-> v0.20.0

CHANGELOG.md

@@ -1,5 +1,9 @@
 # magic-string changelog
 
+## 0.20.0
+
+* The fourth argument to `overwrite` is a `{storeName, contentOnly}` options object. `storeName: true` is equivalent to `true` before. `contentOnly` will preserve existing appends/prepends to the chunk in question
+
 ## 0.19.1
 
 * Prevent overwrites across a split point (i.e. following a `move`)

README.md

@@ -146,9 +146,11 @@ The `options` argument can have an `exclude` property, which is an array of `[st
 
 Moves the characters from `start` and `end` to `index`. Returns `this`.
 
-### s.overwrite( start, end, content[, storeName] )
+### s.overwrite( start, end, content[, options] )
 
-Replaces the characters from `start` to `end` with `content`. The same restrictions as `s.remove()` apply. Returns `this`. If `storeName` is `true`, the original name will be stored for later inclusion in a sourcemap's `names` array.
+Replaces the characters from `start` to `end` with `content`. The same restrictions as `s.remove()` apply. Returns `this`.
+
+The fourth argument is optional. It can have a `storeName` property — if `true`, the original name will be stored for later inclusion in a sourcemap's `names` array — and a `contentOnly` property which determines whether only the content is overwritten, or anything that was appended/prepended to the range as well.
 
 ### s.prepend( content )
 

package.json

@@ -2,7 +2,7 @@
   "name": "magic-string",
   "description": "Modify strings, generate sourcemaps",
   "author": "Rich Harris",
-  "version": "0.19.1",
+  "version": "0.20.0",
   "repository": "https://github.com/rich-harris/magic-string",
   "main": "dist/magic-string.cjs.js",
   "module": "dist/magic-string.es.js",