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@mdebbar mdebbar commented Jun 21, 2023

In some languages, when the text contains a new line "\n", the v8BreakIterator starts returning different values from breakType(). This caused our code to think that those line breaks were hard line breaks when in fact they were soft line breaks. Still unclear if this is a v8BreakIterator bug or a wrong expectation on our side regarding how breakType() is supposed to work.

Instead of using v8BreakIterator.breakType(), let's do the soft vs hard detection ourselves (we already have all the necessary pieces).

Fixes flutter/flutter#127379

@github-actions github-actions bot added the platform-web Code specifically for the web engine label Jun 21, 2023
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mdebbar commented Jun 22, 2023

According to this code in V8, it looks like breakType() is only meant for words.

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@harryterkelsen harryterkelsen left a comment

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LGTM

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@yjbanov yjbanov left a comment

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lgtm

@mdebbar mdebbar added the autosubmit Merge PR when tree becomes green via auto submit App label Jun 22, 2023
@auto-submit auto-submit bot merged commit 0a10768 into flutter:main Jun 22, 2023
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Jun 22, 2023
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Jun 22, 2023
@mdebbar mdebbar deleted the thai_line_breaks branch June 22, 2023 21:38
auto-submit bot pushed a commit to flutter/flutter that referenced this pull request Jun 22, 2023
…129378)

flutter/engine@703c9a1...ed477de

2023-06-22 [email protected] Roll ANGLE from bbcf54bcb738 to 4ed2d403a329 (7 revisions) (flutter/engine#43105)
2023-06-22 [email protected] Workaround a release blocker after libc++ change (flutter/engine#43091)
2023-06-22 [email protected] Roll Skia from 8168c802c391 to 09b36b8ce0db (1 revision) (flutter/engine#43102)
2023-06-22 [email protected] [Impeller] Reland: Correctly compute UVs in texture fill (flutter/engine#43093)
2023-06-22 [email protected] [Impeller] Add validation forbidding SamplerAddressMode::kDecal on the OpenGLES backend (flutter/engine#43094)
2023-06-22 [email protected] Use minor version, ignore patches for CodeQL (flutter/engine#43088)
2023-06-22 [email protected] Print a warning when a message channel is used on the wrong thread. (flutter/engine#42928)
2023-06-22 [email protected] Roll Skia from 3f3e1da4b7eb to 8168c802c391 (4 revisions) (flutter/engine#43096)
2023-06-22 [email protected] [Impeller] default sample count back to 1 (but configure to 4 in defaults). (flutter/engine#43089)
2023-06-22 [email protected] [web] Don't get break type from v8BreakIterator (flutter/engine#43053)
2023-06-22 [email protected] Roll dart to 3.1.0-239.0.dev (flutter/engine#43083)
2023-06-22 [email protected] Revert "[Impeller] dont use concurrent runner to decode images on Android." (flutter/engine#43061)
2023-06-22 [email protected] [Impeller] Add fence waiter trace event. (flutter/engine#43092)
2023-06-22 [email protected] [Impeller] remove Vulkan pipeline cache mutex. (flutter/engine#43085)
2023-06-22 [email protected] Revert "[Impeller] Correctly compute UVs in texture fill" (flutter/engine#43087)
2023-06-22 [email protected] Roll Fuchsia Linux SDK from 7EZeNE4aGd29VfDly... to tcVndpnH_jzGm5LsJ... (flutter/engine#43081)
2023-06-22 [email protected] Roll Skia from 117f57a53215 to 3f3e1da4b7eb (4 revisions) (flutter/engine#43080)
2023-06-22 [email protected] Roll ANGLE from 7658525166a4 to bbcf54bcb738 (1 revision) (flutter/engine#43079)
2023-06-22 [email protected] Roll Skia from 5013b651f8ec to 117f57a53215 (1 revision) (flutter/engine#43078)
2023-06-22 [email protected] Roll Fuchsia Mac SDK from QtQznuUmHMTyORqxJ... to Ylc35wOk0_j0NLzDv... (flutter/engine#43076)
2023-06-22 [email protected] Roll ANGLE from a2b3f9b64670 to 7658525166a4 (1 revision) (flutter/engine#43075)
2023-06-22 [email protected] Roll ANGLE from ac263582dda4 to a2b3f9b64670 (1 revision) (flutter/engine#43074)
2023-06-22 [email protected] Roll Skia from 71047dca9f77 to 5013b651f8ec (4 revisions) (flutter/engine#43073)
2023-06-22 [email protected] [Impeller] Correctly compute UVs in texture fill (flutter/engine#43028)

Also rolling transitive DEPS:
  fuchsia/sdk/core/linux-amd64 from 7EZeNE4aGd29 to tcVndpnH_jzG
  fuchsia/sdk/core/mac-amd64 from QtQznuUmHMTy to Ylc35wOk0_j0

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Khmer text (Cambodian) become multiple lines and lose some character when put \n between sentence on web.

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