39 lines
1.3 KiB
JavaScript
39 lines
1.3 KiB
JavaScript
// preload.js for Electron app
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const { ipcRenderer } = require('electron');
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const fs = require('fs');
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const modpath = require('path');
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process.once('loaded', () => {
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// workspace root path
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// reload() clears this, so we have to set it every time
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var wsroot;
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// from browser: read workspace file synchronously
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window.getWorkspaceFile = function(path, filetype) {
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if (wsroot == null) throw Error("no workspace root set");
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try {
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// TODO: detect text or binary, or decide based on incbin vs. source file
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var fullpath = modpath.join(wsroot, modpath.normalize(path));
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var encoding = filetype == 'text' ? 'utf8' : null;
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var data = fs.readFileSync(fullpath, {encoding:encoding});
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if (encoding == null) data = new Uint8Array(data);
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console.log("getWorkspaceFile", path, filetype, data.length);
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// TODO: add to watched files
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return data;
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} catch (e) {
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console.log(e);
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return null;
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}
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}
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// from electron.js: set workspace root directory
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ipcRenderer.on('setWorkspaceRoot', (event, data) => {
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wsroot = data.root;
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console.log('setWorkspaceRoot', wsroot);
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});
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// from electron.js: file changed
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ipcRenderer.on('fileChanged', (event, data) => {
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var path = data.path;
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console.log('fileChanged', path);
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window.reloadWorkspaceFile(path);
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});
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});
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