carton/Sources/carton-release/HashArchive.swift

98 lines
3.0 KiB
Swift

// Copyright 2020 Carton contributors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import ArgumentParser
import CartonHelpers
import Foundation
struct HashArchive: AsyncParsableCommand {
/** Converts a hexadecimal hash string to Swift code that represents an archive of static assets.
*/
private func arrayString(from hash: String) -> String {
precondition(hash.count == 64)
let commaSeparated = stride(from: 0, to: hash.count, by: 2)
.map { "0x\(hash.dropLast(hash.count - $0 - 2).suffix(2))" }
.joined(separator: ", ")
precondition(commaSeparated.count == 190)
return """
\(commaSeparated.prefix(95))
\(commaSeparated.suffix(94))
"""
}
func run() async throws {
let cwd = localFileSystem.currentWorkingDirectory!
let staticPath = try AbsolutePath(validating: "static", relativeTo: cwd)
var fileContent = """
import Foundation
public enum StaticResource {
"""
for entrypoint in ["dev", "bundle", "test", "testNode"] {
let tsFilename = "\(entrypoint).ts"
let filename = "\(entrypoint).js"
var arguments = [
"esbuild", "--bundle", "entrypoint/\(tsFilename)", "--outfile=static/\(filename)",
]
if entrypoint == "testNode" {
arguments.append(contentsOf: [
"--format=cjs", "--platform=node",
"--external:./JavaScriptKit_JavaScriptKit.resources/Runtime/index.js",
])
} else {
arguments.append(contentsOf: [
"--format=esm",
"--external:./JavaScriptKit_JavaScriptKit.resources/Runtime/index.mjs",
])
}
guard let npx = Process.findExecutable("npx") else {
fatalError("\"npx\" command not found in PATH")
}
try Foundation.Process.run(npx.asURL, arguments: arguments).waitUntilExit()
let entrypointPath = try AbsolutePath(validating: filename, relativeTo: staticPath)
// Base64 is not an efficient way, but too long byte array literal breaks type-checker
let base64Content = try localFileSystem.readFileContents(entrypointPath).withData {
$0.base64EncodedString()
}
fileContent += """
public static let \(entrypoint): Data = Data(base64Encoded: \"\(base64Content)\")!
"""
}
fileContent += """
}
"""
try localFileSystem.writeFileContents(
AbsolutePath(
cwd,
RelativePath(validating: "Sources").appending(
components: "CartonKit", "Server", "StaticArchive.swift")
),
bytes: ByteString(encodingAsUTF8: fileContent)
)
}
}