Instruction file imported from hyperlight-dev/hyperagent (.github/instructions/builtin-modules.instructions.md). Copyright stays with the author.

Builtin Modules

Name: builtin-modules
Author: hyperlight-dev

Modules that run inside the Hyperlight sandbox, available to guest JavaScript via require("ha:<module>").

Rules

Source files — Edit only src/*.ts files
Generated files — *.js and *.d.ts in the root are auto-generated
Regenerate — Run npm run build:modules after editing source
Enforced by — tests/dts-sync.test.ts compares compiled output to committed files

Module Header Format

Each module should have a standard header comment:

// @module <name>
// @description <description>
// @created <ISO date>
// @modified <ISO date>
// @mutable false
// @author system

Current Modules

Module	Purpose
`base64`	Base64 encode/decode for Uint8Array
`crc32`	CRC32 checksum calculation
`xml-escape`	XML entity escaping
`zip-format`	ZIP file creation
`str-bytes`	String/bytes conversion
`ooxml-core`	Core OOXML utilities
`pptx`	PowerPoint generation
`pptx-charts`	Chart support for PPTX
`pptx-tables`	Table support for PPTX
`shared-state`	Cross-handler state management

Workflow

Edit src/<module>.ts
Run npm run build:modules
Commit both source and generated files
Test via just test

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builtin-modules

About

Builtin Modules

Rules

Module Header Format

Current Modules

Workflow

Use it

Manifest

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