All files / data_handler retrievers.ts

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import {Entity} from '../types'
 
export function single(this: Entity, v: string, t: number) {
  Iif (t < 0) return NaN
  if (this.variables[v].is_time) {
    return Array.isArray(this.time.value) && t < this.time.value.length ? this.time.value[t] : NaN
  } else {
    v = this.variables[v].code
    return 0 === t && v in this.data ? this.data[v] : NaN
  }
}
 
export function multi(this: Entity, v: string, t: number) {
  Iif (t < 0) return NaN
  if (this.variables[v].is_time) {
    return Array.isArray(this.time.value) ? this.time.value[t] : this.time.value
  } else {
    v = this.variables[v].code
    const value = this.data[v]
    return (
      v in this.data ?
        Array.isArray(value) ?
          t < value.length ?
            value[t]
          : NaN
        : 0 === t ? value
        : NaN
      : NaN
    )
  }
}
 
export function row_time(
  this: {i: number; o: number; format_value: Function},
  d: number[],
  type: string,
  row: {offset: number; int: boolean},
) {
  const i = this.i - (row.offset - this.o)
  return (
    d && i >= 0 && i < d.length ?
      'number' === typeof d[i] ?
        this.format_value(d[i], row.int)
      : d[i]
    : NaN
  )
}