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Re-use previous result instead of re-parse it all over again

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Faisal Salman 2023-04-05 22:28:35 +07:00
parent 5d2acd8fe7
commit 4711805a1c
1 changed files with 36 additions and 28 deletions
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64
src/ua-parser.js
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@ -847,9 +847,13 @@
}
UAParserData.prototype.withClientHints = function () {
var prevData = this;
// nodejs / non-client-hints browsers
if (!NAVIGATOR_UADATA) {
return new UAParserItem(itemType, ua, rgxMap, uaCH).parseCH().get();
var item = new UAParserItem(itemType, ua, rgxMap, uaCH);
item.data = prevData;
return item.parseCH().get();
}
// browsers based on chromium 85+
@ -857,7 +861,9 @@
.getHighEntropyValues(CH_ALL_VALUES)
.then(function (res) {
var JS_UACH = new UAParserDataCH(res, false);
return new UAParserItem(itemType, ua, rgxMap, JS_UACH).parseCH().get();
var item = new UAParserItem(itemType, ua, rgxMap, JS_UACH);
item.data = prevData;
return item.parseCH().get();
});
};
@ -944,8 +950,29 @@
['rgxMap', rgxMap],
['data', createUAParserData(itemType, ua, rgxMap, uaCH)]
]);
this.parse();
var isSelfNav = NAVIGATOR && NAVIGATOR.userAgent == ua;
if(this.itemType == UA_RESULT) {
var createUAParserItem = function (itemType) {
return new UAParserItem(itemType, ua, rgxMap[itemType], uaCH).parseUA().get();
};
this.set('ua', ua)
.set(UA_BROWSER, createUAParserItem(UA_BROWSER))
.set(UA_CPU, createUAParserItem(UA_CPU))
.set(UA_DEVICE, createUAParserItem(UA_DEVICE))
.set(UA_ENGINE, createUAParserItem(UA_ENGINE))
.set(UA_OS, createUAParserItem(UA_OS))
.get();
}
return this;
}
UAParserItem.prototype.get = function (prop) {
if (!prop) return this.data;
return this.data.hasOwnProperty(prop) ? this.data[prop] : undefined;
};
UAParserItem.prototype.parseUA = function () {
if (this.itemType != UA_RESULT) {
rgxMapper.call(this.data, this.ua, this.rgxMap);
}
var isSelfNav = NAVIGATOR && NAVIGATOR.userAgent == this.ua;
switch(this.itemType) {
case UA_BROWSER:
// Brave-specific detection
@ -968,28 +995,6 @@
if (isSelfNav && !this.get(NAME) && NAVIGATOR_UADATA && NAVIGATOR_UADATA[PLATFORM]) {
this.set(NAME, NAVIGATOR_UADATA[PLATFORM]);
}
break;
case UA_RESULT:
var createUAParserItem = function (itemType) {
return new UAParserItem(itemType, ua, rgxMap[itemType], uaCH).get();
};
this.set('ua', ua)
.set(UA_BROWSER, createUAParserItem(UA_BROWSER))
.set(UA_CPU, createUAParserItem(UA_CPU))
.set(UA_DEVICE, createUAParserItem(UA_DEVICE))
.set(UA_ENGINE, createUAParserItem(UA_ENGINE))
.set(UA_OS, createUAParserItem(UA_OS))
.get();
}
return this;
}
UAParserItem.prototype.get = function (prop) {
if (!prop) return this.data;
return this.data.hasOwnProperty(prop) ? this.data[prop] : undefined;
};
UAParserItem.prototype.parse = function () {
if (this.itemType != UA_RESULT) {
rgxMapper.call(this.data, this.ua, this.rgxMap);
}
return this;
};
@ -1038,8 +1043,11 @@
}
break;
case UA_RESULT:
var prevData = this.data;
var createUAParserItemWithCH = function (itemType) {
return new UAParserItem(itemType, ua, rgxMap[itemType], uaCH).parseCH().get();
var item = new UAParserItem(itemType, ua, rgxMap[itemType], uaCH);
item.data = prevData[itemType];
return item.parseCH().get();
};
this.set('ua', ua)
.set(UA_BROWSER, createUAParserItemWithCH(UA_BROWSER))
@ -1092,7 +1100,7 @@
createUAParserItemFunc = function (itemType) {
return function () {
return new UAParserItem(itemType, userAgent, itemType == UA_RESULT ? regexMap : regexMap[itemType], HTTP_UACH).get();
return new UAParserItem(itemType, userAgent, itemType == UA_RESULT ? regexMap : regexMap[itemType], HTTP_UACH).parseUA().get();
};
};