-
Notifications
You must be signed in to change notification settings - Fork 101
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
feat: implement connection state recovery
More information about how this feature is supposed to work will be provided in the main repository.
- Loading branch information
1 parent
d5c56d4
commit f529412
Showing
5 changed files
with
458 additions
and
10 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,65 @@ | ||
// imported from https://github.com/unshiftio/yeast | ||
"use strict"; | ||
|
||
const alphabet = | ||
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_".split( | ||
"" | ||
), | ||
length = 64, | ||
map = {}; | ||
let seed = 0, | ||
i = 0, | ||
prev; | ||
|
||
/** | ||
* Return a string representing the specified number. | ||
* | ||
* @param {Number} num The number to convert. | ||
* @returns {String} The string representation of the number. | ||
* @api public | ||
*/ | ||
export function encode(num) { | ||
let encoded = ""; | ||
|
||
do { | ||
encoded = alphabet[num % length] + encoded; | ||
num = Math.floor(num / length); | ||
} while (num > 0); | ||
|
||
return encoded; | ||
} | ||
|
||
/** | ||
* Return the integer value specified by the given string. | ||
* | ||
* @param {String} str The string to convert. | ||
* @returns {Number} The integer value represented by the string. | ||
* @api public | ||
*/ | ||
export function decode(str) { | ||
let decoded = 0; | ||
|
||
for (i = 0; i < str.length; i++) { | ||
decoded = decoded * length + map[str.charAt(i)]; | ||
} | ||
|
||
return decoded; | ||
} | ||
|
||
/** | ||
* Yeast: A tiny growing id generator. | ||
* | ||
* @returns {String} A unique id. | ||
* @api public | ||
*/ | ||
export function yeast() { | ||
const now = encode(+new Date()); | ||
|
||
if (now !== prev) return (seed = 0), (prev = now); | ||
return now + "." + encode(seed++); | ||
} | ||
|
||
// | ||
// Map each character to its index. | ||
// | ||
for (; i < length; i++) map[alphabet[i]] = i; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.