Refactor to move implementation to lib/

Author: wooorm

index.js

@@ -1,52 +1 @@
-/**
- * @typedef {import('unist').Node} Node
- * @typedef {import('unist').Position} Position
- * @typedef {import('vfile').VFile} VFile
- * @typedef {import('vfile').VFileValue} VFileValue
- */
-
-import {location} from 'vfile-location'
-
-const search = /\r?\n|\r/g
-
-/**
- * Get the source of a node or at a position.
- *
- * @param {Node|Position} value
- *   Value to get.
- * @param {VFile|VFileValue} file
- *   File in which `value` exists.
- * @returns {string|null}
- *   Source of `value` in `doc`, if available.
- */
-export function source(value, file) {
-  const doc = String(file)
-  const loc = location(file)
-  /** @type {import('unist').Position} */
-  // @ts-expect-error Looks like a node.
-  const position = (value && value.position) || value || {}
-  const endOffset = loc.toOffset(position.end)
-  let startOffset = loc.toOffset(position.start)
-
-  if (endOffset === -1 || startOffset === -1) {
-    return null
-  }
-
-  /** @type {Array.<string>} */
-  const results = []
-
-  while (startOffset < endOffset) {
-    search.lastIndex = startOffset
-    const match = search.exec(doc)
-    const end = match && match.index < endOffset ? match.index : endOffset
-    results.push(doc.slice(startOffset, end))
-    startOffset = end
-
-    if (match && match.index < endOffset) {
-      startOffset += match[0].length
-      results.push(match[0])
-    }
-  }
-
-  return results.join('')
-}
+export {source} from './lib/index.js'

lib/index.js

@@ -0,0 +1,52 @@
+/**
+ * @typedef {import('unist').Node} Node
+ * @typedef {import('unist').Position} Position
+ * @typedef {import('vfile').VFile} VFile
+ * @typedef {import('vfile').VFileValue} VFileValue
+ */
+
+import {location} from 'vfile-location'
+
+const search = /\r?\n|\r/g
+
+/**
+ * Get the source of a node or at a position.
+ *
+ * @param {Node|Position} value
+ *   Value to get.
+ * @param {VFile|VFileValue} file
+ *   File in which `value` exists.
+ * @returns {string|null}
+ *   Source of `value` in `doc`, if available.
+ */
+export function source(value, file) {
+  const doc = String(file)
+  const loc = location(file)
+  /** @type {import('unist').Position} */
+  // @ts-expect-error Looks like a node.
+  const position = (value && value.position) || value || {}
+  const endOffset = loc.toOffset(position.end)
+  let startOffset = loc.toOffset(position.start)
+
+  if (endOffset === -1 || startOffset === -1) {
+    return null
+  }
+
+  /** @type {Array.<string>} */
+  const results = []
+
+  while (startOffset < endOffset) {
+    search.lastIndex = startOffset
+    const match = search.exec(doc)
+    const end = match && match.index < endOffset ? match.index : endOffset
+    results.push(doc.slice(startOffset, end))
+    startOffset = end
+
+    if (match && match.index < endOffset) {
+      startOffset += match[0].length
+      results.push(match[0])
+    }
+  }
+
+  return results.join('')
+}

package.json

@@ -27,6 +27,7 @@
   "main": "index.js",
   "types": "index.d.ts",
   "files": [
+    "lib/",
     "index.d.ts",
     "index.js"
   ],