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bot-agents/.agents/memory/ts-only-files-and-imports.md
Danny Kim ccfb08f4d5 Document that package.json aliases may target only direct subfolders of src (#21)
Follow-up to #20, which was merged before this landed.

bot-agents has no `package.json` `imports` aliases (`src/` is flat and everything imports relatively), so no code changes. This records the new rule in the docs:

- `.agents/memory/imports-aliases-barrels.md`: aliases may target only a direct subfolder of `src/` (its `index.ts` or a `#x/*` pattern); nothing outside `src/`, not `src/` itself, not deeper folders; such code imports relatively.
- `.agents/memory/tests-layout-vitest.md`: `tests/` reach the public entry through a relative import, not a `#plugin` alias.
- `.agents/skills/migrate-deno-repo/SKILL.md` and `AGENTS.md`: same rule.

`vp check`, `vp test`, and `damem doctor` pass.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Reviewed-on: #21
Reviewed-by: bot <noreply@capsulizers.com>
Co-authored-by: Danny Kim <temeddix@gmail.com>
Co-committed-by: Danny Kim <temeddix@gmail.com>
2026-10-18 14:37:49 +00:00

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Markdown

---
description: Every file is .ts (no js/mjs/cjs/jsx/tsx, configs included); imports name only .ts files or .js/.mts/.mjs package subpaths; CSS comes from HTML, JSON/SVG become .ts modules
---
The user's rule, from the Deno days and restated for Node (2026-10-12): "No
JS, not even JSX/TSX, only TS." Source, scripts, tests, and configs are all
plain `.ts`. Build output in a gitignored folder is the only JS.
`tsconfig.json`: no `allowJs`, no `jsx`, and exactly this strictness set (user
decision, 2026-10-18): `strict` (written out), `noUncheckedIndexedAccess`,
`noPropertyAccessFromIndexSignature`, `noImplicitReturns`, `noUnusedLocals`,
`noUnusedParameters`, `noImplicitOverride`, `noFallthroughCasesInSwitch`,
`erasableSyntaxOnly`, and `allowUnreachableCode: false` plus
`allowUnusedLabels: false` (user decision, 2026-10-18; on in the Deno setup),
plus the mechanical `verbatimModuleSyntax`, `allowImportingTsExtensions`, and
`noEmit` (packages also keep `declaration` and `isolatedDeclarations`).
`exactOptionalPropertyTypes` is off everywhere: write `{ key: maybeUndefined }`
rather than leaving the key out to please it. If a tool or framework seems to
need a JS or TSX file, stop and flag it instead of adding one.
## No asset imports (2026-10-14, widened 2026-10-16 and 2026-10-17)
`project/no-asset-imports` (in `scripts/project-lint.ts`; it was
`no-non-ts-imports` before 2026-10-16) fails:
- a relative, absolute, `#`, or package-subpath specifier whose last segment
has an extension other than `.ts`, `.js`, `.mts`, or `.mjs`: `.css`,
`.json`, `.svg`, `.jsx`, `.tsx`, and every other asset;
- any `?query` suffix (`?raw`, `?url`, `?inline`);
- any import attributes (`with { type: "json" }`, `with { type: "text" }`).
`.js`, `.mts`, and `.mjs` are allowed (user decision, 2026-10-17) for package
subpaths such as `lit/decorators.js` or `pdfjs-dist/legacy/build/pdf.mjs`;
our own files are still `.ts` only. `.jsx` and `.tsx` stay banned. Bare
packages (`lit`, `@types/json-schema`, `lodash.debounce`), `#` aliases, and
`node:` builtins pass. `@fortawesome/x/svgs/a.svg` fails.
```ts
import "./theme.css"; // no
import data from "./scenes.json" with { type: "json" }; // no
import icon from "./lock.svg?raw"; // no
import { scenes } from "#data/scenes"; // yes: scenes.ts
```
## What to do instead
- **CSS:** load it from HTML with `<link rel="stylesheet" href="...">`. Never
import CSS from TS, not even for Vite. (This also removes most of the
`import/no-unassigned-import` hits the `suspicious` category reports.)
- **JSON data:** turn it into a `.ts` module exporting a typed constant.
- **SVG:** a `.ts` module exporting the markup.
- **`package.json` fields at runtime:** never `import pkg from
"./package.json"` and there is no `#package` alias. Write the value out in
`.ts` and add a test in `tests/` that reads `package.json` with `node:fs`
and fails on drift (the plugin repos do this for `meta.name`/`meta.version`).
- **Reading a file is not importing it.** `readFileSync` + `JSON.parse` is
fine in tooling and tests.
- **A tool's CLI file:** prefer the package entry or spawning the package's
bin over importing `pkg/cli.js`, which runs the CLI as a side effect.