Refactor to improve bundle size

Author: wooorm

index.js

@@ -1,84 +1,48 @@
 'use strict'
 
-var eof = 0 // ''
-var lineFeed = 10 // '\n'
-var carriageReturn = 13 // '\r'
-
 module.exports = fromText
 
+var search = /\r?\n|\r/g
+
 // Implementation of the `innerText` setter:
 // <https://html.spec.whatwg.org/#the-innertext-idl-attribute>
 // Note that `innerText` only exists on element.
 // In this utility, we accept all parent nodes and handle them as elements, and
 // for all literals we set the `value` of the given node the the given value.
-function fromText(node, value) {
-  var fn = 'children' in node ? setParent : setLiteral
-
-  fn(node, value === null || value === undefined ? '' : String(value))
-
-  return node
-}
-
-function setParent(node, value) {
+function fromText(node, content) {
+  var value = content == null ? '' : String(content)
   var nodes = []
-  var length = value.length
-  var index = 0
   var start = 0
-  var end = -1
-  var char = 0
-  var br = false
-
-  node.children = []
-
-  while (index <= length) {
-    char = index === length ? 0 : value.charCodeAt(index)
-
-    switch (char) {
-      case eof:
-        end = index
-        break
-      case lineFeed:
-        end = index
-        br = true
-        break
-      case carriageReturn:
-        end = index
-        br = true
+  var match
+  var end
 
-        if (value.charCodeAt(index + 1) === lineFeed) {
-          index++
-        }
+  if ('children' in node) {
+    while (start < value.length) {
+      search.lastIndex = start
+      match = search.exec(value)
+      end = match ? match.index : value.length
 
-        break
-      default:
-        break
-    }
-
-    index++
-
-    if (end !== -1) {
       if (end !== start) {
         nodes.push({type: 'text', value: value.slice(start, end)})
       }
 
-      if (br) {
-        br = false
+      start = end
+
+      if (match) {
+        start += match[0].length
         nodes.push({
           type: 'element',
           tagName: 'br',
           properties: {},
           children: []
         })
       }
-
-      end = -1
-      start = index
     }
-  }
 
-  node.children = nodes
-}
+    node.children = nodes
+  } else {
+    node.value = value
+  }
 
-function setLiteral(node, value) {
-  node.value = value
+  return node
 }

package.json

@@ -69,7 +69,17 @@
     "esnext": false,
     "ignores": [
       "hast-util-from-text.js"
-    ]
+    ],
+    "rules": {
+      "eqeqeq": [
+        "error",
+        "always",
+        {
+          "null": "ignore"
+        }
+      ],
+      "no-eq-null": "off"
+    }
   },
   "remarkConfig": {
     "plugins": [