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chore: apply updated code style automatically
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166 files changed

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‎Backtracking/KnightTour.js

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -19,7 +19,9 @@ class OpenKnightTour {
1919
[i - 1, j + 2]
2020
]
2121

22-
return moves.filter(([y, x]) => y >= 0 && y < this.size && x >= 0 && x < this.size)
22+
return moves.filter(
23+
([y, x]) => y >= 0 && y < this.size && x >= 0 && x < this.size
24+
)
2325
}
2426

2527
isComplete() {

‎Backtracking/RatInAMaze.js

Lines changed: 7 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -22,15 +22,19 @@
2222
* @throws TypeError When the given grid is invalid.
2323
*/
2424
function validateGrid(grid) {
25-
if (!Array.isArray(grid) || grid.length === 0) throw new TypeError('Grid must be a non-empty array')
25+
if (!Array.isArray(grid) || grid.length === 0)
26+
throw new TypeError('Grid must be a non-empty array')
2627

27-
const allRowsHaveCorrectLength = grid.every((row) => row.length === grid.length)
28+
const allRowsHaveCorrectLength = grid.every(
29+
(row) => row.length === grid.length
30+
)
2831
if (!allRowsHaveCorrectLength) throw new TypeError('Grid must be a square')
2932

3033
const allCellsHaveValidValues = grid.every((row) => {
3134
return row.every((cell) => cell === 0 || cell === 1)
3235
})
33-
if (!allCellsHaveValidValues) throw new TypeError('Grid must only contain 0s and 1s')
36+
if (!allCellsHaveValidValues)
37+
throw new TypeError('Grid must only contain 0s and 1s')
3438
}
3539

3640
function isSafe(grid, x, y) {

‎Backtracking/Sudoku.js

Lines changed: 7 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -66,7 +66,13 @@ class Sudoku {
6666
if (i % 3 === 0 && i !== 0) {
6767
output('- - - - - - - - - - - -')
6868
}
69-
output(...this.getSection(i, [0, 3]), ' | ', ...this.getSection(i, [3, 6]), ' | ', ...this.getSection(i, [6, 9]))
69+
output(
70+
...this.getSection(i, [0, 3]),
71+
' | ',
72+
...this.getSection(i, [3, 6]),
73+
' | ',
74+
...this.getSection(i, [6, 9])
75+
)
7076
}
7177
}
7278
}

‎Backtracking/SumOfSubset.js

Lines changed: 7 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -45,7 +45,13 @@ const sumOfSubset = (set, subset, setindex, sum, targetSum) => {
4545
const nextSum = sum + num
4646

4747
// Call recursively the sumOfSubset for the nextSubset
48-
const subsetResult = sumOfSubset(set, nextSubset, nextSetIndex, nextSum, targetSum)
48+
const subsetResult = sumOfSubset(
49+
set,
50+
nextSubset,
51+
nextSetIndex,
52+
nextSum,
53+
targetSum
54+
)
4955

5056
// Concat the recursive result with current result array
5157
results = [...results, ...subsetResult]

‎Backtracking/tests/GenerateParentheses.test.js

Lines changed: 7 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,11 @@
11
import { generateParentheses } from '../generateParentheses'
22

33
test('generate all valid parentheses of input 3', () => {
4-
expect(generateParentheses(3)).toStrictEqual(['((()))', '(()())', '(())()', '()(())', '()()()'])
4+
expect(generateParentheses(3)).toStrictEqual([
5+
'((()))',
6+
'(()())',
7+
'(())()',
8+
'()(())',
9+
'()()()'
10+
])
511
})

‎Cellular-Automata/ConwaysGameOfLife.js

Lines changed: 7 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -20,17 +20,21 @@ export function newGeneration(cells) {
2020
let neighbourCount = 0
2121
if (i > 0 && j > 0) neighbourCount += cells[i - 1][j - 1]
2222
if (i > 0) neighbourCount += cells[i - 1][j]
23-
if (i > 0 && j < cells[i].length - 1) neighbourCount += cells[i - 1][j + 1]
23+
if (i > 0 && j < cells[i].length - 1)
24+
neighbourCount += cells[i - 1][j + 1]
2425
if (j > 0) neighbourCount += cells[i][j - 1]
2526
if (j < cells[i].length - 1) neighbourCount += cells[i][j + 1]
2627
if (i < cells.length - 1 && j > 0) neighbourCount += cells[i + 1][j - 1]
2728
if (i < cells.length - 1) neighbourCount += cells[i + 1][j]
28-
if (i < cells.length - 1 && j < cells[i].length - 1) neighbourCount += cells[i + 1][j + 1]
29+
if (i < cells.length - 1 && j < cells[i].length - 1)
30+
neighbourCount += cells[i + 1][j + 1]
2931

3032
// Decide whether the cell is alive or dead
3133
const alive = cells[i][j] === 1
3234

33-
const cellIsAlive = (alive && neighbourCount >= 2 && neighbourCount <= 3) || (!alive && neighbourCount === 3)
35+
const cellIsAlive =
36+
(alive && neighbourCount >= 2 && neighbourCount <= 3) ||
37+
(!alive && neighbourCount === 3)
3438

3539
nextGenerationRow.push(cellIsAlive ? 1 : 0)
3640
}

‎Cellular-Automata/Elementary.js

Lines changed: 9 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -70,13 +70,19 @@ export function getNextElementaryGeneration(generation, rule) {
7070
const MAX_RULE = 255
7171

7272
if (!Number.isInteger(rule)) {
73-
throw new Error(`Rule must be an integer between the values 0 and 255 (got ${rule})`)
73+
throw new Error(
74+
`Rule must be an integer between the values 0 and 255 (got ${rule})`
75+
)
7476
}
7577
if (rule < MIN_RULE || rule > MAX_RULE) {
76-
throw new RangeError(`Rule must be an integer between the values 0 and 255 (got ${rule})`)
78+
throw new RangeError(
79+
`Rule must be an integer between the values 0 and 255 (got ${rule})`
80+
)
7781
}
7882

79-
const binaryRule = rule.toString(2).padStart(NUM_ELEMENTARY_NEIGHBORHOOD_STATES, '0')
83+
const binaryRule = rule
84+
.toString(2)
85+
.padStart(NUM_ELEMENTARY_NEIGHBORHOOD_STATES, '0')
8086
const ruleData = binaryRule.split('').map((bit) => Number.parseInt(bit)) // note that ruleData[0] represents "all alive" while ruleData[7] represents "all dead"
8187
const output = new Array(generation.length)
8288
const LEFT_DEAD = 4 // 100 in binary

‎Cellular-Automata/test/Elementary.test.js

Lines changed: 69 additions & 61 deletions
Original file line numberDiff line numberDiff line change
@@ -3,129 +3,137 @@ import { getNextElementaryGeneration } from '../Elementary'
33
describe('Elementary Cellular Automata', () => {
44
describe('Rule Errors', () => {
55
it('Correct', () => {
6-
expect(() => getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 128)).not.toThrow()
6+
expect(() =>
7+
getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 128)
8+
).not.toThrow()
79
})
810

911
it('Less than 0', () => {
10-
expect(() => getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], -1)).toThrow()
12+
expect(() =>
13+
getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], -1)
14+
).toThrow()
1115
})
1216

1317
it('Greater than 255', () => {
14-
expect(() => getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 256)).toThrow()
18+
expect(() =>
19+
getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 256)
20+
).toThrow()
1521
})
1622

1723
it('Decimal', () => {
18-
expect(() => getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 100.4)).toThrow()
24+
expect(() =>
25+
getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 100.4)
26+
).toThrow()
1927
})
2028
})
2129

2230
describe('Rule 54 Iterations', () => {
2331
it('Generation 1', () => {
24-
expect(getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 54)).toEqual([
25-
0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0
26-
])
32+
expect(
33+
getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 54)
34+
).toEqual([0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0])
2735
})
2836
it('Generation 2', () => {
29-
expect(getNextElementaryGeneration([0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0], 54)).toEqual([
30-
0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0
31-
])
37+
expect(
38+
getNextElementaryGeneration([0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0], 54)
39+
).toEqual([0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0])
3240
})
3341
it('Generation 3', () => {
34-
expect(getNextElementaryGeneration([0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0], 54)).toEqual([
35-
0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0
36-
])
42+
expect(
43+
getNextElementaryGeneration([0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0], 54)
44+
).toEqual([0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0])
3745
})
3846
it('Generation 4', () => {
39-
expect(getNextElementaryGeneration([0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0], 54)).toEqual([
40-
0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0
41-
])
47+
expect(
48+
getNextElementaryGeneration([0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0], 54)
49+
).toEqual([0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0])
4250
})
4351
})
4452

4553
describe('Rule 222 Iterations', () => {
4654
it('Generation 1', () => {
47-
expect(getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 222)).toEqual([
48-
0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0
49-
])
55+
expect(
56+
getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 222)
57+
).toEqual([0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0])
5058
})
5159
it('Generation 2', () => {
52-
expect(getNextElementaryGeneration([0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0], 222)).toEqual([
53-
0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0
54-
])
60+
expect(
61+
getNextElementaryGeneration([0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0], 222)
62+
).toEqual([0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0])
5563
})
5664
it('Generation 3', () => {
57-
expect(getNextElementaryGeneration([0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0], 222)).toEqual([
58-
0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0
59-
])
65+
expect(
66+
getNextElementaryGeneration([0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0], 222)
67+
).toEqual([0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0])
6068
})
6169
it('Generation 4', () => {
62-
expect(getNextElementaryGeneration([0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0], 222)).toEqual([
63-
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0
64-
])
70+
expect(
71+
getNextElementaryGeneration([0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0], 222)
72+
).toEqual([0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0])
6573
})
6674
})
6775

6876
describe('Rule 60 Iterations', () => {
6977
it('Generation 1', () => {
70-
expect(getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 60)).toEqual([
71-
0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0
72-
])
78+
expect(
79+
getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 60)
80+
).toEqual([0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0])
7381
})
7482
it('Generation 2', () => {
75-
expect(getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0], 60)).toEqual([
76-
0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0
77-
])
83+
expect(
84+
getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0], 60)
85+
).toEqual([0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0])
7886
})
7987
it('Generation 3', () => {
80-
expect(getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0], 60)).toEqual([
81-
0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0
82-
])
88+
expect(
89+
getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0], 60)
90+
).toEqual([0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0])
8391
})
8492
it('Generation 4', () => {
85-
expect(getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0], 60)).toEqual([
86-
0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0
87-
])
93+
expect(
94+
getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0], 60)
95+
).toEqual([0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0])
8896
})
8997
})
9098

9199
describe('Rule 90 Iterations', () => {
92100
it('Generation 1', () => {
93-
expect(getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 90)).toEqual([
94-
0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0
95-
])
101+
expect(
102+
getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 90)
103+
).toEqual([0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0])
96104
})
97105
it('Generation 2', () => {
98-
expect(getNextElementaryGeneration([0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0], 90)).toEqual([
99-
0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0
100-
])
106+
expect(
107+
getNextElementaryGeneration([0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0], 90)
108+
).toEqual([0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0])
101109
})
102110
it('Generation 3', () => {
103-
expect(getNextElementaryGeneration([0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0], 90)).toEqual([
104-
0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0
105-
])
111+
expect(
112+
getNextElementaryGeneration([0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0], 90)
113+
).toEqual([0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0])
106114
})
107115
it('Generation 4', () => {
108-
expect(getNextElementaryGeneration([0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0], 90)).toEqual([
109-
0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0
110-
])
116+
expect(
117+
getNextElementaryGeneration([0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0], 90)
118+
).toEqual([0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0])
111119
})
112120
})
113121

114122
describe('Rule 30 Iterations', () => {
115123
it('Generation 1', () => {
116-
expect(getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 30)).toEqual([
117-
0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0
118-
])
124+
expect(
125+
getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 30)
126+
).toEqual([0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0])
119127
})
120128
it('Generation 2', () => {
121-
expect(getNextElementaryGeneration([0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0], 30)).toEqual([
122-
0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0
123-
])
129+
expect(
130+
getNextElementaryGeneration([0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0], 30)
131+
).toEqual([0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0])
124132
})
125133
it('Generation 3', () => {
126-
expect(getNextElementaryGeneration([0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0], 30)).toEqual([
127-
0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0
128-
])
134+
expect(
135+
getNextElementaryGeneration([0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0], 30)
136+
).toEqual([0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0])
129137
})
130138
})
131139
})

‎Ciphers/CaesarCipher.js

Lines changed: 7 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -11,9 +11,14 @@ const caesarCipher = (str, rotation) => {
1111
throw new TypeError('Arguments are invalid')
1212
}
1313

14-
const alphabets = new Array(26).fill().map((_, index) => String.fromCharCode(97 + index)) // generate all lower alphabets array a-z
14+
const alphabets = new Array(26)
15+
.fill()
16+
.map((_, index) => String.fromCharCode(97 + index)) // generate all lower alphabets array a-z
1517

16-
const cipherMap = alphabets.reduce((map, char, index) => map.set(char, alphabets[(rotation + index) % 26]), new Map())
18+
const cipherMap = alphabets.reduce(
19+
(map, char, index) => map.set(char, alphabets[(rotation + index) % 26]),
20+
new Map()
21+
)
1722

1823
return str.replace(/[a-z]/gi, (char) => {
1924
if (/[A-Z]/.test(char)) {

‎Ciphers/KeywordShiftedAlphabet.js

Lines changed: 15 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -69,8 +69,11 @@ function translate(sourceAlphabet, targetAlphabet, message) {
6969
return message.split('').reduce((encryptedMessage, char) => {
7070
const isUpperCase = char === char.toUpperCase()
7171
const encryptedCharIndex = sourceAlphabet.indexOf(char.toLowerCase())
72-
const encryptedChar = encryptedCharIndex !== -1 ? targetAlphabet[encryptedCharIndex] : char
73-
encryptedMessage += isUpperCase ? encryptedChar.toUpperCase() : encryptedChar
72+
const encryptedChar =
73+
encryptedCharIndex !== -1 ? targetAlphabet[encryptedCharIndex] : char
74+
encryptedMessage += isUpperCase
75+
? encryptedChar.toUpperCase()
76+
: encryptedChar
7477
return encryptedMessage
7578
}, '')
7679
}
@@ -87,12 +90,20 @@ function checkInputs(keyword, message) {
8790

8891
function encrypt(keyword, message) {
8992
checkInputs(keyword, message)
90-
return translate(alphabet, getEncryptedAlphabet(keyword.toLowerCase()), message)
93+
return translate(
94+
alphabet,
95+
getEncryptedAlphabet(keyword.toLowerCase()),
96+
message
97+
)
9198
}
9299

93100
function decrypt(keyword, message) {
94101
checkInputs(keyword, message)
95-
return translate(getEncryptedAlphabet(keyword.toLowerCase()), alphabet, message)
102+
return translate(
103+
getEncryptedAlphabet(keyword.toLowerCase()),
104+
alphabet,
105+
message
106+
)
96107
}
97108

98109
export { encrypt, decrypt }

‎Ciphers/MorseCode.js

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -73,7 +73,9 @@ const morse = (msg, dot = '*', dash = '-') => {
7373
.split('')
7474
.forEach((e) => {
7575
if (/[a-zA-Z]/.test(e)) {
76-
newMsg += key[e.toUpperCase()].replaceAll('*', dot).replaceAll('-', dash)
76+
newMsg += key[e.toUpperCase()]
77+
.replaceAll('*', dot)
78+
.replaceAll('-', dash)
7779
} else if (Object.keys(key).includes(e)) {
7880
newMsg += key[e].replaceAll('*', dot).replaceAll('-', dash)
7981
} else {

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