Sha256: ffd0dc4543040b9ad7bad27df11554b5353e8d91c64bf55fe694047f99899d51
Contents?: true
Size: 1.2 KB
Versions: 117
Compression:
Stored size: 1.2 KB
Contents
class Diamond {
public makeDiamond(input: string): string {
// A = 0, Z = 25
const inputIx = input.charCodeAt(0) - 65
const lines = []
for (let i = 0; i <= inputIx; i++) {
lines.push(this.getLine(inputIx, i))
}
for (let i = (inputIx - 1); i >= 0; i--) {
lines.push(lines[i])
}
return lines.join('\n') + '\n'
}
private getAlphaString(index: number): string {
if (index === 0) {
return `A`
}
const char = String.fromCharCode(index + 65)
const padding = ' '.repeat((index - 1) * 2 + 1)
return `${char}${padding}${char}`
}
private getLine(inputIx: number, index: number): string {
const difference = inputIx - index
const alphaStr = this.getAlphaString(index)
return `${this.padString(alphaStr, difference)}`
}
private padString(str: string, times: number) {
const spaces = ' '.repeat(times)
return `${spaces}${str}${spaces}`
}
}
/*
ex: D ->
loop:
A: D=3, A=0 -> 3 spaces, A, 3 spaces (special case)
B: D=3, B=1 -> 2 spaces, B, 1 space, B, 2 spaces
C: D=3, C=2 -> 1 space, C, 3 spaces, C, 1 space
D: D=3, D=3 -> 0 spaces, D, 5 spaces, D, 0 spaces
A
B B
C C
D D
C C
B B
A
*/
export default Diamond
Version data entries
117 entries across 117 versions & 1 rubygems