serverless/lib/ServerlessPlugin.js
Austen Collins 99e5856dbc FunctionRun & FunctionRunLambdaNodejs: Fix for new function json, show select menu when encountering multiple functions in s-function.json
ServerlessPlugin: Add selectFunctions conveninence method for use in all Plugins
2015-12-08 09:58:00 -08:00

133 lines
3.4 KiB
JavaScript

'use strict';
const SError = require('./ServerlessError'),
SUtils = require('./utils/index'),
SCli = require('./utils/cli'),
BbPromise = require('bluebird');
/**
* This is the base class that all Serverless Plugins should extend.
*/
class ServerlessPlugin {
/**
* Constructor
*/
constructor(S, config) {
this.S = S;
this.config = config;
}
/**
* Define your plugins name
*/
static getName() {
return 'com.yourdomain.' + ServerlessPlugin.name;
}
/**
* Register Actions
*/
registerActions() {
return BbPromise.resolve();
}
/**
* Register Hooks
*/
registerHooks() {
return BbPromise.resolve();
}
/**
* Prompt Input
* - Handy CLI Prompt Input function for Plugins
* @param promptSchema @see https://github.com/flatiron/prompt#prompting-with-validation-default-values-and-more-complex-properties
* @param overrides map {key: 'overrideValue'}
* @returns {Promise} containing answers by key
*/
promptInput(promptSchema, overrides) {
if (this.S._interactive) { //CLI
let Prompter = SCli.prompt();
Prompter.override = overrides;
return Prompter.getAsync(promptSchema);
} else if (this.S.isWebInterface) {
//TODO: implement
return BbPromise.reject(new SError('Not implemented', SError.errorCodes.UNKNOWN));
} else {
return BbPromise.resolve(); //in non interactive mode. All options must be set programatically
}
}
/**
* Select Input
* - Handy CLI Select Input function for Plugins
* @param message string
* @param choices [{key:"",value:"",label:""}]
* @param multi boolean
* @param doneLabel string optional
* @returns {Promise} containing [{value:'blah'},..]
*/
selectInput(message, choices, multi, doneLabel) {
if (this.S._interactive) { //CLI
return SCli.select(message, choices, multi, doneLabel);
} else if (this.S.isWebInterface) {
//TODO: implement
return BbPromise.reject(new SError('Not implemented', SError.errorCodes.UNKNOWN));
} else {
return BbPromise.reject(new SError('You must specify all necessary options when in a non-interactive mode', SError.errorCodes.UNKNOWN));
}
}
/**
* CLI: Select Function
* - Prompt the user to select a function in the current working directory
*/
selectFunctions(cwd, message, multi, skipSingles) {
let _this = this;
// If not interactive, throw error
if (!this.S._interactive) {
return BbPromise.reject(new SError('Sorry, this is only available in interactive mode'));
}
// Get Functions
return SUtils.getFunctions(cwd, null)
.then(function(functions) {
// If no functions found, return
if (!functions.length) {
return [];
}
// Skip if only a single option is available
if (functions.length === 1 && skipSingles) {
return functions;
}
// Prepare function choices
let choices = [];
for (let i = 0; i < functions.length; i++) choices.push({
key: "",
value: functions[i],
label: functions[i].name });
// Show select input
return _this.selectInput(message, choices, multi)
.then(function(selected) {
return selected;
});
});
}
}
module.exports = ServerlessPlugin;