\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/alt/alt-nodejs19/root/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/

Viewing File: tracker.js

const _progress = Symbol('_progress')
const _onError = Symbol('_onError')
const _setProgress = Symbol('_setProgess')
const npmlog = require('npmlog')

module.exports = cls => class Tracker extends cls {
  constructor (options = {}) {
    super(options)
    this[_setProgress] = !!options.progress
    this[_progress] = new Map()
  }

  addTracker (section, subsection = null, key = null) {
    if (section === null || section === undefined) {
      this[_onError](`Tracker can't be null or undefined`)
    }

    if (key === null) {
      key = subsection
    }

    const hasTracker = this[_progress].has(section)
    const hasSubtracker = this[_progress].has(`${section}:${key}`)

    if (hasTracker && subsection === null) {
      // 0. existing tracker, no subsection
      this[_onError](`Tracker "${section}" already exists`)
    } else if (!hasTracker && subsection === null) {
      // 1. no existing tracker, no subsection
      // Create a new tracker from npmlog
      // starts progress bar
      if (this[_setProgress] && this[_progress].size === 0) {
        npmlog.enableProgress()
      }

      this[_progress].set(section, npmlog.newGroup(section))
    } else if (!hasTracker && subsection !== null) {
      // 2. no parent tracker and subsection
      this[_onError](`Parent tracker "${section}" does not exist`)
    } else if (!hasTracker || !hasSubtracker) {
      // 3. existing parent tracker, no subsection tracker
      // Create a new subtracker in this[_progress] from parent tracker
      this[_progress].set(`${section}:${key}`,
        this[_progress].get(section).newGroup(`${section}:${subsection}`)
      )
    }
    // 4. existing parent tracker, existing subsection tracker
    // skip it
  }

  finishTracker (section, subsection = null, key = null) {
    if (section === null || section === undefined) {
      this[_onError](`Tracker can't be null or undefined`)
    }

    if (key === null) {
      key = subsection
    }

    const hasTracker = this[_progress].has(section)
    const hasSubtracker = this[_progress].has(`${section}:${key}`)

    // 0. parent tracker exists, no subsection
    // Finish parent tracker and remove from this[_progress]
    if (hasTracker && subsection === null) {
      // check if parent tracker does
      // not have any remaining children
      const keys = this[_progress].keys()
      for (const key of keys) {
        if (key.match(new RegExp(section + ':'))) {
          this.finishTracker(section, key)
        }
      }

      // remove parent tracker
      this[_progress].get(section).finish()
      this[_progress].delete(section)

      // remove progress bar if all
      // trackers are finished
      if (this[_setProgress] && this[_progress].size === 0) {
        npmlog.disableProgress()
      }
    } else if (!hasTracker && subsection === null) {
      // 1. no existing parent tracker, no subsection
      this[_onError](`Tracker "${section}" does not exist`)
    } else if (!hasTracker || hasSubtracker) {
      // 2. subtracker exists
      // Finish subtracker and remove from this[_progress]
      this[_progress].get(`${section}:${key}`).finish()
      this[_progress].delete(`${section}:${key}`)
    }
    // 3. existing parent tracker, no subsection
  }

  [_onError] (msg) {
    if (this[_setProgress]) {
      npmlog.disableProgress()
    }
    throw new Error(msg)
  }
}