js_printer

Documentation

Index

• func CanEscapeIdentifier(name string, UnsupportedFeatures compat.JSFeature, asciiOnly bool) bool
• func QuoteIdentifier(js []byte, name string, unsupportedFeatures compat.JSFeature) []byte
• type Options
• type PrintResult
  • func Print(tree js_ast.AST, symbols js_ast.SymbolMap, r renamer.Renamer, options Options) PrintResult
• type RequireOrImportMeta

Functions

func CanEscapeIdentifier

func CanEscapeIdentifier(name string, UnsupportedFeatures compat.JSFeature, asciiOnly bool) bool

func QuoteIdentifier

func QuoteIdentifier(js []byte, name string, unsupportedFeatures compat.JSFeature) []byte

Types

type Options

type Options struct {
	RequireOrImportMetaForSource func(uint32) RequireOrImportMeta

	// Cross-module inlining of TypeScript enums is actually done during printing
	TSEnums map[js_ast.Ref]map[string]js_ast.TSEnumValue

	// Cross-module inlining of detected inlinable constants is also done during printing
	ConstValues map[js_ast.Ref]js_ast.ConstValue

	// Property mangling results go here
	MangledProps map[js_ast.Ref]string

	// This will be present if the input file had a source map. In that case we
	// want to map all the way back to the original input file(s).
	InputSourceMap *sourcemap.SourceMap

	// If we're writing out a source map, this table of line start indices lets
	// us do binary search on to figure out what line a given AST node came from
	LineOffsetTables []sourcemap.LineOffsetTable

	ToCommonJSRef       js_ast.Ref
	ToESMRef            js_ast.Ref
	RuntimeRequireRef   js_ast.Ref
	UnsupportedFeatures compat.JSFeature
	Indent              int
	OutputFormat        config.Format
	MinifyWhitespace    bool
	MinifyIdentifiers   bool
	MinifySyntax        bool
	ASCIIOnly           bool
	LegalComments       config.LegalComments
	SourceMap           config.SourceMap
	AddSourceMappings   bool
	NeedsMetafile       bool
}

type PrintResult

type PrintResult struct {
	JS                     []byte
	ExtractedLegalComments []string
	JSONMetadataImports    []string

	// This source map chunk just contains the VLQ-encoded offsets for the "JS"
	// field above. It's not a full source map. The bundler will be joining many
	// source map chunks together to form the final source map.
	SourceMapChunk sourcemap.Chunk
}

func Print

func Print(tree js_ast.AST, symbols js_ast.SymbolMap, r renamer.Renamer, options Options) PrintResult

type RequireOrImportMeta

type RequireOrImportMeta struct {
	// CommonJS files will return the "require_*" wrapper function and an invalid
	// exports object reference. Lazily-initialized ESM files will return the
	// "init_*" wrapper function and the exports object for that file.
	WrapperRef     js_ast.Ref
	ExportsRef     js_ast.Ref
	IsWrapperAsync bool
}