282 lines
11 KiB
JavaScript
282 lines
11 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Task = void 0;
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const rxjs_1 = require("rxjs");
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const stream_1 = require("stream");
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const event_constants_1 = require("../constants/event.constants");
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const state_constants_1 = require("../constants/state.constants");
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const listr_error_interface_1 = require("../interfaces/listr-error.interface");
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const listr_1 = require("../listr");
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const assert_1 = require("../utils/assert");
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const renderer_1 = require("../utils/renderer");
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const uuid_1 = require("../utils/uuid");
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/**
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* Create a task from the given set of variables and make it runnable.
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*/
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class Task extends rxjs_1.Subject {
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constructor(listr, tasks, options, rendererOptions) {
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var _a, _b, _c, _d, _e, _f;
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super();
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this.listr = listr;
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this.tasks = tasks;
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this.options = options;
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this.rendererOptions = rendererOptions;
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/**
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* A channel for messages.
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*
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* This requires a separate channel for messages like error, skip or runtime messages to further utilize in the renderers.
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*/
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this.message = {};
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// this kind of randomness is enough for task ids
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this.id = (0, uuid_1.generateUUID)();
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this.title = (_a = this.tasks) === null || _a === void 0 ? void 0 : _a.title;
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this.initialTitle = (_b = this.tasks) === null || _b === void 0 ? void 0 : _b.title;
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this.task = this.tasks.task;
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// parse functions
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this.skip = (_d = (_c = this.tasks) === null || _c === void 0 ? void 0 : _c.skip) !== null && _d !== void 0 ? _d : false;
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this.enabledFn = (_f = (_e = this.tasks) === null || _e === void 0 ? void 0 : _e.enabled) !== null && _f !== void 0 ? _f : true;
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// task options
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this.rendererTaskOptions = this.tasks.options;
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this.renderHook$ = this.listr.renderHook$;
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this.subscribe(() => {
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this.renderHook$.next();
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});
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}
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set state$(state) {
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this.state = state;
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this.next({
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type: event_constants_1.ListrEventType.STATE,
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data: state
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});
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// cancel the subtasks if this has already failed
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if (this.hasSubtasks() && this.hasFailed()) {
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for (const subtask of this.subtasks) {
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if (subtask.state === state_constants_1.ListrTaskState.PENDING) {
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subtask.state$ = state_constants_1.ListrTaskState.FAILED;
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}
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}
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}
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}
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set output$(data) {
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this.output = data;
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this.next({
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type: event_constants_1.ListrEventType.DATA,
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data
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});
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}
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set message$(data) {
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this.message = { ...this.message, ...data };
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this.next({
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type: event_constants_1.ListrEventType.MESSAGE,
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data
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});
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}
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set title$(title) {
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this.title = title;
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this.next({
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type: event_constants_1.ListrEventType.TITLE,
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data: title
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});
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}
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/**
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* A function to check whether this task should run at all via enable.
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*/
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async check(ctx) {
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// Check if a task is enabled or disabled
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if (this.state === undefined) {
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this.enabled = await (0, assert_1.assertFunctionOrSelf)(this.enabledFn, ctx);
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this.next({
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type: event_constants_1.ListrEventType.ENABLED,
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data: this.enabled
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});
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}
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}
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/** Returns whether this task has subtasks. */
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hasSubtasks() {
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var _a;
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return ((_a = this.subtasks) === null || _a === void 0 ? void 0 : _a.length) > 0;
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}
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/** Returns whether this task is in progress. */
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isPending() {
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return this.state === state_constants_1.ListrTaskState.PENDING;
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}
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/** Returns whether this task is skipped. */
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isSkipped() {
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return this.state === state_constants_1.ListrTaskState.SKIPPED;
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}
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/** Returns whether this task has been completed. */
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isCompleted() {
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return this.state === state_constants_1.ListrTaskState.COMPLETED;
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}
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/** Returns whether this task has been failed. */
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hasFailed() {
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return this.state === state_constants_1.ListrTaskState.FAILED;
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}
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/** Returns whether this task has an active rollback task going on. */
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isRollingBack() {
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return this.state === state_constants_1.ListrTaskState.ROLLING_BACK;
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}
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/** Returns whether the rollback action was successful. */
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hasRolledBack() {
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return this.state === state_constants_1.ListrTaskState.ROLLED_BACK;
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}
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/** Returns whether this task has an actively retrying task going on. */
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isRetrying() {
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return this.state === state_constants_1.ListrTaskState.RETRY;
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}
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/** Returns whether enabled function resolves to true. */
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isEnabled() {
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return this.enabled;
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}
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/** Returns whether this task actually has a title. */
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hasTitle() {
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return typeof (this === null || this === void 0 ? void 0 : this.title) === 'string';
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}
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/** Returns whether this task has a prompt inside. */
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isPrompt() {
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return this.prompt ? true : false;
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}
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/** Run the current task. */
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async run(context, wrapper) {
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var _a, _b, _c, _d, _e;
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const handleResult = (result) => {
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if (result instanceof listr_1.Listr) {
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// Detect the subtask
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// assign options
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result.options = { ...this.options, ...result.options };
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// switch to silent renderer since already rendering
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const rendererClass = (0, renderer_1.getRenderer)('silent');
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result.rendererClass = rendererClass.renderer;
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result.renderHook$.subscribe(() => {
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this.renderHook$.next();
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});
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// assign subtasks
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this.subtasks = result.tasks;
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this.next({ type: event_constants_1.ListrEventType.SUBTASK });
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result = result.run(context);
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}
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else if (this.isPrompt()) {
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// do nothing, it is already being handled
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}
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else if (result instanceof Promise) {
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// Detect promise
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result = result.then(handleResult);
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}
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else if (result instanceof stream_1.Readable) {
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// Detect stream
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result = new Promise((resolve, reject) => {
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result.on('data', (data) => {
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this.output$ = data.toString();
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});
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result.on('error', (error) => reject(error));
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result.on('end', () => resolve(null));
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});
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}
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else if (result instanceof rxjs_1.Observable) {
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// Detect Observable
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result = new Promise((resolve, reject) => {
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result.subscribe({
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next: (data) => {
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this.output$ = data;
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},
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error: reject,
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complete: resolve
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});
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});
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}
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return result;
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};
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const startTime = Date.now();
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// finish the task first
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this.state$ = state_constants_1.ListrTaskState.PENDING;
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// check if this function wants to be skipped
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const skipped = await (0, assert_1.assertFunctionOrSelf)(this.skip, context);
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if (skipped) {
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if (typeof skipped === 'string') {
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this.message$ = { skip: skipped };
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}
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else if (this.hasTitle()) {
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this.message$ = { skip: this.title };
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}
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else {
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this.message$ = { skip: 'Skipped task without a title.' };
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}
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this.state$ = state_constants_1.ListrTaskState.SKIPPED;
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return;
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}
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try {
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// add retry functionality
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const retryCount = ((_a = this.tasks) === null || _a === void 0 ? void 0 : _a.retry) && ((_b = this.tasks) === null || _b === void 0 ? void 0 : _b.retry) > 0 ? this.tasks.retry + 1 : 1;
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for (let retries = 1; retries <= retryCount; retries++) {
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try {
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// handle the results
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await handleResult(this.task(context, wrapper));
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break;
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}
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catch (err) {
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if (retries !== retryCount) {
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this.retry = { count: retries, withError: err };
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this.message$ = { retry: this.retry };
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this.title$ = this.initialTitle;
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this.output = undefined;
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wrapper.report(err);
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this.state$ = state_constants_1.ListrTaskState.RETRY;
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}
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else {
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throw err;
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}
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}
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}
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if (this.isPending() || this.isRetrying()) {
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this.message$ = { duration: Date.now() - startTime };
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this.state$ = state_constants_1.ListrTaskState.COMPLETED;
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}
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}
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catch (error) {
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// catch prompt error, this was the best i could do without going crazy
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if (this.prompt instanceof listr_error_interface_1.PromptError) {
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// eslint-disable-next-line no-ex-assign
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error = new Error(this.prompt.message);
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}
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// execute the task on error function
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if ((_c = this.tasks) === null || _c === void 0 ? void 0 : _c.rollback) {
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wrapper.report(error);
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try {
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this.state$ = state_constants_1.ListrTaskState.ROLLING_BACK;
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await this.tasks.rollback(context, wrapper);
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this.state$ = state_constants_1.ListrTaskState.ROLLED_BACK;
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this.message$ = { rollback: this.title };
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}
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catch (err) {
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this.state$ = state_constants_1.ListrTaskState.FAILED;
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wrapper.report(err);
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throw error;
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}
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if (((_d = this.listr.options) === null || _d === void 0 ? void 0 : _d.exitAfterRollback) !== false) {
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// Do not exit when explicitly set to `false`
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throw new Error(this.title);
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}
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}
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else {
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/* istanbul ignore if */
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if (error instanceof listr_error_interface_1.ListrError) {
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return;
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}
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// mark task as failed
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this.state$ = state_constants_1.ListrTaskState.FAILED;
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// report error
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wrapper.report(error);
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if (this.listr.options.exitOnError !== false && await (0, assert_1.assertFunctionOrSelf)((_e = this.tasks) === null || _e === void 0 ? void 0 : _e.exitOnError, context) !== false) {
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// Do not exit when explicitly set to `false`
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throw error;
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}
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}
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}
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finally {
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// Mark the observable as completed
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this.complete();
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}
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}
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}
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exports.Task = Task;
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