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Add DEV-only checks for assumption about instance properties #14128

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merged 1 commit into from
Nov 6, 2018

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gaearon
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@gaearon gaearon commented Nov 6, 2018

I started depending on this in #14112. Adding some DEV-only checks so that we notice if we break this.

if (__DEV__) {
if (finishedWork.type === finishedWork.elementType) {
warning(
instance.props === finishedWork.memoizedProps,
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I thought the whole point of your previous PR is that memoizedProps does not include the resolved default props, but instance.props does?

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Oh duh, didn't notice the outer check :D

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sizebot commented Nov 6, 2018

Details of bundled changes.

Comparing: f777d19...076460d

react-dom

File Filesize Diff Gzip Diff Prev Size Current Size Prev Gzip Current Gzip ENV
react-dom.development.js +0.3% +0.1% 705.75 KB 708.1 KB 163.47 KB 163.71 KB UMD_DEV
react-dom.development.js +0.3% +0.1% 701.07 KB 703.41 KB 162.1 KB 162.33 KB NODE_DEV
ReactDOM-dev.js +0.5% +0.2% 721.04 KB 724.37 KB 163.2 KB 163.57 KB FB_WWW_DEV

react-art

File Filesize Diff Gzip Diff Prev Size Current Size Prev Gzip Current Gzip ENV
react-art.development.js +0.5% +0.2% 492.42 KB 494.77 KB 109.05 KB 109.26 KB UMD_DEV
react-art.development.js +0.6% +0.2% 424.2 KB 426.54 KB 92.01 KB 92.22 KB NODE_DEV
ReactART-dev.js +0.8% +0.4% 430.51 KB 433.84 KB 90.82 KB 91.18 KB FB_WWW_DEV

react-test-renderer

File Filesize Diff Gzip Diff Prev Size Current Size Prev Gzip Current Gzip ENV
react-test-renderer.development.js +0.5% +0.2% 436.86 KB 439.2 KB 94.7 KB 94.92 KB UMD_DEV
react-test-renderer.development.js +0.5% +0.2% 432.08 KB 434.42 KB 93.55 KB 93.77 KB NODE_DEV
ReactTestRenderer-dev.js +0.8% +0.4% 438.58 KB 441.91 KB 92.67 KB 93.03 KB FB_WWW_DEV

react-reconciler

File Filesize Diff Gzip Diff Prev Size Current Size Prev Gzip Current Gzip ENV
react-reconciler.development.js +0.6% +0.3% 422.04 KB 424.39 KB 90.47 KB 90.7 KB NODE_DEV
react-reconciler-persistent.development.js +0.6% +0.3% 420.49 KB 422.83 KB 89.84 KB 90.07 KB NODE_DEV

react-native-renderer

File Filesize Diff Gzip Diff Prev Size Current Size Prev Gzip Current Gzip ENV
ReactNativeRenderer-dev.js +0.6% +0.3% 556.24 KB 559.57 KB 121.61 KB 121.97 KB RN_FB_DEV
ReactNativeRenderer-dev.js +0.6% +0.3% 555.94 KB 559.27 KB 121.52 KB 121.88 KB RN_OSS_DEV
ReactFabric-dev.js +0.6% +0.3% 546.56 KB 549.89 KB 119.13 KB 119.49 KB RN_FB_DEV
ReactFabric-dev.js +0.6% +0.3% 546.59 KB 549.92 KB 119.14 KB 119.5 KB RN_OSS_DEV

scheduler

File Filesize Diff Gzip Diff Prev Size Current Size Prev Gzip Current Gzip ENV
scheduler.development.js n/a n/a 0 B 19.17 KB 0 B 5.74 KB UMD_DEV
scheduler.production.min.js n/a n/a 0 B 3.16 KB 0 B 1.53 KB UMD_PROD

Generated by 🚫 dangerJS

@gaearon gaearon merged commit b67c1a2 into facebook:master Nov 6, 2018
n8schloss pushed a commit to n8schloss/react that referenced this pull request Jan 31, 2019
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4 participants