73 lines
2.1 KiB
JavaScript
73 lines
2.1 KiB
JavaScript
/*
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AdaptableController.js
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AdaptableController is the base class for all controllers
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that support adapter,
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The super class takes care of creating the right instance for the adapter
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based on the parameters passed
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*/
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const DefaultAdapters = {};
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export class AdaptableController {
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/**
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* Check whether the api call has master key or not.
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* @param {options} the adapter options
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* @param {defaultAdapter} the default adapter class or object to use
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* @discussion
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* Supported options types:
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* - string: the options will be loaded with required, when loaded, if default
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* is set on the returned object, we'll use that one to support modules
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* - object: a plain javascript object (options.constructor === Object), if options.adapter is set, we'll try to load it with the same mechanics.
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* - function: we'll create a new instance from that function, and pass the options object
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*/
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constructor(options) {
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let adapter;
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// We have options and options have adapter key
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if (options) {
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// Pass an adapter as a module name, a function or an instance
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if (typeof options == "string" || typeof options == "function" || options.constructor != Object) {
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adapter = options;
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}
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if (options.adapter) {
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adapter = options.adapter;
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}
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}
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if (!adapter) {
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adapter = this.defaultAdapter();
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}
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// This is a string, require the module
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if (typeof adapter === "string") {
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adapter = require(adapter);
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// If it's define as a module, get the default
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if (adapter.default) {
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adapter = adapter.default;
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}
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}
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// From there it's either a function or an object
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// if it's an function, instanciate and pass the options
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if (typeof adapter === "function") {
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var Adapter = adapter;
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adapter = new Adapter(options);
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}
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this.adapter = adapter;
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this.options = options;
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}
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defaultAdapter() {
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return DefaultAdapters[this.constructor.name];
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}
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// Sets the default adapter for that Class
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static setDefaultAdapter(defaultAdapter) {
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DefaultAdapters[this.name] = defaultAdapter;
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}
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}
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export default AdaptableController; |