npm install vue-prism-editor

npm install prismjs

import { PrismEditor } from "vue-prism-editor";
import "vue-prism-editor/dist/prismeditor.min.css"; // import the styles somewhere

// import highlighting library (you can use any library you want just return html string)
import { highlight, languages } from "prismjs/components/prism-core";
import "prismjs/components/prism-clike";
import "prismjs/components/prism-javascript";
import "prismjs/themes/prism-tomorrow.css"; // import syntax highlighting styles

<prism-editor
 class="my-editor height-300"
 v-model="code"
 :highlight="highlighter"
 :line-numbers="lineNumbers"
></prism-editor>

export default {
 components: {
 PrismEditor
 },
 data: () => ({
 code: 'console.log("Hello World")',
 lineNumbers: true, // true为编辑模式， false只展示不可编辑
 }),
 methods: {
 highlighter(code) {
 return highlight(code, languages.js); //returns html
 }
 }
};

<style lang="scss">
/* required class */
.my-editor {
 background: #2d2d2d;
 color: #ccc;

 font-family: Fira code, Fira Mono, Consolas, Menlo, Courier, monospace;
 font-size: 14px;
 line-height: 1.5;
 padding: 5px;
}

/* optional */
.prism-editor__textarea:focus {
 outline: none;
}

/* not required: */
.height-300 {
 height: 300px;
}
</style>

npm install ajv@^6.9.1
npm install vue@^2.6.11

npm uninstall vue-template-compiler

npm install vue-template-compiler@2.6.11