Bump esbuild from 0.12.24 to 0.14.51

[dependabot]

Bumps esbuild from 0.12.24 to 0.14.51.

Release notes

Sourced from esbuild's releases.

v0.14.51

• Add support for React 17's automatic JSX transform (#334, #718, #1172, #2318, #2349)

  This adds support for the new "automatic" JSX runtime from React 17+ to esbuild for both the build and transform APIs.

  New CLI flags and API options:

  • --jsx, jsx — Set this to "automatic" to opt in to this new transform
  • --jsx-dev, jsxDev — Toggles development mode for the automatic runtime
  • --jsx-import-source, jsxImportSource — Overrides the root import for runtime functions (default "react")

  New JSX pragma comments:

  • @jsxRuntime — Sets the runtime (automatic or classic)
  • @jsxImportSource — Sets the import source (only valid with automatic runtime)

  The existing @jsxFragment and @jsxFactory pragma comments are only valid with "classic" runtime.

  TSConfig resolving: Along with accepting the new options directly via CLI or API, option inference from tsconfig.json compiler options was also implemented:

  • "jsx": "preserve" or "jsx": "react-native" → Same as --jsx=preserve in esbuild
  • "jsx": "react" → Same as --jsx=transform in esbuild (which is the default behavior)
  • "jsx": "react-jsx" → Same as --jsx=automatic in esbuild
  • "jsx": "react-jsxdev" → Same as --jsx=automatic --jsx-dev in esbuild

  It also reads the value of "jsxImportSource" from tsconfig.json if specified.

  For react-jsx it's important to note that it doesn't implicitly disable --jsx-dev. This is to support the case where a user sets "react-jsx" in their tsconfig.json but then toggles development mode directly in esbuild.

  esbuild vs Babel vs TS vs...

  There are a few differences between the various technologies that implement automatic JSX runtimes. The JSX transform in esbuild follows a mix of Babel's and TypeScript's behavior:

  • When an element has __source or __self props:

    • Babel: Print an error about a deprecated transform plugin
    • TypeScript: Allow the props
    • swc: Hard crash
    • esbuild: Print an error — Following Babel was chosen for this one because this might help people catch configuration issues where JSX files are being parsed by multiple tools

  • Element has an "implicit true" key prop, e.g. <a key />:

    • Babel: Print an error indicating that "key" props require an explicit value
    • TypeScript: Silently omit the "key" prop
    • swc: Hard crash
    • esbuild: Print an error like Babel — This might help catch legitimate programming mistakes

  • Element has spread children, e.g. <a>{...children}</a>

    • Babel: Print an error stating that React doesn't support spread children
    • TypeScript: Use static jsx function and pass children as-is, including spread operator
    • swc: same as Babel
    • esbuild: Same as TypeScript

... (truncated)

Changelog

Sourced from esbuild's changelog.

0.14.51

• Add support for React 17's automatic JSX transform (#334, #718, #1172, #2318, #2349)

  This adds support for the new "automatic" JSX runtime from React 17+ to esbuild for both the build and transform APIs.

  New CLI flags and API options:

  • --jsx, jsx — Set this to "automatic" to opt in to this new transform
  • --jsx-dev, jsxDev — Toggles development mode for the automatic runtime
  • --jsx-import-source, jsxImportSource — Overrides the root import for runtime functions (default "react")

  New JSX pragma comments:

  • @jsxRuntime — Sets the runtime (automatic or classic)
  • @jsxImportSource — Sets the import source (only valid with automatic runtime)

  The existing @jsxFragment and @jsxFactory pragma comments are only valid with "classic" runtime.

  TSConfig resolving: Along with accepting the new options directly via CLI or API, option inference from tsconfig.json compiler options was also implemented:

  • "jsx": "preserve" or "jsx": "react-native" → Same as --jsx=preserve in esbuild
  • "jsx": "react" → Same as --jsx=transform in esbuild (which is the default behavior)
  • "jsx": "react-jsx" → Same as --jsx=automatic in esbuild
  • "jsx": "react-jsxdev" → Same as --jsx=automatic --jsx-dev in esbuild

  It also reads the value of "jsxImportSource" from tsconfig.json if specified.

  For react-jsx it's important to note that it doesn't implicitly disable --jsx-dev. This is to support the case where a user sets "react-jsx" in their tsconfig.json but then toggles development mode directly in esbuild.

  esbuild vs Babel vs TS vs...

  There are a few differences between the various technologies that implement automatic JSX runtimes. The JSX transform in esbuild follows a mix of Babel's and TypeScript's behavior:

  • When an element has __source or __self props:

    • Babel: Print an error about a deprecated transform plugin
    • TypeScript: Allow the props
    • swc: Hard crash
    • esbuild: Print an error — Following Babel was chosen for this one because this might help people catch configuration issues where JSX files are being parsed by multiple tools

  • Element has an "implicit true" key prop, e.g. <a key />:

    • Babel: Print an error indicating that "key" props require an explicit value
    • TypeScript: Silently omit the "key" prop
    • swc: Hard crash
    • esbuild: Print an error like Babel — This might help catch legitimate programming mistakes

  • Element has spread children, e.g. <a>{...children}</a>

    • Babel: Print an error stating that React doesn't support spread children
    • TypeScript: Use static jsx function and pass children as-is, including spread operator
    • swc: same as Babel
    • esbuild: Same as TypeScript

... (truncated)

Commits

• 4402c76 publish 0.14.51 to npm
• 0137224 fix #334: support automatic JSX runtime (#2349)
• 7a268da scan over template string ranges in error messages
• e2830ae publish 0.14.50 to npm
• 8759590 fix #2362: add platform to the transform API
• 09cbb59 update internal typescript 4.5 => 4.7
• 69d356b fix #2411: ignore tsconfig extends directories
• 7208846 generate "names" in source maps (#2415)
• 98ab5e1 warn about duplicate attributes in jsx elements
• 8c6c39a improve the error message for generic arrow in tsx
• Additional commits viewable in compare view

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[dependabot]

The following labels could not be found: engineering, dependencies.

[dependabot]

Superseded by #416.