## アヴァンツァーレ横浜 ビジョンシート<2024>
<!-- Put the link to this slide here so people can follow -->
slide: https://hackmd.io/@Qp3MtOL_Qj2X1v5t8R4oVA/HybXw6n3s
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##
### 【ビジョンの明確化】
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## 活動の目標
- 競技としてのレベルアップ
（目標：２部リーグ昇格）
- 合意形成やコミュニケーション能力の醸成 :man:
- 主体性や学ぶ意識の獲得 :pencil:
（課題解決へのアプローチ）
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### 70% of our users are developers. Developers :heart: GitHub.
---
{%youtube E8Nj7RwXf0s %}
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### Usage flow
---
```graphviz
digraph {
compound=true
rankdir=RL
graph [ fontname="Source Sans Pro", fontsize=20 ];
node [ fontname="Source Sans Pro", fontsize=18];
edge [ fontname="Source Sans Pro", fontsize=12 ];
subgraph core {
c [label="Hackmd-it \ncore"] [shape=box]
}
c -> sync [ltail=session lhead=session]
subgraph cluster1 {
concentrate=true
a [label="Text source\nGithub, Gitlab, ..."] [shape=box]
b [label="HackMD Editor"] [shape=box]
sync [label="sync" shape=plaintext ]
b -> sync [dir="both"]
sync -> a [dir="both"]
label="神奈川県３部リーグ戦に参入"
}
}
```
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### Architecture of extension
---
---
## Content script
- Bind with each page
- Manipulate DOM
- Add event listeners
- Isolated JavaScript environment
- It doesn't break things
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# :fork_and_knife:
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<style>
code.blue {
color: #337AB7 !important;
}
code.orange {
color: #F7A004 !important;
}
</style>
- <code class="orange">onMessage('event')</code>: Register event listener
- <code class="blue">sendMessage('event')</code>: Trigger event
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# :bulb:
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- Dead simple API
- Only cares about application logic
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```typescript
import * as Channeru from 'channeru'
// setup channel in different page environment, once
const channel = Channeru.create()
```
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```typescript
// in background script
const fakeLogin = async () => true
channel.answer('isLogin', async () => {
return await fakeLogin()
})
```
<br>
```typescript
// in inject script
const isLogin = await channel.callBackground('isLogin')
console.log(isLogin) //-> true
```
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# :100: :muscle: :tada:
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### Wrap up
- Cross envornment commnication
- A small library to solve messaging pain
- TypeScript Rocks :tada:
---
### Thank you! :sheep:
You can find me on
- GitHub
- Twitter
- or email me
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