chore: use tsup for build

[bosi95]

chore: complete node and browser env build separation
chore: update docs and packaging
chore: update tests to write to a temp folder

[Copilot]

Pull request overview

Migrates the library build pipeline to tsup while producing separate Node and browser bundles (with conditional exports) and updates tests/docs to reflect the new platform split and temp-fixture handling.

Changes:

• Added tsup.config.ts to generate dual ESM+CJS outputs for Node (dist/node) and browser (dist/browser), with esbuild stubs to prevent cross-platform module loading.
• Updated packaging (package.json exports, engines, sideEffects) and TypeScript config (moduleResolution: Bundler, noEmit, isolatedModules) to align with bundler-based builds.
• Adjusted Jest projects (unit-node/unit-browser) and integration/unit tests to write fixtures under tests/integration/tmp/, plus added a browser shim setup file.

Reviewed changes

Copilot reviewed 41 out of 46 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
tsup.config.ts	Defines tsup Node/browser build outputs and esbuild stubs for platform-specific modules.
tsconfig.json	Switches TS to bundler-style resolution and typecheck-only (noEmit) to match tsup builds.
tests/utils.ts	Aligns imports with inline type-only imports.
tests/unit/version.spec.ts	Updates unit test imports for type-only usage.
tests/unit/trash.spec.ts	Updates unit test imports for type-only usage.
tests/unit/mock.ts	Updates mock types to type-only imports for lint consistency.
tests/unit/folder.spec.ts	Refactors imports into typed/value split (inline type imports).
tests/unit/file.spec.ts	Refactors imports and updates fs-node module path usage.
tests/unit/drive.spec.ts	Updates unit test imports for type-only usage.
tests/unit/abort.spec.ts	Updates unit test imports for type-only usage.
tests/TESTS.md	Documents new Jest project layout and temp fixture behavior/location.
tests/platform-browser.ts	Adds unit-browser setup shim to force isNode=false for browser-path coverage.
tests/integration/version.spec.ts	Decouples drive path vs on-disk sourcePath using the temp registry.
tests/integration/trash.spec.ts	Uses stable temp source paths for repeated uploads.
tests/integration/setup/utils.ts	Moves temp fixtures under tests/integration/tmp/ and returns absolute paths.
tests/integration/init.spec.ts	Updates integration test imports for type-only usage.
tests/integration/folder.spec.ts	Updates integration test imports for type-only usage.
tests/integration/file.spec.ts	Decouples drive paths from disk paths across upload/update/move tests.
tests/integration/e2e.spec.ts	Uses absolute disk path for update source while keeping manifest paths stable.
tests/integration/drive.spec.ts	Updates integration test imports for type-only usage.
tests/integration/abort.spec.ts	Tracks temp source paths explicitly for abort-related upload scenarios.
src/utils/mantaray.ts	Converts bee-js and internal imports to type-only where applicable.
src/utils/fs/fs-node.ts	Adds Node-only fs helpers (isDir, readFile, content-type detection).
src/utils/common.ts	Converts internal type imports to inline type-only.
src/utils/bee.ts	Converts bee-js and internal imports to type-only where applicable.
src/utils/asserts.ts	Splits value vs type imports while preserving runtime validation constructors.
src/upload/upload-node.ts	Updates Node upload implementation to import fs-node helper module.
src/upload/upload-browser.ts	Converts imports to type-only where applicable.
src/upload/index.ts	Updates dynamic imports to new upload-node / upload-browser module names.
src/types/utils.ts	Converts bee-js imports to type-only where applicable.
src/types/upload.ts	Converts internal imports to type-only where applicable.
src/types/info.ts	Converts imports to type-only where applicable.
src/types/fileManager.ts	Converts imports (bee-js + internal) to type-only where applicable.
src/types/download.ts	Converts imports to type-only where applicable.
src/mantarayStore.ts	Converts bee-js and internal imports to type-only where applicable.
src/fileManager.ts	Converts bee-js and internal imports to type-only where applicable.
src/download/index.ts	Converts imports to type-only where applicable.
README.md	Updates build/package documentation for tsup + dual platform bundles and Node version requirement.
pnpm-workspace.yaml	Allows esbuild to build during pnpm install (tsup/ts-jest dependency chain).
pnpm-lock.yaml	Locks new toolchain deps (notably tsup/esbuild/rollup) and related transitive updates.
package.json	Switches build script to tsup, adds conditional exports, updates engines, removes rimraf, adds repo metadata.
jest.config.ts	Fixes browser setup filename and keeps multi-project Jest config.
eslint.config.mjs	Ignores tsup config and enforces consistent-type-imports inline style.
.nvmrc	Drops Node version to v22 to match engines/docs.
.npmignore	Refines ignored paths for published package contents.
.gitignore	Ignores integration temp directory under tests.

Files not reviewed (1)

• pnpm-lock.yaml: Generated file

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