Development

Prerequisites

Node.js (LTS)
Bun

Setup

git clone https://github.com/ksyasuda/SubMiner.git
cd SubMiner
make deps
# or manually:
bun install
cd vendor/texthooker-ui && pnpm install --frozen-lockfile

Building

# TypeScript compile (fast, for development)
bun run build

# Generate launcher wrapper artifact
make build-launcher
# output: dist/launcher/subminer

# Full platform build (includes texthooker-ui + AppImage/DMG)
make build

# Platform-specific builds
make build-linux          # Linux AppImage
make build-macos          # macOS DMG + ZIP (signed)
make build-macos-unsigned # macOS DMG + ZIP (unsigned)

Launcher Artifact Workflow

Source of truth: launcher/*.ts
Generated output: dist/launcher/subminer
Do not hand-edit generated launcher output.
Install targets (make install-linux, make install-macos) copy from dist/launcher/subminer.

Verify the workflow:

make build-launcher
bash scripts/verify-generated-launcher.sh

Running Locally

bun run dev    # builds + launches with --start --dev
electron . --start --dev --log-level debug   # equivalent Electron launch with verbose logging
electron . --background                       # tray/background mode, minimal default logging

Testing

bun run test:config       # Config schema and validation tests (build + run)
bun run test:core         # Core service tests (~67 tests) (build + run)
bun run test:subtitle     # Subtitle pipeline tests (build + run)

All legacy test commands build first, then run via Node's built-in test runner (node --test).

For faster iteration while editing test code:

bun run build             # one-time compile
bun run test:config:dist  # no rebuild
bun run test:core:dist    # no rebuild
bun run test:subtitle:dist # no rebuild
bun run test:fast         # run all tests without rebuild (assumes build is already current)

Config Generation

# Generate default config to ~/.config/SubMiner/config.jsonc
make generate-config

# Regenerate the repo's config.example.jsonc from centralized defaults
make generate-example-config
# or: bun run generate:config-example

Documentation Site

The docs use VitePress:

make docs-dev     # Dev server at http://localhost:5173
make docs         # Build static output
make docs-preview # Preview built site at http://localhost:4173

Makefile Reference

Run make help for a full list of targets. Key ones:

Target	Description
`make build`	Build platform package for detected OS
`make install`	Install platform artifacts (wrapper, theme, AppImage/app bundle)
`make install-plugin`	Install mpv Lua plugin and config
`make deps`	Install JS dependencies (root + texthooker-ui)
`make generate-config`	Generate default config from centralized registry
`make docs-dev`	Run VitePress dev server

Contributor Notes

To add or change a config option, update src/config/definitions.ts first. Defaults, runtime-option metadata, and generated config.example.jsonc are derived from this centralized source.
Overlay window/visibility state is owned by src/core/services/overlay-manager.ts.
Main process composition is now split across src/main/ modules (startup.ts, app-lifecycle.ts, startup-lifecycle.ts, state.ts, ipc-runtime.ts, cli-runtime.ts, overlay-runtime.ts, subsync-runtime.ts).
Linux packaged desktop launches pass --background using electron-builder build.linux.executableArgs in package.json.
MPV service has been split into transport, protocol, state, and properties layers in src/core/services/.
Prefer direct inline deps objects in src/main/ modules for simple pass-through wiring.
Add a helper/adapter service only when it performs meaningful adaptation, validation, or reuse (not identity mapping).
See Architecture for the composition model and extension rules.

Environment Variables

Variable	Description
`SUBMINER_APPIMAGE_PATH`	Override AppImage location for subminer script
`SUBMINER_BINARY_PATH`	Alias for `SUBMINER_APPIMAGE_PATH`
`SUBMINER_YT_SUBGEN_MODE`	Override `youtubeSubgen.mode` for launcher
`SUBMINER_WHISPER_BIN`	Override `youtubeSubgen.whisperBin` for launcher
`SUBMINER_WHISPER_MODEL`	Override `youtubeSubgen.whisperModel` for launcher
`SUBMINER_YT_SUBGEN_OUT_DIR`	Override generated subtitle output directory
`SUBMINER_YT_SUBGEN_AUDIO_FORMAT`	Override extraction format used for whisper fallback
`SUBMINER_YT_SUBGEN_KEEP_TEMP`	Set to `1` to keep temporary subtitle-generation workspace

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