type BuildOptions struct {
	Color    StderrColor
	LogLimit int
	LogLevel LogLevel

	Sourcemap      SourceMap
	SourcesContent SourcesContent

	Target  Target
	Engines []Engine

	MinifyWhitespace  bool
	MinifyIdentifiers bool
	MinifySyntax      bool
	Charset           Charset
	TreeShaking       TreeShaking

	JSXFactory  string
	JSXFragment string

	Define    map[string]string
	Pure      []string
	KeepNames bool

	GlobalName        string
	Bundle            bool
	PreserveSymlinks  bool
	Splitting         bool
	Outfile           string
	Metafile          bool
	Outdir            string
	Outbase           string
	AbsWorkingDir     string
	Platform          Platform
	Format            Format
	External          []string
	MainFields        []string
	Conditions        []string // For the "exports" field in "package.json"
	Loader            map[string]Loader
	ResolveExtensions []string
	Tsconfig          string
	OutExtensions     map[string]string
	PublicPath        string
	Inject            []string
	Banner            map[string]string
	Footer            map[string]string
	NodePaths         []string // The "NODE_PATH" variable from Node.js

	EntryNames string
	ChunkNames string
	AssetNames string

	EntryPoints []string
	Stdin       *StdinOptions
	Write       bool
	Incremental bool
	Plugins     []Plugin

	Watch *WatchMode
}

type BuildResult struct {
	Errors   []Message
	Warnings []Message

	OutputFiles []OutputFile
	Metafile    string

	Rebuild func() BuildResult // Only when "Incremental: true"
	Stop    func()             // Only when "Watch: true"
}

type Charset uint8

const (
	CharsetDefault Charset = iota
	CharsetASCII
	CharsetUTF8
)

type Engine struct {
	Name    EngineName
	Version string
}

type EngineName uint8

const (
	EngineChrome EngineName = iota
	EngineEdge
	EngineFirefox
	EngineIOS
	EngineNode
	EngineSafari
)

type Format uint8

const (
	FormatDefault Format = iota
	FormatIIFE
	FormatCommonJS
	FormatESModule
)

type Loader uint8

const (
	LoaderNone Loader = iota
	LoaderJS
	LoaderJSX
	LoaderTS
	LoaderTSX
	LoaderJSON
	LoaderText
	LoaderBase64
	LoaderDataURL
	LoaderFile
	LoaderBinary
	LoaderCSS
	LoaderDefault
)

type Location struct {
	File      string
	Namespace string
	Line      int // 1-based
	Column    int // 0-based, in bytes
	Length    int // in bytes
	LineText  string
}

type LogLevel uint8

const (
	LogLevelSilent LogLevel = iota
	LogLevelInfo
	LogLevelWarning
	LogLevelError
)

type Message struct {
	Text     string
	Location *Location
	Notes    []Note

	// Optional user-specified data that is passed through unmodified. You can
	// use this to stash the original error, for example.
	Detail interface{}
}

type Note struct {
	Text     string
	Location *Location
}

type OnLoadArgs struct {
	Path       string
	Namespace  string
	PluginData interface{}
}

type OnLoadOptions struct {
	Filter    string
	Namespace string
}

type OnLoadResult struct {
	PluginName string

	Errors   []Message
	Warnings []Message

	Contents   *string
	ResolveDir string
	Loader     Loader
	PluginData interface{}
}

type OnResolveArgs struct {
	Path       string
	Importer   string
	Namespace  string
	ResolveDir string
	Kind       ResolveKind
	PluginData interface{}
}

type OnResolveOptions struct {
	Filter    string
	Namespace string
}

type OnResolveResult struct {
	PluginName string

	Errors   []Message
	Warnings []Message

	Path       string
	External   bool
	Namespace  string
	PluginData interface{}
}

type OutputFile struct {
	Path     string
	Contents []byte
}

type Platform uint8

const (
	PlatformBrowser Platform = iota
	PlatformNode
	PlatformNeutral
)

type Plugin struct {
	Name  string
	Setup func(PluginBuild)
}

type PluginBuild struct {
	InitialOptions *BuildOptions
	OnResolve      func(options OnResolveOptions, callback func(OnResolveArgs) (OnResolveResult, error))
	OnLoad         func(options OnLoadOptions, callback func(OnLoadArgs) (OnLoadResult, error))
}

type ResolveKind uint8

const (
	ResolveEntryPoint ResolveKind = iota
	ResolveJSImportStatement
	ResolveJSRequireCall
	ResolveJSDynamicImport
	ResolveJSRequireResolve
	ResolveCSSImportRule
	ResolveCSSURLToken
)

type ServeOnRequestArgs struct {
	RemoteAddress string
	Method        string
	Path          string
	Status        int
	TimeInMS      int // The time to generate the response, not to send it
}

type ServeOptions struct {
	Port      uint16
	Host      string
	Servedir  string
	OnRequest func(ServeOnRequestArgs)
}

type ServeResult struct {
	Port uint16
	Host string
	Wait func() error
	Stop func()
}

type SourceMap uint8

const (
	SourceMapNone SourceMap = iota
	SourceMapInline
	SourceMapLinked
	SourceMapExternal
	SourceMapInlineAndExternal
)

type SourcesContent uint8

const (
	SourcesContentInclude SourcesContent = iota
	SourcesContentExclude
)

type StderrColor uint8

const (
	ColorIfTerminal StderrColor = iota
	ColorNever
	ColorAlways
)

type StdinOptions struct {
	Contents   string
	ResolveDir string
	Sourcefile string
	Loader     Loader
}

type Target uint8

const (
	ESNext Target = iota
	ES5
	ES2015
	ES2016
	ES2017
	ES2018
	ES2019
	ES2020
)

type TransformOptions struct {
	Color    StderrColor
	LogLimit int
	LogLevel LogLevel

	Sourcemap      SourceMap
	SourcesContent SourcesContent

	Target     Target
	Format     Format
	GlobalName string
	Engines    []Engine

	MinifyWhitespace  bool
	MinifyIdentifiers bool
	MinifySyntax      bool
	Charset           Charset
	TreeShaking       TreeShaking

	JSXFactory  string
	JSXFragment string
	TsconfigRaw string
	Footer      string
	Banner      string

	Define    map[string]string
	Pure      []string
	KeepNames bool

	Sourcefile string
	Loader     Loader
}

type TransformResult struct {
	Errors   []Message
	Warnings []Message

	Code []byte
	Map  []byte
}

type TreeShaking uint8

const (
	TreeShakingDefault TreeShaking = iota
	TreeShakingIgnoreAnnotations
)

type WatchMode struct {
	OnRebuild func(BuildResult)
}