diff --git a/README.md b/README.md index 51abd25..4b838f2 100644 --- a/README.md +++ b/README.md @@ -1 +1,146 @@ -# javascript-subway-final \ No newline at end of file +# ๐Ÿš‡ ์ง€ํ•˜์ฒ  ๋…ธ์„ ๋„ ๊ฒฝ๋กœ ์กฐํšŒ ๋ฏธ์…˜ +- ๋“ฑ๋ก๋œ ์ง€ํ•˜์ฒ  ๋…ธ์„ ๋„์—์„œ ๊ฒฝ๋กœ๋ฅผ ์กฐํšŒํ•˜๋Š” ๊ธฐ๋Šฅ์„ ๊ตฌํ˜„ํ•œ๋‹ค. + +## ๐Ÿš€ ๊ธฐ๋Šฅ ์š”๊ตฌ์‚ฌํ•ญ +> ํ”„๋ฆฌ์ฝ”์Šค 3์ฃผ์ฐจ ๋ฏธ์…˜์—์„œ ์‚ฌ์šฉํ•œ ์ฝ”๋“œ๋ฅผ ์ฐธ๊ณ ํ•ด๋„ ๋ฌด๊ด€ํ•˜๋‹ค. + +### ์ดˆ๊ธฐ ์„ค์ • +- ํ”„๋กœ๊ทธ๋žจ ์‹œ์ž‘ ์‹œ ์—ญ, ๋…ธ์„ , ๊ตฌ๊ฐ„ ๋ฐ์ดํ„ฐ๋ฅผ ์ดˆ๊ธฐ ์„ค์ • ํ•ด์•ผ ํ•œ๋‹ค. +- ๊ฑฐ๋ฆฌ์™€ ์†Œ์š” ์‹œ๊ฐ„์€ ์–‘์˜ ์ •์ˆ˜์ด๋ฉฐ ๋‹จ์œ„๋Š” km์™€ ๋ถ„์„ ์˜๋ฏธํ•œ๋‹ค. +- ์•„๋ž˜์˜ ์‚ฌ์ „ ๋“ฑ๋ก ์ •๋ณด๋กœ ๋ฐ˜๋“œ์‹œ ์ดˆ๊ธฐ ์„ค์ •์„ ํ•œ๋‹ค. + +``` +1. ์ง€ํ•˜์ฒ ์—ญ์œผ๋กœ ๊ต๋Œ€, ๊ฐ•๋‚จ, ์—ญ์‚ผ, ๋‚จ๋ถ€ํ„ฐ๋ฏธ๋„, ์–‘์žฌ, ์–‘์žฌ์‹œ๋ฏผ์˜์ˆฒ, ๋งค๋ด‰ ์—ญ ์ •๋ณด๊ฐ€ ๋“ฑ๋ก๋˜์–ด ์žˆ๋‹ค. +2. ์ง€ํ•˜์ฒ  ๋…ธ์„ ์œผ๋กœ 2ํ˜ธ์„ , 3ํ˜ธ์„ , ์‹ ๋ถ„๋‹น์„ ์ด ๋“ฑ๋ก๋˜์–ด ์žˆ๋‹ค. +3. ๋…ธ์„ ์— ์—ญ์ด ์•„๋ž˜์™€ ๊ฐ™์ด ๋“ฑ๋ก๋˜์–ด ์žˆ๋‹ค.(์™ผ์ชฝ ๋์ด ์ƒํ–‰ ์ข…์ ) + - 2ํ˜ธ์„ : ๊ต๋Œ€ - ( 2km / 3๋ถ„ ) - ๊ฐ•๋‚จ - ( 2km / 3๋ถ„ ) - ์—ญ์‚ผ + - 3ํ˜ธ์„ : ๊ต๋Œ€ - ( 3km / 2๋ถ„ ) - ๋‚จ๋ถ€ํ„ฐ๋ฏธ๋„ - ( 6km / 5๋ถ„ ) - ์–‘์žฌ - ( 1km / 1๋ถ„ ) - ๋งค๋ด‰ + - ์‹ ๋ถ„๋‹น์„ : ๊ฐ•๋‚จ - ( 2km / 8๋ถ„ ) - ์–‘์žฌ - ( 10km / 3๋ถ„ ) - ์–‘์žฌ์‹œ๋ฏผ์˜์ˆฒ +``` + +### ๊ฒฝ๋กœ ์กฐํšŒ ๊ธฐ๋Šฅ + + +- ์ถœ๋ฐœ์—ญ๊ณผ ๋„์ฐฉ์—ญ์„ ์ž…๋ ฅ๋ฐ›์•„ ๊ฒฝ๋กœ๋ฅผ ์กฐํšŒํ•œ๋‹ค. +- ๊ฒฝ๋กœ ์กฐํšŒ ์‹œ ์ด ๊ฑฐ๋ฆฌ, ์ด ์†Œ์š” ์‹œ๊ฐ„์„ ํ•จ๊ป˜ ์ถœ๋ ฅํ•œ๋‹ค. +- ๊ฒฝ๋กœ ์กฐํšŒ ์‹œ `์ตœ๋‹จ ๊ฑฐ๋ฆฌ` ๋˜๋Š” `์ตœ์†Œ ์‹œ๊ฐ„` ์˜ต์…˜์„ ์„ ํƒํ•  ์ˆ˜ ์žˆ๋‹ค. + +### ์˜ˆ์™ธ ์ฒ˜๋ฆฌ +- ์ถœ๋ฐœ์—ญ๊ณผ ๋„์ฐฉ์—ญ์€ 2๊ธ€์ž ์ด์ƒ์ด์–ด์•ผ ํ•œ๋‹ค. +- ์กด์žฌํ•˜์ง€ ์•Š๋Š” ์—ญ์„ ์ถœ๋ฐœ์—ญ ๋˜๋Š” ๋„์ฐฉ์—ญ์œผ๋กœ ์ž…๋ ฅํ•  ์ˆ˜ ์—†๋‹ค. +- ๊ฒฝ๋กœ ์กฐํšŒ ์‹œ ์ถœ๋ฐœ์—ญ๊ณผ ๋„์ฐฉ์—ญ์ด ๊ฐ™์„ ์ˆ˜ ์—†๋‹ค. +- ๊ฒฝ๋กœ ์กฐํšŒ ์‹œ ์ถœ๋ฐœ์—ญ๊ณผ ๋„์ฐฉ์—ญ์ด ์—ฐ๊ฒฐ๋˜์ง€ ์•Š์œผ๋ฉด ๊ฒฝ๋กœ๋ฅผ ์กฐํšŒํ•  ์ˆ˜ ์—†๋‹ค. +- ๊ทธ ์™ธ ์ •์ƒ์ ์œผ๋กœ ํ”„๋กœ๊ทธ๋žจ์ด ์ˆ˜ํ–‰๋˜์ง€ ์•Š์€ ๊ฒฝ์šฐ `alert`์œผ๋กœ ์—๋Ÿฌ๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค. + +
+ +## ๐Ÿ’ป ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์‹คํ–‰ ๊ฒฐ๊ณผ +### ๊ฒฝ๋กœ ์กฐํšŒ + + + +## โœ… ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์š”๊ตฌ์‚ฌํ•ญ +### ๊ธธ์ฐพ๊ธฐ ๊ด€๋ จ ๊ธฐ๋Šฅ +- ์ถœ๋ฐœ์—ญ์„ ์ž…๋ ฅํ•˜๋Š” input ํƒœ๊ทธ๋Š” `departure-station-name-input` id ์†์„ฑ๊ฐ’์„ ๊ฐ€์ง„๋‹ค. +- ๋„์ฐฉ์—ญ์„ ์ž…๋ ฅํ•˜๋Š” input ํƒœ๊ทธ๋Š” `arrival-station-name-input` id ์†์„ฑ๊ฐ’์„ ๊ฐ€์ง„๋‹ค. +- ์ตœ๋‹จ๊ฑฐ๋ฆฌ, ์ตœ์†Œ์‹œ๊ฐ„์„ ์„ ํƒํ•˜๋Š” radio๋Š” `search-type` name ์†์„ฑ๊ฐ’์„ ๊ฐ€์ง„๋‹ค. + - **radio option์˜ default ๊ฐ’์€ ์ตœ๋‹จ๊ฑฐ๋ฆฌ์ด๋‹ค.** +- ๊ธธ์ฐพ๊ธฐ ๋ฒ„ํŠผ์€ `search-button` id ์†์„ฑ๊ฐ’์„ ๊ฐ€์ง„๋‹ค. +- ๐Ÿ“ ๊ฒฐ๊ณผ๋Š” `table`์„ ์ด์šฉํ•˜์—ฌ ๋ณด์—ฌ์ค€๋‹ค. + +## โ—๏ธํžŒํŠธ +## ๋ฐ์ดํ„ฐ ์ดˆ๊ธฐํ™” +์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ์—์„œ ๋ฐ์ดํ„ฐ๋ฅผ ์ดˆ๊ธฐํ™”ํ•˜๋Š” ๋ฐฉ๋ฒ• ์ค‘์— ํ•˜๋‚˜๋Š” ์•„๋ž˜์™€ ๊ฐ™์ด data๋ฅผ `export`ํ•˜๊ณ , `import`ํ•˜๋Š” ๊ฒƒ์ด๋‹ค. + +```javascript +export const users = [ + { + name: 'Alt' + }, + { + name: 'Jamie' + }, + { + name: 'Sony' + } +] + +export const courses = [ + { + name: 'frontend', + }, + { + name: 'backend', + }, + { + name: 'iOS', + }, + { + name: 'Android', + } +] + +``` +์œ„์™€ ๊ฐ™์ด ๋ฐ์ดํ„ฐ๋ฅผ `export`ํ•˜๋ฉด ์•„๋ž˜์™€ ๊ฐ™์ด ๋ฐ์ดํ„ฐ๋ฅผ `import` ํ•˜์—ฌ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค. +```javascript +import { users, courses } from './data.js' + +function App() { + this.users = users + this.courses = courses +} +``` + +## ์ตœ๋‹จ ๊ฒฝ๋กœ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ +- `utils/Dijkstra.js` ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ํ™œ์šฉํ•˜๋ฉด ๊ฐ„ํŽธํ•˜๊ฒŒ ์ตœ๋‹จ๊ฑฐ๋ฆฌ๋ฅผ ์กฐํšŒํ•  ์ˆ˜ ์žˆ๋‹ค. +- ์ •์ (Vertex)๊ณผ ๊ฐ„์„ (Edge), ๊ทธ๋ฆฌ๊ณ  ๊ฐ€์ค‘์น˜ ๊ฐœ๋…์„ ์ด์šฉ + - ์ •์ : ์ง€ํ•˜์ฒ ์—ญ + - ๊ฐ„์„ : ์ง€ํ•˜์ฒ ์—ญ ์—ฐ๊ฒฐ์ •๋ณด + - ๊ฐ€์ค‘์น˜: ๊ฑฐ๋ฆฌ or ์†Œ์š” ์‹œ๊ฐ„ +- ์ตœ๋‹จ ๊ฑฐ๋ฆฌ ๊ธฐ์ค€ ์กฐํšŒ ์‹œ ๊ฐ€์ค‘์น˜๋ฅผ ๊ฑฐ๋ฆฌ๋กœ ์„ค์ • +- ์ตœ์†Œ ์‹œ๊ฐ„ ๊ธฐ์ค€ ์กฐํšŒ ์‹œ ๊ฐ€์ค‘์น˜๋ฅผ ์‹œ๊ฐ„์œผ๋กœ ์„ค์ • + +```javascript +import Dijkstra from "./utils/Dijkstra.js"; +const dijkstra = new Dijkstra() + +//dijkstra.addEdge("์ถœ๋ฐœ์—ญ", "๋„์ฐฉ์—ญ", ๊ฑฐ๋ฆฌ ๋˜๋Š” ์‹œ๊ฐ„); +dijkstra.addEdge("V1", "V2", 2); +dijkstra.addEdge("V2", "V3", 2); +dijkstra.addEdge("V1", "V3", 100); + +const result = dijkstra.findShortestPath("V1", "V3"); +// result = ["V1", "V2", "V3"] +``` + +#### ํ…Œ์ŠคํŠธ์„ค๋ช… + + +- ์—ญ ์‚ฌ์ด์˜ ๊ฑฐ๋ฆฌ๋ฅผ ๊ณ ๋ คํ•˜์ง€ ์•Š๋Š” ๊ฒฝ์šฐ V1->V3 ๊ฒฝ๋กœ๊ฐ€ ์ตœ๋‹จ ๊ฒฝ๋กœ +- ์—ญ ์‚ฌ์ด์˜ ๊ฑฐ๋ฆฌ๋ฅผ ๊ณ ๋ คํ•  ๊ฒฝ์šฐ V1->V3 ๊ฒฝ๋กœ์˜ ๊ฑฐ๋ฆฌ๋Š” 100km, V1->V2->V3 ๊ฒฝ๋กœ์˜ ๊ฑฐ๋ฆฌ๋Š” 4km์ด๋ฏ€๋กœ ์ตœ๋‹จ ๊ฒฝ๋กœ๋Š” V1->V2->V3 + +
+ +### ์š”๊ตฌ์‚ฌํ•ญ +- ์‚ฌ์šฉ์ž๊ฐ€ ์ž˜๋ชป๋œ ์ž…๋ ฅ ๊ฐ’์„ ์ž‘์„ฑํ•œ ๊ฒฝ์šฐ `alert`์„ ์ด์šฉํ•ด ๋ฉ”์‹œ์ง€๋ฅผ ๋ณด์—ฌ์ฃผ๊ณ , ์žฌ์ž…๋ ฅํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ•œ๋‹ค. +- ์™ธ๋ถ€ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ(jQuery, Lodash ๋“ฑ)๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š๊ณ , ์ˆœ์ˆ˜ Vanilla JS๋กœ๋งŒ ๊ตฌํ˜„ํ•œ๋‹ค. +- **์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ ์ฝ”๋“œ ์ปจ๋ฒค์…˜์„ ์ง€ํ‚ค๋ฉด์„œ ํ”„๋กœ๊ทธ๋ž˜๋ฐ** ํ•œ๋‹ค + - [https://google.github.io/styleguide/jsguide.html](https://google.github.io/styleguide/jsguide.html) + - [https://ui.toast.com/fe-guide/ko_CODING-CONVENSION/](https://ui.toast.com/fe-guide/ko_CODING-CONVENTION) +- **indent(์ธ๋ดํŠธ, ๋“ค์—ฌ์“ฐ๊ธฐ) depth๋ฅผ 3์ด ๋„˜์ง€ ์•Š๋„๋ก ๊ตฌํ˜„ํ•œ๋‹ค. 2๊นŒ์ง€๋งŒ ํ—ˆ์šฉ**ํ•œ๋‹ค. + - ์˜ˆ๋ฅผ ๋“ค์–ด while๋ฌธ ์•ˆ์— if๋ฌธ์ด ์žˆ์œผ๋ฉด ๋“ค์—ฌ์“ฐ๊ธฐ๋Š” 2์ด๋‹ค. + - ํžŒํŠธ: indent(์ธ๋ดํŠธ, ๋“ค์—ฌ์“ฐ๊ธฐ) depth๋ฅผ ์ค„์ด๋Š” ์ข‹์€ ๋ฐฉ๋ฒ•์€ ํ•จ์ˆ˜(๋˜๋Š” ๋ฉ”์†Œ๋“œ)๋ฅผ ๋ถ„๋ฆฌํ•˜๋ฉด ๋œ๋‹ค. +- **ํ•จ์ˆ˜(๋˜๋Š” ๋ฉ”์†Œ๋“œ)์˜ ๊ธธ์ด๊ฐ€ 15๋ผ์ธ์„ ๋„˜์–ด๊ฐ€์ง€ ์•Š๋„๋ก ๊ตฌํ˜„ํ•œ๋‹ค.** + - ํ•จ์ˆ˜(๋˜๋Š” ๋ฉ”์†Œ๋“œ)๊ฐ€ ํ•œ ๊ฐ€์ง€ ์ผ๋งŒ ์ž˜ ํ•˜๋„๋ก ๊ตฌํ˜„ํ•œ๋‹ค. +- ๋ณ€์ˆ˜ ์„ ์–ธ์‹œ [var](https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Statements/var) ๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š๋Š”๋‹ค. [const](https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Statements/const) ์™€ [let](https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Statements/let) ์„ ์‚ฌ์šฉํ•œ๋‹ค. +- [import](https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Statements/import) ๋ฌธ์„ ์ด์šฉํ•ด ์Šคํฌ๋ฆฝํŠธ๋ฅผ ๋ชจ๋“ˆํ™”ํ•˜๊ณ  ๋ถˆ๋Ÿฌ์˜ฌ ์ˆ˜ ์žˆ๊ฒŒ ๋งŒ๋“ ๋‹ค. +- [template literal](https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Template_literals)์„ ์ด์šฉํ•ด ๋ฐ์ดํ„ฐ์™€ html string์„ ๊ฐ€๋…์„ฑ ์ข‹๊ฒŒ ํ‘œํ˜„ํ•œ๋‹ค. + +
+ +## ๐Ÿ“ ๋ฏธ์…˜ ์ €์žฅ์†Œ ๋ฐ ์ง„ํ–‰ ์š”๊ตฌ์‚ฌํ•ญ + +- ๋ฏธ์…˜์€ [https://github.com/woowacourse/javascript-subway-path-precourse](https://github.com/woowacourse/javascript-subway-path-precourse) ์ €์žฅ์†Œ๋ฅผ fork/cloneํ•ด ์‹œ์ž‘ํ•œ๋‹ค. +- **๊ธฐ๋Šฅ์„ ๊ตฌํ˜„ํ•˜๊ธฐ ์ „์— javascript-subway-path-precourse/docs/README.md ํŒŒ์ผ์— ๊ตฌํ˜„ํ•  ๊ธฐ๋Šฅ ๋ชฉ๋ก**์„ ์ •๋ฆฌํ•ด ์ถ”๊ฐ€ํ•œ๋‹ค. +- **git์˜ commit ๋‹จ์œ„๋Š” ์•ž ๋‹จ๊ณ„์—์„œ README.md ํŒŒ์ผ์— ์ •๋ฆฌํ•œ ๊ธฐ๋Šฅ ๋ชฉ๋ก ๋‹จ์œ„๋กœ ์ถ”๊ฐ€**ํ•œ๋‹ค. +- [ํ”„๋ฆฌ์ฝ”์Šค ๊ณผ์ œ ์ œ์ถœ](https://github.com/woowacourse/woowacourse-docs/tree/master/precourse) ๋ฌธ์„œ ์ ˆ์ฐจ๋ฅผ ๋”ฐ๋ผ ๋ฏธ์…˜์„ ์ œ์ถœํ•œ๋‹ค. diff --git a/docs/README.md b/docs/README.md new file mode 100644 index 0000000..ebb7165 --- /dev/null +++ b/docs/README.md @@ -0,0 +1,15 @@ +## ๐Ÿš€ ๊ตฌํ˜„ํ•  ๊ธฐ๋Šฅ ๋ชฉ๋ก + +- ํ”„๋กœ๊ทธ๋žจ ์‹œ์ž‘ ์‹œ ์—ญ, ๋…ธ์„ , ๊ตฌ๊ฐ„ ๋ฐ์ดํ„ฐ ์ดˆ๊ธฐํ™” +- ์ž…๋ ฅ์—ญ ๊ฒ€์ฆ ๊ธฐ๋Šฅ + - [์˜ˆ์™ธ] + - ์ถœ๋ฐœ์—ญ๊ณผ ๋„์ฐฉ์—ญ์ด ๊ฐ™์„ ์ˆ˜ ์—†๋‹ค. + - ์กด์žฌํ•˜์ง€ ์•Š๋Š” ์—ญ์„ ์ž…๋ ฅํ•  ์ˆ˜ ์—†๋‹ค. + - 2 ๊ธ€์ž ์ด์ƒ ์ด์–ด์•ผ ํ•œ๋‹ค. +- ๊ธธ ์ฐพ๊ธฐ ๊ธฐ๋Šฅ + - ์ตœ๋‹จ์‹œ๊ฐ„ + - ์ตœ๋‹จ๊ฑฐ๋ฆฌ๋ฅผ ๊ตฌํ•ด ์ถœ๋ ฅํ•œ๋‹ค. + - ์ตœ์†Œ์‹œ๊ฐ„ + - ์ตœ์†Œ์‹œ๊ฐ„ ๊ฑฐ๋ฆฌ ๋ชฉ๋ก์„ ์ถœ๋ ฅํ•œ๋‹ค. +- ์ด ์ด๋™ ๊ฑฐ๋ฆฌ์™€ ์†Œ์š” ์‹œ๊ฐ„์„ ๊ตฌํ•˜๋Š” ๊ธฐ๋Šฅ + diff --git a/images/dijkstra_example.png b/images/dijkstra_example.png new file mode 100644 index 0000000..7c75197 Binary files /dev/null and b/images/dijkstra_example.png differ diff --git a/images/path_result.gif b/images/path_result.gif new file mode 100644 index 0000000..ee394bd Binary files /dev/null and b/images/path_result.gif differ diff --git a/images/path_result.jpg b/images/path_result.jpg new file mode 100644 index 0000000..40a4bed Binary files /dev/null and b/images/path_result.jpg differ diff --git a/index.html b/index.html new file mode 100644 index 0000000..c75f455 --- /dev/null +++ b/index.html @@ -0,0 +1,12 @@ + + + + + ์ง€ํ•˜์ฒ  ๊ธธ์ฐพ๊ธฐ + + + +
+ + + diff --git a/src/app/subway.app.js b/src/app/subway.app.js new file mode 100644 index 0000000..3de54aa --- /dev/null +++ b/src/app/subway.app.js @@ -0,0 +1,74 @@ +import Dijkstra from '../utils/Dijkstra.js'; +import {stations, lines, sections} from '../model/subway.model.js'; +import {isInputValid} from './subway.validator.js'; +import {SEARCH_TYPE} from '../constants.js'; + +export default class SubwayAPP { + constructor() { + this.stations = stations; + this.lines = lines; + this.sections = sections; + + this.dijkstra = new Dijkstra(); + } + + search(startStation, endStation, searchType) { + if (!isInputValid(startStation, endStation, this.stations)) { + return null; + } + + this.setEdge(this.lines, this.sections, searchType); + + return this.dijkstra.findShortestPath(startStation, endStation); + } + + setEdge(lines, sections, searchType) { + Object.keys(lines).forEach((lineName) => { + this.addEdge(lines[lineName], sections[lineName], searchType); + }); + } + + addEdge(line, section, searchType) { + for (let i = 0; i < line.length - 1; ++i) { + const startStation = line[i].name; + const endStation = line[i+1].name; + let weight; + + if (searchType === SEARCH_TYPE.MIN_DISTANCE) { + weight = section[startStation][endStation].distance; + } else { + weight = section[startStation][endStation].time; + } + + this.dijkstra.addEdge(startStation, endStation, weight); + } + } + + getTotalDistanceAndTime(searchResult) { + const total = {distance: 0, time: 0}; + + for (let i = 0; i < searchResult.length - 1; ++i) { + const section = this.findSection(searchResult[i], searchResult[i+1]); + + total.distance += section.distance; + total.time += section.time; + } + + return total; + } + + findSection(startStation, endStation) { + for (const [lineName] of Object.entries(this.lines)) { + const lineStartStation = this.sections[lineName][startStation]; + const lineEndStation = this.sections[lineName][endStation]; + + if (lineStartStation && lineStartStation[endStation]) { + return lineStartStation[endStation]; + } + + if (lineEndStation && lineEndStation[startStation]) { + return lineEndStation[startStation]; + } + } + } +} diff --git a/src/app/subway.validator.js b/src/app/subway.validator.js new file mode 100644 index 0000000..a03f6ab --- /dev/null +++ b/src/app/subway.validator.js @@ -0,0 +1,31 @@ +import {ALERT} from '../constants.js'; + +class SubwayValidator { + isInputValid = (startStation, endStation, stations) => { + if (startStation.length < 2 || endStation < 2) { + alert(ALERT.MIN_LENGTH); + return false; + } + + if (!this.hasStations(startStation, stations) || + !this.hasStations(endStation, stations)) { + alert(ALERT.NOT_EXIST); + return false; + } + + if (startStation === endStation) { + alert(ALERT.DUPLICATION); + return false; + } + + return true; + } + + hasStations(station, stations) { + return stations.some((currentStation) => currentStation.name === station); + } +} + +const subwayValidator = new SubwayValidator(); + +export const {isInputValid} = subwayValidator; diff --git a/src/components/subway.component.js b/src/components/subway.component.js new file mode 100644 index 0000000..b0ae3d3 --- /dev/null +++ b/src/components/subway.component.js @@ -0,0 +1,50 @@ +import {INPUT, RADIO, BUTTON, SEARCH_TYPE, RESULT} from '../constants.js'; + +class SubwayComponent { + initTemplate() { + return ` +

๐Ÿš‡ ์ง€ํ•˜์ฒ  ๊ธธ์ฐพ๊ธฐ

+ ์ถœ๋ฐœ์—ญ

+ ๋„์ฐฉ์—ญ

+ + ${SEARCH_TYPE.MIN_DISTANCE} + + ${SEARCH_TYPE.MIN_TIME} +

+ +
+ `; + } + + resultTemplate(searchType, searchResult, total) { + return ` +

๐Ÿ“ ๊ฒฐ๊ณผ

+

${searchType}

+ + + + + + + + + + + + + + + + +
์ด ๊ฑฐ๋ฆฌ์ด ์†Œ์š” ์‹œ๊ฐ„
${total.distance}km${total.time}๋ถ„
${searchResult}
+ `; + } +} + +const subwayComponent = new SubwayComponent(); + +export const {initTemplate, resultTemplate} = subwayComponent; diff --git a/src/constants.js b/src/constants.js new file mode 100644 index 0000000..bac9664 --- /dev/null +++ b/src/constants.js @@ -0,0 +1,26 @@ +const CONSTANTS = { + 'APP': {'ID': 'app'}, + 'INPUT': { + 'START': {'ID': 'departure-station-name-input'}, + 'END': {'ID': 'arrival-station-name-input'}, + }, + 'RADIO': { + 'NAME': 'search-type', + }, + 'SEARCH_TYPE': { + 'MIN_DISTANCE': '์ตœ๋‹จ๊ฑฐ๋ฆฌ', + 'MIN_TIME': '์ตœ์†Œ์‹œ๊ฐ„', + }, + 'BUTTON': {'ID': 'search-button'}, + 'RESULT': {'ID': 'search-result'}, + 'ALERT': { + 'DUPLICATION': '์ถœ๋ฐœ์—ญ๊ณผ ๋„์ฐฉ์—ญ์„ ๋‹ค๋ฅด๊ฒŒ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”.', + 'NOT_EXIST': '์กด์žฌ ํ•˜์ง€ ์•Š๋Š” ์—ญ์ด์—์š”.', + 'MIN_LENGTH': '์—ญ ์ด๋ฆ„์€ 2๊ธ€์ž ์ด์ƒ์œผ๋กœ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”.', + 'NOT_LINKED': '๋…ธ์„ ์ด ์—ฐ๊ฒฐ๋˜์–ด ์žˆ์ง€ ์•Š์•„์š”.', + }, +}; + +export const { + APP, INPUT, RADIO, SEARCH_TYPE, BUTTON, RESULT, ALERT, +} = CONSTANTS; diff --git a/src/css/style.css b/src/css/style.css new file mode 100644 index 0000000..cff8e9a --- /dev/null +++ b/src/css/style.css @@ -0,0 +1,4 @@ +table, th, td { + border: 1px solid black; + text-align: center; +} \ No newline at end of file diff --git a/src/handler/subway.handler.js b/src/handler/subway.handler.js new file mode 100644 index 0000000..a7481f0 --- /dev/null +++ b/src/handler/subway.handler.js @@ -0,0 +1,22 @@ +class SubwayHandler { + handleSearchButton(subway, subwayView) { + const startStation = subwayView.$startInput.value.trim(); + const endStation = subwayView.$endInput.value.trim(); + let searchType; + + if (subwayView.$radio[0].checked) searchType = subwayView.$radio[0].value; + if (subwayView.$radio[1].checked) searchType = subwayView.$radio[1].value; + + const searchResult = subway.search(startStation, endStation, searchType); + + if (searchResult) { + const total = subway.getTotalDistanceAndTime(searchResult); + + subwayView.renderResult(searchType, searchResult, total); + } + } +} + +const subwayHandler = new SubwayHandler(); + +export const {handleSearchButton} = subwayHandler; diff --git a/src/index.js b/src/index.js new file mode 100644 index 0000000..ca39726 --- /dev/null +++ b/src/index.js @@ -0,0 +1,5 @@ +import SubwayView from './view/subway.view.js'; +import SubwayListener from './listener/subway.listener.js'; +import SubwayAPP from './app/subway.app.js'; + +new SubwayListener(new SubwayAPP(), new SubwayView()); diff --git a/src/listener/subway.listener.js b/src/listener/subway.listener.js new file mode 100644 index 0000000..e807002 --- /dev/null +++ b/src/listener/subway.listener.js @@ -0,0 +1,19 @@ +import {BUTTON} from '../constants.js'; +import {handleSearchButton} from '../handler/subway.handler.js'; + +export default class SubwayListener { + constructor(subway, subwayView) { + this.subway = subway; + this.subwayView = subwayView; + + this.addSearchButtonListener(); + } + + addSearchButtonListener() { + const $searchButton = document.getElementById(BUTTON.ID); + + $searchButton.addEventListener('click', () => { + handleSearchButton(this.subway, this.subwayView); + }); + } +} diff --git a/src/model/subway.model.js b/src/model/subway.model.js new file mode 100644 index 0000000..e8e9f48 --- /dev/null +++ b/src/model/subway.model.js @@ -0,0 +1,113 @@ +export const stations = [ + { + name: '๊ต๋Œ€', + }, + { + name: '๊ฐ•๋‚จ', + }, + { + name: '์—ญ์‚ผ', + }, + { + name: '๋‚จ๋ถ€ํ„ฐ๋ฏธ๋„', + }, + { + name: '์–‘์žฌ', + }, + { + name: '์–‘์žฌ์‹œ๋ฏผ์˜์ˆฒ', + }, + { + name: '๋งค๋ด‰', + }, +]; + +export const lines = { + '2ํ˜ธ์„ ': [ + { + name: '๊ต๋Œ€', + }, + { + name: '๊ฐ•๋‚จ', + }, + { + name: '์—ญ์‚ผ', + }, + ], + '3ํ˜ธ์„ ': [ + { + name: '๊ต๋Œ€', + }, + { + name: '๋‚จ๋ถ€ํ„ฐ๋ฏธ๋„', + }, + { + name: '์–‘์žฌ', + }, + { + name: '๋งค๋ด‰', + }, + ], + '์‹ ๋ถ„๋‹น์„ ': [ + { + name: '๊ฐ•๋‚จ', + }, + { + name: '์–‘์žฌ', + }, + { + name: '์–‘์žฌ์‹œ๋ฏผ์˜์ˆฒ', + }, + ], +}; + +export const sections = { + '2ํ˜ธ์„ ': { + '๊ต๋Œ€': { + '๊ฐ•๋‚จ': { + 'distance': 2, + 'time': 3, + }, + }, + '๊ฐ•๋‚จ': { + '์—ญ์‚ผ': { + 'distance': 2, + 'time': 3, + }, + }, + }, + '3ํ˜ธ์„ ': { + '๊ต๋Œ€': { + '๋‚จ๋ถ€ํ„ฐ๋ฏธ๋„': { + 'distance': 3, + 'time': 2, + }, + }, + '๋‚จ๋ถ€ํ„ฐ๋ฏธ๋„': { + '์–‘์žฌ': { + 'distance': 6, + 'time': 5, + }, + }, + '์–‘์žฌ': { + '๋งค๋ด‰': { + 'distance': 1, + 'time': 1, + }, + }, + }, + '์‹ ๋ถ„๋‹น์„ ': { + '๊ฐ•๋‚จ': { + '์–‘์žฌ': { + 'distance': 2, + 'time': 8, + }, + }, + '์–‘์žฌ': { + '์–‘์žฌ์‹œ๋ฏผ์˜์ˆฒ': { + 'distance': 10, + 'time': 3, + }, + }, + }, +}; diff --git a/src/utils/Dijkstra.js b/src/utils/Dijkstra.js new file mode 100644 index 0000000..7c6cfd5 --- /dev/null +++ b/src/utils/Dijkstra.js @@ -0,0 +1,220 @@ +export default function Dijkstra() { + const Node = { + init: function (val, priority) { + this.val = val; + this.priority = priority; + }, + }; + + const PriorityQueue = { + init: function () { + this.values = []; + }, + enqueue: function (val, priority) { + const newNode = Object.create(Node); + newNode.init(val, priority); + + this.values.push(newNode); + + let idxOfNewNode = this.values.length - 1; + + while (idxOfNewNode > 0) { + const idxOfParentNode = Math.floor((idxOfNewNode - 1) / 2); + + const parentNode = this.values[idxOfParentNode]; + + if (priority < parentNode.priority) { + this.values[idxOfParentNode] = newNode; + this.values[idxOfNewNode] = parentNode; + idxOfNewNode = idxOfParentNode; + continue; + } + break; + } + return this.values; + }, + dequeue: function () { + if (this.values.length == 0) { + return; + } + const dequeued = this.values.shift(); + const lastItem = this.values.pop(); + if (!lastItem) { + return dequeued; + } + this.values.unshift(lastItem); + + let idxOfTarget = 0; + + while (true) { + let idxOfLeftChild = idxOfTarget * 2 + 1; + let idxOfRightChild = idxOfTarget * 2 + 2; + let leftChild = this.values[idxOfLeftChild]; + let rightChild = this.values[idxOfRightChild]; + + function swap(direction) { + const idxOfChild = + direction == "left" ? idxOfLeftChild : idxOfRightChild; + const child = direction == "left" ? leftChild : rightChild; + this.values[idxOfChild] = this.values[idxOfTarget]; + this.values[idxOfTarget] = child; + idxOfTarget = idxOfChild; + } + + if (!leftChild) { + return dequeued; + } + + if (!rightChild) { + if (leftChild.priority < lastItem.priority) { + swap.call(this, "left"); + continue; + } + return dequeued; + } + + if (leftChild.priority == rightChild.priority) { + swap.call(this, "left"); + continue; + } + + if ( + leftChild.priority < rightChild.priority && + leftChild.priority < lastItem.priority + ) { + swap.call(this, "left"); + continue; + } + + if ( + rightChild.priority < leftChild.priority && + rightChild.priority < lastItem.priority + ) { + swap.call(this, "right"); + continue; + } + } + }, + }; + + const WeightedGraph = { + init: function () { + this.adjacencyList = {}; + this.length = 0; + }, + addVertex: function (vertex) { + if (!this.adjacencyList.hasOwnProperty(vertex)) { + this.adjacencyList[vertex] = {}; + this.length++; + } + }, + addEdge: function (vertex1, vertex2, weight) { + this.addVertex(vertex1); + this.addVertex(vertex2); + this.adjacencyList[vertex1][vertex2] = weight; + this.adjacencyList[vertex2][vertex1] = weight; + return this.adjacencyList; + }, + removeEdge: function (vertex1, vertex2) { + if (!this.adjacencyList.hasOwnProperty(vertex1)) { + return `There's no ${vertex1}`; + } + if (!this.adjacencyList.hasOwnProperty(vertex2)) { + return `There's no ${vertex2}`; + } + + function removeHelper(v1, v2) { + if (!this.adjacencyList.hasOwnProperty(v1)) { + return `There's no edge between ${v1} and ${v2}`; + } + delete this.adjacencyList[v1][v2]; + if (Object.keys(this.adjacencyList[v1]).length == 0) { + delete this.adjacencyList[v1]; + } + } + + removeHelper.call(this, vertex1, vertex2); + removeHelper.call(this, vertex2, vertex1); + + return this.adjacencyList; + }, + removeVertex: function (vertex) { + if (!this.adjacencyList.hasOwnProperty(vertex)) { + return `There's no ${vertex}`; + } + const edges = this.adjacencyList[vertex]; + for (const key in edges) { + this.removeEdge(key, vertex); + } + return this.adjacencyList; + }, + findShortestRoute: function (start, end) { + if (!start || !end) { + throw Error("์ถœ๋ฐœ์ง€์™€ ๋„์ฐฉ์ง€๋ฅผ ๋ชจ๋‘ ์ž…๋ ฅํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค."); + } + const distance = {}; + const previous = {}; + const pq = Object.create(PriorityQueue); + pq.init(); + pq.enqueue(start, 0); + const visited = {}; + + const hashOfVertex = this.adjacencyList; + for (const vertexName in hashOfVertex) { + const priority = vertexName == start ? 0 : Infinity; + distance[vertexName] = priority; + previous[vertexName] = null; + } + + while (true) { + let current = pq.dequeue(); + if (!current?.val) { + return; + } + current = current.val; + if (current == end) { + break; + } + const neighbors = hashOfVertex[current]; + + for (const vertexName in neighbors) { + if (visited.hasOwnProperty(vertexName)) { + continue; + } + const distFromStart = distance[current] + neighbors[vertexName]; + + if (distFromStart < distance[vertexName]) { + pq.enqueue(vertexName, distFromStart); + distance[vertexName] = distFromStart; + previous[vertexName] = current; + } + } + visited[current] = true; + } + + let node = end; + + const route = []; + while (node) { + route.unshift(node); + node = previous[node]; + } + + return route; + }, + }; + + this.addEdge = (source, target, weight) => { + WeightedGraph.addEdge(source, target, weight); + }; + + this.findShortestPath = (source, target) => { + return WeightedGraph.findShortestRoute(source, target); + }; + + this.addVertex = (vertex) => { + WeightedGraph.addVertex(vertex); + }; + + WeightedGraph.init(); +} diff --git a/src/view/subway.view.js b/src/view/subway.view.js new file mode 100644 index 0000000..f413930 --- /dev/null +++ b/src/view/subway.view.js @@ -0,0 +1,27 @@ +import {APP} from '../constants.js'; +import {initTemplate, resultTemplate} from '../components/subway.component.js'; +import {INPUT, RADIO, RESULT} from '../constants.js'; + +export default class SubwayView { + constructor() { + this.$app = document.getElementById(APP.ID); + this.renderInit(this.$app); + this.setElements(); + } + + renderInit($app) { + $app.innerHTML += initTemplate(); + } + + renderResult(searchType, searchResult, total) { + this.$result.innerHTML = + resultTemplate(searchType, searchResult.join(' โžก'), total); + } + + setElements() { + this.$startInput = document.getElementById(INPUT.START.ID); + this.$endInput = document.getElementById(INPUT.END.ID); + this.$radio = document.getElementsByName(RADIO.NAME); + this.$result = document.getElementById(RESULT.ID); + } +}