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[英]How do I take javascript identical functions and make then into a reusable function?
[英]Javascript reusable functions
我有2個功能具有相同的邏輯(例如:在控制台中打印多個串聯的元素),但具有一種特殊性。 簡單的方法是指定參數的特異性,如下所示:
function baseLogic (specific, general) {
// ... many processes before here
if(specific == "info") console.info(general)
if(specific == "warn") console.warn(general)
}
// Calls
baseLogic("info", "foo")
baseLogic("warn", "bar")
但是,我想用函數而不是像這樣處理這種特殊性:
function baseLogic (specific, general) {
// ... many processes before here
if(specific == "info") console.info(general)
if(specific == "warn") console.warn(general)
}
function info(general) {
baseLogic("info", general)
}
function warn(general) {
baseLogic("warn", general)
}
// Calls
info("foo")
warn("foo")
問題是,例如,當我想添加/刪除參數時,我需要在任何地方添加/刪除參數
有什么辦法可以做得更好?
像這樣的東西:
function baseLogic (specific, general) {
// ... many processes before here
if(specific == "info") console.info(general)
if(specific == "warn") console.warn(general)
}
info = baseLogic("info")
warn = baseLogic("warn")
// Calls
info("foo")
warn("bar")
提前致謝 !
也許您正在尋找的是咖喱函數 :
// no curry
const sum = (a, b) => a + b
// no curry usage
sum(3, 4)
// curry
const sum = a => b => a + b
// curry usage
sum (2)(1);
參考: https : //medium.com/front-end-weekly/javascript-es6-curry-functions-with-practical-examples-6ba2ced003b1
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