@brimdata/zealot/src/zed/values/field.ts

The Javascript Client for Zed Lakes

import {baseValue} from "../utils/base-value"
import {Record} from "./record"
import {Value} from "./types"

export class Field {
  constructor(
    public name: string,
    public value: Value,
    public parent: Record | Field | null
  ) {}

  /**
   * Alias for value
   */
  get data() {
    return this.value
  }

  get path() {
    let path: string[] = [this.name]
    let parent = this.parent
    while (parent && parent instanceof Field) {
      path.unshift(parent.name)
      parent = parent.parent
    }
    return path
  }

  get rootRecord() {
    let parent = this.parent
    while (parent && parent instanceof Field) {
      parent = parent.parent
    }
    if (parent instanceof Record) return parent
    else return null
  }

  get baseValue() {
    return baseValue(this.value)
  }
}