A history of Typescript, ft JT (Senior program manager at Microsoft).

JT @jntrnr was the senior program manager of Typescript at Microsoft, and also contributed heavily to Rust.

JT walks us through the history of typescript, how the team was structured, why they built Typescript, etc.

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0:00 Intro JT
0:45 Why typescript, origins
3:00 When did you join TS Team
4:30 JT technical background
7:03 Satya Nadella & Open Source
11:48 Why go after web developers. Talk Business
13:17 Risk of internal technology
14:58 Typescript vs Coffeescript & syntax
16:19 will TS replace Javascript (JS)
18:09 Whats a Program Manager at Microsoft
21:20 Vision of typescript
23:46 Revolution vs incremental adoption
25:50 why name it typescript
27:52 how can a big company innovate
31:47 Why Angular used Typescript
33:30 Why react had FLOW, JSX instead of TSX
34:50 Internal vs External transperency
36:15 Anders Hejlsberg designed C# & TS
37:30 leaning into the challenge
40:35 high level vs into the weeds
47:35 where can i read the TS source code
48:23 Andres Hejlsberg rewrites the compiler
49:30 Unit tests?
50:00 Language services, cross IDE support
52:20 Intellij vs VSCode
53:25 Biggest technical challenges of TS
56:00 what feature of Rust would you bring to TS
59:25 what would you have done differently (jsx)
1:01:20 did Satya turn Microsoft around
1:05:30 Angular team
1:08:50 How to make a new browser
1:11:40 Whats the next 10 years look like