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fx-code-start

v0.1.0

Published

TypeScript runtime hot patch starter using swc-node

Readme

fx-code-start

TypeScript runtime starter that patches static imports on the fly and compiles with swc-node for fast startup.

Installation

npm install -g fx-code-start
# or local dev
npm install

Usage

  • Basic run:

    npx fx-code-start path/to/index.ts [app-args]
  • Multi-file patch:

    npx fx-code-start index.ts --patch server/components/index.ts --patch lib/a.ts

    The --patch flag accepts multiple occurrences or a list of files. All patched files are converted to CommonJS require before compilation.

  • Debug with VS Code / Chrome:

    npx fx-code-start index.ts --inspect

    Start from VS Code Debug Terminal so breakpoints bind to the inlined source maps generated by swc-node.

All unknown CLI options are forwarded to your target script.

Advanced

  • Environment variable FX_PATCH_FILES can be set to a comma-separated list of absolute or relative paths. These paths are normalized and matched against loaded .ts files. When not set, server/components/index.ts is patched by default.
  • The loader hooks into require.extensions['.ts'] to intercept matches, transform imports to require, compile with @swc-node/core using inline source maps, and execute the result.