103 lines
3.0 KiB
JavaScript
103 lines
3.0 KiB
JavaScript
'use strict';
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const uuid = require('uuid').v4;
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const log = require('../log')('seq');
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/** Object sequence features */
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const sequence = {};
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sequence._state = {
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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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sequence._loop = {
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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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sequence.start = function (options, cb) {
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if (sequence._state.active) {
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return false;
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}
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sequence._state.active = true;
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sequence._state.count = 0;
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if (options.arr) {
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sequence._state.arr = options.arr;
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}
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if (options.loop) {
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sequence._loop.arr = options.loop;
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sequence._loop.count = 0;
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}
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if (options.maxLoop) {
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sequence._loop.max = options.maxLoop;
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}
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else {
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sequence._loop.max = 0;
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}
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sequence._state.stop = cb;
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sequence.step();
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sequence._state.id = uuid();
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return sequence._state.id;
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};
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sequence.setStop = function () {
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sequence._state.active = false;
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};
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sequence.stop = function () {
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sequence._state.active = false;
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sequence._state.count = 0;
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sequence._state.arr = [];
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sequence._loop.count = 0;
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sequence._loop.max = 0;
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sequence._loop.arr = [];
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if (sequence._state.stop)
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sequence._state.stop();
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sequence._state.stop = null;
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};
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sequence.pause = function () {
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sequence._state.paused = true;
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};
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sequence.resume = function () {
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sequence._state.paused = false;
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sequence.step();
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};
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sequence.step = function () {
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if (sequence._state.active && !sequence._state.paused) {
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if (sequence._state.arr.length > 0) {
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if (sequence._state.count > sequence._state.arr.length - 1) {
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return sequence.stop();
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}
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log.info('step', { count: sequence._state.count, id: sequence._state.id });
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return sequence._state.arr[sequence._state.count](() => {
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sequence._state.count++;
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sequence.step();
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});
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}
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else if (sequence._loop.arr.length > 0) {
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if (sequence._state.count > sequence._loop.arr.length - 1) {
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sequence._state.count = 0;
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sequence._loop.count++;
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}
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if (sequence._loop.max > 0 && sequence._loop.count > sequence._loop.max) {
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return sequence.stop();
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}
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log.info('step', { count: sequence._state.count, id: sequence._state.id });
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return sequence._loop.arr[sequence._state.count](() => {
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sequence._state.count++;
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sequence.step();
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});
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}
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else {
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return sequence.stop();
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}
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}
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else if (sequence._state.paused) {
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log.info('step', 'Sequence paused', { loop: sequence._loop.count, count: sequence._state.count });
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}
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else if (!sequence._state.active) {
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log.info('step', 'Sequence stopped', { loop: sequence._loop.count, count: sequence._state.count });
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}
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};
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module.exports = sequence;
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//# sourceMappingURL=index.js.map
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