meta: add support for ESM sources in build script

transloadit · Feb 7, 2022 · a73869a · a73869a
1 parent 142b95a
commit a73869a
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diff --git a/bin/build-lib.js b/bin/build-lib.js
@@ -7,7 +7,7 @@ const path = require('path')
 
 const { mkdir, stat, writeFile } = fs.promises
 
-const SOURCE = 'packages/{*,@uppy/*}/src/**/*.js'
+const SOURCE = 'packages/{*,@uppy/*}/src/**/*.js?(x)'
 // Files not to build (such as tests)
 const IGNORE = /\.test\.js$|__mocks__|svelte|angular|companion\//
 // Files that should trigger a rebuild of everything on change
@@ -19,9 +19,12 @@ const META_FILES = [
   'bin/build-lib.js',
 ]
 
-function lastModified (file) {
-  return stat(file).then((s) => s.mtime, (err) => {
+function lastModified (file, createParentDir = false) {
+  return stat(file).then((s) => s.mtime, async (err) => {
     if (err.code === 'ENOENT') {
+      if (createParentDir) {
+        await mkdir(path.dirname(file), { recursive: true })
+      }
       return 0
     }
     throw err
@@ -42,17 +45,19 @@ async function buildLib () {
 
     // on a fresh build, rebuild everything.
     if (!process.env.FRESH) {
-      const srcMtime = await lastModified(file)
-      const libMtime = await lastModified(libFile)
-        .catch(() => 0) // probably doesn't exist
+      const [srcMtime, libMtime] = await Promise.all([
+        lastModified(file),
+        lastModified(libFile, true),
+      ])
       // Skip files that haven't changed
       if (srcMtime < libMtime && metaMtime < libMtime) {
         continue
       }
+    } else {
+      await mkdir(path.dirname(libFile), { recursive: true })
     }
 
     const { code, map } = await babel.transformFileAsync(file, { sourceMaps: true })
-    await mkdir(path.dirname(libFile), { recursive: true })
     await Promise.all([
       writeFile(libFile, code),
       writeFile(`${libFile}.map`, JSON.stringify(map)),

diff --git a/package.json b/package.json
@@ -43,6 +43,7 @@
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     "@babel/plugin-proposal-nullish-coalescing-operator": "^7.14.5",
     "@babel/plugin-proposal-optional-chaining": "^7.16.0",
+    "@babel/plugin-transform-modules-commonjs": "^7.16.8",
     "@babel/plugin-transform-react-jsx": "^7.10.4",
     "@babel/preset-env": "^7.14.7",
     "@babel/register": "^7.10.5",

diff --git a/yarn.lock b/yarn.lock
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+  resolution: "@babel/helper-function-name@npm:7.16.7"
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+"@babel/helper-get-function-arity@npm:^7.16.7":
+  version: 7.16.7
+  resolution: "@babel/helper-get-function-arity@npm:7.16.7"
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+"@babel/helper-hoist-variables@npm:^7.16.7":
+  version: 7.16.7
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@@ -893,6 +951,15 @@ __metadata:
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+"@babel/helper-module-imports@npm:^7.16.7":
+  version: 7.16.7
+  resolution: "@babel/helper-module-imports@npm:7.16.7"
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+  checksum: ddd2c4a600a2e9a4fee192ab92bf35a627c5461dbab4af31b903d9ba4d6b6e59e0ff3499fde4e2e9a0eebe24906f00b636f8b4d9bd72ff24d50e6618215c3212
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@@ -909,6 +976,22 @@ __metadata:
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+"@babel/helper-module-transforms@npm:^7.16.7":
+  version: 7.16.7
+  resolution: "@babel/helper-module-transforms@npm:7.16.7"
+  dependencies:
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+    "@babel/helper-simple-access": ^7.16.7
+    "@babel/helper-split-export-declaration": ^7.16.7
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+    "@babel/template": ^7.16.7
+    "@babel/traverse": ^7.16.7
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+  checksum: 6e930ce776c979f299cdbeaf80187f4ab086d75287b96ecc1c6896d392fcb561065f0d6219fc06fa79b4ceb4bbdc1a9847da8099aba9b077d0a9e583500fb673
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@@ -932,6 +1015,13 @@ __metadata:
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+"@babel/helper-plugin-utils@npm:^7.16.7":
+  version: 7.16.7
+  resolution: "@babel/helper-plugin-utils@npm:7.16.7"
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+  languageName: node
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+
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   resolution: "@babel/helper-remap-async-to-generator@npm:7.16.4"
@@ -964,6 +1054,15 @@ __metadata:
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+"@babel/helper-simple-access@npm:^7.16.7":
+  version: 7.16.7
+  resolution: "@babel/helper-simple-access@npm:7.16.7"
+  dependencies:
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+  checksum: 8d22c46c5ec2ead0686c4d5a3d1d12b5190c59be676bfe0d9d89df62b437b51d1a3df2ccfb8a77dded2e585176ebf12986accb6d45a18cff229eef3b10344f4b
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@@ -982,13 +1081,29 @@ __metadata:
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+"@babel/helper-split-export-declaration@npm:^7.16.7":
+  version: 7.16.7
+  resolution: "@babel/helper-split-export-declaration@npm:7.16.7"
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@@ -1030,6 +1145,17 @@ __metadata:
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+"@babel/highlight@npm:^7.16.7":
+  version: 7.16.10
+  resolution: "@babel/highlight@npm:7.16.10"
+  dependencies:
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+    chalk: ^2.0.0
+    js-tokens: ^4.0.0
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+"@babel/parser@npm:^7.16.7, @babel/parser@npm:^7.17.0":
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+  resolution: "@babel/parser@npm:7.17.0"
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+  version: 7.16.8
+  resolution: "@babel/plugin-transform-modules-commonjs@npm:7.16.8"
   dependencies:
-    "@babel/helper-module-transforms": ^7.16.0
-    "@babel/helper-plugin-utils": ^7.14.5
-    "@babel/helper-simple-access": ^7.16.0
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     "@babel/preset-env": ^7.14.7
     "@babel/register": ^7.10.5