import { CodeRenderer } from 'js-code-renderer';

let renderBtn = document.querySelector('#render'); 
let codeArea = document.querySelector('#code');
let codeSnipet = document.querySelector('#code-snipet');
let ul = null; 

renderBtn.addEventListener('click', function() {
    if (ul) {
        ul.parentNode.removeChild(ul);
        ul = null;
    }
    doRender(codeArea.value) 
})

//展示
function doRender(code) {
    if (!code) return;

    // renderResult 为一个二元数组
    let renderResult = new CodeRenderer(code).render();
    ul = document.createElement('ul');

    renderResult.forEach(nodeRow => {
        let li = document.createElement('li');
        nodeRow.forEach(node => {
            let span = document.createElement('span');
            span.innerHTML = node.text.replace(/ /g, '&nbsp;');// 转换空格符
            if (node.style) {
                span.style.color = node.style.color;
            }
            li.appendChild(span)
        });
        ul.appendChild(li)
    }); 

    codeSnipet.appendChild(ul)
}

index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        ul {
            list-style: none;
        }
        li {
            height: 22px;
            line-height: 22px;
        }
        #code-snipet {
            background-color: #1e1e1e;
            font-family: Consolas, 'Courier New', monospace;/*使用等宽字体*/
            color: #d4d4d4;
        }
    </style>
</head>
<body>
    <div class="js-code-renderer-demo">
        <h1>把代码粘贴到该输入框</h1>
        <textarea  id="code"></textarea>
        <button id="render">渲染</button>
        <div id="code-snipet">
            <ul></ul>
        </div>
    </div>
</body>
</html>

##demo代码地址 https://github.com/nicholasking900816/js-code-renderer-demo

Keywords

javascript

typescript

beautify-js-code

FAQs

What is js-code-renderer?

Is js-code-renderer well maintained?

Package last updated on 05 Jul 2022

Did you know?

Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.

Install

js-code-renderer

js-code-renderer

快速开始

1. install

2. 使用

index.js

index.html

Keywords

Related posts

AI Agent Submits PR to Matplotlib, Publishes Angry Blog Post After Rejection

High-Severity RCE Vulnerability Disclosed in next-mdx-remote