28 lines
1.1 KiB
JavaScript
28 lines
1.1 KiB
JavaScript
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/* Electron preload — bridges native serial access to the renderer.
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The page's serial-shim.js surfaces this through the navigator.serial API
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the OBI code already uses. */
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const { contextBridge, ipcRenderer } = require('electron');
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function toInfo(info) {
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return {
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path: info.path,
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vendorId: info.vendorId || 0,
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productId: info.productId || 0,
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manufacturer: info.manufacturer || '',
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serialNumber: info.serialNumber || '',
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};
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}
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contextBridge.exposeInMainWorld('serialAPI', {
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requestPort: () => ipcRenderer.invoke('serial:requestPort').then(toInfo),
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open: (info, baudRate) => ipcRenderer.invoke('serial:open', toInfo(info), baudRate),
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close: (info) => ipcRenderer.invoke('serial:close', toInfo(info)),
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setSignals: (info, dtr) => ipcRenderer.invoke('serial:setSignals', toInfo(info), dtr),
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write: (info, bytes) => ipcRenderer.invoke('serial:write', toInfo(info), bytes),
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onData: (cb) => {
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const listener = (_e, portPath, data) => cb(portPath, data);
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ipcRenderer.on('serial:data', listener);
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return () => ipcRenderer.removeListener('serial:data', listener);
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},
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});
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