planning

node_modules/micromark/lib/util/slice-chunks.mjs

@@ -0,0 +1,29 @@
+export default sliceChunks
+
+import assert from 'assert'
+
+function sliceChunks(chunks, token) {
+  var startIndex = token.start._index
+  var startBufferIndex = token.start._bufferIndex
+  var endIndex = token.end._index
+  var endBufferIndex = token.end._bufferIndex
+  var view
+
+  if (startIndex === endIndex) {
+    assert(endBufferIndex > -1, 'expected non-negative end buffer index')
+    assert(startBufferIndex > -1, 'expected non-negative start buffer index')
+    view = [chunks[startIndex].slice(startBufferIndex, endBufferIndex)]
+  } else {
+    view = chunks.slice(startIndex, endIndex)
+
+    if (startBufferIndex > -1) {
+      view[0] = view[0].slice(startBufferIndex)
+    }
+
+    if (endBufferIndex > 0) {
+      view.push(chunks[endIndex].slice(0, endBufferIndex))
+    }
+  }
+
+  return view
+}