fix(style): added copied success message for clipboard icon

src/core/components/copy-to-clipboard-btn.jsx

@@ -8,16 +8,34 @@ import PropTypes from "prop-types"
  * @constructor
  */
 export default class CopyToClipboardBtn extends React.Component {
+  constructor(props) {
+    super(props)
+    this.state = { copied: false }
+    this.timerRef = null
+  }
+
+  handleCopy = () => {
+    this.setState({ copied: true })
+    if (this.timerRef) clearTimeout(this.timerRef)
+    this.timerRef = setTimeout(() => this.setState({ copied: false }), 1500)
+  }
+
+  componentWillUnmount() {
+    if (this.timerRef) clearTimeout(this.timerRef)
+  }
+
   render() {
     let { getComponent } = this.props
+    const { copied } = this.state
 
     const CopyIcon = getComponent("CopyIcon")
 
     return (
       <div className="view-line-link copy-to-clipboard" title="Copy to clipboard">
-        <CopyToClipboard text={this.props.textToCopy}>
+        <CopyToClipboard text={this.props.textToCopy} onCopy={this.handleCopy}>
           <CopyIcon />
         </CopyToClipboard>
+        {copied && <span className="copy-to-clipboard__toast">Copied!</span>}
       </div>
     )
   }

src/core/components/curl.jsx

@@ -9,16 +9,34 @@ export default class Curl extends React.Component {
     request: PropTypes.object.isRequired
   }
 
+  constructor(props) {
+    super(props)
+    this.state = { copied: false }
+    this.timerRef = null
+  }
+
+  handleCopy = () => {
+    this.setState({ copied: true })
+    if (this.timerRef) clearTimeout(this.timerRef)
+    this.timerRef = setTimeout(() => this.setState({ copied: false }), 1500)
+  }
+
+  componentWillUnmount() {
+    if (this.timerRef) clearTimeout(this.timerRef)
+  }
+
   render() {
     const { request, getComponent } = this.props
+    const { copied } = this.state
     const curl = requestSnippetGenerator_curl_bash(request)
     const SyntaxHighlighter = getComponent("SyntaxHighlighter", true)
 
     return (
       <div className="curl-command">
         <h4>Curl</h4>
         <div className="copy-to-clipboard">
-            <CopyToClipboard text={curl}><button/></CopyToClipboard>
+            <CopyToClipboard text={curl} onCopy={this.handleCopy}><button/></CopyToClipboard>
+            {copied && <span className="copy-to-clipboard__toast">Copied!</span>}
         </div>
         <div>
           <SyntaxHighlighter

src/core/plugins/request-snippets/request-snippets.jsx

@@ -1,4 +1,4 @@
-import React, { useRef, useEffect, useState } from "react"
+import React, { useRef, useEffect, useState, useCallback } from "react"
 import classNames from "classnames"
 import PropTypes from "prop-types"
 import { CopyToClipboard } from "react-copy-to-clipboard"
@@ -42,6 +42,14 @@ const RequestSnippets = ({ request, requestSnippetsSelectors, getComponent }) =>
 
   const [activeLanguage, setActiveLanguage] = useState(requestSnippetsSelectors.getSnippetGenerators()?.keySeq().first())
   const [isExpanded, setIsExpanded] = useState(requestSnippetsSelectors?.getDefaultExpanded())
+  const [copied, setCopied] = useState(false)
+  const copyTimerRef = useRef(null)
+
+  const handleCopy = useCallback(() => {
+    setCopied(true)
+    if (copyTimerRef.current) clearTimeout(copyTimerRef.current)
+    copyTimerRef.current = setTimeout(() => setCopied(false), 1500)
+  }, [])
 
   const snippetGenerators = requestSnippetsSelectors.getSnippetGenerators()
   const activeGenerator = snippetGenerators.get(activeLanguage)
@@ -132,9 +140,10 @@ const RequestSnippets = ({ request, requestSnippetsSelectors, getComponent }) =>
             }
           </div>
           <div className="copy-to-clipboard">
-            <CopyToClipboard text={snippet}>
+            <CopyToClipboard text={snippet} onCopy={handleCopy}>
               <button />
             </CopyToClipboard>
+            {copied && <span className="copy-to-clipboard__toast">Copied!</span>}
           </div>
           <div>
             <SyntaxHighlighter

src/core/plugins/syntax-highlighting/components/HighlightCode.jsx

@@ -1,7 +1,7 @@
 /**
  * @prettier
  */
-import React, { useRef, useEffect } from "react"
+import React, { useRef, useEffect, useState, useCallback } from "react"
 import PropTypes from "prop-types"
 import classNames from "classnames"
 import saveAs from "js-file-download"
@@ -17,6 +17,14 @@ const HighlightCode = ({
   children,
 }) => {
   const rootRef = useRef(null)
+  const [copied, setCopied] = useState(false)
+  const copyTimerRef = useRef(null)
+
+  const handleCopy = useCallback(() => {
+    setCopied(true)
+    if (copyTimerRef.current) clearTimeout(copyTimerRef.current)
+    copyTimerRef.current = setTimeout(() => setCopied(false), 1500)
+  }, [])
   const SyntaxHighlighter = getComponent("SyntaxHighlighter", true)
 
   const handleDownload = () => {
@@ -69,9 +77,10 @@ const HighlightCode = ({
     <div className="highlight-code" ref={rootRef}>
       {canCopy && (
         <div className="copy-to-clipboard">
-          <CopyToClipboard text={children}>
+          <CopyToClipboard text={children} onCopy={handleCopy}>
             <button />
           </CopyToClipboard>
+          {copied && <span className="copy-to-clipboard__toast">Copied!</span>}
         </div>
       )}
 

src/style/_buttons.scss

@@ -174,6 +174,34 @@ button {
   background: #5e626f;
 }
 
+.copy-to-clipboard__toast {
+  position: absolute;
+  right: calc(100% + 8px);
+  top: 50%;
+  transform: translateY(-50%);
+  background: #333;
+  color: #fff;
+  font-size: 11px;
+  font-family: sans-serif;
+  line-height: 1;
+  padding: 4px 8px;
+  border-radius: 4px;
+  white-space: nowrap;
+  pointer-events: none;
+  animation: copy-toast-fade-in 0.15s ease-out;
+}
+
+@keyframes copy-toast-fade-in {
+  from {
+    opacity: 0;
+    transform: translateY(-50%) translateX(4px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(-50%) translateX(0);
+  }
+}
+
 .opblock-control-arrow {
   border: none;
   text-align: center;