From 1ace4188eaf748a4b5dba4537c4b4dee2e6b861d Mon Sep 17 00:00:00 2001
From: legendecas <legendecas@gmail.com>
Date: Tue, 11 Feb 2020 19:32:30 +0800
Subject: [PATCH] fix: executing midway-bin build at arbitrary directory (#384)

---
 packages/midway-bin/lib/cmd/build.js | 50 ++++++++++++++++------------
 packages/midway-bin/package.json     |  2 +-
 2 files changed, 30 insertions(+), 22 deletions(-)

diff --git a/packages/midway-bin/lib/cmd/build.js b/packages/midway-bin/lib/cmd/build.js
index 699e0a5efd39..84797ad23791 100644
--- a/packages/midway-bin/lib/cmd/build.js
+++ b/packages/midway-bin/lib/cmd/build.js
@@ -6,7 +6,7 @@ const fs = require('fs');
 const rimraf = require('mz-modules/rimraf');
 const fse = require('fs-extra');
 const globby = require('globby');
-const ncc = require('@zeit/ncc');
+const ncc = require('@midwayjs/ncc');
 
 const shebangRegEx = /^#![^\n\r]*[\r\n]/;
 
@@ -53,26 +53,35 @@ class BuildCommand extends Command {
     const { cwd, argv } = context;
 
     const tscCli = require.resolve('typescript/bin/tsc');
-    if (!fs.existsSync(path.join(cwd, argv.project))) {
+    const projectFile = path.join(cwd, argv.project);
+    if (!fs.existsSync(projectFile)) {
       console.log(`[midway-bin] tsconfig.json not found in ${cwd}\n`);
       return;
     }
-    const tsConfig = require(path.join(cwd, argv.project));
-    const outDir = this.inferCompilerOptions(tsConfig, 'outDir');
+    const tsConfig = require(projectFile);
+    const projectDir = this.projectDir = path.dirname(projectFile);
+    let outDir = this.inferCompilerOptions(tsConfig, 'outDir');
+    let outDirAbsolute;
+    if (outDir) {
+      outDir = path.resolve(projectDir, outDir);
+      outDir = path.relative(projectDir, outDir);
+      outDirAbsolute = path.join(projectDir, outDir);
+    }
 
     if (argv.clean) {
-      await this.cleanDir(outDir);
+      await this.cleanDir(outDirAbsolute);
     }
 
-    await this.copyFiles(cwd, outDir, argv);
+    await this.copyFiles(projectDir, outDir, argv);
 
     if (argv.mode !== 'release') {
       argv.mode = 'debug';
     }
     if (argv.entrypoint) {
+      outDir = outDirAbsolute || path.resolve(projectDir, 'dist');
       await this.bundle(path.resolve(cwd, argv.entrypoint), outDir,
         {
-          sourceMap: this.inferCompilerOptions(tsConfig, 'sourceMap'),
+          sourceMap: this.inferCompilerOptions(tsConfig, 'sourceMap', { projectDir }),
           mode: argv.mode,
         });
       return;
@@ -100,7 +109,7 @@ class BuildCommand extends Command {
       minify: false,
       sourceMap,
       // default treats sources as output-relative
-      sourceMapBasePrefix: path.relative(outDir, path.dirname(entry)) + '/',
+      sourceMapBasePrefix: path.relative(outDir, process.cwd()) + '/',
       // Node.js v12 comes with builtin source map support.
       sourceMapRegister: false,
       watch: false,
@@ -118,7 +127,6 @@ class BuildCommand extends Command {
       return;
     }
 
-    outDir = outDir || path.resolve('dist');
     fse.mkdirpSync(outDir);
 
     let basename = path.basename(entry, '.ts');
@@ -146,26 +154,26 @@ class BuildCommand extends Command {
     }
   }
 
-  async copyFiles(cwd, outDir, argv) {
-    if (outDir && fs.existsSync(path.join(cwd, 'package.json'))) {
-      const pkg = require(path.join(cwd, 'package.json'));
+  async copyFiles(from, outDir, argv) {
+    if (outDir && fs.existsSync(path.join(from, 'package.json'))) {
+      const pkg = require(path.join(from, 'package.json'));
       if (pkg['midway-bin-build'] && pkg['midway-bin-build'].include) {
         for (const file of pkg['midway-bin-build'].include) {
           if (typeof file === 'string' && !/\*/.test(file)) {
             const srcDir = path.join(argv.srcDir, file);
             const targetDir = path.join(outDir, file);
             // 目录，或者不含通配符的普通文件
-            this.copyFile(srcDir, targetDir, cwd);
+            this.copyFile(srcDir, targetDir, from);
           } else {
             // 通配符的情况
             const paths = await globby([].concat(file), {
-              cwd: path.join(cwd, argv.srcDir),
+              cwd: path.join(from, argv.srcDir),
             });
             for (const p of paths) {
               this.copyFile(
                 path.join(argv.srcDir, p),
                 path.join(outDir, p),
-                cwd
+                from
               );
             }
           }
@@ -174,29 +182,29 @@ class BuildCommand extends Command {
     }
   }
 
-  copyFile(srcFile, targetFile, cwd) {
+  copyFile(srcFile, targetFile, from) {
     if (!fs.existsSync(srcFile)) {
       console.warn(`[midway-bin] can't find ${srcFile} and skip it`);
     } else {
-      fse.copySync(path.join(cwd, srcFile), path.join(cwd, targetFile));
+      fse.copySync(path.join(from, srcFile), path.join(from, targetFile));
       console.log(`[midway-bin] copy ${srcFile} to ${targetFile} success!`);
     }
   }
 
-  inferCompilerOptions(tsConfig, option) {
+  inferCompilerOptions(tsConfig, optionKeyPath, { projectDir = process.cwd() } = {}) {
     // if projectFile extended and without the option,
     // get setting from its parent
     if (tsConfig && tsConfig.extends) {
       if (
         !tsConfig.compilerOptions ||
-        (tsConfig.compilerOptions && !tsConfig.compilerOptions[option])
+        (tsConfig.compilerOptions && !tsConfig.compilerOptions[optionKeyPath])
       ) {
-        return this.inferCompilerOptions(require(path.join(process.cwd(), tsConfig.extends)), option);
+        return this.inferCompilerOptions(require(path.join(projectDir, tsConfig.extends)), optionKeyPath, { projectDir });
       }
     }
 
     if (tsConfig && tsConfig.compilerOptions) {
-      return tsConfig.compilerOptions[option];
+      return tsConfig.compilerOptions[optionKeyPath];
     }
   }
 }
diff --git a/packages/midway-bin/package.json b/packages/midway-bin/package.json
index fb8668d09dc7..c27a8c662073 100644
--- a/packages/midway-bin/package.json
+++ b/packages/midway-bin/package.json
@@ -23,7 +23,7 @@
   ],
   "license": "MIT",
   "dependencies": {
-    "@zeit/ncc": "^0.20.5",
+    "@midwayjs/ncc": "^0.22.0",
     "co": "^4.6.0",
     "egg-bin": "^4.11.1",
     "fs-extra": "^8.1.0",