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Code Issues Releases Wiki Activity

Optimise $tw.utils.parseStringArray()

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On my machine, the following test performed on the prerelease improves
from 40ms to 8ms with this patch:

```
var a =
$tw.utils.stringifyList($tw.wiki.allTitles());console.time();$tw.utils.p
arseStringArray(a);console.timeEnd()
```
This commit is contained in:
Jermolene 2017-02-19 18:08:15 +00:00
parent daf703b67f
commit 75b501f681
1 changed files with 3 additions and 2 deletions
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5
boot/boot.js
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@ -271,14 +271,15 @@ $tw.utils.stringifyList = function(value) {
$tw.utils.parseStringArray = function(value) { $tw.utils.parseStringArray = function(value) {
if(typeof value === "string") { if(typeof value === "string") {
var memberRegExp = /(?:^|[^\S\xA0])(?:\[\[(.*?)\]\])(?=[^\S\xA0]|$)|([\S\xA0]+)/mg, var memberRegExp = /(?:^|[^\S\xA0])(?:\[\[(.*?)\]\])(?=[^\S\xA0]|$)|([\S\xA0]+)/mg,
results = [], results = [], names = {},
match; match;
do { do {
match = memberRegExp.exec(value); match = memberRegExp.exec(value);
if(match) { if(match) {
var item = match[1] || match[2]; var item = match[1] || match[2];
if(item !== undefined && results.indexOf(item) === -1) { if(item !== undefined && !$tw.utils.hop(names,item)) {
results.push(item); results.push(item);
names[item] = true;
} }
} }
} while(match); } while(match);