Component Party 中文版

import Component from "@glimmer/component";

export default class NameComponent extends Component {
  name = "张三";

  <template>
    <h1>你好 {{this.name}}</h1>
  </template>
}

<script>
export default {
  data() {
    return {
      name: "张三",
    };
  },
};
</script>

<template>
  <h1>你好 {{ name }}</h1>
</template>

import Component from "@glimmer/component";
import { tracked } from "@glimmer/tracking";

export default class CounterComponent extends Component {
  @tracked name = "张三";

  constructor(owner, args) {
    super(owner, args);

    this.name = "李四";
  }

  <template>
    <h1>你好 {{this.name}}</h1>
  </template>
}

<script>
export default {
  data() {
    return {
      name: "张三",
    };
  },
  created() {
    this.name = "李四";
  },
};
</script>

<template>
  <h1>你好 {{ name }}</h1>
</template>

import Component, { tracked } from "@glimmer/component";

export default class DoubleCount extends Component {
  @tracked count = 10;

  get doubleCount() {
    return this.count * 2;
  }

  <template>
    <div>{{this.doubleCount}}</div>
  </template>
}

<script>
export default {
  data() {
    return {
      count: 10,
    };
  },
  computed: {
    doubleCount() {
      return this.count * 2;
    },
  },
};
</script>

<template>
  <div>{{ doubleCount }}</div>
</template>

<template>
  <h1>你好，世界</h1>
</template>

<template>
  <h1>你好，世界</h1>
</template>

<template>
  <h1 class="title">我是红色的</h1>
  <button style="font-size: 10rem;">我是一个按钮</button>

  <style>
    .title {
      color: red;
    }
  </style>
</template>

<template>
  <div>
    <h1 class="title">我是红色的</h1>
    <button style="font-size: 10rem">我是一个按钮</button>
  </div>
</template>

<style scoped>
.title {
  color: red;
}
</style>

const colors = ["红", "绿", "蓝"];

<template>
  <ul>
    {{#each colors as |color|}}
      <li>{{color}}</li>
    {{/each}}
  </ul>
</template>

<script>
export default {
  data() {
    return {
      colors: ["红", "绿", "蓝"],
    };
  },
};
</script>

<template>
  <ul>
    <li v-for="color in colors" :key="color">
      {{ color }}
    </li>
  </ul>
</template>

import Component from "@glimmer/component";
import { tracked } from "@glimmer/tracking";

export default class Counter extends Component {
  @tracked count = 0;

  incrementCount = () => this.count++;

  <template>
    <p>计数器: {{this.count}}</p>
    <button {{on "click" this.incrementCount}}>+1</button>
  </template>
}

<script>
export default {
  data() {
    return {
      count: 0,
    };
  },
  methods: {
    incrementCount() {
      this.count++;
    },
  },
};
</script>

<template>
  <div>
    <p>计数器: {{ count }}</p>
    <button @click="incrementCount">+1</button>
  </div>
</template>

import { modifier } from "ember-modifier";

const autofocus = modifier((element) => element.focus());

<template>
  <input {{autofocus}} />
</template>

<script>
export default {
  mounted() {
    this.$refs.inputElement.focus();
  },
};
</script>

<template>
  <input ref="inputElement" />
</template>

import Component from "@glimmer/component";
import { tracked } from "@glimmer/tracking";

const TRAFFIC_LIGHTS = ["红灯", "黄灯", "绿灯"];

export default class TrafficLight extends Component {
  @tracked lightIndex = 0;

  get light() {
    return TRAFFIC_LIGHTS[this.lightIndex];
  }

  nextLight = () => {
    this.lightIndex = (this.lightIndex + 1) % TRAFFIC_LIGHTS.length;
  };

  <template>
    <button {{on "click" this.nextLight}}>下一个灯</button>
    <p>现在亮着的是: {{this.light}}</p>
    <p>
      你应该
      {{#if (eq this.light "红灯")}}
        停下
      {{else if (eq this.light "黄灯")}}
        慢行
      {{else if (eq this.light "绿灯")}}
        赶紧走
      {{/if}}
    </p>
  </template>
}

<script>
export default {
  data() {
    return {
      TRAFFIC_LIGHTS: ["红灯", "黄灯", "绿灯"],
      lightIndex: 0,
    };
  },
  computed: {
    light() {
      return this.TRAFFIC_LIGHTS[this.lightIndex];
    },
  },
  methods: {
    nextLight() {
      this.lightIndex = (this.lightIndex + 1) % this.TRAFFIC_LIGHTS.length;
    },
  },
};
</script>

<template>
  <div>
    <button @click="nextLight">下一个灯</button>
    <p>现在亮着的是: {{ light }}</p>
    <p>
      你应该
      <span v-if="light === '红灯'">停下</span>
      <span v-else-if="light === '黄灯'">慢行</span>
      <span v-else-if="light === '绿灯'">赶紧走</span>
    </p>
  </div>
</template>

const pageTitle = () => document.title;

<template>
  <p>页面标题: {{(pageTitle)}}</p>
</template>

<script>
export default {
  data() {
    return {
      pageTitle: "",
    };
  },
  mounted() {
    this.pageTitle = document.title;
  },
};
</script>

<template>
  <p>页面标题: {{ pageTitle }}</p>
</template>

import Component from "@glimmer/component";
import { tracked } from "@glimmer/tracking";
import { registerDestructor } from "@ember/destroyable";

export default class Time extends Component {
  @tracked time = new Date().toLocaleTimeString();

  constructor(owner, args) {
    super(owner, args);

    let timer = setInterval(() => {
      this.time = new Date().toLocaleTimeString();
    }, 1000);

    registerDestructor(this, () => clearInterval(timer));
  }

  <template>
    <p>当前时间: {{this.time}}</p>
  </template>
}

<script>
export default {
  data() {
    return {
      time: new Date().toLocaleTimeString(),
      timer: null,
    };
  },
  mounted() {
    this.timer = setInterval(() => {
      this.time = new Date().toLocaleTimeString();
    }, 1000);
  },
  beforeDestroy() {
    clearInterval(this.timer);
  },
};
</script>

<template>
  <p>当前时间: {{ time }}</p>
</template>

import UserProfile from "./user-profile.gjs";

const favoriteColors = ["green", "blue", "red"];

<template>
  <UserProfile
    @name="张三"
    @age={{20}}
    @favouriteColors={{favoriteColors}}
    @isAvailable={{true}}
  />
</template>

<script>
import UserProfile from "./UserProfile.vue";

export default {
  components: {
    UserProfile,
  },
};
</script>

<template>
  <UserProfile
    name="张三"
    :age="20"
    :favorite-colors="['green', 'blue', 'red']"
    is-available
  />
</template>

<template>
  <button {{on "click" @onYes}}> 是的！ </button>
  <button {{on "click" @onNo}}> 不是！ </button>
</template>

<script>
import AnswerButton from "./AnswerButton.vue";
export default {
  components: {
    AnswerButton,
  },
  data() {
    return {
      isHappy: true,
    };
  },
  methods: {
    onAnswerNo() {
      this.isHappy = false;
    },
    onAnswerYes() {
      this.isHappy = true;
    },
  },
};
</script>

<template>
  <div>
    <p>你快乐吗?</p>
    <AnswerButton @yes="onAnswerYes" @no="onAnswerNo" />
    <p style="font-size: 50px">
      {{ isHappy ? "😀" : "😥" }}
    </p>
  </div>
</template>

import FunnyButton from "./funny-button";

<template>
  <FunnyButton>点我!</FunnyButton>
</template>

<script>
import FunnyButton from "./FunnyButton.vue";
export default {
  components: {
    FunnyButton,
  },
};
</script>

<template>
  <FunnyButton> 点我! </FunnyButton>
</template>

import FunnyButton from "./funny-button";

<template>
  <FunnyButton />
  <FunnyButton>这是传到slot的内容!</FunnyButton>
</template>

<script>
import FunnyButton from "./FunnyButton.vue";
export default {
  components: {
    FunnyButton,
  },
};
</script>

<template>
  <div>
    <FunnyButton />
    <FunnyButton> 这是传到slot的内容! </FunnyButton>
  </div>
</template>

import UserProfile from "./user-profile";

<template>
    <UserProfile />
</template>

<script>
import UserProfile from "./UserProfile.vue";

export default {
  components: { UserProfile },
  provide() {
    return {
      user: Object.assign(this.user, {
        updateUsername: this.updateUsername,
      }),
    };
  },
  data() {
    return {
      user: {
        id: 1,
        username: "abcdefg",
        email: "[email protected]",
      },
    };
  },
  methods: {
    updateUsername(newUsername) {
      this.user.username = newUsername;
    },
  },
};
</script>

<template>
  <div>
    <h1>欢迎回来, {{ user.username }}</h1>
    <UserProfile />
  </div>
</template>

import Component from "@glimmer/component";
import { tracked } from "@glimmer/tracking";

export default class InputHello extends Component {
  @tracked text = "你好世界";

  handleInput = (event) => (this.text = event.target.value);

  <template>
    <p>{{this.text}}</p>
    <input value={{this.text}} {{on "input" this.handleInput}} />
  </template>
}

<script>
export default {
  data() {
    return {
      text: "你好世界",
    };
  },
};
</script>

<template>
  <div>
    <p>{{ text }}</p>
    <input v-model="text" />
  </div>
</template>

import Component from "@glimmer/component";
import { tracked } from "@glimmer/tracking";

export default class InputHello extends Component {
  @tracked isAvailable = false;

  handleChange = (event) => (this.isAvailable = event.target.checked);

  <template>
    <input
      id="is-available"
      type="checkbox"
      checked={{this.isAvailable}}
      {{on "change" this.handleChange}}
    />
    <label for="is-available">这是一个checkbox</label>
  </template>
}

<script>
export default {
  data() {
    return {
      isAvailable: true,
    };
  },
};
</script>

<template>
  <div>
    <input id="is-available" v-model="isAvailable" type="checkbox" />
    <label for="is-available">这是一个checkbox</label>
  </div>
</template>

import Component from "@glimmer/component";
import { tracked } from "@glimmer/tracking";

export default class PickPill extends Component {
  @tracked picked = "red";

  handleChange = (event) => (this.picked = event.target.value);

  <template>
    <div>你选择了: {{this.picked}}</div>

    <input
      id="blue-pill"
      type="radio"
      value="blue"
      checked={{eq this.picked "blue"}}
      {{on "change" this.handleChange}}
    />
    <label htmlFor="blue-pill">蓝色</label>

    <input
      id="red-pill"
      type="radio"
      value="red"
      checked={{eq this.picked "red"}}
      {{on "change" this.handleChange}}
    />
    <label htmlFor="red-pill">红色</label>
  </template>
}

<script>
export default {
  data() {
    return {
      picked: "red",
    };
  },
};
</script>

<template>
  <div>
    <div>你选择了: {{ picked }}</div>

    <input id="blue-pill" v-model="picked" type="radio" value="blue" />
    <label for="blue-pill">蓝色</label>

    <input id="red-pill" v-model="picked" type="radio" value="red" />
    <label for="red-pill">红色</label>
  </div>
</template>

import Component from "@glimmer/component";
import { tracked } from "@glimmer/tracking";

export default class ColorSelect extends Component {
  @tracked selectedColorId = 2;

  select = (event) => (this.selectedColorId = event.target.value);

  isSelected = (colorId) => this.selectedColorId === colorId;

  colors = [
    { id: 1, text: "红" },
    { id: 2, text: "蓝" },
    { id: 3, text: "绿" },
    { id: 4, text: "灰", isDisabled: true },
  ];

  <template>
    <select {{on "change" this.select}}>
      {{#each this.colors as |color|}}
        <option
          value={{color.id}}
          disabled={{color.isDisabled}}
          selected={{this.isSelected color.id}}
        >
          {{color.text}}
        </option>
      {{/each}}
    </select>
  </template>
}

<script>
export default {
  data() {
    return {
      selectedColorId: 2,
      colors: [
        { id: 1, text: "红" },
        { id: 2, text: "蓝" },
        { id: 3, text: "绿" },
        { id: 4, text: "灰", isDisabled: true },
      ],
    };
  },
};
</script>

<template>
  <select v-model="selectedColorId">
    <option
      v-for="color in colors"
      :key="color.id"
      :value="color.id"
      :disabled="color.isDisabled"
    >
      {{ color.text }}
    </option>
  </select>
</template>

<!doctype html>
<html>
  <body>
    <script type="module" src="./index.js"></script>
  </body>
</html>

<!doctype html>
<html>
  <body>
    <div id="app"></div>
    <script type="module" src="./main.js"></script>
  </body>
</html>

import Component from "@glimmer/component";
import { tracked } from "@glimmer/tracking";

class State {
  @tracked isLoading = false;
  @tracked error = null;
  @tracked data = null;
}

function fetchUsers() {
  let state = new State();
  
  async function fetchData() {
    try {
      let response = await fetch("https://randomuser.me/api/?results=3");
      let { results: users } = await response.json();
      state.data = users;
      state.error = null;
    } catch (err) {
      state.data = null;
      state.error = err;
    }
    state.isLoading = false;
  }
  
  fetchData();
  return state;
}

export default class App extends Component {
  <template>
    {{#let (this.fetchUsers) as |request|}}
      {{#if request.isLoading}}
        <p>正在获取用户信息……</p>
      {{else if request.error}}
        <p>获取用户信息出错</p>
      {{else}}
        <ul>
          {{#each request.data as |user|}}
            <li>
              <img src={{user.picture.thumbnail}} alt="user" />
              <p>{{user.name.first}} {{user.name.last}}</p>
            </li>
          {{/each}}
        </ul>
      {{/if}}
    {{/let}}
  </template>
}

<script>
export default {
  data() {
    return {
      isLoading: false,
      error: undefined,
      users: undefined,
    };
  },
  mounted() {
    this.fetchData();
  },
  methods: {
    async fetchData() {
      this.isLoading = true;
      try {
        const response = await fetch("https://randomuser.me/api/?results=3");
        const { results: users } = await response.json();
        this.users = users;
        this.error = undefined;
      } catch (error) {
        this.error = error;
      } finally {
        this.users = undefined;
        this.isLoading = false;
      }
    },
  },
};
</script>

<template>
  <p v-if="isLoading">正在获取用户信息……</p>
  <p v-else-if="error">获取用户信息出错</p>
  <ul v-else-if="users">
    <li v-for="user in users" :key="user.login.uuid">
      <img :src="user.picture.thumbnail" alt="user" />
      <p>
        {{ user.name.first }}
        {{ user.name.last }}
      </p>
    </li>
  </ul>
</template>