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Eno and Omi Snippets

Try it Now! Visual Studio Code syntax highlighting for single-file Omi.js components (enabled by omil). Or Download Vsix! to install in Visual Studio Code

下载地址 & Download: https://marketplace.visualstudio.com/items?itemName=Wscats.eno

项目地址 & Source Code : https://github.com/Wscats/omi-snippets

Detailed Documentation

详细文档 & Document: https://github.com/Wscats/omi-docs


Eno Yao

Aaron Xie

DK Lan


Li Ting





Tian Fly

Quick Start

  • Install Omi Snippets.
  • Try it with omil, a Omi.js components loader based on webpack.
  • Via Marketplace Control: search for Omi Snippets and click install.
  • Manual: clone this repo and install omi-snippets.vsix into your Visual Studio Code.

In addition, if you want to build and install the extension from source, you need to install vsce, like this.

# Then, clone the repository and compile it.
git clone https://github.com/Wscats/omi-snippets
cd omi-snippets
vsce package


This will setup a basic webpack + omil project for you, with *.omi or *.eno files and hot-reloading working out of the box!

For example, you can create test.omi in Visual Studio Code before install Omi Snippets

<!-- test.omi -->
<template name="component-name">
import style from './style.css';
export default class {
    static css = style
        this.data = {
            name: 'Eno Yao',
<style lang="scss">
    div{ color:red; }

After you save the code in editor(Ctrl+S), it will be converted into test.js

// test.js
import { WeElement, define, h } from "omi";
import style from "./style.css";
const componentName = class extends WeElement {
  render() { return h("div", null, this.data.name); }
  static css =
    `div{color:red;}` + style;
  install() {
    this.data = { name: "Eno Yao" };
define("component-name", componentName);

Usage In Omi

A *.omi file is a custom file format that uses HTML-like syntax to describe a Omi component. Each *.omi file consists of three types of top-level language blocks: <template>, <script>, and <style>, and optionally additional custom blocks:

<template lang="html" name="component-name">
  <!-- replace render function -->
  <header onClick="${this.test}">${this.data.title}</header>
import style from './_oHeader.css'
export default class {
  static css = style + `p{color:red}` // it will combine scoped css,only support static css = xxx
  test(){ console.log('Hello Eno!') }
  install() {
    this.data = { title: 'Omi' }
/* scoped css */
header {
  height: 50px;
  background-color: #07c160;
  color: white;
  text-align: center;
  line-height: 50px;
  width: 100%;

Single-File Components Demo

It also supports JSX, if you want to do that, you only write <template> without lang="html" attribute in your component like this:

  <header onClick={this.test}>{this.data.title}</header>

JSX Demo

omil supports using non-default languages, such as CSS pre-processors and compile-to-HTML template languages, by specifying the lang attribute for a language block. For example, you install node-sass after you can use Sass for the style of your component like this:

<style lang="scss">
$height: 50px;
$color: #07c160;
header {
  height: $height;
  background-color: $color;

Sass Demo

Support React

npm install styled-components --save

You can also use an ES6 class to define a class component by omil.

<template name="ComponentName">
    export default class {
        constructor(props) {
            this.state.title = "Eno Yao"
<style lang="scss">
    p {color: #58bc58;}

React Demo

A higher-order component (HOC) is an advanced technique in React for reusing component logic. HOCs are not part of the React API. Here's a concrete example.

<template name="ComponentName">
    const HOC = (props) => {
        return (WraooedComponent) => {
            return class HOC extends WeElement {
                state = {
                    name: 'Eno Yao',
                render() {
                    return (
                        <div>Hello World<WraooedComponent name={{ ...this.state }} /></div>
    export default HOC({
        age: 18
    })(class {
        constructor(props) {
            this.state = { title: 'Lemon' }
        componentDidMount() { console.log(this) }
        handleChange() {}
<style lang="scss">
    p { color: #58bc58; }

Cooperate With TypeScript

A static type system can help prevent many potential runtime errors, especially as applications grow. You can use Single File Components(SFC) cooperate with Higher Order Components(HOC) to get support with TypeScript

<template name="Eno">
    // TypeScript Support
    import EnoType from './EnoType.tsx'
    export default EnoType(class {
        constructor(props) {
            this.state = { name: 'abc', age: 18}
<style lang="scss">
    p { color: #58bc58; }

Now, you can create EnoType.tsx in editor which provides TypeScript inference inside SFCs and many other great features.

// EnoType.ts
import React from 'react';
interface EnoTypeProps { }
interface EnoTypeState { name: string }
export default (Component: React.ComponentType) => {
    return class EnoType extends React.Component<EnoTypeProps, EnoTypeState> {
        constructor(props: EnoTypeProps) {
            this.state = { name: 'Eno Yao' }
        render() { return <Component /> }

React Demo

Typescript Demo

There are many cool features provided by omil:

  • Allows using other webpack loaders for each part of a Omi component, for example Sass for <style lang="scss"> and JSX/HTML for <template lang="html"> and ES5+ for <script type="text/babel">;
  • Allows custom blocks in a .omi or .eno file that can have custom loader chains applied to them Here Online Demo;
  • Treat static assets referenced in <style> and <template> as module dependencies and handle them with webpack loaders (Such as htm, to-string-loader);
  • Simulate scoped CSS for each component (Use Shadow DOM);
  • State-preserving hot-reloading during development.

In a nutshell, the combination of webpack and omil gives you a modern, flexible and extremely powerful front-end workflow for authoring Omi.js applications.

Code Snippets

trigger snippet
!omi/t-omi <template><script><style>
!react/t-react <template><script><style>
import import { * } from 'omi'
export default export default {}
modult.export" modult.export = {}
render render(){}
css css(){}
template <template></template>
templateLang <template lang></template>
script <script></script>
style <style></style>
styleLang <style lang></style>
scaffold/t <template><script><style>
... ...

NOTE: You still need to install corresponding packages for pre-processors (e.g. JSX, SASS, TypeScript) to get proper syntax highlighting for them.

Enabling JSX Highlighting

The <script> block uses the syntax highlighting currently active for you normal .js files. To support JSX highlighting inside Omi files, just set Babel javascript highlighting package, which supports JSX, as your default JS highlighting.

Note you may need to explicitly disable Sublime's default JavaScript package to make it work.



Omi Snippets is released under the MIT

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剑走偏锋!实现React单文件组件和Webpack局部编译的IDE插件,可能是最好的React SFCs方案 - Visual Studio Code Syntax highlighting for single-file React and Omi components 展开 收起