CHGenerator/Sources/Generator/Processing/DependencyCheck.swift

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import Foundation
func checkDependencies() -> Bool {
print("--- DEPENDENCIES -----------------------------------")
print(" ")
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defer { print(" ") }
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var valid = true
valid = checkImageOptimAvailability() && valid
valid = checkMagickAvailability() && valid
valid = checkCwebpAvailability() && valid
valid = checkAvifAvailability() && valid
valid = checkUglifyJsAvailability() && valid
valid = checkCleanCssAvailability() && valid
return valid
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}
private func checkImageOptimAvailability() -> Bool {
do {
let output = try safeShell("imageoptim --version")
let version = output.components(separatedBy: ".").compactMap { Int($0.trimmed) }
if version.count > 1 {
print(" ImageOptim: \(version.map { "\($0)" }.joined(separator: "."))")
} else {
print(" ImageOptim: Not found")
return false
}
} catch {
print(" ImageOptim: Failed to get version (\(error))")
return false
}
return true
}
private func checkMagickAvailability() -> Bool {
do {
let output = try safeShell("magick --version")
guard let version = output.components(separatedBy: "ImageMagick ").dropFirst().first?
.components(separatedBy: " ").first else {
print(" Magick: Not found")
return false
}
print(" Magick: \(version)")
} catch {
print(" Magick: Failed to get version (\(error))")
return false
}
return true
}
private func checkCwebpAvailability() -> Bool {
do {
let output = try safeShell("cwebp -version")
let version = output.components(separatedBy: ".").compactMap { Int($0.trimmed) }
if version.count > 1 {
print(" cwebp: \(version.map { "\($0)" }.joined(separator: "."))")
} else {
print(" cwebp: Not found")
return false
}
} catch {
print(" cwebp: Failed to get version (\(error))")
return false
}
return true
}
private func checkAvifAvailability() -> Bool {
do {
let output = try safeShell("npx avif --version")
let version = output.components(separatedBy: ".").compactMap { Int($0.trimmed) }
if version.count > 1 {
print(" avif: \(version.map { "\($0)" }.joined(separator: "."))")
} else {
print(" avif: Not found")
return false
}
} catch {
print(" avif: Failed to get version (\(error))")
return false
}
return true
}
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private func checkUglifyJsAvailability() -> Bool {
do {
let output = try safeShell("uglifyjs --version")
let version = output.dropBeforeFirst("uglify-js").components(separatedBy: ".").compactMap { Int($0.trimmed) }
if version.count > 1 {
print(" uglify-js: \(version.map { "\($0)" }.joined(separator: "."))")
} else {
print("'\(output)'")
print(" uglify-js: Not found")
return false
}
} catch {
print(" uglify-js: Failed to get version (\(error))")
return false
}
return true
}
private func checkCleanCssAvailability() -> Bool {
do {
let output = try safeShell("cleancss --version")
let version = output.components(separatedBy: ".").compactMap { Int($0.trimmed) }
if version.count > 1 {
print(" cleancss: \(version.map { "\($0)" }.joined(separator: "."))")
} else {
print(" cleancss: Not found")
return false
}
} catch {
print(" cleancss: Failed to get version (\(error))")
return false
}
return true
}