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import Logger from './logger';
import TabsHook from './tabs-hook';
interface Plugin {
title: any;
content: any;
icon: any;
onDismount?(): void;
}
class PluginLoader extends Logger {
private pluginInstances: Record<string, Plugin> = {};
private tabsHook: TabsHook;
private lock = 0;
constructor() {
super(PluginLoader.name);
this.log('Initialized');
this.tabsHook = new TabsHook();
}
dismountPlugin(name: string) {
this.log(`Dismounting ${name}`);
this.pluginInstances[name]?.onDismount?.();
delete this.pluginInstances[name];
this.tabsHook.removeById(name);
}
async loadAllPlugins() {
this.log('Loading all plugins');
const plugins = await (await fetch(`http://127.0.0.1:1337/plugins`)).json();
this.log('Received:', plugins);
return Promise.all(plugins.map((plugin) => this.loadPlugin(plugin.name)));
}
async loadPlugin(name) {
this.log('Loading Plugin:', name);
try {
while (this.lock === 1) {
await new Promise((resolve) => setTimeout(resolve, 1000));
}
this.lock = 1;
if (this.pluginInstances[name]) {
this.dismountPlugin(name);
}
const response = await fetch(`http://127.0.0.1:1337/plugins/${name}/frontend_bundle`);
const code = await response.text();
const pluginAPI = PluginLoader.createPluginAPI(name);
this.pluginInstances[name] = await eval(code)(pluginAPI);
const { title, icon, content } = this.pluginInstances[name];
this.tabsHook.add({
id: name,
title,
icon,
content,
});
} catch (e) {
console.error(e);
} finally {
this.lock = 0;
}
}
dismountAll() {
for (const name of Object.keys(this.pluginInstances)) {
this.dismountPlugin(name);
}
}
static createPluginAPI(pluginName) {
return {
async callServerMethod(methodName, args = {}) {
const response = await fetch(`http://127.0.0.1:1337/methods/${methodName}`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify(args),
});
return response.json();
},
async callPluginMethod(methodName, args = {}) {
const response = await fetch(`http://127.0.0.1:1337/plugins/${pluginName}/methods/${methodName}`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({
args,
}),
});
return response.json();
},
fetchNoCors(url, request: any = {}) {
let args = { method: 'POST', headers: {}, body: '' };
const req = { ...args, ...request, url, data: request.body };
return this.callServerMethod('http_request', req);
},
executeInTab(tab, runAsync, code) {
return this.callServerMethod('execute_in_tab', {
tab,
run_async: runAsync,
code,
});
},
injectCssIntoTab(tab, style) {
return this.callServerMethod('inject_css_into_tab', {
tab,
style,
});
},
removeCssFromTab(tab, cssId) {
return this.callServerMethod('remove_css_from_tab', {
tab,
css_id: cssId,
});
},
};
}
}
export default PluginLoader;
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