const (
	// These are arranged such that ESNext is the default zero value and such
	// that earlier releases are less than later releases
	ES2015 = -6
	ES2016 = -5
	ES2017 = -4
	ES2018 = -3
	ES2019 = -2
	ES2020 = -1
	ESNext = 0
)

type DefineFunc func(FindSymbol) ast.E

type DotDefine struct {
	Parts      []string
	DefineFunc DefineFunc

	// This is used to whitelist certain functions that are known to be safe to
	// remove if their result is unused
	CanBeRemovedIfUnused bool
}

type FindSymbol func(name string) ast.Ref

type JSXOptions struct {
	Parse    bool
	Factory  []string
	Fragment []string
}

type LanguageTarget int8

type ParseJSONOptions struct {
	AllowComments       bool
	AllowTrailingCommas bool
}

type ParseOptions struct {
	// true: imports are scanned and bundled along with the file
	// false: imports are left alone and the file is passed through as-is
	IsBundling bool

	Defines      *ProcessedDefines
	MangleSyntax bool
	OmitWarnings bool
	TS           TypeScriptOptions
	JSX          JSXOptions
	Target       LanguageTarget
}

type ProcessedDefines struct {
	IdentifierDefines map[string]DefineFunc
	DotDefines        map[string][]DotDefine
}

type TypeScriptOptions struct {
	Parse bool
}