FilesExpand file tree

 develop

/

index.js

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

60 lines (49 loc) · 1.55 KB

 develop

/

index.js

Copy path

Top

File metadata and controls

• Code
• Blame

60 lines (49 loc) · 1.55 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

/*!

* encodeurl

* Copyright(c) 2016 Douglas Christopher Wilson

* MIT Licensed

*/

'use strict'

/**

* Module exports.

* @public

*/

module.exports = encodeUrl

/**

* RegExp to match non-URL code points, *after* encoding (i.e. not including "%")

* and including invalid escape sequences.

* @private

*/

var ENCODE_CHARS_REGEXP = /(?:[^\x21\x25\x26-\x3B\x3D\x3F-\x5B\x5D\x5F\x61-\x7A\x7E]|%(?:[^0-9A-Fa-f]|[0-9A-Fa-f][^0-9A-Fa-f]|$))+/g

/**

* RegExp to match unmatched surrogate pair.

* @private

*/

var UNMATCHED_SURROGATE_PAIR_REGEXP = /(^|[^\uD800-\uDBFF])[\uDC00-\uDFFF]|[\uD800-\uDBFF]([^\uDC00-\uDFFF]|$)/g

/**

* String to replace unmatched surrogate pair with.

* @private

*/

var UNMATCHED_SURROGATE_PAIR_REPLACE = '$1\uFFFD$2'

/**

* Encode a URL to a percent-encoded form, excluding already-encoded sequences.

*

* This function will take an already-encoded URL and encode all the non-URL

* code points. This function will not encode the "%" character unless it is

* not part of a valid sequence (`%20` will be left as-is, but `%foo` will

* be encoded as `%25foo`).

*

* This encode is meant to be "safe" and does not throw errors. It will try as

* hard as it can to properly encode the given URL, including replacing any raw,

* unpaired surrogate pairs with the Unicode replacement character prior to

* encoding.

*

* @param {string} url

* @return {string}

* @public

*/

function encodeUrl (url) {

return String(url)

.replace(UNMATCHED_SURROGATE_PAIR_REGEXP, UNMATCHED_SURROGATE_PAIR_REPLACE)

.replace(ENCODE_CHARS_REGEXP, encodeURI)

}