chore: import upstream snapshot with attribution

2026-07-13 12:25:07 +08:00
commit a26e856398
1681 changed files with 296950 additions and 0 deletions
@@ -0,0 +1,66 @@
+// ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
+// ┃ ██████ ██████ ██████       █      █      █      █      █ █▄  ▀███ █       ┃
+// ┃ ▄▄▄▄▄█ █▄▄▄▄▄ ▄▄▄▄▄█  ▀▀▀▀▀█▀▀▀▀▀ █ ▀▀▀▀▀█ ████████▌▐███ ███▄  ▀█ █ ▀▀▀▀▀ ┃
+// ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄   █ ▄▄▄▄▄ ┃
+// ┃ █      ██████ █  ▀█▄       █ ██████      █      ███▌▐███ ███████▄ █       ┃
+// ┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫
+// ┃ Copyright (c) 2017, the Perspective Authors.                              ┃
+// ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
+// ┃ This file is part of the Perspective library, distributed under the terms ┃
+// ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃
+// ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
+
+import path from "path";
+import os from "os";
+import fs from "fs";
+import * as dotenv from "dotenv";
+import { getWorkspaceRoot, getWorkspacePackageJson } from "./workspace.mjs";
+
+import "zx/globals";
+
+const pkg = getWorkspacePackageJson();
+
+const emscripten = pkg.emscripten;
+
+dotenv.config({ path: "./.perspectiverc", quiet: true });
+
+function base() {
+    return path.resolve(getWorkspaceRoot(), ".emsdk").replace(/\\/g, "/");
+}
+
+function emsdk_checkout() {
+    $.sync`git clone https://github.com/emscripten-core/emsdk.git ${base()}`;
+}
+
+function emsdk(...args) {
+    const basedir = base();
+    const suffix = os.type() == "Windows_NT" ? ".bat" : "";
+    const emsdkBin = path.join(basedir, "emsdk" + suffix).replace(/\\/g, "/");
+    $.sync`${emsdkBin} ${args}`;
+}
+
+function toolchain_install() {
+    console.log(`-- Installing Emscripten ${emscripten}`);
+    $.sync({ cwd: ".emsdk" })`git pull`;
+    emsdk("install", emscripten);
+    emsdk("activate", emscripten);
+    console.log(`-- Emscripten ${emscripten} installed`);
+}
+
+function repo_check() {
+    return fs.existsSync(path.join(base(), "emsdk_env.sh"));
+}
+
+if (!process.env.PSP_SKIP_EMSDK_INSTALL) {
+    // if a stale toolchain is still activated in the shell, these vars break
+    // emsdk install in a confusing way.  ensure they are unset
+    for (let ev of ["EMSDK", "EMSDK_NODE", "EMSDK_PYTHON", "SSL_CERT_FILE"]) {
+        delete process.env[ev];
+    }
+
+    if (!repo_check()) {
+        emsdk_checkout();
+    }
+
+    toolchain_install();
+}