js_printer

Documentation

Index

• func CanEscapeIdentifier(name string, unsupportedJSFeatures compat.JSFeature, asciiOnly bool) bool
• func QuoteForJSON(text string, asciiOnly bool) []byte
• 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, unsupportedJSFeatures compat.JSFeature, asciiOnly bool) bool

func QuoteForJSON

func QuoteForJSON(text string, asciiOnly bool) []byte

func QuoteIdentifier

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

Types

type Options

type Options struct {
	OutputFormat                 config.Format
	RemoveWhitespace             bool
	MangleSyntax                 bool
	ASCIIOnly                    bool
	LegalComments                config.LegalComments
	AddSourceMappings            bool
	Indent                       int
	ToCommonJSRef                js_ast.Ref
	ToESMRef                     js_ast.Ref
	RuntimeRequireRef            js_ast.Ref
	UnsupportedFeatures          compat.JSFeature
	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

	// 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

	// 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
}

type PrintResult

type PrintResult struct {
	JS []byte

	// 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

	ExtractedLegalComments map[string]bool
}

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
}