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Bug 1793749 - Build ICU with the implicithan collation root. r=anba

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Makes ICU data 353 KB smaller.

Differential Revision: https://phabricator.services.mozilla.com/D160345
This commit is contained in:
Henri Sivonen 2022-10-28 08:43:58 +00:00
parent 1a14e85b05
commit 0b6dc7aed6
3 changed files with 18 additions and 0 deletions
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BIN
config/external/icu/data/icudt71l.dat vendored
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1
intl/icu/data_filter.json
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@ -1,4 +1,5 @@
{
"collationUCAData": "implicithan",
"featureFilters": {
"brkitr_dictionaries": {
"filterType": "exclude"

17
js/src/tests/non262/Intl/Collator/implicithan.js Normal file
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@ -0,0 +1,17 @@
// |reftest| skip-if(!this.hasOwnProperty("Intl"))
/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
let scrambled = ['𠙶', '𠇲', '㓙', '㑧', '假', '凷'];
// Sort first by block and then by radical-stroke inside each block.
// This matches the ICU/ICU4X implicithan root order, which is used
// by Chrome as of October 2022. (As of October 2022, Safari uses
// the unihan root order, which uses more data but uses radical-stroke
// across blocks.)
const byBlock = ['假', '凷', '㑧', '㓙', '𠇲', '𠙶'];
scrambled.sort(new Intl.Collator().compare);
assertEqArray(scrambled, byBlock);
reportCompare(0, 0, 'ok');