diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..e66cbb3 --- /dev/null +++ b/.gitignore @@ -0,0 +1,5 @@ +git-commit-template.txt +node_modules +package.json +package-lock.json +.eslintrc.js \ No newline at end of file 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..24db4b8 --- /dev/null +++ b/docs/README.md @@ -0,0 +1,30 @@ +## ๊ธฐ๋Šฅ ๊ตฌํ˜„ ๋ชฉ๋ก + +- โœ” ์ดˆ๊ธฐ ํ™”๋ฉด์„ html๋กœ ๊ตฌํ˜„ํ•œ๋‹ค. + +- โœ” ์ตœ๋‹จ๊ฑฐ๋ฆฌ์™€ ์ตœ์†Œ์‹œ๊ฐ„์„ ์„ ํƒํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ•œ๋‹ค. (radio ์‚ฌ์šฉ) + +- โœ” ์ง€ํ•˜์ฒ  class๋ฅผ ๋งŒ๋“ค์–ด ๊ฐ์ข… ์ดˆ๊ธฐ๊ฐ’์„ ํ• ๋‹นํ•œ๋‹ค. + +- โœ” ์ถœ๋ฐœ์—ญ๊ณผ ๋„์ฐฉ์—ญ์— ์ž…๋ ฅํ•œ input์˜ ์œ ํšจ์„ฑ์„ ๊ฒ€์‚ฌํ•œ๋‹ค. + + - ์—๋Ÿฌ์‚ฌํ•ญ) + - โœ” ์กด์žฌํ•˜์ง€ ์•Š๋Š” ์—ญ์„ ์ž…๋ ฅ + - โœ” ๋นˆ ์นธ์„ ์ž…๋ ฅ + - โœ” ์ถœ๋ฐœ๊ณผ ๋„์ฐฉ์— ๊ฐ™์€ ์—ญ์„ ์ž…๋ ฅ + +- โœ” ์ตœ๋‹จ๊ฑฐ๋ฆฌ/์ตœ์†Œ๊ฑฐ๋ฆฌ ์ค‘ ์–ด๋А ๊ฐ’์„ ์„ ํƒํ–ˆ๋Š”์ง€ ํ™•์ธํ•œ๋‹ค. + +- โœ” ์ดˆ๊ธฐ๊ฐ’์œผ๋กœ ๋“ค์–ด์žˆ๋Š” ๋ฐ์ดํ„ฐ๋ฅผ ๋ถ„๋ฆฌํ•ด ์ตœ๋‹จ ๊ฒฝ๋กœ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ์—์„œ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋„๋ก ๋งŒ๋“ ๋‹ค. + +- โœ” ์ถœ๋ฐœ์—ญ๊ณผ ๋„์ฐฉ์—ญ์„ ํ†ตํ•ด ์ตœ๋‹จ๊ฑฐ๋ฆฌ๋ฅผ ๊ตฌํ•œ๋‹ค. + +- โœ” ์ถœ๋ฐœ์—ญ๊ณผ ๋„์ฐฉ์—ญ์„ ํ†ตํ•ด ์ตœ์†Œ์‹œ๊ฐ„์„ ๊ตฌํ•œ๋‹ค. + +- โœ” ์ถœ๋ฐœ์—ญ๊ณผ ๋„์ฐฉ์—ญ์„ ํ†ตํ•ด ์ด ์‹œ๊ฐ„๊ณผ ์ด ๊ฑฐ๋ฆฌ๋ฅผ ๊ตฌํ•œ๋‹ค. + +- โœ” ์ตœ๋‹จ๊ฑฐ๋ฆฌ ๋ฐ ์ตœ์†Œ์‹œ๊ฐ„์„ ํ™”๋ฉด์— ๋žœ๋”๋ง ํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•œ๋‹ค. + +- โœ” ์‚ฌ์šฉ์ž๊ฐ€ ์„ ํƒํ•œ ์ตœ๋‹จ๊ฑฐ๋ฆฌ/์ตœ์†Œ์‹œ๊ฐ„์— ๋งž์ถฐ ํ™”๋ฉด์— ์ถœ๋ ฅํ•ด์ค€๋‹ค. + +- ์ถœ๋ฐœ์—ญ๊ณผ ๋„์ฐฉ์—ญ์ด ์—ฐ๊ฒฐ๋˜์ง€ ์•Š์„ ๋•Œ ๊ฒฝ๋กœ๋ฅผ ์กฐํšŒํ•  ์ˆ˜ ์—†๊ฒŒ ํ•œ๋‹ค. 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..f07f9da --- /dev/null +++ b/index.html @@ -0,0 +1,28 @@ + + + + + ์ง€ํ•˜์ฒ  ๊ธธ์ฐพ๊ธฐ + + + +
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+ + + diff --git a/src/constant/constant.js b/src/constant/constant.js new file mode 100644 index 0000000..21d4b48 --- /dev/null +++ b/src/constant/constant.js @@ -0,0 +1,28 @@ +export const STATION = [ + '๊ต๋Œ€', + '๊ฐ•๋‚จ', + '์—ญ์‚ผ', + '๋‚จ๋ถ€ํ„ฐ๋ฏธ๋„', + '์–‘์žฌ', + '์–‘์žฌ์‹œ๋ฏผ์˜์ˆฒ', + '๋งค๋ด‰', +]; + +export const SECTION = { + '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', +}; + +export const error_message = { + NOT_STATION: '์กด์žฌํ•˜์ง€ ์•Š๋Š” ์—ญ์ž…๋‹ˆ๋‹ค.', + SAME_STATION: '๋™์ผํ•œ ์—ญ์„ ์ž…๋ ฅํ•˜์…จ์Šต๋‹ˆ๋‹ค.', +}; + +export const TIME = '๋ถ„'; +export const DISTANCE = 'km'; +export const SHORT_DISTANCE = '์ตœ๋‹จ๊ฑฐ๋ฆฌ'; +export const RESULT_TEXT = '๐Ÿ“‘๊ฒฐ๊ณผ'; +export const TH_DISTANCE = '์ด ๊ฑฐ๋ฆฌ'; +export const TH_TIME = '์ด ์†Œ์š” ์‹œ๊ฐ„'; diff --git a/src/controller/event.js b/src/controller/event.js new file mode 100644 index 0000000..216b77d --- /dev/null +++ b/src/controller/event.js @@ -0,0 +1,29 @@ +import {$departureName, $arrivalName} from '../view/element.js'; +import {renderResultScreen} from '../view/add-screen.js'; +import {removeResultScreen} from '../view/remove-screen.js'; +import {isInputValid} from './valid.js'; +import {SHORT_DISTANCE} from '../constant/constant.js'; +import {subway} from '../index.js'; + +export const onFindRoute = () => { + const departure = $departureName.value; + const arrival = $arrivalName.value; + if (isInputValid(departure, arrival, subway.station)) { + removeResultScreen(); + const checkedValue = checkSelectedRadio(); + if (checkedValue === SHORT_DISTANCE) { + const shortDistance = subway.findShortDistance(departure, arrival); + return renderResultScreen(checkedValue, shortDistance); + } + const shortTime = subway.findShortTime(departure, arrival); + + return renderResultScreen(checkedValue, shortTime); + } +}; + +const checkSelectedRadio = () => { + const $allRadioInput = document.body.querySelectorAll('[name="search-type"]'); + const checkedInput = [...$allRadioInput].find((input) => input.checked); + + return checkedInput.value; +}; diff --git a/src/controller/valid.js b/src/controller/valid.js new file mode 100644 index 0000000..16882f2 --- /dev/null +++ b/src/controller/valid.js @@ -0,0 +1,31 @@ +import {error_message} from '../constant/constant.js'; + +export const isInputValid = ($departureName, $arrivalName, stations) => { + if (!isIncluded($departureName, stations)) { + return false; + } + if (!isIncluded($arrivalName, stations)) { + return false; + } + if (!isBothDifferent($departureName, $arrivalName)) { + return false; + } + + return true; +}; + +const isIncluded = ($name, stations) => { + if (!stations.includes($name)) { + return alert(error_message.NOT_STATION); + } + + return true; +}; + +const isBothDifferent = (first, second) => { + if (first === second) { + return alert(error_message.SAME_STATION); + } + + return true; +}; diff --git a/src/index.js b/src/index.js new file mode 100644 index 0000000..0d19947 --- /dev/null +++ b/src/index.js @@ -0,0 +1,8 @@ +import Subway from './model/subway.js'; +import {onFindRoute} from './controller/event.js'; + +export const subway = new Subway(); + +document.body + .querySelector('#search-button') + .addEventListener('click', onFindRoute); diff --git a/src/model/subway.js b/src/model/subway.js new file mode 100644 index 0000000..e6aa3c4 --- /dev/null +++ b/src/model/subway.js @@ -0,0 +1,42 @@ +import {STATION, SECTION} from '../constant/constant.js'; +import {splitSection} from '../utils/split.js'; +import {findTotalTimeOrDistance} from '../utils/total.js'; +import Dijkstra from '../utils/Dijkstra.js'; + +export default class Subway { + constructor() { + this.station = STATION; + this.section = SECTION; + this.splitedSection = splitSection(SECTION); + } + + findShortDistance(departure, arrival) { + const dijkstra = new Dijkstra(); + this.splitedSection.forEach((station) => { + for (let i = 0; i < station.length; i++) { + const departure = station[i].section[0]; + const arrival = station[i].section[1]; + dijkstra.addEdge(departure, arrival, station[i].distance); + } + }); + const result = dijkstra.findShortestPath(departure, arrival); + const total = findTotalTimeOrDistance(result, this.splitedSection); + + return {result, total}; + } + + findShortTime(departure, arrival) { + const dijkstra = new Dijkstra(); + this.splitedSection.forEach((station) => { + for (let i = 0; i < station.length; i++) { + const departure = station[i].section[0]; + const arrival = station[i].section[1]; + dijkstra.addEdge(departure, arrival, station[i].time); + } + }); + const result = dijkstra.findShortestPath(departure, arrival); + const total = findTotalTimeOrDistance(result, this.splitedSection); + + return {result, total}; + } +} diff --git a/src/style.css b/src/style.css new file mode 100644 index 0000000..0417273 --- /dev/null +++ b/src/style.css @@ -0,0 +1,6 @@ +table, +th, +td { + border: 1px solid black; + text-align: center; +} 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/utils/split.js b/src/utils/split.js new file mode 100644 index 0000000..941425b --- /dev/null +++ b/src/utils/split.js @@ -0,0 +1,40 @@ +import {TIME, DISTANCE} from '../constant/constant.js'; + +export const splitSection = (section) => { + const lines = []; + for (const line in section) { + const sections = section[line].split(' - ').filter((v, i) => i % 2 === 0); + const remain = section[line].split(' - ').filter((v, i) => i % 2 === 1); + const distance = splitTimeOrDistance(remain, DISTANCE); + const time = splitTimeOrDistance(remain, TIME); + lines.push(combineValue(sections, distance, time)); + } + + return lines; +}; + +const splitTimeOrDistance = (timeOrDistance, string) => { + const splitedResult = timeOrDistance.map((v) => { + const findIndex = v.indexOf(string); + if (string === DISTANCE) { + return parseInt(v.slice(2, findIndex)); + } + return parseInt(v.slice(8, findIndex)); + }); + + return splitedResult; +}; + +const combineValue = (sections, distance, time) => { + const combinedValue = []; + for (let i = 0; i < sections.length - 1; i++) { + const combinedSection = [sections[i], sections[i + 1]]; + combinedValue.push({ + section: combinedSection, + distance: distance[i], + time: time[i], + }); + } + + return combinedValue; +}; diff --git a/src/utils/total.js b/src/utils/total.js new file mode 100644 index 0000000..d049812 --- /dev/null +++ b/src/utils/total.js @@ -0,0 +1,28 @@ +export const findTotalTimeOrDistance = (result, sectionInf) => { + let time = 0; + let distance = 0; + for (let i = 0; i < result.length - 1; i++) { + const combinedResult = [result[i], result[i + 1]]; + const sameSection = findSameSection(combinedResult, sectionInf); + time += sameSection.time; + distance += sameSection.distance; + } + + return {time, distance}; +}; + +const findSameSection = (result, section) => { + const sectionIndex = section.findIndex((v) => + v.find((sectionInf) => { + return ( + sectionInf.section[0] === result[0] && + sectionInf.section[1] === result[1] + ); + }), + ); + const stationIndex = section[sectionIndex].findIndex( + (sectionInf) => sectionInf.section[1] === result[1], + ); + + return section[sectionIndex][stationIndex]; +}; diff --git a/src/view/add-screen.js b/src/view/add-screen.js new file mode 100644 index 0000000..29ebe1a --- /dev/null +++ b/src/view/add-screen.js @@ -0,0 +1,44 @@ +import {$resultWrapper} from './element.js'; +import { + TIME, + DISTANCE, + RESULT_TEXT, + TH_DISTANCE, + TH_TIME, +} from '../constant/constant.js'; + +export const renderResultScreen = (text, {result, total}) => { + renderResultWrapper(text); + const $table = document.createElement('table'); + $table.innerHTML = tableContainer; + $table.querySelector('tbody').innerHTML += ` + + ${total.distance}${DISTANCE} + ${total.time}${TIME} + + + ${result.join(' -> ')} + + `; + $resultWrapper.appendChild($table); +}; + +const renderResultWrapper = (text) => { + const $title = document.createElement('h1'); + const $resultText = document.createElement('h3'); + + $title.textContent = RESULT_TEXT; + $resultText.textContent = text; + + $resultWrapper.appendChild($title); + $resultWrapper.appendChild($resultText); +}; + +const tableContainer = ` + + + ${TH_DISTANCE} + ${TH_TIME} + + +`; diff --git a/src/view/element.js b/src/view/element.js new file mode 100644 index 0000000..b23b967 --- /dev/null +++ b/src/view/element.js @@ -0,0 +1,10 @@ +export const $stationWrapper = document.body.querySelector('#station-wrapper'); +export const $resultWrapper = document.body.querySelector('#result-wrapper'); + +export const $departureName = $stationWrapper.querySelector( + '#departure-station-name-input', +); + +export const $arrivalName = $stationWrapper.querySelector( + '#arrival-station-name-input', +); diff --git a/src/view/remove-screen.js b/src/view/remove-screen.js new file mode 100644 index 0000000..e605090 --- /dev/null +++ b/src/view/remove-screen.js @@ -0,0 +1,7 @@ +import {$resultWrapper} from './element.js'; + +export const removeResultScreen = () => { + while ($resultWrapper.firstChild) { + $resultWrapper.removeChild($resultWrapper.firstChild); + } +};