Convert hak to TypeScript (#289)

* Convert hak to TypeScript * Fix linter & remove stray log line * Fix more linting errors In one case by switching to import() and hence esnext * Return type for getNodeModuleBin Co-authored-by: Michael Telatynski <7t3chguy@gmail.com> * More types Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>
2021-12-14 14:32:27 +00:00
parent 18500e7ec3
commit 326e6577e1
24 changed files with 522 additions and 223 deletions
@@ -0,0 +1,70 @@
+/*
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import fsProm from 'fs/promises';
+import childProcess from 'child_process';
+
+import pacote from 'pacote';
+import HakEnv from './hakEnv';
+import { DependencyInfo } from './dep';
+
+export default async function fetch(hakEnv: HakEnv, moduleInfo: DependencyInfo): Promise<void> {
+    let haveModuleBuildDir;
+    try {
+        const stats = await fsProm.stat(moduleInfo.moduleBuildDir);
+        haveModuleBuildDir = stats.isDirectory();
+    } catch (e) {
+        haveModuleBuildDir = false;
+    }
+
+    if (haveModuleBuildDir) return;
+
+    console.log("Fetching " + moduleInfo.name + "@" + moduleInfo.version);
+
+    const packumentCache = new Map();
+    await pacote.extract(`${moduleInfo.name}@${moduleInfo.version}`, moduleInfo.moduleBuildDir, {
+        packumentCache,
+    });
+
+    console.log("Running yarn install in " + moduleInfo.moduleBuildDir);
+    await new Promise<void>((resolve, reject) => {
+        const proc = childProcess.spawn(
+            hakEnv.isWin() ? 'yarn.cmd' : 'yarn',
+            ['install', '--ignore-scripts'],
+            {
+                stdio: 'inherit',
+                cwd: moduleInfo.moduleBuildDir,
+            },
+        );
+        proc.on('exit', code => {
+            code ? reject(code) : resolve();
+        });
+    });
+
+    // also extract another copy to the output directory at this point
+    // nb. we do not yarn install in the output copy: we could install in
+    // production mode to get only runtime dependencies and not devDependencies,
+    // but usually native modules come with dependencies that are needed for
+    // building/fetching the native modules (eg. node-pre-gyp) rather than
+    // actually used at runtime: we do not want to bundle these into our app.
+    // We therefore just install no dependencies at all, and accept that any
+    // actual runtime dependencies will have to be added to the main app's
+    // dependencies. We can't tell what dependencies are real runtime deps
+    // and which are just used for native module building.
+    await pacote.extract(`${moduleInfo.name}@${moduleInfo.version}`, moduleInfo.moduleOutDir, {
+        packumentCache,
+    });
+}