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hadron-ipc
Advanced tools
Simplified IPC for electron apps.
Simplified wrapper around Electron's IPC events.
process.env.DEBUG = 'hadron-*';
const ipc = require('hadron-ipc');
const AppRegistry = require('hadron-app-registry');
const globalAppRegistry = new AppRegistry();
// called from a renderer process:
ipc.call('compass:loading:change-status', { status: 'loading preferences' });
// responded to in the main process:
ipc.respondTo('app:loading:change-status', (evt, meta) => {
// main process then broadcasts to its renderer processes:
ipc.broadcast('app:loading:change-status', meta);
});
// renderer process deals with information when received
ipc.on('app:loading:change-status', (evt, meta) => {
globalAppRegistry.emit('app:loading:change-status', meta);
});
Communication from the main process to a renderer process.
Respond to an event sent from a renderer process. handler
keeps track of
BrowserWindow
instance and any of the args
.
const ipc = require('hadron-ipc');
const onFindInPage = (sender, searchTerm, opt) => {
if (!_window) return;
opt = opt || {};
_window.webContents.findInPage(searchTerm, opt);
};
ipc.respondTo('app:find-in-page', onFindInPage);
You can also use broadcast
as part of the response:
const ipc = require('hadron-ipc');
ipc.respondTo('app:loading:change-status', (evt, meta) => {
ipc.broadcast('app:loading:change-status', meta);
});
Broadcast an event to renderer process(es).
For example, here is a broadcast from a Menu Item:
const ipc = require('hadron-ipc');
function viewSubMenu() {
return {
label: '&View',
{
label: '&Reload Data',
accelerator: 'CmdOrCtrl+R',
click: function() {
ipc.broadcast('app:refresh-data'); // renderer processes will be
listening to this event
}
}
]
};
}
Broadcast to renderer process(es) only if the current window is focused.
ipc.broadcastFocused('app:disconnect');
Remove a listener from the main process' ipc.
const ipc = require('hadron-ipc');
const onFindInPage = (sender, searchTerm, opt) => {
if (!_window) return;
opt = opt || {};
_window.webContents.findInPage(searchTerm, opt);
};
ipc.remove('app:stop-find-in-page', onStopFindInPage);
Communication from a renderer proces to the main process. All of the
ipcRenderer events are kept as
is, ipc.call
is added as an additional method.
Call the main process under the provided methodName
. Under the hood args
are serialised as JSON.
const ipc = require('hadron-ipc');
const args = {
query: {
filter: {},
project: { field: 1 }
}
};
ipc.call('app:open-export', args, (res) = {
console.log('callback from renderer process', res)
});
From Electron's ipcRenderer
API. Useful for when replying to Main process'
ipc.broadcast
events.
const ipc = require('hadron-ipc');
ipc.on('app:refresh-data', () =>
// do something
);
npm install hadron-ipc
FAQs
Simplified IPC for electron apps.
We found that hadron-ipc demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 36 open source maintainers collaborating on the project.
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