# TerraSolstice Online
<!-- Put the link to this slide here so people can follow -->
slide: https://hackmd.io/@tHjuUyWPRbyXQMVwQ5382Q/HyXbJz18q
---
We discuss the future of Global Rennovation projects and Open-Source Contributions toward the building and managing of smart cities, token economies and the use of geo-engineering in everyday products for spatial optimization.
Please prepare laptop or smartphone to join!
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## Who am I?
- Founder/CEO
- Blockchain Developer :link:
- I have a :cat:
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### We're 100% Open-Source and perpetually building new projects.
Visit our [GitHub](https://github.com/terrasolstice).
{%youtube E8Nj7RwXf0s %}
---
### Usage flow
This is how our system is organized currently and plans to grow in order to scale with the size of the DAO contributions.
```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="An edit session"
}
}
```
---
### Architecture of Communty
---
---
## Library of Scripts
- Bind with each page
- Manipulate DOM
- Add event listeners
- Isolated JavaScript environment
- It doesn't break things
---
<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:
---
- 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()
```
---
```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
```
---
# :100: :muscle: :tada:
---
### 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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