cerxes/babel
3
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

disallow replacing a node with itself

Browse Source
This commit is contained in:
Sebastian McKenzie 2015-05-04 21:40:57 +01:00
parent 0b100c4273
commit 01e5354fd9
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/babel/traversal/path/index.js
View File

@ -509,9 +509,14 @@ export default class TraversalPath {
throw new Error("You passed `path.replaceWith()` a falsy node, use `path.remove()` instead");
}
if (this.node === replacement) {
throw new Error("You're trying to replace a node with itself which isn't allowed. If you're trying to do a transformer recache then use `this.checkSelf()`");
}
// normalise inserting an entire AST
if (t.isProgram(replacement)) {
replacement = replacement.body;
whateverAllowed = true;
}
if (Array.isArray(replacement)) {