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https://github.com/CarterLi/vue3-ace-editor

Like vue2-ace-editor but more functional and supports Vue 3
https://github.com/CarterLi/vue3-ace-editor

Last synced: 3 months ago
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Like vue2-ace-editor but more functional and supports Vue 3

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vue3-ace-editor

====================



[![npm](https://img.shields.io/npm/v/vue3-ace-editor.svg)](https://www.npmjs.com/package/vue3-ace-editor)



A packaging of [ace](https://ace.c9.io/). Inspired by [vue2-ace-editor](https://github.com/chairuosen/vue2-ace-editor), but supports [Vue 3](https://github.com/vuejs/vue-next)



## Install



`ace-builds` must be installed alongside `vue3-ace-editor` using your favorite package manager.



* npm i vue3-ace-editor ace-builds

* yarn add vue3-ace-editor ace-builds

* pnpm i vue3-ace-editor ace-builds



## Usage



```vue



    import { ref } from 'vue';

    import { VAceEditor } from 'vue3-ace-editor';

    import 'ace-builds/src-noconflict/mode-json'; // Load the language definition file used below

    import 'ace-builds/src-noconflict/theme-chrome'; // Load the theme definition file used below



    const content = ref(JSON.stringify({ message: 'Hello Ace' }));



    



```



Property `v-model:value` is required. `` has no height by default. Its height must be specified manually, or set both `min-lines` and `max-lines` to make the editor's height auto-grow.



Property `lang`, `theme` is same as [ace-editor's doc](https://github.com/ajaxorg/ace)



## Load modes and themes (**REQUIRED**)



Using of `ace-builds/webpack-resolver` is removed due to bug https://github.com/CarterLi/vue3-ace-editor/issues/3. You **MUST** import `theme` and `mode` yourself. eg.



```js

// You MUST make sure that `ace-builds` or `vue3-ace-editor` (which imports `ace-builds` internally) is loaded before importing `mode` and `theme`

import 'ace-builds/src-noconflict/mode-json';

import 'ace-builds/src-noconflict/theme-chrome';

```



To use dynamic loading to avoid first-load overhead



```js

import ace from 'ace-builds';



import modeJsonUrl from 'ace-builds/src-noconflict/mode-json?url';

ace.config.setModuleUrl('ace/mode/json', modeJsonUrl);



import themeChromeUrl from 'ace-builds/src-noconflict/theme-chrome?url';

ace.config.setModuleUrl('ace/theme/chrome', themeChromeUrl);

```



Note that to make search box (`Ctrl+F` or `Command+F`) work, `ext-searchbox` must also be loaded.



```js

import extSearchboxUrl from 'ace-builds/src-noconflict/ext-searchbox?url';

ace.config.setModuleUrl('ace/ext/searchbox', extSearchboxUrl);

```



Find all supported themes and modes in `node_modules/ace-builds/src-noconflict`



## Deferences with [vue2-ace-editor](https://github.com/chairuosen/vue2-ace-editor)



1. This component uses [ace-builds](https://www.npmjs.com/package/ace-builds) directly, instead of the outdated wrapper [brace](https://www.npmjs.com/package/brace)

1. DOM size changes are detected automatically using [ResizeObserver](resize-observer-polyfill), thus no `width` / `height` props needed.

1. For easier usage, more props / events added / emitted.

    1. Prop `readonly`: This Boolean attribute indicates that the user cannot modify the value of the control.

    1. Prop `placeholder`: A hint to the user of what can be entered in the control.

    1. Prop `wrap`: Indicates whether the control wraps text.

    1. Prop `printMargin`: A short hand of `showPrintMargin` and `printMarginColumn`.

    1. Prop `minLines` and `maxLines`: Specifiy the minimum and maximum number of lines.

    1. All ace events emitted. Docs can be found here: 

    1. Some commonly used methods `focus`, `blur`, `selectAll` provided as shortcuts.



## Get raw ace instance



Use `getAceInstance`



```vue



    import { ref, onMounted } from 'vue';



    const aceRef = ref(null);



    onMounted(() => {

        console.log(aceRef.value.getAceInstance());

    })



    



```



`@init` is provided for `vue2-ace-editor` compatibility only but is not recommanded to use.



## Enable syntax checking



To enable syntax checking, module `ace/mode/lang_worker` must be registered, and option `useWorker: true` must be set.



Take JSON for example:



```ts

import workerJsonUrl from 'ace-builds/src-noconflict/worker-json?url'; // For vite



import workerJsonUrl from 'file-loader?esModule=false!ace-builds/src-noconflict/worker-json.js'; // For webpack / vue-cli



ace.config.setModuleUrl('ace/mode/json_worker', workerJsonUrl);

```



```html



```



See also https://github.com/CarterLi/vue3-ace-editor/issues/3#issuecomment-768190528 to load the worker file from CDN



## Minimal example using vite



* Preview: 

* Source: 



## Use it with Nuxt



Since ace doesn't support SSR, using it with Nuxt can be tricky. You must make sure that `ace` related things are loaded only at client side.



```vue



import { markRaw, onMounted, ref } from 'vue';



const VAceEditor = ref('div'); // Stores dynamic loaded component. Before `vue3-ace-editor` is loaded, a `div` is used as a placeholder

const content = ref(JSON.stringify({ platform: 'Nuxt', env: 'SSR' }, null, 2));



onMounted(async () => { // onMounted is a client-only lifecycle hook

  await import('ace-builds'); // To importing things in a function, dynamic import must be used

  await import('ace-builds/src-noconflict/mode-json');

  await import('ace-builds/src-noconflict/theme-chrome');

  VAceEditor.value = markRaw((await import('vue3-ace-editor')).VAceEditor);

});



  


    

    

  



```



Full example: 



## LICENSE



MIT