1 | "use strict";
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2 | Object.defineProperty(exports, "__esModule", { value: true });
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3 | const events_1 = require("events");
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4 | const isWindows = process.platform === 'win32';
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5 | exports.ICON_SUCCESS = isWindows ? '√' : '✔';
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6 | exports.ICON_FAILURE = isWindows ? '×' : '✖';
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7 | const SPINNER_FRAMES = isWindows ?
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8 | ['-', '\\', '|', '/'] :
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9 | ['⠋', '⠙', '⠹', '⠸', '⠼', '⠴', '⠦', '⠧', '⠇', '⠏'];
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10 | class Spinner {
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11 | constructor(frames = SPINNER_FRAMES) {
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12 | this.frames = frames;
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13 | this.i = 0;
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14 | }
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15 | frame() {
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16 | return this.frames[this.i = ++this.i % this.frames.length];
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17 | }
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18 | }
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19 | exports.Spinner = Spinner;
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20 | class Task extends events_1.EventEmitter {
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21 | constructor({ msg = '', tickInterval } = {}) {
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22 | super();
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23 | this.running = false;
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24 | this._msg = '';
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25 | this._success = false;
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26 | this.msg = msg;
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27 | this.tickInterval = tickInterval;
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28 | }
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29 | get msg() {
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30 | return this._msg;
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31 | }
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32 | set msg(msg) {
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33 | this._msg = msg;
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34 | this.tick();
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35 | }
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36 | start() {
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37 | if (!this.running && this.tickInterval) {
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38 | this.intervalId = setInterval(() => { this.tick(); }, this.tickInterval);
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39 | }
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40 | this.running = true;
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41 | this._startTime = process.hrtime();
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42 | return this;
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43 | }
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44 | tick() {
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45 | this.emit('tick');
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46 | return this;
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47 | }
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48 | progress(prog, total) {
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49 | this.progressRatio = prog / total;
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50 | this.tick();
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51 | return this;
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52 | }
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53 | clear() {
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54 | if (this.intervalId) {
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55 | clearInterval(this.intervalId);
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56 | this.intervalId = undefined;
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57 | }
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58 | this.emit('clear');
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59 | return this;
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60 | }
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61 | end() {
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62 | this.running = false;
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63 | this.tick();
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64 | this.clear();
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65 | this.emit('end', {
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66 | elapsedTime: process.hrtime(this._startTime),
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67 | success: this._success,
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68 | });
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69 | return this;
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70 | }
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71 | succeed() {
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72 | if (this.running) {
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73 | this._success = true;
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74 | this.end();
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75 | this.emit('success');
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76 | }
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77 | return this;
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78 | }
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79 | fail() {
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80 | if (this.running) {
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81 | this._success = false;
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82 | this.end();
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83 | this.emit('failure');
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84 | }
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85 | return this;
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86 | }
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87 | }
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88 | exports.Task = Task;
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89 | class TaskChain extends events_1.EventEmitter {
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90 | constructor({ taskOptions = {} } = {}) {
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91 | super();
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92 | this.tasks = [];
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93 | this.taskOptions = taskOptions;
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94 | }
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95 | next(msg) {
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96 | return this.nextTask(this.createTask({ msg, ...this.taskOptions }));
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97 | }
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98 | createTask(options) {
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99 | return new Task(options);
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100 | }
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101 | nextTask(task) {
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102 | if (this.current) {
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103 | this.current.succeed();
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104 | }
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105 | this.tasks.push(task);
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106 | this.current = task;
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107 | task.start();
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108 | this.emit('next', task);
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109 | return task;
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110 | }
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111 | end() {
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112 | const task = this.current;
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113 | if (task) {
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114 | task.succeed();
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115 | }
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116 | this.current = undefined;
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117 | this.emit('end', task);
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118 | return this;
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119 | }
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120 | fail() {
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121 | const task = this.current;
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122 | if (task) {
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123 | task.fail();
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124 | }
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125 | this.emit('failure', task);
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126 | return this;
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127 | }
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128 | cleanup() {
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129 | for (const task of this.tasks) {
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130 | if (task.running) {
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131 | task.fail();
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132 | }
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133 | else {
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134 | task.clear();
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135 | }
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136 | }
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137 | return this;
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138 | }
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139 | }
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140 | exports.TaskChain = TaskChain;
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