从零开始在NPM上发布一个Vue组件的方法步骤

# 如果喜欢npm
npm i -g @vue/cli

# 如果喜欢yarn
yarn global add @vue/cli

vue create my-banner

cd my-banner

├── README.md
├── babel.config.js
├── node_modules
├── package.json
├── public
│  ├── favicon.ico
│  └── index.html
├── src
│  ├── App.vue
│  ├── assets
│  ├── components
│  └── main.js
└── yarn.lock

yarn serve

<!-- src/components/Banner.vue -->

<template>
 <div class="banner" :style="bannerStyles" :class="`banner__${position}`">
  <slot></slot>
 </div>
</template>
<script>
const defaultStyles = {
 left: 0,
 right: 0,
};
export default {
 props: {
  position: {
   type: String,
   default: 'top',
   validator(position) {
    return ['top', 'bottom'].indexOf(position) > -1;
   },
  },
  styles: {
   type: Object,
   default: () => ({}),
  },
 },
 data() {
  return {
   bannerStyles: {
    ...defaultStyles,
    ...this.styles,
   },
  };
 },
};
</script>
<style lang="scss" scoped>
.banner {
 padding: 12px;
 background-color: #fcf6cd;
 color: #f6a623;
 text-align: left;
 position: fixed;
 z-index: 2;
}
.banner__top {
 top: 0;
}
.banner__bottom {
 bottom: 0;
}
</style>

// src/components/index.js

import Vue from "vue";
import Banner from "./Banner.vue";

const Components = {
  Banner
};

Object.keys(Components).forEach(name => {
  Vue.component(name, Components[name]);
});

export default Components;

<!-- src/components/HelloWorld.vue -->

<template>
 <div class="hello">
  <!-- 下面插入了我们刚刚编写的Banner组件 -->
  <Banner>This is a banner!</Banner>
  <h1>{{ msg }}</h1>
  <p>
   For a guide and recipes on how to configure / customize this project,<br>
   check out the
   <a href="https://cli.vuejs.org" rel="external nofollow" target="_blank" rel="noopener">vue-cli documentation</a>.
  </p>
  <!-- 省略部分内容 -->
 </div>
</template>

<script>
  <!-- 省略有关内容 -->
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
  <!-- 省略有关内容 -->
</style>

// src/main.js

import Vue from 'vue';
import App from './App.vue';

// 引用我们的自定义组件
import "./components";

Vue.config.productionTip = false;

new Vue({
  render: h => h(App),
}).$mount('#app');

yarn add sass-loader node-sass -D

yarn serve

{
 "scripts": {
   "package": "vue-cli-service build --target lib --name my-banner ./src/components/index.js"
 }
}

├── demo.html
├── my-banner.common.js
├── my-banner.common.js.map
├── my-banner.css
├── my-banner.umd.js
├── my-banner.umd.js.map
├── my-banner.umd.min.js
└── my-banner.umd.min.js.map

{
 "main": "./dist/my-banner.common.js"
}

{
 "files": [
  "dist/*",
  "src/*",
  "public/*",
  "*.json",
  "*.js"
 ]
}

npm login

npm whoami

{
 "name": "@abc/my-banner"
}

npm publish --access public

yarn add @abc/my-banner