feat: support referencing other ignore-sync files

Author: foray1010

.npmignore

@@ -200,6 +200,8 @@ $RECYCLE.BIN/
 # Windows shortcuts
 *.lnk
 
+
+
 __fixtures__/
 __mocks__/
 __tests__/

.npmignore-sync

@@ -1,8 +1,8 @@
-[github/gitignore]
-Node.gitignore
-Global/macOS.gitignore
-Global/Linux.gitignore
-Global/Windows.gitignore
+[local]
+.gitignore-sync
+
+[relative]
+./src/.testignore-sync
 
 [inline]
 __fixtures__/

README.md

@@ -58,10 +58,12 @@ yarn.lock
    - `[local]`
      - the content of these local files will be copied directly to generated ignore file
      - support glob pattern, e.g. `packages/**/.gitignore`
+     - support referencing other ignore-sync files, e.g. referencing `.gitignore-sync` in `.npmignore-sync`
    - `[relative]`
 
      - the content of these local files will be copied with **relative path prefix** to generated ignore file
      - support glob pattern, e.g. `packages/**/.gitignore`
+     - support referencing other ignore-sync files, e.g. referencing `.gitignore-sync` in `.npmignore-sync`
      - example
 
        ```ini

src/generateIgnoreFile.js

@@ -7,6 +7,7 @@ const decodeIgnoreSyncFile = require('./decodeIgnoreSyncFile')
 const formatRelativeIgnoreFile = require('./utils/formatRelativeIgnoreFile')
 const github = require('./utils/github')
 const highlightComments = require('./utils/highlightComments')
+const isIgnoreSyncFile = require('./isIgnoreSyncFile')
 const joinLinesWithEOF = require('./utils/joinLinesWithEOF')
 const { COMMENT_HEADER_ALERT } = require('./constants')
 const { dynamicComposeP, promiseMap } = require('./utils/ramdaHelper')
@@ -19,29 +20,60 @@ const sourceIs = (...args) => R.compose(...args, R.prop('source'))
 const inlineSourceFetcher = R.compose(joinLinesWithEOF, R.prop('data'))
 const githubSourceFetcher = async (block) => {
   const [owner, repo] = block.source.split('/')
-  const files = await promiseMap(
-    (relativePath) =>
-      github.getContentFile({ owner, repo, path: relativePath }),
-    block.data,
+  const files = await Promise.all(
+    block.data.map((relativeFilePath) => {
+      return github.getContentFile({ owner, repo, path: relativeFilePath })
+    }),
   )
   return joinLinesWithEOF(files)
 }
 const localSourceFetcher = async (block, directory) => {
-  const files = await promiseMap(
-    (relativeFilePath) => readFile(path.join(directory, relativeFilePath)),
-    block.data,
+  const files = await Promise.all(
+    block.data.map(async (relativeFilePath) => {
+      const fileContent = await readFile(path.join(directory, relativeFilePath))
+      if (isIgnoreSyncFile(relativeFilePath)) {
+        return generateIgnoreFile(fileContent, directory, {
+          isRootIgnoreSyncFile: false,
+        })
+      } else {
+        return fileContent
+      }
+    }),
   )
   return joinLinesWithEOF(files)
 }
 const relativeSourceFetcher = async (block, directory) => {
-  const files = await promiseMap(async (relativeFilePath) => {
-    const fileContent = await readFile(path.join(directory, relativeFilePath))
-    return formatRelativeIgnoreFile(fileContent, path.dirname(relativeFilePath))
-  }, block.data)
+  const files = await Promise.all(
+    block.data.map(async (relativeFilePath) => {
+      const fileContent = await readFile(path.join(directory, relativeFilePath))
+      if (isIgnoreSyncFile(relativeFilePath)) {
+        const ignoreFileContent = await generateIgnoreFile(
+          fileContent,
+          directory,
+          {
+            isRootIgnoreSyncFile: false,
+          },
+        )
+        return formatRelativeIgnoreFile(
+          ignoreFileContent,
+          path.dirname(relativeFilePath),
+        )
+      } else {
+        return formatRelativeIgnoreFile(
+          fileContent,
+          path.dirname(relativeFilePath),
+        )
+      }
+    }),
+  )
   return joinLinesWithEOF(files)
 }
 
-const generateIgnoreFile = (ignoreSyncFile, directory) => {
+const generateIgnoreFile = (
+  ignoreSyncFile,
+  directory,
+  { isRootIgnoreSyncFile = true } = {},
+) => {
   const fetchIgnorePatternsBySource = promiseMap(
     R.cond([
       [sourceIs(R.equals('inline')), inlineSourceFetcher],
@@ -65,7 +97,7 @@ const generateIgnoreFile = (ignoreSyncFile, directory) => {
 
   return dynamicComposeP(
     joinLinesWithEOF,
-    prependAlert,
+    isRootIgnoreSyncFile ? prependAlert : R.identity,
     fetchIgnorePatternsBySource,
     decodeIgnoreSyncFile,
   )(ignoreSyncFile)