feat!: Drop support for Node.js < 10.13.0

.travis.yml

@@ -6,16 +6,8 @@ os:
   - linux
 
 node_js:
-  - "node"
+  - "14"
+  - "12"
   - "10"
-  - "8"
-
-matrix:
-  include:
-    - os: windows
-      node_js: "latest"
-  exclude:
-    - os: windows
-      node_js: "node"
 
 after_success: npm run coverage

package.json

@@ -71,6 +71,6 @@
   },
   "homepage": "https://github.com/istanbuljs/babel-plugin-istanbul#readme",
   "engines": {
-    "node": ">=8"
+    "node": ">=10.13.0"
   }
 }

src/index.js

@@ -9,7 +9,7 @@ export { default as readCoverage } from './read-coverage.js'
 function getRealpath (n) {
   try {
     return realpathSync(n) || /* istanbul ignore next */ n
-  } catch (e) {
+  } catch {
     /* istanbul ignore next */
     return n
   }

src/visitor.js

@@ -333,7 +333,6 @@ function coverStatement (path) {
   this.insertStatementCounter(path)
 }
 
-/* istanbul ignore next: no node.js support */
 function coverAssignmentPattern (path) {
   const n = path.node
   const b = this.cov.newBranch('default-arg', n.loc)
@@ -455,8 +454,7 @@ function coverLogicalExpression (path) {
   const leaves = []
   this.findLeaves(path.node, leaves)
   const b = this.cov.newBranch('binary-expr', path.node.loc)
-  for (let i = 0; i < leaves.length; i += 1) {
-    const leaf = leaves[i]
+  for (const leaf of leaves) {
     const hint = this.hintFor(leaf.node)
     if (hint === 'next') {
       continue

test/babel-plugin-istanbul.js

@@ -237,6 +237,13 @@ t.test('double-instrument', async t => {
   t.equal(code1, code2)
 })
 
+t.test('assignment pattern', async t => {
+  t.match(
+    instrument('({a = 24} = {})'),
+    'cov;cov.s[0]++;({a=(cov.b[0][0]++,24)}={});'
+  )
+})
+
 t.test('logical', async t => {
   const logicalExp = logic => t.match(
     instrument(`const a = b ${logic} 1`),