Imports of package lexer

PathSynopsis
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/evanw/esbuild/internal/ast
github.com/evanw/esbuild/internal/logging
strconvPackage strconv implements conversions to and from string representations of basic data types.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.
unicodePackage unicode provides data and functions to test some properties of Unicode code points.
unicode/utf16Package utf16 implements encoding and decoding of UTF-16 sequences.
unicode/utf8Package utf8 implements functions and constants to support text encoded in UTF-8.