feat: Add keepNames option (#316)

egoist · Oct 15, 2021 · 8839713 · 8839713
1 parent 90481fa
commit 8839713
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Showing 2 changed files with 15 additions and 1 deletion.
diff --git a/src/index.ts b/src/index.ts
@@ -27,6 +27,7 @@ export type Options = {
   minifyWhitespace?: boolean
   minifyIdentifiers?: boolean
   minifySyntax?: boolean
+  keepNames?: boolean
   legalComments?: CommonOptions['legalComments']
   target?: string | string[]
   /**
@@ -170,6 +171,7 @@ export default (options: Options = {}): Plugin => {
         sourcefile: id,
         pure: options.pure,
         legalComments: options.legalComments,
+        keepNames: options.keepNames,
       })
 
       await warn(this, result.warnings)

diff --git a/test/index.test.ts b/test/index.test.ts
@@ -80,6 +80,19 @@ test('minify', async () => {
   `)
 })
 
+test('keepNames', async () => {
+  mockfs({
+    './fixture/index.js': `
+      export default class Foo {}
+    `,
+  })
+  const output = await build({ minify: true, keepNames: true })
+  expect(output[0].code).toMatchInlineSnapshot(`
+    "var a=Object.defineProperty,t=(e,r)=>a(e,\\"name\\",{value:r,configurable:!0});class o{}t(o,\\"Foo\\");export default o;
+    "
+  `)
+})
+
 test('minify whitespace only', async () => {
   mockfs({
     './fixture/index.js': `
@@ -106,7 +119,6 @@ test('minify syntax only', async () => {
   `)
 })
 
-
 test('legal comments none', async () => {
   mockfs({
     './fixture/index.js': `/** @preserve comment */