Optimise Web via treeshaking, cleanup build scripts

3 files changed, 194 insertions, 0 deletions

diff --git a/scripts/build/build.mjs b/scripts/build/build.mjs
new file mode 100755
index 0000000..281246a
--- /dev/null
+++ b/scripts/build/build.mjs
@@ -0,0 +1,53 @@
+#!/usr/bin/node
+import esbuild from "esbuild";
+import { commonOpts, gitHashPlugin, globPlugins, makeAllPackagesExternalPlugin } from "./common.mjs";
+
+/**
+ * @type {esbuild.BuildOptions}
+ */
+const nodeCommonOpts = {
+    ...commonOpts,
+    format: "cjs",
+    platform: "node",
+    target: ["esnext"],
+    sourcemap: "linked",
+    plugins: [makeAllPackagesExternalPlugin],
+};
+
+await Promise.all([
+    esbuild.build({
+        ...nodeCommonOpts,
+        entryPoints: ["src/preload.ts"],
+        outfile: "dist/preload.js",
+    }),
+    esbuild.build({
+        ...nodeCommonOpts,
+        entryPoints: ["src/patcher.ts"],
+        outfile: "dist/patcher.js",
+    }),
+    esbuild.build({
+        ...commonOpts,
+        entryPoints: ["src/Vencord.ts"],
+        outfile: "dist/renderer.js",
+        format: "iife",
+        target: ["esnext"],
+        footer: { js: "//# sourceURL=VencordRenderer" },
+        globalName: "Vencord",
+        external: ["plugins", "git-hash"],
+        plugins: [
+            globPlugins,
+            gitHashPlugin
+        ],
+        sourcemap: "inline",
+        minify: true,
+        define: {
+            IS_WEB: "false"
+        }
+    }),
+]).catch(err => {
+    console.error("Build failed");
+    console.error(err.message);
+    // make ci fail
+    if (!watch)
+        process.exitCode = 1;
+});
diff --git a/scripts/build/buildWeb.mjs b/scripts/build/buildWeb.mjs
new file mode 100644
index 0000000..dd8cb5d
--- /dev/null
+++ b/scripts/build/buildWeb.mjs
@@ -0,0 +1,61 @@
+// TODO: Modularise the plugins since both build scripts use them
+
+import { createWriteStream, readFileSync } from "fs";
+import yazl from "yazl";
+import esbuild from "esbuild";
+// wtf is this assert syntax
+import PackageJSON from "../../package.json" assert { type: "json" };
+import { commonOpts, gitHashPlugin, globPlugins } from "./common.mjs";
+
+/**
+ * @type {esbuild.BuildOptions}
+ */
+const commonOptions = {
+    ...commonOpts,
+    entryPoints: ["browser/Vencord.ts"],
+    globalName: "Vencord",
+    format: "iife",
+    minify: true,
+    sourcemap: false,
+    external: ["plugins", "git-hash"],
+    plugins: [
+        globPlugins,
+        gitHashPlugin
+    ],
+    target: ["esnext"],
+    define: {
+        IS_WEB: "true"
+    }
+};
+
+await Promise.all(
+    [
+        esbuild.build({
+            ...commonOptions,
+            outfile: "dist/browser.js",
+            footer: { js: "//# sourceURL=VencordWeb" },
+        }),
+        esbuild.build({
+            ...commonOptions,
+            outfile: "dist/Vencord.user.js",
+            banner: {
+                js: readFileSync("browser/userscript.meta.js", "utf-8").replace("%version%", PackageJSON.version)
+            },
+            footer: {
+                // UserScripts get wrapped in an iife, so define Vencord prop on window that returns our local
+                js: "Object.defineProperty(window,'Vencord',{get:()=>Vencord});"
+            },
+        })
+    ]
+);
+
+const zip = new yazl.ZipFile();
+zip.outputStream.pipe(createWriteStream("dist/extension.zip")).on("close", () => {
+    console.info("Extension written to dist/extension.zip");
+});
+
+zip.addFile("dist/browser.js", "dist/Vencord.js");
+["background.js", "content.js", "manifest.json"].forEach(f => {
+    zip.addFile(`browser/${f}`, `${f}`);
+});
+zip.end();
diff --git a/scripts/build/common.mjs b/scripts/build/common.mjs
new file mode 100644
index 0000000..d9b2878
--- /dev/null
+++ b/scripts/build/common.mjs
@@ -0,0 +1,80 @@
+import { execSync } from "child_process";
+import esbuild from "esbuild";
+import { readdir } from "fs/promises";
+
+/**
+ * @type {esbuild.WatchMode|false}
+ */
+export const watch = process.argv.includes("--watch");
+
+/**
+ * @type {esbuild.BuildOptions}
+ */
+export const commonOpts = {
+    logLevel: "info",
+    bundle: true,
+    watch
+};
+
+// https://github.com/evanw/esbuild/issues/619#issuecomment-751995294
+/**
+ * @type {esbuild.Plugin}
+ */
+export const makeAllPackagesExternalPlugin = {
+    name: "make-all-packages-external",
+    setup(build) {
+        let filter = /^[^.\/]|^\.[^.\/]|^\.\.[^\/]/; // Must not start with "/" or "./" or "../"
+        build.onResolve({ filter }, args => ({ path: args.path, external: true }));
+    },
+};
+
+/**
+ * @type {esbuild.Plugin}
+ */
+export const globPlugins = {
+    name: "glob-plugins",
+    setup: build => {
+        build.onResolve({ filter: /^plugins$/ }, args => {
+            return {
+                namespace: "import-plugins",
+                path: args.path
+            };
+        });
+
+        build.onLoad({ filter: /^plugins$/, namespace: "import-plugins" }, async () => {
+            const files = await readdir("./src/plugins");
+            let code = "";
+            let plugins = "\n";
+            for (let i = 0; i < files.length; i++) {
+                if (files[i] === "index.ts") {
+                    continue;
+                }
+                const mod = `p${i}`;
+                code += `import ${mod} from "./${files[i].replace(/.tsx?$/, "")}";\n`;
+                plugins += `[${mod}.name]:${mod},\n`;
+            }
+            code += `export default {${plugins}};`;
+            return {
+                contents: code,
+                resolveDir: "./src/plugins"
+            };
+        });
+    }
+};
+
+const gitHash = execSync("git rev-parse --short HEAD", { encoding: "utf-8" }).trim();
+/**
+ * @type {esbuild.Plugin}
+ */
+export const gitHashPlugin = {
+    name: "git-hash-plugin",
+    setup: build => {
+        const filter = /^git-hash$/;
+        build.onResolve({ filter }, args => ({
+            namespace: "git-hash", path: args.path
+        }));
+        build.onLoad({ filter, namespace: "git-hash" }, () => ({
+            contents: `export default "${gitHash}"`
+        }));
+    }
+};