119 lines
2.4 KiB
TypeScript
119 lines
2.4 KiB
TypeScript
'use strict'
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const uuid = require('uuid').v4
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const log = require('../log')('seq')
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import '../delay'
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/** Object sequence features */
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class Sequence {
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public _state : any = {
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arr : [],
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active : false,
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paused : false,
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frame: false,
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delay : false,
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count : 0,
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stop : null
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}
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public _loop : any = {
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arr : [],
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count : 0,
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max : 0
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}
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constructor () {
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}
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public start (options : any, cb : Function) {
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if (this._state.active) {
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return false
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}
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this._state.active = true
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this._state.count = 0
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if (options.arr) {
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this._state.arr = options.arr
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}
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if (options.loop) {
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this._loop.arr = options.loop
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this._loop.count = 0
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}
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if (options.maxLoop) {
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this._loop.max = options.maxLoop
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} else {
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this._loop.max = 0
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}
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this._state.stop = cb
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this.step()
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this._state.id = uuid()
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return this._state.id
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}
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public setStop () {
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this._state.active = false
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}
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public stop = function () {
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this._state.active = false
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this._state.count = 0
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this._state.arr = []
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this._loop.count = 0
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this._loop.max = 0
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this._loop.arr = []
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if (this._state.stop) this._state.stop()
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this._state.stop = null
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}
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public pause () {
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this._state.paused = true
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}
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public resume () {
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this._state.paused = false
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this.step()
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}
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public step () {
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if (this._state.active && !this._state.paused) {
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if (this._state.arr.length > 0) {
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if (this._state.count > this._state.arr.length - 1) {
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return this.stop()
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}
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log.info('step', { count : this._state.count, id : this._state.id })
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return this._state.arr[this._state.count](() => {
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this._state.count++
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this.step()
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})
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} else if (this._loop.arr.length > 0) {
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if (this._state.count > this._loop.arr.length - 1) {
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this._state.count = 0
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this._loop.count++
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}
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if (this._loop.max > 0 && this._loop.count > this._loop.max) {
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return this.stop()
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}
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log.info('step', { count : this._state.count, id : this._state.id })
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return this._loop.arr[this._state.count](() => {
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this._state.count++
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this.step()
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})
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} else{
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return this.stop()
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}
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} else if (this._state.paused) {
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log.info('step', 'Sequence paused', { loop : this._loop.count, count : this._state.count })
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} else if (!this._state.active) {
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log.info('step', 'Sequence stopped', { loop : this._loop.count, count : this._state.count })
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}
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}
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}
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module.exports = new Sequence(); |