PKGBUILD

# Maintainer: JianQing Liu <me at pegasis dot site>
# Contributor: Maxwell Pray <synthead@gmail.com>

pkgname=discord-chat-exporter-cli
pkgver=2.36.4
pkgrel=1
pkgdesc="Export message history from a Discord channel to a file"
arch=('any')
url="https://github.com/Tyrrrz/DiscordChatExporter"
license=('GPL')
depends=('dotnet-runtime>=6')
makedepends=('unzip')
source=("https://github.com/Tyrrrz/DiscordChatExporter/archive/refs/tags/$pkgver.tar.gz")
sha256sums=('ad68262ceccc88cf8b1239b55202b6274cf8b44d5f29f839ee13a380fc0f1829')
options=("!strip")

build() {
  cd "$srcdir/DiscordChatExporter-$pkgver/DiscordChatExporter.Cli"

  dotnet build .

  dotnet publish . \
    -c Release \
    -o dist/linux-x64/ \
    -r linux-x64 \
    -p:PublishSingleFile=true \
    -p:PublishTrimmed=true \
    --self-contained true \
    /p:DebugType=None \
    /p:IncludeNativeLibrariesForSelfExtract=true
}

package() {
  install -Dm 755 \
    "$srcdir/DiscordChatExporter-$pkgver/DiscordChatExporter.Cli/dist/linux-x64/DiscordChatExporter.Cli" \
    "$pkgdir/usr/bin/DiscordChatExporter.Cli"
}

Thanks for this PKGBUILD. Note that this installs the binary as DiscordChatExporter.Cli, you may want to rename it to discord-chat-exporter-cli on line 36.