bottle song

config.json

@@ -1270,6 +1270,19 @@
         "prerequisites": [],
         "difficulty": 3
       },
+      {
+        "slug": "bottle-song",
+        "name": "Bottle Song",
+        "uuid": "6bcfe2b6-e555-4c90-8c80-168730dd5ad3",
+        "practices": [],
+        "prerequisites": [],
+        "topics": [
+            "conditionals",
+            "loops",
+            "strings"
+        ],
+        "difficulty": 3
+      },
       {
         "slug": "rotational-cipher",
         "name": "Rotational Cipher",

exercises/practice/bottle-song/.docs/instructions.md

@@ -0,0 +1,57 @@
+# Instructions
+
+Recite the lyrics to that popular children's repetitive song: Ten Green Bottles.
+
+Note that not all verses are identical.
+
+```text
+Ten green bottles hanging on the wall,
+Ten green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be nine green bottles hanging on the wall.
+
+Nine green bottles hanging on the wall,
+Nine green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be eight green bottles hanging on the wall.
+
+Eight green bottles hanging on the wall,
+Eight green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be seven green bottles hanging on the wall.
+
+Seven green bottles hanging on the wall,
+Seven green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be six green bottles hanging on the wall.
+
+Six green bottles hanging on the wall,
+Six green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be five green bottles hanging on the wall.
+
+Five green bottles hanging on the wall,
+Five green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be four green bottles hanging on the wall.
+
+Four green bottles hanging on the wall,
+Four green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be three green bottles hanging on the wall.
+
+Three green bottles hanging on the wall,
+Three green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be two green bottles hanging on the wall.
+
+Two green bottles hanging on the wall,
+Two green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be one green bottle hanging on the wall.
+
+One green bottle hanging on the wall,
+One green bottle hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be no green bottles hanging on the wall.
+```

exercises/practice/bottle-song/.meta/config.json

@@ -0,0 +1,20 @@
+{
+    "authors": [
+      "Budmin"
+    ],
+    "files": {
+      "solution": [
+        "bottle-song.ts"
+      ],
+      "test": [
+        "bottle-song.test.ts"
+      ],
+      "example": [
+        ".meta/proof.ci.ts"
+      ]
+    },
+    "blurb": "Produce the lyrics to the popular children's repetitive song: Ten Green Bottles.",
+    "source": "Wikipedia",
+    "source_url": "https://en.wikipedia.org/wiki/Ten_Green_Bottles"
+  }
+

exercises/practice/bottle-song/.meta/proof.ci.ts

@@ -0,0 +1,39 @@
+const NUMBERS = [
+    "no",
+    "One",
+    "Two",
+    "Three",
+    "Four",
+    "Five",
+    "Six",
+    "Seven",
+    "Eight",
+    "Nine",
+    "Ten",
+]
+
+
+export const recite = (initialBottleCount: number, takeDownCount = 1): string[] => {
+    const out: string[] = []
+
+    for(let i = initialBottleCount; i > initialBottleCount - takeDownCount; i--) {
+        const currentBottles = i === 1 ? 'bottle' : 'bottles'
+        const nextBottles = i-1 === 1 ? 'bottle' : 'bottles'
+
+        out.push(...[
+            ...(Array(2).fill(`${NUMBERS[i]} green ${currentBottles} hanging on the wall,`)),
+            `And if one green bottle should accidentally fall,`,
+            `There'll be ${NUMBERS[i-1].toLowerCase()} green ${nextBottles} hanging on the wall.`
+        ])
+
+        if (initialBottleCount - takeDownCount !== i -1) {
+            out.push('')
+        }
+
+    }
+
+    return out
+}
+
+
+

exercises/practice/bottle-song/.meta/tests.toml

@@ -0,0 +1,31 @@
+# This is an auto-generated file.
+#
+# Regenerating this file via `configlet sync` will:
+# - Recreate every `description` key/value pair
+# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications
+# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion)
+# - Preserve any other key/value pair
+#
+# As user-added comments (using the # character) will be removed when this file
+# is regenerated, comments can be added via a `comment` key.
+
+[d4ccf8fc-01dc-48c0-a201-4fbeb30f2d03]
+description = "verse -> single verse -> first generic verse"
+
+[0f0aded3-472a-4c64-b842-18d4f1f5f030]
+description = "verse -> single verse -> last generic verse"
+
+[f61f3c97-131f-459e-b40a-7428f3ed99d9]
+description = "verse -> single verse -> verse with 2 bottles"
+
+[05eadba9-5dbd-401e-a7e8-d17cc9baa8e0]
+description = "verse -> single verse -> verse with 1 bottle"
+
+[a4a28170-83d6-4dc1-bd8b-319b6abb6a80]
+description = "lyrics -> multiple verses -> first two verses"
+
+[3185d438-c5ac-4ce6-bcd3-02c9ff1ed8db]
+description = "lyrics -> multiple verses -> last three verses"
+
+[28c1584a-0e51-4b65-9ae2-fbc0bf4bbb28]
+description = "lyrics -> multiple verses -> all verses"

exercises/practice/bottle-song/.vscode/extensions.json

@@ -0,0 +1,7 @@
+{
+  "recommendations": [
+    "arcanis.vscode-zipfs",
+    "dbaeumer.vscode-eslint",
+    "esbenp.prettier-vscode"
+  ]
+}

exercises/practice/bottle-song/.vscode/settings.json

@@ -0,0 +1,7 @@
+{
+  "cSpell.words": ["exercism"],
+  "search.exclude": {
+    "**/.yarn": true,
+    "**/.pnp.*": true
+  }
+}

exercises/practice/bottle-song/.yarnrc.yml

@@ -0,0 +1,3 @@
+compressionLevel: mixed
+
+enableGlobalCache: true

exercises/practice/bottle-song/babel.config.cjs

@@ -0,0 +1,5 @@
+module.exports = {
+  // eslint-disable-next-line @typescript-eslint/no-require-imports
+  presets: [[require('@exercism/babel-preset-typescript'), { corejs: '3.38' }]],
+  plugins: [],
+}

exercises/practice/bottle-song/bottle-song.test.ts

@@ -0,0 +1,142 @@
+import { describe, expect, it, xit } from '@jest/globals'
+import { recite } from './bottle-song.ts'
+
+describe('Bottle Song', () => {
+  describe('verse', () => {
+    describe('single verse', () => {
+      it('first generic verse', () => {
+        const expected = [
+          `Ten green bottles hanging on the wall,`,
+          `Ten green bottles hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be nine green bottles hanging on the wall.`,
+        ]
+        expect(recite(10, 1)).toEqual(expected)
+      })
+
+      xit('last generic verse', () => {
+        const expected = [
+          `Three green bottles hanging on the wall,`,
+          `Three green bottles hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be two green bottles hanging on the wall.`,
+        ]
+        expect(recite(3, 1)).toEqual(expected)
+      })
+
+      xit('verse with 2 bottles', () => {
+        const expected = [
+          `Two green bottles hanging on the wall,`,
+          `Two green bottles hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be one green bottle hanging on the wall.`,
+        ]
+        expect(recite(2, 1)).toEqual(expected)
+      })
+
+      xit('verse with 1 bottle', () => {
+        const expected = [
+          `One green bottle hanging on the wall,`,
+          `One green bottle hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be no green bottles hanging on the wall.`,
+        ]
+        expect(recite(1, 1)).toEqual(expected)
+      })
+    })
+  })
+
+  describe('lyrics', () => {
+    describe('multiple verses', () => {
+      xit('first two verses', () => {
+        const expected = [
+          `Ten green bottles hanging on the wall,`,
+          `Ten green bottles hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be nine green bottles hanging on the wall.`,
+          ``,
+          `Nine green bottles hanging on the wall,`,
+          `Nine green bottles hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be eight green bottles hanging on the wall.`,
+        ]
+        expect(recite(10, 2)).toEqual(expected)
+      })
+
+      xit('last three verses', () => {
+        const expected = [
+          `Three green bottles hanging on the wall,`,
+          `Three green bottles hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be two green bottles hanging on the wall.`,
+          ``,
+          `Two green bottles hanging on the wall,`,
+          `Two green bottles hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be one green bottle hanging on the wall.`,
+          ``,
+          `One green bottle hanging on the wall,`,
+          `One green bottle hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be no green bottles hanging on the wall.`,
+        ]
+        expect(recite(3, 3)).toEqual(expected)
+      })
+
+      xit('all verses', () => {
+        const expected = [
+          `Ten green bottles hanging on the wall,`,
+          `Ten green bottles hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be nine green bottles hanging on the wall.`,
+          ``,
+          `Nine green bottles hanging on the wall,`,
+          `Nine green bottles hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be eight green bottles hanging on the wall.`,
+          ``,
+          `Eight green bottles hanging on the wall,`,
+          `Eight green bottles hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be seven green bottles hanging on the wall.`,
+          ``,
+          `Seven green bottles hanging on the wall,`,
+          `Seven green bottles hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be six green bottles hanging on the wall.`,
+          ``,
+          `Six green bottles hanging on the wall,`,
+          `Six green bottles hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be five green bottles hanging on the wall.`,
+          ``,
+          `Five green bottles hanging on the wall,`,
+          `Five green bottles hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be four green bottles hanging on the wall.`,
+          ``,
+          `Four green bottles hanging on the wall,`,
+          `Four green bottles hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be three green bottles hanging on the wall.`,
+          ``,
+          `Three green bottles hanging on the wall,`,
+          `Three green bottles hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be two green bottles hanging on the wall.`,
+          ``,
+          `Two green bottles hanging on the wall,`,
+          `Two green bottles hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be one green bottle hanging on the wall.`,
+          ``,
+          `One green bottle hanging on the wall,`,
+          `One green bottle hanging on the wall,`,
+          `And if one green bottle should accidentally fall,`,
+          `There'll be no green bottles hanging on the wall.`,
+        ]
+        expect(recite(10, 10)).toEqual(expected)
+      })
+    })
+  })
+})

exercises/practice/bottle-song/bottle-song.ts

@@ -0,0 +1,4 @@
+
+export const recite = (initialBottleCount: unknown, takeDownCount: unknown): unknown => {
+    throw new Error('Remove this statement and implement this function')
+}

exercises/practice/bottle-song/eslint.config.mjs

@@ -0,0 +1,26 @@
+// @ts-check
+
+import tsEslint from 'typescript-eslint'
+import config from '@exercism/eslint-config-typescript'
+import maintainersConfig from '@exercism/eslint-config-typescript/maintainers.mjs'
+
+export default [
+  ...tsEslint.config(...config, {
+    files: ['.meta/proof.ci.ts', '.meta/exemplar.ts', '*.test.ts'],
+    extends: maintainersConfig,
+  }),
+  {
+    ignores: [
+      // # Protected or generated
+      '.git/**/*',
+      '.vscode/**/*',
+
+      //# When using npm
+      'node_modules/**/*',
+
+      // # Configuration files
+      'babel.config.cjs',
+      'jest.config.cjs',
+    ],
+  },
+]

exercises/practice/bottle-song/jest.config.cjs

@@ -0,0 +1,22 @@
+module.exports = {
+  verbose: true,
+  projects: ['<rootDir>'],
+  testMatch: [
+    '**/__tests__/**/*.[jt]s?(x)',
+    '**/test/**/*.[jt]s?(x)',
+    '**/?(*.)+(spec|test).[jt]s?(x)',
+  ],
+  testPathIgnorePatterns: [
+    '/(?:production_)?node_modules/',
+    '.d.ts$',
+    '<rootDir>/test/fixtures',
+    '<rootDir>/test/helpers',
+    '__mocks__',
+  ],
+  transform: {
+    '^.+\\.[jt]sx?$': 'babel-jest',
+  },
+  moduleNameMapper: {
+    '^(\\.\\/.+)\\.js$': '$1',
+  },
+}