initial commit

.gitattributes

@@ -1,2 +0,0 @@
-# Auto detect text files and perform LF normalization
-* text=auto

.gitignore

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+chrome_data
+node_modules

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2022 CanadaHonk
+Copyright (c) 2022 OpenAsar
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -18,4 +18,4 @@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
+SOFTWARE.

README.md

@@ -1,2 +1,11 @@
-# gluon
+# Gluon
- Not an Electron alternative
+*Not* an Electron alternative. Uses system installed Chromium and Node.JS. ***VERY*** early and probably never finished/production ready.
+
+<br>
+
+## "Comparison"
+| Part | Electron | Gluon |
+| ----- | -------- | ----- |
+| Frontend | Self-contained Chromium | System Installed Chromium |
+| Backend | Self-contained Node.JS | System Installed Node.JS |
+| IPC | Electron's Internal API | Gluon's API via CDP |

glucord/README.md

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+# Glucord
+Example/demo of Gluon, a minimal Discord client using system-installed Chrome/Node.
+
+> **Info** |
+> Gluon is currently **Windows only**.
+
+## Usage
+1. Have Chrome Stable/Canary installed
+1. Clone the Gluon repo
+2. `npm install`
+3. `node glucord` (with `--canary` if using Chrome Canary)

package.json

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+{
+  "type": "module",
+  "dependencies": {
+    "chrome-remote-interface": "^0.31.3"
+  }
+}

src/index.js

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+const rgb = (r, g, b, msg) => `\x1b[38;2;${r};${g};${b}m${msg}\x1b[0m`;
+const log = (...args) => console.log(`[${rgb(88, 101, 242, 'Gluon')}]`, ...args);
+
+const presets = { // Presets from OpenAsar
+  'base': '--autoplay-policy=no-user-gesture-required --disable-features=WinRetrieveSuggestionsOnlyOnDemand,HardwareMediaKeyHandling,MediaSessionService', // Base Discord
+  'perf': `--enable-gpu-rasterization --enable-zero-copy --ignore-gpu-blocklist --enable-hardware-overlays=single-fullscreen,single-on-top,underlay --enable-features=EnableDrDc,CanvasOopRasterization,BackForwardCache:TimeToLiveInBackForwardCacheInSeconds/300/should_ignore_blocklists/true/enable_same_site/true,ThrottleDisplayNoneAndVisibilityHiddenCrossOriginIframes,UseSkiaRenderer,WebAssemblyLazyCompilation --disable-features=Vulkan --force_high_performance_gpu`, // Performance
+  'battery': '--enable-features=TurnOffStreamingMediaCachingOnBattery --force_low_power_gpu', // Known to have better battery life for Chromium?
+  'memory': '--in-process-gpu --js-flags="--lite-mode --optimize_for_size --wasm_opt --wasm_lazy_compilation --wasm_lazy_validation --always_compact" --renderer-process-limit=2 --enable-features=QuickIntensiveWakeUpThrottlingAfterLoading' // Less (?) memory usage
+};
+
+import { exec } from 'child_process';
+import { join, dirname } from 'path';
+
+import { fileURLToPath } from 'url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+import CDP from 'chrome-remote-interface';
+
+
+const findChromePath = () => {
+  const whichChrome = process.argv.includes('--canary') ? 'canary' : 'stable';
+
+  switch (whichChrome) {
+    case 'stable': return join(process.env.PROGRAMFILES, 'Google', 'Chrome', 'Application', 'chrome.exe');
+    case 'canary': return join(process.env.LOCALAPPDATA, 'Google', 'Chrome SxS', 'Application', 'chrome.exe');
+  }
+};
+
+const getDataPath = () => join(__dirname, '..', 'chrome_data');
+
+
+const startChrome = url => new Promise(res => {
+  const dataPath = getDataPath();
+  const chromePath = findChromePath();
+
+  log('chrome path:', chromePath);
+  log('data path:', dataPath);
+
+  const debugPort = 9222;
+
+  exec(`"${chromePath}" --app=${url} --remote-debugging-port=${debugPort} --user-data-dir="${dataPath}" --new-window --disable-extensions --disable-default-apps --disable-breakpad --disable-crashpad --disable-background-networking --disable-domain-reliability --disable-component-update --disable-sync --disable-features=AutofillServerCommunication ${presets.perf}`, (err, stdout, stderr) => {
+    log(err, stdout, stderr);
+  });
+
+  setTimeout(() => res(debugPort), 500);
+});
+
+export const open = async (url, onLoad = () => {}) => {
+  log('starting chrome...');
+
+  const debugPort = await startChrome(url);
+  log('connecting to CDP...');
+
+  const { Runtime, Page } = await CDP({ port: debugPort });
+
+  // const run = async js => (await Runtime.evaluate({ expression: js })).result.value;
+  const run = async js => log(await Runtime.evaluate({ expression: js }));
+
+  const toRun = `(() => {
+    if (window.self !== window.top) return; // inside frame
+    (${onLoad})();
+  })()`;
+
+  run(toRun);
+
+  await Page.enable();
+  await Page.addScriptToEvaluateOnNewDocument({ source: toRun });
+};