diff --git a/package-lock.json b/package-lock.json
index f05c8f3..93b2d25 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,8 @@
         "c8": "7.12.0",
         "execa": "6.1.0",
         "prettier": "2.8.0",
-        "semver": "^7.3.8"
+        "semver": "7.3.8",
+        "terser": "5.16.1"
       },
       "engines": {
         "node": "16"
@@ -68,6 +69,20 @@
         "node": ">=8"
       }
     },
+    "node_modules/@jridgewell/gen-mapping": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.2.tgz",
+      "integrity": "sha512-mh65xKQAzI6iBcFzwv28KVWSmCkdRBWoOh+bYQGW3+6OZvbbN3TqMGo5hqYxQniRcH9F2VZIoJCm4pa3BPDK/A==",
+      "dev": true,
+      "dependencies": {
+        "@jridgewell/set-array": "^1.0.1",
+        "@jridgewell/sourcemap-codec": "^1.4.10",
+        "@jridgewell/trace-mapping": "^0.3.9"
+      },
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/@jridgewell/resolve-uri": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.0.tgz",
@@ -77,6 +92,25 @@
         "node": ">=6.0.0"
       }
     },
+    "node_modules/@jridgewell/set-array": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@jridgewell/set-array/-/set-array-1.1.2.tgz",
+      "integrity": "sha512-xnkseuNADM0gt2bs+BvhO0p78Mk762YnZdsuzFV018NoG1Sj1SCQvpSqa7XUaTam5vAGasABV9qXASMKnFMwMw==",
+      "dev": true,
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/@jridgewell/source-map": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/@jridgewell/source-map/-/source-map-0.3.2.tgz",
+      "integrity": "sha512-m7O9o2uR8k2ObDysZYzdfhb08VuEml5oWGiosa1VdaPZ/A6QyPkAJuwN0Q1lhULOf6B7MtQmHENS743hWtCrgw==",
+      "dev": true,
+      "dependencies": {
+        "@jridgewell/gen-mapping": "^0.3.0",
+        "@jridgewell/trace-mapping": "^0.3.9"
+      }
+    },
     "node_modules/@jridgewell/sourcemap-codec": {
       "version": "1.4.14",
       "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.4.14.tgz",
@@ -468,6 +502,12 @@
         "node": ">=8"
       }
     },
+    "node_modules/buffer-from": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
+      "integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==",
+      "dev": true
+    },
     "node_modules/c8": {
       "version": "7.12.0",
       "resolved": "https://registry.npmjs.org/c8/-/c8-7.12.0.tgz",
@@ -791,6 +831,12 @@
       "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
       "dev": true
     },
+    "node_modules/commander": {
+      "version": "2.20.3",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
+      "dev": true
+    },
     "node_modules/common-path-prefix": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/common-path-prefix/-/common-path-prefix-3.0.0.tgz",
@@ -2254,6 +2300,25 @@
         "url": "https://github.com/chalk/slice-ansi?sponsor=1"
       }
     },
+    "node_modules/source-map": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/source-map-support": {
+      "version": "0.5.21",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.21.tgz",
+      "integrity": "sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==",
+      "dev": true,
+      "dependencies": {
+        "buffer-from": "^1.0.0",
+        "source-map": "^0.6.0"
+      }
+    },
     "node_modules/sprintf-js": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@@ -2383,6 +2448,24 @@
         "node": ">=14.16"
       }
     },
+    "node_modules/terser": {
+      "version": "5.16.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.16.1.tgz",
+      "integrity": "sha512-xvQfyfA1ayT0qdK47zskQgRZeWLoOQ8JQ6mIgRGVNwZKdQMU+5FkCBjmv4QjcrTzyZquRw2FVtlJSRUmMKQslw==",
+      "dev": true,
+      "dependencies": {
+        "@jridgewell/source-map": "^0.3.2",
+        "acorn": "^8.5.0",
+        "commander": "^2.20.0",
+        "source-map-support": "~0.5.20"
+      },
+      "bin": {
+        "terser": "bin/terser"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/test-exclude": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-6.0.0.tgz",
diff --git a/package.json b/package.json
index caf8fb8..ba1c48a 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,8 @@
     "c8": "7.12.0",
     "execa": "6.1.0",
     "prettier": "2.8.0",
-    "semver": "7.3.8"
+    "semver": "7.3.8",
+    "terser": "5.16.1"
   },
   "volta": {
     "node": "16.19.0"
diff --git a/scripts/postbuild.sh b/scripts/postbuild.sh
index 146e825..f11b7aa 100644
--- a/scripts/postbuild.sh
+++ b/scripts/postbuild.sh
@@ -12,6 +12,8 @@ EOF
 rm -d dist
 node scripts/fix-sourcemap-sources.js
 
-# Fix mixed line-endings. Commented-out because it ruins pre-existing
-# sourcemaps and I don't think prettier emits its own sourcemaps.
-# prettier -w index.js
+# Fix mixed line-endings in bundled/compiled output while emitting new
+# sourcemap to match
+terser index.js --timings -o index.js --config-file terser.json
+
+rm index.js.map
diff --git a/terser.json b/terser.json
new file mode 100644
index 0000000..7e56240
--- /dev/null
+++ b/terser.json
@@ -0,0 +1,8 @@
+{
+  "module": true,
+  "ecma": 2015,
+  "compress": false,
+  "mangle": false,
+  "sourceMap": { "url": "inline", "content": "index.js.map" },
+  "format": { "comments": "all" }
+}