Files

Ben Alpert d1b8db1532 React inlining: Refactor to reduce parsing cost

- Have the `jsx` helper do the `defaultProps` work instead of calling `defaultProps` inline.
- Put `key` after `props` and make it optional.
- Inline `children` as rest args instead of in the object.
- Rename `createRawReactElement` to `jsx`. I wish I was kidding.

Most of these are silly microoptimizations. In my test file (based off an internal RN app), this reduces the parsing overhead of inlining from around 1% to 0.1% in JSC and from 0.6% to 0.0% in V8 (compared to element inlining before this commit).

Once parsed, the initial render with inlining is the same speed as not inlining in JSC and ~1% slower in V8. A second initial render in the same context (reusing the function objects, JIT, etc) is 2.0% faster in JSC and 5.5% faster in V8.

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babel

v6.1.18

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babel-cli

v6.1.18

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babel-code-frame

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babel-core

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babel-generator

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babel-helper-bindify-decorators

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babel-helper-builder-binary-assignment-operator-visitor

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babel-helper-builder-conditional-assignment-operator-visitor

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babel-helper-builder-react-jsx

v6.1.18

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babel-helper-call-delegate

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babel-helper-define-map

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babel-helper-explode-assignable-expression

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babel-helper-explode-class

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babel-helper-fixtures

v6.1.18

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babel-helper-function-name

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babel-helper-get-function-arity

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babel-helper-hoist-variables

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babel-helper-optimise-call-expression

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babel-helper-plugin-test-runner

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babel-helper-regex

v6.1.18

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babel-helper-remap-async-to-generator

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babel-helper-replace-supers

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babel-helper-transform-fixture-test-runner

v6.1.18

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babel-helpers

React inlining: Refactor to reduce parsing cost

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babel-messages

v6.1.18

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babel-plugin-check-es2015-constants

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babel-plugin-external-helpers-2

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babel-plugin-syntax-async-functions

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babel-plugin-syntax-async-generators

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babel-plugin-syntax-class-constructor-call

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babel-plugin-syntax-class-properties

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babel-plugin-syntax-decorators

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babel-plugin-syntax-do-expressions

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babel-plugin-syntax-exponentiation-operator

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babel-plugin-syntax-export-extensions

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babel-plugin-syntax-flow

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babel-plugin-syntax-function-bind

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babel-plugin-syntax-jsx

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babel-plugin-syntax-object-rest-spread

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babel-plugin-syntax-trailing-function-commas

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babel-plugin-transform-async-functions

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babel-plugin-transform-async-to-generator

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babel-plugin-transform-async-to-module-method

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babel-plugin-transform-class-constructor-call

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babel-plugin-transform-class-properties

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babel-plugin-transform-decorators

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babel-plugin-transform-do-expressions

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babel-plugin-transform-es3-member-expression-literals

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babel-plugin-transform-es3-property-literals

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babel-plugin-transform-es5-property-mutators

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babel-plugin-transform-es2015-arrow-functions

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babel-plugin-transform-es2015-block-scoped-functions

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babel-plugin-transform-es2015-block-scoping

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babel-plugin-transform-es2015-classes

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babel-plugin-transform-es2015-computed-properties

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babel-plugin-transform-es2015-destructuring

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babel-plugin-transform-es2015-for-of

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babel-plugin-transform-es2015-function-name

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babel-plugin-transform-es2015-instanceof

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babel-plugin-transform-es2015-literals

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babel-plugin-transform-es2015-modules-amd

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babel-plugin-transform-es2015-modules-commonjs

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babel-plugin-transform-es2015-modules-systemjs

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babel-plugin-transform-es2015-modules-umd

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babel-plugin-transform-es2015-object-super

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babel-plugin-transform-es2015-parameters

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babel-plugin-transform-es2015-shorthand-properties

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babel-plugin-transform-es2015-spread

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babel-plugin-transform-es2015-sticky-regex

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babel-plugin-transform-es2015-template-literals

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babel-plugin-transform-es2015-typeof-symbol

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babel-plugin-transform-es2015-unicode-regex

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babel-plugin-transform-eval

v6.1.18

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babel-plugin-transform-exponentiation-operator

v6.1.18

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babel-plugin-transform-export-extensions

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babel-plugin-transform-flow-strip-types

v6.1.18

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babel-plugin-transform-function-bind

v6.1.18

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babel-plugin-transform-inline-environment-variables

v6.1.18

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babel-plugin-transform-jscript

v6.1.18

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babel-plugin-transform-member-expression-literals

v6.1.18

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babel-plugin-transform-merge-sibling-variables

v6.1.18

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babel-plugin-transform-minify-booleans

v6.1.18

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babel-plugin-transform-node-env-inline

v6.1.18

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babel-plugin-transform-object-assign

v6.1.18

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babel-plugin-transform-object-rest-spread

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babel-plugin-transform-object-set-prototype-of-to-assign

v6.1.18

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babel-plugin-transform-property-literals

v6.1.18

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babel-plugin-transform-proto-to-assign

v6.1.18

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babel-plugin-transform-react-constant-elements

React inlining: Refactor to reduce parsing cost

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babel-plugin-transform-react-display-name

v6.1.18

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babel-plugin-transform-react-inline-elements

React inlining: Refactor to reduce parsing cost

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babel-plugin-transform-react-jsx

v6.1.18

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babel-plugin-transform-react-jsx-compat

v6.1.18

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babel-plugin-transform-react-jsx-source

v6.1.18

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babel-plugin-transform-regenerator

v6.1.18

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babel-plugin-transform-remove-console

v6.1.18

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babel-plugin-transform-remove-debugger

v6.1.18

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babel-plugin-transform-runtime

v6.1.18

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babel-plugin-transform-simplify-comparison-operators

v6.1.18

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babel-plugin-transform-strict-mode

v6.1.18

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babel-plugin-transform-undefined-to-void

v6.1.18

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babel-plugin-undeclared-variables-check

v6.1.18

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babel-polyfill

v6.1.19

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babel-preset-es2015

v6.1.18

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babel-preset-react

v6.1.18

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babel-preset-stage-0

v6.1.18

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babel-preset-stage-1

v6.1.18

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babel-preset-stage-2

v6.1.18

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babel-preset-stage-3

v6.1.18

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babel-register

v6.1.18

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babel-runtime

v6.1.18

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babel-template

v6.1.18

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babel-traverse

v6.1.18

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babel-types

v6.1.18

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babylon

v6.1.18

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README.md

6.0.0

2015-10-29 17:51:24 +00:00

README.md

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A monorepo, muhahahahahaha. See the monorepo design doc for reasoning.