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rating credit scores exercise
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| import { map, cond, gte, lte, flip, always } from 'ramda' | |
| import scores from './scores.json' | |
| const flippedGTE = flip(gte) | |
| const flippedLTE = flip(lte) | |
| const rater = cond([ | |
| [ flippedGTE(800), always(`excellent!`) ], | |
| [ flippedGTE(700), always(`good`) ], | |
| [ flippedGTE(650), always(`fair`) ], | |
| [ flippedLTE(649), always(`poor`) ], | |
| ]) | |
| const createReview = (score) => `${score} is ${rater(score)}` | |
| const getCreditScoreRatings = map(createReview) | |
| const result = getCreditScoreRatings(scores) | |
| console.log({ result }) |
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| import { cond, gte, lte, map } from 'ramda'; | |
| import scores from './scores.json'; | |
| const reviewCreditScore = cond([ | |
| [lte(800), (score) => `${score} is excellent!`], | |
| [lte(700), (score) => `${score} is good`], | |
| [lte(650), (score) => `${score} is fair`], | |
| [gte(649), (score) => `${score} is poor`] | |
| ]); | |
| const reviewCreditScores = map(reviewCreditScore); | |
| console.log(reviewCreditScores(scores)); |
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| [ | |
| 631, | |
| 604, | |
| 527, | |
| 503, | |
| 800, | |
| 579, | |
| 673, | |
| 513, | |
| 808, | |
| 701, | |
| 833, | |
| 795, | |
| 644, | |
| 649, | |
| 557, | |
| 556, | |
| 548, | |
| 815, | |
| 737, | |
| 687, | |
| 777, | |
| 635, | |
| 653, | |
| 829, | |
| 593, | |
| 511, | |
| 663, | |
| 737, | |
| 713, | |
| 797, | |
| 608, | |
| 577, | |
| 636, | |
| 655, | |
| 850, | |
| 540, | |
| 626, | |
| 609, | |
| 737, | |
| 570, | |
| 720, | |
| 668, | |
| 789, | |
| 658, | |
| 615, | |
| 628, | |
| 519, | |
| 611, | |
| 766, | |
| 811 | |
| ] |
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