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initialization code of core updated

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This commit is contained in:
nklhrstv 2021-01-15 18:34:16 +02:00
parent edf8dbf66c
commit b86ebe1482
3 changed files with 46 additions and 54 deletions
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3
src/App/App.js
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@ -24,10 +24,9 @@ const App = () => {
const [shellInitialized, setShellInitialized] = React.useState(false); const [shellInitialized, setShellInitialized] = React.useState(false);
React.useEffect(() => { React.useEffect(() => {
const onCoreStateChanged = () => { const onCoreStateChanged = () => {
setCoreInitialized(services.core.active);
if (services.core.error) { if (services.core.error) {
alert(services.core.error); alert(services.core.error);
} else if (services.core.active) {
setCoreInitialized(services.core.active);
} }
}; };
const onShellStateChanged = () => { const onShellStateChanged = () => {

71
src/services/Core/Core.js
View file

@ -1,56 +1,26 @@
// Copyright (C) 2017-2020 Smart code 203358507 // Copyright (C) 2017-2020 Smart code 203358507
const EventEmitter = require('eventemitter3'); const EventEmitter = require('eventemitter3');
const { default: initialize_api, initialize_runtime } = require('@stremio/stremio-core-web');
const CoreTransport = require('./CoreTransport'); const CoreTransport = require('./CoreTransport');
let transport = null;
let apiInitialized = null;
const apiEvents = new EventEmitter();
initialize_api(require('@stremio/stremio-core-web/stremio_core_web_bg.wasm'))
.then(() => {
const transportEvents = new EventEmitter();
return initialize_runtime(({ name, args }) => {
try {
transportEvents.emit(name, args);
} catch (error) {
console.error('Core', error);
}
}).then(() => {
transport = new CoreTransport(transportEvents);
});
})
.then(() => {
apiInitialized = true;
apiEvents.emit('initialized');
})
.catch((error) => {
console.error('Core', error);
apiInitialized = false;
apiEvents.emit('initialized');
});
function Core() { function Core() {
let active = false; let active = false;
let error = null; let error = null;
let starting = false; let starting = false;
let _transport = null; let transport = null;
const events = new EventEmitter(); const events = new EventEmitter();
function onAPIInitialized() { function onTransportInit() {
if (apiInitialized) { active = true;
active = true; error = null;
error = null; starting = false;
starting = false; onStateChanged();
_transport = transport; }
} else { function onTransportError(args) {
active = false; active = false;
error = new Error('Stremio Core API initialization failed'); error = new Error(`Stremio Core Transport initialization failed: ${args}`);
starting = false; starting = false;
_transport = null;
}
onStateChanged(); onStateChanged();
} }
function onStateChanged() { function onStateChanged() {
@ -83,7 +53,7 @@ function Core() {
configurable: false, configurable: false,
enumerable: true, enumerable: true,
get: function() { get: function() {
return _transport; return transport;
} }
} }
}); });
@ -94,20 +64,21 @@ function Core() {
} }
starting = true; starting = true;
if (apiInitialized !== null) { transport = new CoreTransport();
onAPIInitialized(); transport.on('init', onTransportInit);
} else { transport.on('error', onTransportError);
apiEvents.on('initialized', onAPIInitialized); onStateChanged();
onStateChanged();
}
}; };
this.stop = function() { this.stop = function() {
apiEvents.off('initialized', onAPIInitialized);
active = false; active = false;
error = null; error = null;
starting = false; starting = false;
onStateChanged(); onStateChanged();
_transport = null; if (transport !== null) {
transport.off('init', onTransportInit);
transport.off('error', onTransportError);
transport = null;
}
}; };
this.on = function(name, listener) { this.on = function(name, listener) {
events.on(name, listener); events.on(name, listener);

26
src/services/Core/CoreTransport.js
View file

@ -1,8 +1,30 @@
// Copyright (C) 2017-2020 Smart code 203358507 // Copyright (C) 2017-2020 Smart code 203358507
const { get_state, dispatch } = require('@stremio/stremio-core-web'); const EventEmitter = require('eventemitter3');
const { default: initialize_api, initialize_runtime, get_state, dispatch } = require('@stremio/stremio-core-web');
function CoreTransport() {
const events = new EventEmitter();
initialize_api(require('@stremio/stremio-core-web/stremio_core_web_bg.wasm'))
.then(() => initialize_runtime(({ name, args }) => {
try {
events.emit(name, args);
} catch (error) {
console.error('CoreTransport', error);
}
}))
.then(() => {
try {
events.emit('init');
} catch (error) {
console.error('CoreTransport', error);
}
})
.catch((error) => {
events.emit('error', error);
});
function CoreTransport(events) {
this.on = function(name, listener) { this.on = function(name, listener) {
events.on(name, listener); events.on(name, listener);
}; };