from :bar :where [:= :baz 2]})"
["SELECT foo FROM bar WHERE baz = ?" 2]

Currently nbb only reads from directories, not jar files, so you are encouraged to use git libs. Support for .jar files will be added later.

Current file

The name of the file that is currently being executed is available via nbb.core/*file* or on the metadata of vars:

(ns foo
  (:require [nbb.core :refer [*file*]]))

(prn *file*) ;; "/private/tmp/foo.cljs"

(defn f [])
(prn (:file (meta #'f))) ;; "/private/tmp/foo.cljs"

Reagent

Nbb includes reagent.core which will be lazily loaded when required. You can use this together with ink to create a TUI application:

$ npm install ink

ink-demo.cljs:

(ns ink-demo
  (:require ["ink" :refer [render Text]]
            [reagent.core :as r]))

(defonce state (r/atom 0))

(doseq [n (range 1 11)]
  (js/setTimeout #(swap! state inc) (* n 500)))

(defn hello []
  [:> Text {:color "green"} "Hello, world! " @state])

(render (r/as-element [hello]))

Promesa

Working with callbacks and promises can become tedious. Since nbb v0.0.36 the promesa.core namespace is included with the let and do! macros. An example:

(ns prom
  (:require [promesa.core :as p]))

(defn sleep [ms]
  (js/Promise.
   (fn [resolve _]
     (js/setTimeout resolve ms))))

(defn do-stuff
  []
  (p/do!
   (println "Doing stuff which takes a while")
   (sleep 1000)
   1))

(p/let [a (do-stuff)
        b (inc a)
        c (do-stuff)
        d (+ b c)]
  (prn d))

$ nbb prom.cljs
Doing stuff which takes a while
Doing stuff which takes a while
3

Also see API docs.

Js-interop

Since nbb v0.0.75 applied-science/js-interop is available:

(ns example
  (:require [applied-science.js-interop :as j]))

(def o (j/lit {:a 1 :b 2 :c {:d 1}}))

(prn (j/select-keys o [:a :b])) ;; #js {:a 1, :b 2}
(prn (j/get-in o [:c :d])) ;; 1

Most of this library is supported in nbb, except the following:

• destructuring using :syms
• property access using .-x notation. In nbb, you must use keywords.

See the example of what is currently supported.

Examples

See the examples directory for small examples.

Also check out these projects built with nbb:

• c64core: retrocompute aesthetics twitter bot
• gallery.cljs: script to download walpapers from windowsonearth.org.
• nbb-action-example: example of a Github action built with nbb.

API

See API documentation.

Migrating to shadow-cljs

See this gist on how to convert an nbb script or project to shadow-cljs.

Build

Prequisites:

• babashka >= 0.4.0
• Clojure CLI >= 1.10.3.933
• Node.js 16.5.0 (lower version may work, but this is the one I used to build)

To build:

• Clone and cd into this repo
• bb release

Run bb tasks for more project-related tasks.

Download Details:
Author: borkdude
Download Link: Download The Source Code
Official Website: https://github.com/borkdude/nbb 
License: EPL-1.0

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Bitcoin Exchange script | Cryptocurrency Exchange Script | Free Live Demo @ Coinsclone

Hey peeps, Hope you all are safe & going well

Many entrepreneurs & startups are interested to start a crypto exchange platform by using a cryptocurrency exchange script, you know why??? Let me explain. Before that, you need to know what is a cryptocurrency exchange script???

What is Cryptocurrency Exchange Script???

Cryptocurrency Exchange Script is an upgrade version of all exchange platforms, it is also called ready-made script or software. By using the crypto exchange script you can launch your crypto trading platform instantly. It is one of the easiest and fastest ways to start your crypto exchange business. Also, it helps to launch your exchange platform within 7 days.

Benefits of Bitcoin Exchange Script:

• Customizing options - They will help you to build your cryptocurrency exchange platform based on your business needs.
• Monitor and Engage - You can easily monitor the work process
• Beta module - You can test your exchange in the Beta module
• Cost-effective - The development will be around $8k - $15k (It may be vary based on the requirement)
• Time-Period - You can launch your exchange within 1 week

Best Trading & Security Features of Bitcoin Exchange Script:

• Multi-language
• IEO launchpad,
• Crypto wallet,
• Instant buying/selling cryptocurrencies
• Staking and lending
• Live trading charts with margin trading API and futures 125x trading
• Stop limit order and stop-loss orders
• Limit maker orders
• Multi-cryptocurrencies Support
• Referral options
• Admin panel
• Perpetual swaps
• Advanced UI/UX
• Security Features [HTTPs authentication, Biometric authentication, Jail login, Data encryption, Two-factor authentication, SQL injection prevention, Anti Denial of Service(DoS), Cross-Site Request Forgery(CSRF) protection, Server-Side Request Forgery(SSRF) protection, Escrow services, Anti Distributed Denial of Service]

The More Important one is “Where to get the best bitcoin exchange script?”

Where to get the best bitcoin exchange script?

No one couldn’t answer the question directly because a lot of software/script providers are available in the crypto market. Among them, finding the best script provider is not an easy task. You don’t worry about that. I will help you. I did some technical inspection to find the best bitcoin exchange script provider in the techie world. Speaking of which, one software provider, Coinsclone got my attention. They have successfully delivered 100+ secured bitcoin exchanges, wallets & payment gateways to their global clients. No doubt that their exchange software is 100% bug-free and it is tightly secured. They consider customer satisfaction as their priority and they are always ready to customize your exchange based on your desired business needs.

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HYIP Investment Script: Twisted It with Crowdfunding & Lending Platform - Benefits Of It!

Are you wanting to be an Entrepreneur? A Business using cryptocurrency? Then this article is for you.

As a beginner, always one prefers fair play. But to the least, initiating business in the streams of cryptocurrency carries a varying degree of risks. We all know that, Every business packs the profit only if we are ready to take risks. But flabbergast is, you can avoid unnecessary risk, If you choose our Twisted HYIP Investment script. You don’t need to play poker with your hard-earned Money.

Using minimal investment, You can start a beneficial business.

Craze for cryptocurrency is now seeming to be unlimited, Using the Twisted HYIP platform you will get funds for running the lending business- this is the one line of the process.

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You can create a number of investment plans with attractive and promising Rate of interest. Investors will invest in those plans and get their interest periodically.

How you will provide them interest? You have to collect the investments and use them for your own project, Trading, Stock marketing and so on.

What if you don’t find a right platform to grow your investor’s funds. You will lack in processing their interest, and it will be filthy, right?

How it works?

So this Twisted HYIP platform clear this shady cloud and brings you the best place to grow your investors’ funds. With our platform you can run Investment as well as lending platform together. You will run a traditional HYIP script for your investors stating the fixed Rate of interest with validity for processing their principle back.

Instead of using the crowded funds in different platform, You can use it for lending to borrowers in your platform at an interest rate higher than promised to your investors. Now you can pay back the investors as well as you will get a constant flow of income for you.

Instead of generating promised interest rate daily or monthly, You can also make it as a doubler with long term duration. So you can use the investors fund as well as lenders repay again and again.

Every investor can monitor their investment growth in their dashboard. They will get back their invested amount plus additional ROI only when their investment gets matures. But they can see, how their wallet is loaded with profits without any risk.

Possibility of being a Profitable business

1. Cryptocurrencies are now obligatory assets. We can predict it as future currency, which sweep away the paper currency. An anxiousness to earn more Cryptocurrency with minimal investment, attracts more people.
2. Everyone will have a dream to achieve. They will be loaded with talents, but lack of funds. You can be a lender with handsome interest.
3. Not only for Cryptos, You can use the same script for fiats and live ERC20 tokens. So there are many doors to knock. If one shuts you kick the other.
4. You can use a single script as Stacking for Erc20, HYIP with promised returns, lending with an affordable rate of interest and also as a Doubler.

Crucial bits of Twisted HYIP

• Easy to Navigate and Highly informative Admin dashboard
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• Multiple cryptocurrency supportable payment methods
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