Add a test case for Flow + ESM

examples/flow/destructuring.js.flow

@@ -0,0 +1,9 @@
+// @flow
+
+const {format} = require('date-fns')
+const {eo} = require('date-fns/locale')
+
+const dateString : string = '2017-01-25T21:28:15.000Z'
+const formatString : string = 'DD.MM.YYYY HH:mm:ss'
+const result : string = format('2017-01-25T21:28:15.000Z', 'dddd, DD MMMM HH:mm:ss', {locale: eo})
+console.log(result === 'merkredo, 25 januaro 21:28:15')

examples/flow/package.json

@@ -14,13 +14,15 @@
     "build": "yarn run build-date-fns && yarn run flow-check && yarn run build-babel",
     "flow-check": "flow check",
     "build-date-fns": "env PACKAGE_OUTPUT_PATH=\"$(pwd)/node_modules/date-fns\" ../../scripts/build/package.sh",
-    "build-babel": "yarn run build-babel-example && yarn run build-babel-fp && yarn run build-babel-misc",
+    "build-babel": "yarn run build-babel-example && yarn run build-babel-fp && yarn run build-babel-misc && yarn build-babel-destructuring",
     "build-babel-example": "mkdir -p dist && babel example.js.flow --out-file dist/example.js",
     "build-babel-fp": "mkdir -p dist && babel fp.js.flow --out-file dist/fp.js",
     "build-babel-misc": "mkdir -p dist && babel misc.js.flow --out-file dist/misc.js",
-    "test": "yarn run test-example && yarn run test-fp && yarn run test-misc",
+    "build-babel-destructuring": "mkdir -p dist && babel destructuring.js.flow --out-file dist/destructuring.js",
+    "test": "yarn run test-example && yarn run test-fp && yarn run test-misc && yarn run test-destructuring",
     "test-example": "test $(env TZ=UTC node ./dist/example.js) = true",
     "test-fp": "test $(env TZ=UTC node ./dist/fp.js) = true",
-    "test-misc": "test $(env TZ=UTC node ./dist/misc.js) = true"
+    "test-misc": "test $(env TZ=UTC node ./dist/misc.js) = true",
+    "test-destructuring": "test $(env TZ=UTC node ./dist/destructuring.js) = true"
   }
 }

scripts/build/package.sh

@@ -38,6 +38,9 @@ do
   cp -r "./src/$fnDir" "$dir/esm/"
 done
 
+# Copy global flow typing
+cp ./src/index.js.flow "$dir/esm/index.js.flow"
+
 # Copy esm indices
 cp ./src/esm/index.js "$dir/esm/index.js"
 cp ./src/esm/fp/index.js "$dir/esm/fp/index.js"