Add patch on state

This commit adds a helper utility to copy positional info from one node
into another.

Author: wooorm

lib/handlers/a.js

@@ -26,11 +26,6 @@ export function a(state, node) {
     // @ts-expect-error: assume valid children.
     children: all(state, node)
   }
-
-  // To do: clean.
-  if (node.position) {
-    result.position = node.position
-  }
-
+  state.patch(node, result)
   return result
 }

lib/handlers/blockquote.js

@@ -16,15 +16,7 @@ import {wrapChildren} from '../util/wrap-children.js'
  */
 export function blockquote(state, node) {
   /** @type {Blockquote} */
-  const result = {
-    type: 'blockquote',
-    children: wrapChildren(state, node)
-  }
-
-  // To do: clean.
-  if (node.position) {
-    result.position = node.position
-  }
-
+  const result = {type: 'blockquote', children: wrapChildren(state, node)}
+  state.patch(node, result)
   return result
 }

lib/handlers/br.js

@@ -16,11 +16,6 @@
 export function br(state, node) {
   /** @type {Break | Text} */
   const result = state.wrapText ? {type: 'break'} : {type: 'text', value: ' '}
-
-  // To do: clean.
-  if (node.position) {
-    result.position = node.position
-  }
-
+  state.patch(node, result)
   return result
 }

lib/handlers/code.js

@@ -61,11 +61,6 @@ export function code(state, node) {
     meta: null,
     value: trimTrailingLines(wrapText(state, toText(node)))
   }
-
-  // To do: clean.
-  if (node.position) {
-    result.position = node.position
-  }
-
+  state.patch(node, result)
   return result
 }

lib/handlers/comment.js

@@ -20,11 +20,6 @@ export function comment(state, node) {
     type: 'html',
     value: '<!--' + wrapText(state, node.value) + '-->'
   }
-
-  // To do: clean.
-  if (node.position) {
-    result.position = node.position
-  }
-
+  state.patch(node, result)
   return result
 }

lib/handlers/del.js

@@ -21,11 +21,6 @@ export function del(state, node) {
     // @ts-expect-error: assume valid children.
     children: all(state, node)
   }
-
-  // To do: clean.
-  if (node.position) {
-    result.position = node.position
-  }
-
+  state.patch(node, result)
   return result
 }

lib/handlers/dl.js

@@ -103,12 +103,7 @@ export function dl(state, node) {
       spread: listItemsSpread(content),
       children: content
     }
-
-    // To do: clean.
-    if (node.position) {
-      result.position = node.position
-    }
-
+    state.patch(node, result)
     return result
   }
 }

lib/handlers/em.js

@@ -21,11 +21,6 @@ export function em(state, node) {
     // @ts-expect-error: assume valid children.
     children: all(state, node)
   }
-
-  // To do: clean.
-  if (node.position) {
-    result.position = node.position
-  }
-
+  state.patch(node, result)
   return result
 }

lib/handlers/heading.js

@@ -33,11 +33,6 @@ export function heading(state, node) {
     // @ts-expect-error: assume valid children.
     children
   }
-
-  // To do: clean.
-  if (node.position) {
-    result.position = node.position
-  }
-
+  state.patch(node, result)
   return result
 }

lib/handlers/hr.js

@@ -15,11 +15,6 @@
 export function hr(state, node) {
   /** @type {ThematicBreak} */
   const result = {type: 'thematicBreak'}
-
-  // To do: clean.
-  if (node.position) {
-    result.position = node.position
-  }
-
+  state.patch(node, result)
   return result
 }