choco-algorithm/src/core/vector.js

Algorithm runtime emulator, like a IDE

class Vector {
  constructor (n) {
    if (n <= 0 || typeof n !== 'number')
      throw 'ERROR: invalid array argument'
    this.size = n
    this.i = 0
    this.array = []
  }
  add (v, i) {
    i--
    if (this.i < this.size && this.size > 0) {
      if (this.array[i] !== undefined)
        this.i++
      this.array[i] = v
    }
    else
      throw 'ERROR: array overflow'
  }
  show (n) {
    n--
    if (n < this.size && n >= 0)
      return this.array[n]
    else
      throw 'ERROR: array null point'
  }
  io (i) {
    return {
      add       : (v) => this.add(v, i),
      show      : () => this.show(i),
      toString  : () => this.show(i),
      is_vector : () => true
    }
  }
}

export default Vector