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22 lines
719 B
Markdown
22 lines
719 B
Markdown
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# How to upgrade TypeScript.
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The files in this directory are mostly from the TypeScript repository. We
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currently (unfortunately) have a rather manual process for upgrading TypeScript.
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It works like this currently:
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1. Checkout typescript repo in a seperate directory.
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2. Copy typescript.js into Deno repo
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3. Copy d.ts files into dts directory
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4. Update `ts_version()` in `cli/build.rs`
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https://github.com/denoland/deno/blob/452693256ce7b607fa0b9454b22c57748f616742/cli/build.rs#L73-L76
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So that might look something like this:
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```
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git clone https://github.com/microsoft/TypeScript.git
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cd typescript
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git checkout v3.9.7
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cp lib/typescript.js ~/src/deno/cli/tsc/00_typescript.js
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cp lib/*.d.ts ~/src/deno/cli/dts/
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```
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