Add ability to make TurboModules eager init

[acoates-ms]

Description

Core has a function on TurboModuleProvider to return a list of modules that should be eagerly initialized rather than waiting for access from JS.

This change add a new REACT_EAGER_TURBO_MODULE which can be used to make an attributed module eager init.
Or if manually adding a module to the package builder, you can call AddEagerInitTurboModule instead of AddTurboModule

Type of Change

• New feature (non-breaking change which adds functionality)

Microsoft Reviewers: Open in CodeFlow

[github-actions]

Performance Test Results

Branch: eagerInitModules
Commit: e6081c18
Time: 2026-05-07T04:04:52.592Z
Tests: 161/161 passed

✅ Passed

161 scenario(s) across 28 suite(s) — no regressions

SectionList

Scenario	Mean	Median	StdDev	Renders	vs Baseline
SectionList mount	5.00ms	5.00ms	±0.94ms	1	+0.0%
SectionList unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
SectionList rerender	10.90ms	10.50ms	±1.91ms	2	+0.0%
SectionList with-3-sections-15-items	5.50ms	5.00ms	±0.71ms	1	-9.1%
SectionList with-5-sections-50-items	5.90ms	5.50ms	±1.52ms	1	-8.3%
SectionList with-10-sections-200-items	5.70ms	5.00ms	±1.25ms	1	-9.1%
SectionList with-20-sections-200-items	4.90ms	5.00ms	±1.66ms	1	+0.0%
SectionList with-section-separator	2.20ms	2.00ms	±1.81ms	1	+0.0%
SectionList with-item-separator	2.20ms	2.00ms	±0.42ms	1	+0.0%
SectionList with-header-footer	1.70ms	2.00ms	±0.48ms	1	+0.0%
SectionList with-section-footer	2.00ms	2.00ms	±0.00ms	1	+0.0%
SectionList with-sticky-section-headers	2.00ms	2.00ms	±0.47ms	1	+0.0%
SectionList with-empty-list	0.30ms	0.00ms	±0.48ms	1	-100.0%
SectionList with-50-sections-1000-items	2.20ms	2.00ms	±1.75ms	1	+0.0%

FlatList

Scenario	Mean	Median	StdDev	Renders	vs Baseline
FlatList mount	4.90ms	4.00ms	±1.45ms	1	+0.0%
FlatList unmount	0.10ms	0.00ms	±0.32ms	0	+0.0%
FlatList rerender	10.30ms	10.00ms	±1.42ms	2	+11.1%
FlatList with-10-items	7.70ms	5.00ms	±6.86ms	1	+25.0%
FlatList with-100-items	5.40ms	5.00ms	±1.17ms	1	+0.0%
FlatList with-500-items	4.40ms	4.00ms	±0.52ms	1	+0.0%
FlatList with-1000-items	4.60ms	4.00ms	±0.97ms	1	+0.0%
FlatList horizontal	4.20ms	4.00ms	±0.92ms	1	-20.0%
FlatList with-separator	2.30ms	2.00ms	±2.06ms	1	+0.0%
FlatList with-header-footer	1.50ms	1.50ms	±0.53ms	1	-25.0%
FlatList with-empty-list	0.50ms	0.50ms	±0.53ms	1	+0.0%
FlatList with-get-item-layout	2.20ms	2.00ms	±1.75ms	1	+100.0%
FlatList inverted	1.40ms	1.00ms	±0.52ms	1	-33.3%
FlatList with-num-columns	2.90ms	3.00ms	±0.32ms	1	+0.0%

TouchableOpacity

Scenario	Mean	Median	StdDev	Renders	vs Baseline
TouchableOpacity mount	1.00ms	1.00ms	±0.00ms	1	+0.0%
TouchableOpacity unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
TouchableOpacity rerender	1.40ms	1.00ms	±1.07ms	2	+0.0%
TouchableOpacity custom-active-opacity	0.70ms	1.00ms	±0.48ms	1	+0.0%
TouchableOpacity disabled	0.60ms	1.00ms	±0.52ms	1	+0.0%
TouchableOpacity with-all-handlers	0.60ms	1.00ms	±0.52ms	1	+0.0%
TouchableOpacity with-hit-slop	0.90ms	1.00ms	±0.32ms	1	+0.0%
TouchableOpacity with-delay	0.70ms	1.00ms	±0.48ms	1	+0.0%
TouchableOpacity nested	1.50ms	1.50ms	±0.53ms	1	+50.0%
TouchableOpacity multiple-10	5.53ms	5.00ms	±1.36ms	1	-16.7%
TouchableOpacity multiple-50	26.93ms	27.00ms	±2.31ms	1	-6.9%
TouchableOpacity multiple-100	36.93ms	43.00ms	±12.09ms	1	-14.0%

ScrollView

Scenario	Mean	Median	StdDev	Renders	vs Baseline
ScrollView mount	0.30ms	0.00ms	±0.48ms	1	+0.0%
ScrollView unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
ScrollView rerender	0.70ms	1.00ms	±0.48ms	2	+0.0%
ScrollView children-20	3.47ms	3.00ms	±1.13ms	1	-25.0%
ScrollView children-100	16.73ms	16.00ms	±2.60ms	1	+0.0%
ScrollView horizontal	3.20ms	3.00ms	±0.42ms	1	-25.0%
ScrollView sticky-headers	3.00ms	3.00ms	±1.05ms	1	+0.0%
ScrollView scroll-indicators	0.70ms	1.00ms	±0.48ms	1	+0.0%
ScrollView nested	1.50ms	1.00ms	±0.97ms	1	+0.0%
ScrollView content-container-style	1.20ms	1.00ms	±1.03ms	1	+0.0%
ScrollView children-500	21.73ms	19.00ms	±6.19ms	1	+0.0%

TouchableHighlight

Scenario	Mean	Median	StdDev	Renders	vs Baseline
TouchableHighlight mount	0.50ms	0.50ms	±0.53ms	1	+0.0%
TouchableHighlight unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
TouchableHighlight rerender	0.60ms	1.00ms	±0.52ms	2	+0.0%
TouchableHighlight custom-underlay-color	0.60ms	1.00ms	±0.52ms	1	+Infinity%
TouchableHighlight custom-active-opacity	0.20ms	0.00ms	±0.42ms	1	+0.0%
TouchableHighlight disabled	0.50ms	0.50ms	±0.53ms	1	+Infinity%
TouchableHighlight with-all-handlers	0.40ms	0.00ms	±0.52ms	1	+0.0%
TouchableHighlight with-hit-slop	0.30ms	0.00ms	±0.48ms	1	+0.0%
TouchableHighlight nested-touchables	1.00ms	1.00ms	±0.00ms	1	+0.0%
TouchableHighlight multiple-touchables-10	3.10ms	3.00ms	±1.10ms	1	+0.0%
TouchableHighlight multiple-touchables-50	14.80ms	13.50ms	±2.44ms	1	+8.0%
TouchableHighlight multiple-touchables-100	25.10ms	25.50ms	±2.73ms	1	+13.3%

Pressable

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Pressable mount	0.50ms	0.50ms	±0.53ms	1	+Infinity%
Pressable unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
Pressable rerender	0.70ms	1.00ms	±0.48ms	2	+100.0%
Pressable with-all-handlers	0.20ms	0.00ms	±0.42ms	1	+0.0%
Pressable with-style-function	0.40ms	0.00ms	±0.52ms	1	+0.0%
Pressable disabled	0.40ms	0.00ms	±0.52ms	1	+0.0%
Pressable with-hit-slop	0.30ms	0.00ms	±0.48ms	1	+0.0%
Pressable nested	0.90ms	1.00ms	±0.57ms	1	+0.0%
Pressable multiple-10	3.13ms	3.00ms	±0.52ms	1	+0.0%
Pressable multiple-50	16.73ms	16.00ms	±1.67ms	1	+14.3%
Pressable multiple-100	17.00ms	12.00ms	±10.31ms	1	+0.0%

Modal

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Modal mount	0.20ms	0.00ms	±0.42ms	1	+0.0%
Modal unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
Modal rerender	0.50ms	0.50ms	±0.53ms	2	+Infinity%
Modal slide-animation	0.60ms	0.00ms	±1.58ms	1	+0.0%
Modal fade-animation	0.30ms	0.00ms	±0.48ms	1	+0.0%
Modal transparent	0.30ms	0.00ms	±0.48ms	1	+0.0%
Modal with-callbacks	0.00ms	0.00ms	±0.00ms	1	+0.0%
Modal rich-content	1.80ms	1.50ms	±1.23ms	1	-25.0%
Modal with-accessibility	0.20ms	0.00ms	±0.42ms	1	+0.0%

Image

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Image mount	0.20ms	0.00ms	±0.42ms	1	+0.0%
Image unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
Image rerender	0.20ms	0.00ms	±0.42ms	2	+0.0%
Image with-resize-mode	0.20ms	0.00ms	±0.42ms	1	+0.0%
Image with-border-radius	0.20ms	0.00ms	±0.42ms	1	+0.0%
Image with-tint-color	0.10ms	0.00ms	±0.32ms	1	+0.0%
Image with-blur-radius	0.10ms	0.00ms	±0.32ms	1	+0.0%
Image with-accessibility	0.20ms	0.00ms	±0.42ms	1	+0.0%
Image multiple-10	0.80ms	1.00ms	±0.41ms	1	+0.0%
Image multiple-50	4.13ms	4.00ms	±1.41ms	1	+33.3%
Image multiple-100	8.13ms	8.00ms	±1.41ms	1	+0.0%

ActivityIndicator

Scenario	Mean	Median	StdDev	Renders	vs Baseline
ActivityIndicator mount	0.20ms	0.00ms	±0.42ms	1	+0.0%
ActivityIndicator unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
ActivityIndicator rerender	0.20ms	0.00ms	±0.42ms	2	+0.0%
ActivityIndicator size-large	0.20ms	0.00ms	±0.42ms	1	+0.0%
ActivityIndicator size-small	0.20ms	0.00ms	±0.42ms	1	+0.0%
ActivityIndicator with-color	0.00ms	0.00ms	±0.00ms	1	+0.0%
ActivityIndicator not-animating	0.20ms	0.00ms	±0.42ms	1	+0.0%
ActivityIndicator with-accessibility	0.10ms	0.00ms	±0.32ms	1	+0.0%
ActivityIndicator multiple-10	1.00ms	1.00ms	±0.00ms	1	+0.0%
ActivityIndicator multiple-50	3.93ms	4.00ms	±1.22ms	1	+0.0%
ActivityIndicator multiple-100	8.00ms	8.00ms	±1.13ms	1	+14.3%

Switch

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Switch mount	0.20ms	0.00ms	±0.42ms	1	+0.0%
Switch unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
Switch rerender	0.20ms	0.00ms	±0.42ms	2	-100.0%
Switch value-true	0.30ms	0.00ms	±0.48ms	1	+0.0%
Switch disabled	0.20ms	0.00ms	±0.42ms	1	+0.0%
Switch custom-colors	0.40ms	0.00ms	±0.52ms	1	+0.0%
Switch on-value-change	0.40ms	0.00ms	±0.52ms	1	+0.0%
Switch with-accessibility	0.30ms	0.00ms	±0.48ms	1	+0.0%
Switch multiple-10	1.93ms	2.00ms	±1.22ms	1	+0.0%
Switch multiple-50	10.00ms	9.00ms	±2.24ms	1	+0.0%
Switch multiple-100	23.53ms	23.00ms	±10.20ms	1	+43.8%

Button

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Button mount	0.40ms	0.00ms	±0.52ms	1	-100.0%
Button unmount	0.20ms	0.00ms	±0.42ms	0	+0.0%
Button rerender	0.70ms	1.00ms	±0.48ms	2	+0.0%
Button disabled	0.40ms	0.00ms	±0.52ms	1	-100.0%
Button with-color	0.60ms	1.00ms	±0.52ms	1	+100.0%
Button with-accessibility	0.70ms	1.00ms	±0.48ms	1	+0.0%
Button multiple-10	6.07ms	6.00ms	±1.39ms	1	+0.0%
Button multiple-50	21.60ms	25.00ms	±8.32ms	1	-7.4%
Button multiple-100	15.60ms	15.00ms	±2.53ms	1	-21.1%

TextInput

Scenario	Mean	Median	StdDev	Renders	vs Baseline
TextInput mount	0.10ms	0.00ms	±0.32ms	1	+0.0%
TextInput unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
TextInput rerender	0.20ms	0.00ms	±0.42ms	2	+0.0%
TextInput multiline	0.10ms	0.00ms	±0.32ms	1	+0.0%
TextInput with-value	0.20ms	0.00ms	±0.42ms	1	+0.0%
TextInput styled	0.00ms	0.00ms	±0.00ms	1	+0.0%
TextInput multiple-100	7.87ms	7.00ms	±1.46ms	1	+0.0%

View

Scenario	Mean	Median	StdDev	Renders	vs Baseline
View mount	0.20ms	0.00ms	±0.42ms	1	+0.0%
View unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
View rerender	0.20ms	0.00ms	±0.42ms	2	+0.0%
View nested-50	3.80ms	4.00ms	±0.77ms	1	+33.3%
View nested-100	8.40ms	8.00ms	±1.30ms	1	+14.3%
View shadow	0.20ms	0.00ms	±0.42ms	1	+0.0%
View border-radius	0.00ms	0.00ms	±0.00ms	1	+0.0%
View nested-500	16.73ms	10.00ms	±12.65ms	1	+0.0%

Text

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Text mount	0.10ms	0.00ms	±0.32ms	1	+0.0%
Text unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
Text rerender	0.20ms	0.00ms	±0.42ms	2	+0.0%
Text long-1000	0.20ms	0.00ms	±0.42ms	1	+0.0%
Text nested	0.30ms	0.00ms	±0.48ms	1	+0.0%
Text styled	0.10ms	0.00ms	±0.32ms	1	+0.0%
Text multiple-100	8.47ms	8.00ms	±1.25ms	1	+14.3%

SectionList.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
SectionList native mount	6.02ms	5.82ms	±1.07ms	1	-10.5%

FlatList.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
FlatList native mount	5.48ms	5.36ms	±1.16ms	1	-41.9%

TouchableHighlight.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
TouchableHighlight native mount	1.48ms	1.44ms	±0.14ms	1	-31.1%

TouchableOpacity.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
TouchableOpacity native mount	1.96ms	1.71ms	±0.81ms	1	-45.5%

Pressable.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Pressable native mount	1.83ms	1.75ms	±0.41ms	1	-30.2%

ScrollView.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
ScrollView native mount	3.59ms	3.34ms	±0.56ms	1	-17.5%

ActivityIndicator.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
ActivityIndicator native mount	1.52ms	1.35ms	±0.60ms	1	-45.6%

TextInput.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
TextInput native mount	2.05ms	2.01ms	±0.15ms	1	-50.8%

Switch.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Switch native mount	1.34ms	1.23ms	±0.29ms	1	-29.0%

Button.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Button native mount	2.02ms	1.88ms	±0.31ms	1	-27.8%

Modal.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Modal native mount	1.07ms	1.01ms	±0.21ms	1	-16.8%

Image.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Image native mount	1.97ms	1.86ms	±0.45ms	1	-17.7%

View.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
View native mount	1.01ms	0.96ms	±0.16ms	1	-32.6%

Text.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Text native mount	1.18ms	1.14ms	±0.14ms	1	-34.2%