A fast path lexer. R3 inspired.
/posts/{id} use [^/]+ regular expression by default.
/posts/{id:\\d+} use `\d+` regular expression instead of default.
/posts/{id:\\d{4,8}} use `\d{4,8}` regular expression instead of default.
$ make bench
var pathing = require('pathing');
var tokens = pathing('/{controller}/{action}/{id:\\d+}');
/*
tokens:
[
{ name: 'SLASH', value: '/', pos: 0 },
{ name: 'PLACEHOLDER', value: 'controller', pos: 1, regexp: '[^/]+' },
{ name: 'SLASH', value: '/', pos: 13 },
{ name: 'PLACEHOLDER', value: 'action', pos: 14, regexp: '[^/]+' }
{ name: 'SLASH', value: '/', pos: 22 },
{ name: 'PLACEHOLDER', value: 'id', pos: 23, regexp: '\\d+' } ]
]
*/
var tokens = pathing('{year}-{month}-{day}');
/*
tokens:
[
{ name: 'PLACEHOLDER', value: 'year', pos: 0, regexp: '[^/]+' },
{ name: 'IDENTIFIER', value: '-', pos: 6 },
{ name: 'PLACEHOLDER', value: 'month', pos: 7, regexp: '[^/]+' },
{ name: 'IDENTIFIER', value: '-', pos: 14 },
{ name: 'PLACEHOLDER', value: 'day', pos: 15, regexp: '[^/]+' }
]
*/
var tokens = pathing('/posts/<id>', { open: '<', close: '>' });
/*
tokens:
[
{ name: 'SLASH', value: '/', pos: 0 },
{ name: 'IDENTIFIER', value: 'posts', pos: 1 },
{ name: 'SLASH', value: '/', pos: 6 },
{ name: 'PLACEHOLDER', value: 'id', pos: 7, regexp: '[^/]+' }
]
*/
path
String - A path.options
Object - Custom delimiters etc, Optional.open
String - Open tag, Defaults to{
.close
String - Close tag, Defaults to}
.
- open - Open tag.
- close - Close tag.
- token() - Return next token.
- tokens() - Return all tokens.
MIT