133 lines
8.0 KiB
JavaScript
133 lines
8.0 KiB
JavaScript
"use strict";
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const q = require("q");
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const rxjs_1 = require("rxjs");
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const plugins = require("./smartcli.plugins");
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// import classes
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const lik_1 = require("lik");
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class Smartcli {
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constructor() {
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/**
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* map of all Command/Promise objects to keep track
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*/
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this.allCommandPromisesMap = new lik_1.Objectmap();
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/**
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* map of all Trigger/Observable objects to keep track
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*/
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this.allTriggerObservablesMap = new lik_1.Objectmap();
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this.argv = plugins.yargs;
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this.questionsDone = q.defer();
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this.parseStarted = q.defer();
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}
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/**
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* adds an alias, meaning one equals the other in terms of command execution.
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*/
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addCommandAlias(keyArg, aliasArg) {
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this.argv = this.argv.alias(keyArg, aliasArg);
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return;
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}
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/**
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* adds a Command by returning a Promise that reacts to the specific commandString given.
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* Note: in e.g. "npm install something" the "install" is considered the command.
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*/
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addCommand(commandNameArg) {
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let done = q.defer();
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this.allCommandPromisesMap.add({
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commandName: commandNameArg,
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promise: done.promise
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});
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this.parseStarted.promise
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.then(() => {
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if (this.argv._.indexOf(commandNameArg) === 0) {
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done.resolve(this.argv);
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}
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else {
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done.reject(this.argv);
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}
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});
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return done.promise;
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}
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/**
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* gets a Promise for a command word
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*/
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getCommandPromiseByName(commandNameArg) {
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return this.allCommandPromisesMap.find(commandDeferredObjectArg => {
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return commandDeferredObjectArg.commandName === commandNameArg;
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}).promise;
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}
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/**
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* adds a Trigger. Like addCommand(), but returns an subscribable observable
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*/
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addTrigger(triggerNameArg) {
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let triggerSubject = new rxjs_1.Subject();
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this.allTriggerObservablesMap.add({
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triggerName: triggerNameArg,
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subject: triggerSubject
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});
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this.addCommand(triggerNameArg).then(() => {
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triggerSubject.next(this.argv);
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});
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return triggerSubject;
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}
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/**
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* execute trigger by name
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* @param commandNameArg - the name of the command to trigger
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*/
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trigger(triggerName) {
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let triggerSubject = this.allTriggerObservablesMap.find(triggerObservableObjectArg => {
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return triggerObservableObjectArg.triggerName === triggerName;
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}).subject;
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triggerSubject.next(this.argv);
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return triggerSubject;
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}
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/**
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* allows to specify help text to be printed above the rest of the help text
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*/
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addHelp(optionsArg) {
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this.addCommand('help').then(argvArg => {
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plugins.beautylog.log(optionsArg.helpText);
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});
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}
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/**
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* specify version to be printed for -v --version
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*/
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addVersion(versionArg) {
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this.version = versionArg;
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this.addCommandAlias('v', 'version');
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this.parseStarted.promise
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.then(() => {
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if (this.argv.v) {
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console.log(this.version);
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}
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});
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}
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/**
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* returns promise that is resolved when no commands are specified
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*/
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standardTask() {
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let done = q.defer();
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this.allCommandPromisesMap.add({
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commandName: 'standard',
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promise: done.promise
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});
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this.parseStarted.promise
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.then(() => {
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if (this.argv._.length === 0 && !this.argv.v) {
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done.resolve(this.argv);
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}
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else {
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done.reject(this.argv);
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}
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});
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return done.promise;
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}
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/**
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* start the process of evaluating commands
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*/
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startParse() {
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this.argv = this.argv.argv;
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this.parseStarted.resolve();
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return;
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}
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}
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exports.Smartcli = Smartcli;
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