output mjs files next to cjs files

parcel-bundler · Jul 4, 2022 · f55bf67 · f55bf67 · github-actions · Jul 4, 2022
1 parent 6e2ea78
commit f55bf67
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Showing 3 changed files with 19 additions and 2 deletions.
diff --git a/.babelrc → babelrc.cjs.json b/.babelrc → babelrc.cjs.json
@@ -5,7 +5,7 @@
       "@babel/preset-env",
       {
         "targets": {
-          "node": "10"
+          "node": "12"
         }
       }
     ]

diff --git a/babelrc.esm.json b/babelrc.esm.json
@@ -0,0 +1,14 @@
+{
+  "presets": [
+    "@babel/preset-flow",
+    [
+      "@babel/preset-env",
+      {
+        "targets": {
+          "node": "12"
+        },
+        "modules": false
+      }
+    ]
+  ]
+}
diff --git a/package.json b/package.json
@@ -2,6 +2,7 @@
   "name": "@parcel/source-map",
   "version": "2.1.0",
   "main": "./dist/node.js",
+  "module": "./dist/node.mjs",
   "types": "index.d.ts",
   "license": "MIT",
   "repository": {
@@ -15,7 +16,9 @@
     "benchmark": "node ./bench/run",
     "benchmark:node": "cross-env BACKEND=node yarn benchmark",
     "benchmark:wasm": "cross-env BACKEND=wasm yarn benchmark",
-    "transpile": "babel ./src/*.js --out-dir ./dist && flow-copy-source -v src dist",
+    "transpile:cjs": "babel ./src/*.js --out-dir ./dist --config-file ./babelrc.cjs.json",
+    "transpile:esm": "babel ./src/*.js --out-dir ./dist --out-file-extension .mjs --config-file ./babelrc.esm.json",
+    "transpile": "yarn transpile:cjs && yarn transpile:esm && flow-copy-source -v src dist",
     "build:clean": "cd ./parcel_sourcemap_node && rm -rf artifacts && mkdir artifacts",
     "build:node": "yarn build:clean && node parcel_sourcemap_node/build.js",
     "build:node-release": "yarn build:clean && node parcel_sourcemap_node/build.js --release",
Benchmark suite	Current: `f55bf67`	Previous: `6e2ea78`	Ratio
`consume#consume buffer`	`71720` ops/sec (`±1.2e+2%`)	`45023` ops/sec (`±1.4e+2%`)	`0.63`
`consume#consume JS Mappings`	`55577` ops/sec (`±8.7%`)	`51066` ops/sec (`±7.7%`)	`0.92`
`consume#consume vlq mappings`	`46931` ops/sec (`±12%`)	`39291` ops/sec (`±13%`)	`0.84`
`serialize#Save buffer`	`402` ops/sec (`±0.78%`)	`327` ops/sec (`±2.0%`)	`0.81`
`serialize#Serialize to vlq`	`290` ops/sec (`±0.70%`)	`261` ops/sec (`±2.5%`)	`0.90`
`modify#negative column offset`	`145012` ops/sec (`±21%`)	`87382` ops/sec (`±16%`)	`0.60`
`modify#positive column offset`	`141024` ops/sec (`±31%`)	`86625` ops/sec (`±23%`)	`0.61`
`modify#negative line offset`	`49456` ops/sec (`±5.6%`)	`36271` ops/sec (`±4.9%`)	`0.73`
`modify#positive line offset`	`49259` ops/sec (`±7.5%`)	`36419` ops/sec (`±8.0%`)	`0.74`
`append#addSourceMap`	`201` ops/sec (`±0.51%`)	`168` ops/sec (`±5.9%`)	`0.84`