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..309a1c8 --- /dev/null +++ b/docs/README.md @@ -0,0 +1,20 @@ +### ๊ตฌํ˜„ํ•  ๊ธฐ๋Šฅ ๋ชฉ๋ก + +- ์‹œ๊ฐ„๊ณผ ๊ฑฐ๋ฆฌ ์ดˆ๊ธฐ ๋ฐ์ดํ„ฐ๋ฅผ ๋„ฃ์–ด์ค€๋‹ค. + - ์—ญ๊ณผ ๋…ธ์„ , ๊ทธ ์‚ฌ์ด ๊ฑฐ๋ฆฌ์™€ ์‹œ๊ฐ„์— ๋Œ€ํ•œ ์ •์ ์ธ ๋ฐ์ดํ„ฐ๋ฅผ ๋„ฃ์–ด์ค€๋‹ค. + - ์ด ๋ฐ์ดํ„ฐ๋ฅผ ๋‹ค์ต์ŠคํŠธ๋ผ ๋ชจ๋“ˆ์— ๋„ฃ์–ด ๊ฑฐ๋ฆฌ ๊ทธ๋ž˜ํ”„์™€ ์‹œ๊ฐ„ ๊ทธ๋ž˜ํ”„๋ฅผ ๋งŒ๋“ค์–ด์ค€๋‹ค. +- html์„ ์ž‘์„ฑํ•œ๋‹ค. +- ์ถœ๋ฐœ์—ญ๊ณผ ๋„์ฐฉ์—ญ์„ input text๋กœ ์ž…๋ ฅ ๋ฐ›๋Š”๋‹ค. +- ์ตœ๋‹จ๊ฑฐ๋ฆฌ/์ตœ์†Œ์‹œ๊ฐ„ ์ค‘ ๊ธธ์ฐพ๊ธฐ์˜ ๊ธฐ์ค€์„ radio button์œผ๋กœ ์ž…๋ ฅ ๋ฐ›๋Š”๋‹ค. +- ์ž…๋ ฅํ•œ ๊ธฐ์ค€์— ๋”ฐ๋ฅธ ๋ฃจํŠธ๋ฅผ ๋‹ค์ต์ŠคํŠธ๋ผ ๋ชจ๋“ˆ์„ ํ†ตํ•ด ๊ณ„์‚ฐํ•˜์—ฌ ๋ณด์—ฌ์ค€๋‹ค. (1) +- ๋‹ค์ต์ŠคํŠธ๋ผ ๋ชจ๋“ˆ์—์„œ ๋ฐ›์•„์˜จ ๋ฃจํŠธ์— ๋”ฐ๋ฅธ ๊ฑฐ๋ฆฌ์™€ ์†Œ์š” ์‹œ๊ฐ„์„ ๊ณ„์‚ฐํ•œ๋‹ค. (2) +- ๊ธธ์ฐพ๊ธฐ ๋ฒ„ํŠผ์„ ๋ˆ„๋ฅด๋ฉด ๊ฒฐ๊ณผ ์„น์…˜์„ ๋ณด์—ฌ์ค€๋‹ค. + - ๊ฒฐ๊ณผ ์„น์…˜์—์„œ๋Š” (1)~(2)์˜ ๋‚ด์šฉ์„ ํ‘œ์— ๋„์›Œ์„œ ๋ณด์—ฌ์ค€๋‹ค. +- radio option์˜ default ๊ฐ’์€ ์ตœ๋‹จ๊ฑฐ๋ฆฌ๋กœ ๋ณด์—ฌ์ค€๋‹ค. + +#### ์˜ˆ์™ธ ์ƒํ™ฉ + +- ์ดˆ๊ธฐ ๋ฐ์ดํ„ฐ์— ์—†๋Š” ์ถœ๋ฐœ์—ญ ํ˜น์€ ๋„์ฐฉ์—ญ์„ ์ž…๋ ฅํ•œ ๊ฒฝ์šฐ +- 2๊ธ€์ž ์ดํ•˜์˜ ์—ญ ์ด๋ฆ„์„ ์ž…๋ ฅ์„ ํ•œ ๊ฒฝ์šฐ +- ์ถœ๋ฐœ์—ญ๊ณผ ๋„์ฐฉ์—ญ์ด ๊ฐ™์€ ๊ฒฝ์šฐ +- ์ถœ๋ฐœ์—ญ๊ณผ ๋„์ฐฉ์—ญ์ด ์—ฐ๊ฒฐ๋˜์ง€ ์•Š์€ ๊ฒฝ์šฐ 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..81e11f7 --- /dev/null +++ b/index.html @@ -0,0 +1,40 @@ + + + + + ์ง€ํ•˜์ฒ  ๊ธธ์ฐพ๊ธฐ + + +
+

๐Ÿš‡ ์ง€ํ•˜์ฒ  ๊ธธ์ฐพ๊ธฐ

+ +

+ +

+ + ์ตœ๋‹จ๊ฑฐ๋ฆฌ + ์ตœ์†Œ์‹œ๊ฐ„

+ + + +
+ + + diff --git a/src/controller/controller.js b/src/controller/controller.js new file mode 100644 index 0000000..6ecc988 --- /dev/null +++ b/src/controller/controller.js @@ -0,0 +1,65 @@ +import { times, distances, lines, sections } from '../database/data.js'; +import { default as view } from '../view/view.js'; +import { timeDijkstra, distanceDijkstra } from '../index.js'; + +export default { + init(tree, start, end) { + this.tree = tree; + this.shortestPath = tree.findShortestPath(start, end); + const time = this.getTime(this.shortestPath); + const distance = this.getDistance(this.shortestPath); + let flag = ''; + if (this.tree === timeDijkstra) { + flag = 'time'; + } else { + flag = 'distance'; + } + view.drawTable(distance, time, this.shortestPath, flag); + }, + + getTime(route) { + let idx = 0; + let time = 0; + route.forEach(station => { + let [start, end] = this.getStartEnd(idx, route); + let key = this.checkStartEndBothInLine(start, end); + if (key) { + time += times[key][idx]; + } + idx++; + }); + return time; + }, + + getDistance(route) { + let idx = 0; + let distance = 0; + route.forEach(station => { + let [start, end] = this.getStartEnd(idx, route); + let key = this.checkStartEndBothInLine(start, end); + if (key) { + distance += distances[key][idx]; + } + idx++; + }); + return distance; + }, + + checkStartEndBothInLine(start, end) { + for (const [key, value] of Object.entries(sections)) { + // console.log(value); + if (value.includes(start) && value.includes(end)) { + return key; + } + } + return false; + }, + + getStartEnd(idx, route) { + return [route[idx], route[idx + 1]]; + }, + clear() { + document.querySelector('#departure-station-name-input').value = ''; + document.querySelector('#arrival-station-name-input').value = ''; + }, +}; diff --git a/src/database/data.js b/src/database/data.js new file mode 100644 index 0000000..c8b5bd9 --- /dev/null +++ b/src/database/data.js @@ -0,0 +1,30 @@ +// ๋ฐ์ดํ„ฐ ์ €์žฅ +export const stations = [ + '๊ต๋Œ€', + '๊ฐ•๋‚จ', + '์—ญ์‚ผ', + '๋‚จ๋ถ€ํ„ฐ๋ฏธ๋„', + '์–‘์žฌ', + '์–‘์žฌ์‹œ๋ฏผ์˜์ˆฒ', + '๋งค๋ด‰', +]; + +export const lines = ['2ํ˜ธ์„ ', '3ํ˜ธ์„ ', '์‹ ๋ถ„๋‹น์„ ']; + +export const sections = { + '2ํ˜ธ์„ ': ['๊ต๋Œ€', '๊ฐ•๋‚จ', '์—ญ์‚ผ'], + '3ํ˜ธ์„ ': ['๊ต๋Œ€', '๋‚จ๋ถ€ํ„ฐ๋ฏธ๋„', '์–‘์žฌ', '๋งค๋ด‰'], + ์‹ ๋ถ„๋‹น์„ : ['๊ฐ•๋‚จ', '์–‘์žฌ', '์–‘์žฌ์‹œ๋ฏผ์˜์ˆฒ'], +}; + +export const distances = { + '2ํ˜ธ์„ ': [2, 2], + '3ํ˜ธ์„ ': [3, 6, 1], + ์‹ ๋ถ„๋‹น์„ : [2, 10], +}; + +export const times = { + '2ํ˜ธ์„ ': [3, 3], + '3ํ˜ธ์„ ': [2, 5, 1], + ์‹ ๋ถ„๋‹น์„ : [8, 3], +}; diff --git a/src/index.js b/src/index.js new file mode 100644 index 0000000..cce819a --- /dev/null +++ b/src/index.js @@ -0,0 +1,13 @@ +import Dijkstra from './utils/Dijkstra.js'; +import { default as view } from './view/view.js'; +import MakeTree from './model/makeTree.js'; + +export const timeDijkstra = new Dijkstra(); +export const distanceDijkstra = new Dijkstra(); +new MakeTree(); + +const findRoute = document.querySelector('#search-button'); + +findRoute.addEventListener('click', () => { + view.show(); +}); diff --git a/src/model/distance.js b/src/model/distance.js new file mode 100644 index 0000000..58e6ce8 --- /dev/null +++ b/src/model/distance.js @@ -0,0 +1,25 @@ +import { distanceDijkstra } from '../index.js'; +import { distances, sections } from '../database/data.js'; + +export default class Distance { + constructor(name) { + this.lineName = name; + this.section = sections[this.lineName]; + this.instance = distanceDijkstra; + this.pushDistance(); + } + + pushDistance() { + const distanceOfLine = distances[this.lineName]; + let idx = 0; + distanceOfLine.forEach(distance => { + let [start, end] = this.getStartEnd(idx); + this.instance.addEdge(start, end, distance); + idx++; + }); + } + + getStartEnd(idx) { + return [this.section[idx], this.section[idx + 1]]; + } +} diff --git a/src/model/makeTree.js b/src/model/makeTree.js new file mode 100644 index 0000000..50b65b5 --- /dev/null +++ b/src/model/makeTree.js @@ -0,0 +1,19 @@ +import { lines } from '../database/data.js'; +import Distance from './distance.js'; +import Time from './time.js'; + +export default class MakeTree { + constructor() { + this.init(); + } + + init() { + lines.forEach(line => { + new Distance(line); + }); + + lines.forEach(line => { + new Time(line); + }); + } +} diff --git a/src/model/time.js b/src/model/time.js new file mode 100644 index 0000000..9ad973a --- /dev/null +++ b/src/model/time.js @@ -0,0 +1,25 @@ +import { timeDijkstra } from '../index.js'; +import { times, sections } from '../database/data.js'; + +export default class Time { + constructor(name) { + this.lineName = name; + this.section = sections[this.lineName]; + this.instance = timeDijkstra; + this.pushTime(); + } + + pushTime() { + const timeOfLine = times[this.lineName]; + let idx = 0; + timeOfLine.forEach(time => { + let [start, end] = this.getStartEnd(idx); + this.instance.addEdge(start, end, time); + idx++; + }); + } + + getStartEnd(idx) { + return [this.section[idx], this.section[idx + 1]]; + } +} diff --git a/src/utils/Dijkstra.js b/src/utils/Dijkstra.js new file mode 100644 index 0000000..7b73b38 --- /dev/null +++ b/src/utils/Dijkstra.js @@ -0,0 +1,221 @@ +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) => { + console.log(WeightedGraph); + return WeightedGraph.findShortestRoute(source, target); + }; + + this.addVertex = vertex => { + WeightedGraph.addVertex(vertex); + }; + + WeightedGraph.init(); +} diff --git a/src/view/view.js b/src/view/view.js new file mode 100644 index 0000000..e581960 --- /dev/null +++ b/src/view/view.js @@ -0,0 +1,54 @@ +import { default as controller } from '../controller/controller.js'; +import { timeDijkstra, distanceDijkstra } from '../index.js'; + +export default { + show() { + const section = document.querySelector('#result-section'); + const start = document.querySelector('#departure-station-name-input').value; + const end = document.querySelector('#arrival-station-name-input').value; + section.style.display = 'block'; + const flag = document.querySelector('input[name="search-type"]:checked') + .value; + const tree = this.defineTree(flag); + this.clear(); + controller.init(tree, start, end); + }, + + defineTree(flag) { + if (flag === 'distance') { + return distanceDijkstra; + } else if (flag === 'time') { + return timeDijkstra; + } + }, + + drawTable(distance, time, route, flag) { + const tableBody = document.querySelector('#tbody'); + let label = document.querySelector('#label'); + if (flag === 'distance') { + label.innerHTML = `

์ตœ๋‹จ๊ฑฐ๋ฆฌ

`; + } else { + label.innerHTML = `

์ตœ์†Œ์‹œ๊ฐ„

`; + } + route = this.makeArrowText(route); + let tableRows = `${distance}km${time}๋ถ„${route}`; + tableBody.innerHTML = tableRows; + }, + + makeArrowText(routes) { + let way = ``; + routes.forEach(route => { + if (routes.indexOf(route) !== routes.length - 1) { + way += `${route}->`; + } else { + way += `${route}`; + } + }); + return way; + }, + + clear() { + document.querySelector('#departure-station-name-input').value = ''; + document.querySelector('#arrival-station-name-input').value = ''; + }, +};