Better target for bundlecheck #500

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1. aversini commented on Feb 4, 2026

   

   aversini

   on Feb 4, 2026

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   @cursor fix please
2. cursor commented on Feb 4, 2026

   

   cursorBot

   on Feb 4, 2026 – with Cursor

   Last edited by cursor

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   I've successfully implemented the requested feature. Here's a summary of the changes:

   Changes made:

   1. Updated default esbuild target from es2020 to es2022 in bundler.ts

   2. Added new target option for both CLI and API:

      • CLI: --target/-T flag (e.g., bundlecheck lodash --target es2020)
      • API: target option in getBundleStats() and getBundleTrend() functions

   3. Files modified:

      • defaults.ts - Added DEFAULT_TARGET, VALID_TARGETS, isValidTarget(), and normalizeTarget() functions
      • bundler.ts - Added target to BundleOptions type and used it in esbuild calls
      • parse.ts - Added CLI flag definition and validation
      • bundlecheck.ts - Pass target to bundle functions
      • index.ts - Added target to API types and functions
      • trend.ts - Added target support for trend analysis
      • README.md - Documented the new option
      • defaults.test.ts - Added unit tests for target validation

   4. Valid target values: es2015 through es2024 and esnext

   All 187 tests passed (including 11 new tests for target validation). The commit has been pushed to the cursor/bundlecheck-esbuild-target-3e3e branch.

   

    
3. aversini

   closed this as completedon Feb 14, 2026