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hELLO ยท Designed By ์ •์ƒ์šฐ.
Rainbow๐ŸŒˆCoder

My dev Note๐Ÿ“’

์ฑ… ๋ฆฌ๋ทฐ/๋ฆฌํŒฉํ† ๋ง(์ž๋ฐ”์Šคํฌ๋ฆฝํŠธํŒ)

[๋ฆฌํŒฉํ„ฐ๋ง 2ํŒ] 12.11 ์Šˆํผํด๋ž˜์Šค๋ฅผ ์œ„์ž„์œผ๋กœ ๋ฐ”๊พธ๊ธฐ

2022. 12. 6. 18:23
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1.  ์Šˆํผํด๋ž˜์Šค๋ฅผ ์œ„์ž„์œผ๋กœ ๋ฐ”๊พธ์–ด์•ผ ํ•  ๋•Œ

๊ธฐ๋Šฅ์„ ์˜จ์ „ํžˆ ์‚ฌ์šฉํ•  ์ˆ˜ ์—†๊ณ  ์–ด์šธ๋ฆฌ์ง€ ์•Š์€ ํด๋ž˜์Šค๋ฅผ ์ƒ์†ํ–ˆ์„ ๋•Œ,
์ƒ์†์„ ๋จผ์ € ์ ์šฉํ–ˆ๋‹ค๊ฐ€ ๋ฌธ์ œ๊ฐ€ ์ƒ๊ฒผ์„ ๋•Œ

๊ฐ์ฒด ์ง€ํ–ฅ์—์„œ ์ƒ์†์ด ํ˜ผ๋ž€๊ณผ ๋ณต์žก๋„๋ฅผ ํ‚ค์šธ ์ˆ˜๋„ ์žˆ๋‹ค.

์ƒ์†์„ ์ž˜๋ชป ์ ์šฉํ•œ ์˜ˆ๋กœ๋Š” ์ž๋ฐ”์˜ ์Šคํƒ ํด๋ž˜์Šค๊ฐ€ ์œ ๋ช…ํ•˜๋‹ค. ์ž๋ฐ”์˜ ์Šคํƒ์€ ๋ฆฌ์ŠคํŠธ๋ฅผ ์ƒ์†ํ•˜๊ณ  ์žˆ๋Š”๋ฐ,

๋ฐ์ดํ„ฐ๋ฅผ ์ €์žฅํ•˜๊ณ  ์กฐ์ž‘ํ•˜๋Š” ๋ฆฌ์ŠคํŠธ์˜ ๊ธฐ๋Šฅ์„ ์žฌํ™œ์šฉํ•˜๊ฒ ๋‹ค๋Š” ์ƒ๊ฐ์ด ์ดˆ๋ž˜ํ•œ ๊ฒฐ๊ณผ๋‹ค. 

 

์ตœ์•…์€

๋ฆฌ์ŠคํŠธ(์Šˆํผํด๋ž˜์Šค)์˜ ์—ฐ์‚ฐ ์ค‘ ์Šคํƒ(์„œ๋ธŒํด๋ž˜์Šค)์—๋Š” ์ ์šฉ๋˜์ง€ ์•Š๋Š” ๊ฒŒ ๋งŽ์Œ์—๋„ ๊ทธ ๋ชจ๋“  ์—ฐ์‚ฐ์ด ์Šคํƒ ์ธํ„ฐํŽ˜์ด์Šค์— ๊ทธ๋Œ€๋กœ ๋…ธ์ถœ๋œ๋‹ค๋Š” ๊ฒƒ

๋ฆฌ์Šค์ฝ”ํ”„ ์น˜ํ™˜ ์›์น™ : ์„œ๋ธŒ ํด๋ž˜์Šค๋Š” ์Šˆํผ ํด๋ž˜์Šค ์ž๋ฆฌ๋ฅผ ๋Œ€์ฒดํ•˜๋”๋ผ๋„ ์ž˜ ๋™์ž‘ํ•ด์•ผ ํ•œ๋‹ค. 

์ž๋ฐ”์˜ ์Šคํƒ์ฒ˜๋Ÿผ, ์Šˆํผํด๋ž˜์Šค์˜ ๊ธฐ๋Šฅ๋“ค์ด ์„œ๋ธŒํด๋ž˜์Šค์— ์–ด์šธ๋ฆฌ์ง€ ์•Š๋Š”๋‹ค๋ฉด ๊ทธ ๊ธฐ๋Šฅ๋“ค์„ ์ƒ์†์„ ํ†ตํ•ด ์ด์šฉํ•˜๋ฉด ์•ˆ๋œ๋‹ค๋Š” ์‹ ํ˜ธ๋‹ค.

์ด๋‹ค.

 

์ œ๋Œ€๋กœ ๋œ ์ƒ์†์ด๋ผ๋ฉด ์„œ๋ธŒํด๋ž˜์Šค๊ฐ€ ์Šˆํผํด๋ž˜์Šค์˜ ๋ชจ๋“  ๊ธฐ๋Šฅ์„ ์‚ฌ์šฉํ•จ์€ ๋ฌผ๋ก , ์„œ๋ธŒํด๋ž˜์Šค์˜ ์ธ์Šคํ„ด์Šค๋ฅผ ์Šˆํผํด๋ž˜์Šค์˜ ์ธ์Šคํ„ด์Šค๋กœ๋„ ์ทจ๊ธ‰ํ•  ์ˆ˜ ์žˆ์–ด์•ผ ํ•œ๋‹ค.

๋”ฐ๋ผ์„œ, ์Šคํƒ์—์„œ ๋ฆฌ์ŠคํŠธ ๊ฐ์ฒด๋ฅผ ํ•„๋“œ์— ์ €์žฅํ•ด๋‘๊ณ  ํ•„์š”ํ•œ ๊ธฐ๋Šฅ๋งŒ ์œ„์ž„ํ–ˆ๋‹ค

๋ฉด ๋” ๋ฉ‹์กŒ์„ ๊ฒƒ์ด๋‹ค.

 

์Šˆํผ/์„œ๋ธŒ ํด๋ž˜์Šค๋Š” ๊ฐ•ํ•˜๊ฒŒ ๊ฒฐํ•ฉ๋œ ๊ด€๊ณ„๋ผ์„œ ์Šˆํผํด๋ž˜์Šค๋ฅผ ์ˆ˜์ •ํ•˜๋ฉด ์„œ๋ธŒํด๋ž˜์Šค๊ฐ€ ๋ง๊ฐ€์ง€๊ธฐ ์‰ฝ๊ธฐ ๋•Œ๋ฌธ์— ์œ„์ž„์œผ๋กœ ๋ฐ”๊พธ๊ธฐ๋„ ํ•œ๋‹ค.

๋‹ค๋งŒ, ์œ„์ž„์˜ ๋‹จ์ ์€ ์œ„์ž„์˜ ๊ธฐ๋Šฅ์„ ์ด์šฉํ•  ํ˜ธ์ŠคํŠธ์˜ ํ•จ์ˆ˜ ๋ชจ๋‘๋ฅผ ์ „๋‹ฌ ํ•จ์ˆ˜๋กœ ๋งŒ๋“ค์–ด์•ผ ํ•œ๋‹ค๋Š” ์ ์ด๋‹ค. ์ „๋‹ฌ ํ•จ์ˆ˜๋ฅผ ์ž‘์„ฑํ•˜๋Š” ๊ฒƒ์€ ๋งค์šฐ ์ง€๋ฃจํ•˜์ง€๋งŒ ์•„์ฃผ ๋‹จ์ˆœํ•ด์„œ ๋ฌธ์ œ๊ฐ€ ์ƒ๊ธธ ๊ฐ€๋Šฅ์„ฑ์€ ์ ๋‹ค.

 

 

2. ์ ˆ์ฐจ ๋ฐ ํšจ๊ณผ

(1) ์Šˆํผ ํด๋ž˜์Šค ๊ฐ์ฒด๋ฅผ ์ฐธ์กฐํ•˜๋Š” ํ•„๋“œ๋ฅผ ์„œ๋ธŒํด๋ž˜์Šค์— ๋งŒ๋“ ๋‹ค.(์Šˆํผ ํด๋ž˜์Šค๊ฐ€ ์œ„์ž„ ๊ฐ์ฒด๊ฐ€ ๋  ๊ฒƒ์ด๋ฏ€๋กœ ์ด ํ•„๋“œ๋ฅผ '์œ„์ž„์ฐธ์กฐ'๋ผ ๋ถ€๋ฅด์ž)

(2) ์Šˆํผ ํด๋ž˜์Šค์˜ ๋™์ž‘ ๊ฐ๊ฐ์— ๋Œ€์‘ํ•˜๋Š” ์ „๋‹ฌ ํ•จ์ˆ˜๋ฅผ ์„œ๋ธŒํด๋ž˜์Šค์— ๋งŒ๋“ ๋‹ค(๋ฌผ๋ก  ์œ„์ž„ ์ฐธ์กฐ๋กœ ์ „๋‹ฌํ•œ๋‹ค) ์„œ๋กœ ๊ด€๋ จ๋œ ํ•จ์ˆ˜๋ผ๋ฆฌ ๊ทธ๋ฃน์œผ๋กœ ๋ฌถ์–ด ์ง„ํ–‰ํ•˜๋ฉฐ, ๊ทธ๋ฃน์„ ํ•˜๋‚˜์”ฉ ๋งŒ๋“ค ๋•Œ๋งˆ๋‹ค ํ…Œ์ŠคํŠธํ•œ๋‹ค.

 

Before

class List {//...}
class Stack extends Lists {//...}

After

class Stack {
	constructor(){
    	this._storage = new List();
    }
    //์ด๋ ‡๊ฒŒ ํ•˜๋ฉด ์ด์ œ Stack์€ List์™€ ์ƒ๊ด€์—†์ด ์›ํ•˜๋Š” Api๋“ค์„ ์™ธ๋ถ€์— ๋…ธ์ถœํ•  ์ˆ˜ ์žˆ๋‹ค.
    
    pop(){//...}
    
    push(){//...}
}

class List {//...}

 

์œ„์ž„์„ ์ด์šฉํ•˜์—ฌ ๊ธฐ๋Šฅ์˜ ์ผ๋ถ€๋งŒ ๋นŒ๋ ค์˜ค๊ณ , ์„œ๋กœ ๋ณ„๊ฐœ์ธ ๊ฐœ๋…์ž„์ด ๋ช…ํ™•ํ•ด์ง„๋‹ค.

3.  ์˜ˆ์‹œ

์ƒ์†์„ ๋Š๊ณ  ํ•˜์œ„ ํด๋ž˜์Šค์—์„œ ์œ„์ž„์„ ๋ฐ›์œผ๋ ค๋ฉด ์ƒ์œ„ ํด๋ž˜์Šค ๋ฐ›์„ ๋ณ€์ˆ˜๋ฅผ ํ•„๋“œ๊ฐ’์œผ๋กœ ์„ ์–ธํ•˜๋ฉด ๋œ๋‹ค.]

๊ทธ๋ฆฌ๊ณ  ์ƒ์„ฑ์ž์—์„œ ์ดˆ๊ธฐํ™”ํ•ด์ค€๋‹ค.

 

<1> ๋ฆฌํŒฉํ† ๋ง ์ „

 

class CatalogItem {
	constructor(id, title, tags) {
		this._id = id;
		this._title = title;
		this._tags = tags;
	}

	get id() {
		return this._id;
	}

	get title() {
		return this._title;
	}
}

class Scroll extends CatalogItem {
	constructor(id, title, tags, dateLastCleaned) {
		super(id, title, tags);
		this._lastCleaned = dateLastCleaned;
	}

	needsCleaning(targetDate) {
		const threshold = this.hasTag('revered') ? 700 : 1500;
        
        return this.daysSinceLastCleaning(targetData) > threshold; 
	}
}

 

<2> ๋ฆฌํŒฉํ† ๋ง ํ›„ 

 

class CatalogItem {
	constructor(id, title, tags) {
		this._id = id;
		this._title = title;
		this._tags = tags;
	}

	get id() {
		return this._id;
	}

	get title() {
		return this._title;
	}
}


class Scroll {
	#catalogItem;
	constructor(id, dateLastCleaned, catalogId, , catalog) {
		this._id = id;
		this._catalogItem = catalog.get(catalogId); //Repository ํŒจํ„ด
		this._lastCleaned = dateLastCleaned;
	}

	get id() {
		return this.id;
	}

	get title() {
		return this._catalogItem.title;
	}

	needsCleaning(targetDate) {
		const threshold = this.hasTag('revered') ? 700 : 1500;
		return this.daysSinceLastCleaning(targetData) > threshold;
	}
}

 

์ •๋ฆฌ

  • ์ƒ์†์„ ๋Š์œผ๋ ค๋ฉด ์œ„์ž„์„ ์‚ฌ์šฉํ•˜์ž!
  • ๋ถ€๋ชจ ํด๋ž˜์Šค๋ฅผ ํ•„๋“œ๊ฐ’์„ ์„ ์–ธํ•˜์ž!

 

์ฐธ๊ณ  ๋ฌธํ—Œ : https://m.blog.naver.com/fbfbf1/222892773497

https://vvs1.tistory.com/157

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