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feat: add swedish grades #193

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efd5116
feat: add swedish grades #119
Thenlie Oct 25, 2026
ae44437
refactor: correct swedish grade mapping
Thenlie Oct 26, 2026
2a2a0cd
test: add isType test for swedish grades
Thenlie Oct 31, 2026
db8e2b9
test: complete test coverage for swedish grades
Thenlie Oct 31, 2026
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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ Typescript utilities for working with rock climbing grades.
- [x] Saxon
- [x] Brazilian
- [x] Norwegian
- [x] Swedish

**Bouldering**

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1 change: 1 addition & 0 deletions src/GradeScale.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ export const GradeScales = {
EWBANK: 'ewbank',
SAXON: 'saxon',
NORWEGIAN: 'norwegian',
SWEDISH: 'swedish',
BRAZILIAN_CRUX: 'brazilian_crux'
} as const

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129 changes: 129 additions & 0 deletions src/__tests__/scales/swedish.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,129 @@
import { GradeBands } from '../../GradeBands'
import { Swedish } from '../../scales'
import { Swedish as SwedishFromIndex } from '../../index'

describe('Swedish', () => {
describe('Get Score', () => {
test('9- > 4+', () => {
const lowGrade = Swedish.getScore('4+')
const highGrade = Swedish.getScore('9-')
expect(highGrade[0]).toBeGreaterThan(lowGrade[1])
})

test('6 > 5+', () => {
const highGrade = Swedish.getScore('6')
const lowGrade = Swedish.getScore('5+')
expect(highGrade[0]).toBeGreaterThan(lowGrade[1])
})

test('6+ > 6-', () => {
const highGrade = Swedish.getScore('6+')
const lowGrade = Swedish.getScore('6-')
expect(highGrade[0] < lowGrade[1] && highGrade[0] > lowGrade[0])
expect(highGrade[1]).toBeGreaterThan(lowGrade[1])
})

test('8- > 7/7+', () => {
const highGrade = Swedish.getScore('8-')
const lowGrade = Swedish.getScore('7/7+')
expect(highGrade[0] < lowGrade[1] && highGrade[0] > lowGrade[0])
if (lowGrade[1] !== undefined && highGrade[1] !== undefined) {
expect(highGrade[1]).toBeGreaterThan(lowGrade[1])
}
})

test('Slash grade provided', () => {
expect(Swedish.getScore('4-/4')).toStrictEqual([34, 37])
expect(Swedish.getScore('5/5+')).toStrictEqual([51, 55])
expect(Swedish.getScore('7+/8-')).toStrictEqual([73, 75])
expect(Swedish.getScore('7+/7')).toStrictEqual([73, 75])
})
})

describe('Is Type', () => {
test('valid Swedish grades', () => {
expect(Swedish.isType('1-')).toBe(true)
expect(Swedish.isType('6')).toBe(true)
expect(Swedish.isType('11+')).toBe(true)
expect(Swedish.isType('7+/8-')).toBe(true)
})

test('invalid Swedish grades', () => {
expect(Swedish.isType('V11')).toBe(false)
expect(Swedish.isType('+5')).toBe(false)
expect(Swedish.isType('12')).toBe(false)
expect(Swedish.isType('5/5+/6-')).toBe(false)
})
})

describe('Invalid grade format', () => {
jest.spyOn(console, 'warn').mockImplementation()
beforeEach(() => {
jest.clearAllMocks()
})
test('invalid plus modifier', () => {
const invalidGrade = Swedish.getScore('+5')
expect(console.warn).toHaveBeenCalledWith(
'Unexpected grade format: +5 for grade scale Swedish'
)
expect(invalidGrade).toEqual(-1)
})
test('invalid minus modifier', () => {
const invalidGrade = Swedish.getScore('-5')
expect(console.warn).toHaveBeenCalledWith(
'Unexpected grade format: -5 for grade scale Swedish'
)
expect(invalidGrade).toEqual(-1)
})
test('extra slash grade', () => {
const invalidGrade = Swedish.getScore('5/5+/6-')
expect(console.warn).toHaveBeenCalledWith(
'Unexpected grade format: 5/5+/6- for grade scale Swedish'
)
expect(invalidGrade).toEqual(-1)
})
test('not Swedish scale', () => {
const invalidGrade = Swedish.getScore('V11')
expect(console.warn).toHaveBeenCalledWith(
'Unexpected grade format: V11 for grade scale Swedish'
)
expect(invalidGrade).toEqual(-1)
})
})

describe('Get Grade', () => {
test('bottom of range', () => {
expect(Swedish.getGrade(0)).toBe('1-')
})

test('top of range', () => {
expect(Swedish.getGrade(1000)).toBe('11+')
})

test('single score provided', () => {
expect(Swedish.getGrade(25)).toBe('3')
expect(Swedish.getGrade(30)).toBe('3+')
expect(Swedish.getGrade(48)).toBe('5-')
expect(Swedish.getGrade(55)).toBe('5+')
})
test('non-integer score rounds up', () => {
expect(Swedish.getGrade(24.5)).toBe(Swedish.getGrade(25))
})
test('exported from package index', () => {
expect(SwedishFromIndex).toBe(Swedish)
})
test('range of scores provided', () => {
expect(Swedish.getGrade([43, 44])).toBe('4+')
expect(Swedish.getGrade([71, 72])).toBe('7/7+')
expect(Swedish.getGrade([12, 15])).toBe('2-/2')
expect(Swedish.getGrade([44, 55])).toBe('4+/5+')
})
})

describe('Get Grade Band', () => {
test('gets Gradeband', () => {
expect(Swedish.getGradeBand('1')).toEqual(GradeBands.BEGINNER)
expect(Swedish.getGradeBand('10')).toEqual(GradeBands.EXPERT)
})
})
})
218 changes: 109 additions & 109 deletions src/data/routes.csv
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Original file line number Diff line number Diff line change
@@ -1,109 +1,109 @@
score,yds,french,uiaa,ewbank,saxon,norwegian,brazilian_crux
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score,yds,french,uiaa,ewbank,saxon,norwegian,swedish,brazilian_crux
0,5.0,1a,1,1,1,1-,1-,I
1,5.0,1a,1,1,1,1-,1-,I
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11,5,1c+,1,4,1,2-,2-,Isup
12,5.1,2a,2,5,2,2,2-,Isup
13,5.1,2a,2,5,2,2,2-,Isup
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