grapheme: Add `splitGraphemes()` utility #244

	name: Integration

	on:
	pull_request:
	branches:
	- main
	push:
	branches:
	- main

	jobs:
	build:
	name: Checking build
	runs-on: ubuntu-24.04
	steps:
	- name: Checkout Repo
	uses: actions/checkout@v4

	- name: Setup Node.js 20.x
	uses: actions/setup-node@v4
	with:
	node-version: 20
	cache: yarn

	- name: Install Dependencies
	run: yarn install --immutable

	- name: Build
	run: yarn build

	test:
	name: Running tests
	runs-on: ubuntu-24.04
	env:
	PREBUILT_BINARY: prebuilt/node-v24.0.0-pre-linux-x64_icu76.1
	steps:
	- name: Checkout Repo
	uses: actions/checkout@v4

	- name: Setup Node.js 20.x
	uses: actions/setup-node@v4
	with:
	node-version: 20
	cache: yarn

	- name: Install Dependencies
	run: yarn install --immutable

	- uses: actions/cache@v4
	id: cache-prebuilt-node
	with:
	key: ${{ env.PREBUILT_BINARY }}
	path: ${{ env.PREBUILT_BINARY }}

	- name: Install prebuilt Node.js with custom ICU
	if: steps.cache-prebuilt-node.cache-hit != 'true'
	run: \|
	mkdir -p "$(dirname $PREBUILT_BINARY)"
	curl -fsSL -o "$PREBUILT_BINARY" \
	"https://github-actions-assets.cometkim.dev/$PREBUILT_BINARY"
	chmod +x "$PREBUILT_BINARY"

	- name: Execute Tests
	run: \|
	$PREBUILT_BINARY \
	--test --test-reporter spec --test-reporter-destination=stdout \
	--experimental-test-coverage --test-reporter=lcov --test-reporter-destination=lcov.info

	- name: Upload coverage reports to Codecov
	uses: codecov/codecov-action@v4.0.1
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	slug: cometkim/unicode-segmenter
	file: lcov.info

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