babel-plugin-inline-json-import - npm Package Compare versions

Comparing version 0.1.6 to 0.2.0

build/index.js

@@ -29,4 +29,4 @@ 'use strict';
 
-        if (moduleName.match(/\.json$/)) {
-          var variableName = node.specifiers[0].local.name;
+        if (moduleName.match(/\.json(!json)?$/)) {
+          var leftExpression = determineLeftExpression(t, node);
 
@@ -42,5 +42,9 @@ var fileLocation = state.file.opts.filename;
 
+          if (filepath.slice(-5) === '!json') {
+            filepath = filepath.slice(0, filepath.length - 5);
+          }
+
           var json = requireFresh(filepath);
 
-          path.replaceWith(t.variableDeclaration('const', [t.variableDeclarator(t.identifier(variableName), t.valueToNode(json))]));
+          path.replaceWith(t.variableDeclaration('const', [t.variableDeclarator(leftExpression, t.valueToNode(json))]));
         }
@@ -52,2 +56,27 @@ }
 
+function determineLeftExpression(types, node) {
+  if (isDestructuredImportExpression(node)) {
+    return buildObjectPatternFromDestructuredImport(types, node);
+  }
+
+  var variableName = node.specifiers[0].local.name;
+
+  return types.identifier(variableName);
+}
+
+function isDestructuredImportExpression(node) {
+  return node.specifiers.length !== 1 || node.specifiers[0].type !== 'ImportDefaultSpecifier';
+}
+
+function buildObjectPatternFromDestructuredImport(types, node) {
+  var properties = node.specifiers.map(function (specifier) {
+    var key = types.identifier(specifier.imported.name);
+    var value = types.identifier(specifier.local.name);
+
+    return types.objectProperty(key, value);
+  });
+
+  return types.objectPattern(properties);
+}
+
 function requireFresh(filepath) {
@@ -54,0 +83,0 @@ (0, _decache2.default)(filepath);

package.json

 {
   "name": "babel-plugin-inline-json-import",
-  "version": "0.1.6",
+  "version": "0.2.0",
   "description": "Inlines JSON file imports straight into JS code",
@@ -5,0 +5,0 @@ "main": "build/index.js",

test/inline-json-imports.spec.js

@@ -25,2 +25,32 @@ import fs from 'fs'
 
+  it('inlines simple systemjs JSON imports', () => {
+    const t = configureTransform()
+    const result = t(`
+      import json from '../test/fixtures/example.json!json'
+
+      console.log(json)
+    `)
+
+    expect(normalize(result.code)).to.equal(normalize(`
+      const json = { example: true }
+
+      console.log(json)
+    `))
+  })
+
+  it('supports destructuring of the JSON imports', () => {
+    const t = configureTransform()
+    const result = t(`
+      import {example} from '../test/fixtures/example.json'
+
+      console.log(example)
+    `)
+
+    expect(normalize(result.code)).to.equal(normalize(`
+      const { example: example } = { example: true }
+
+      console.log(example)
+    `))
+  })
+
   it('does not inline other kinds of imports', () => {
@@ -27,0 +57,0 @@ const t = configureTransform()

No alert changes

Improved metrics

Total package byte prevSize

14031

increased by12.61%

Lines of code

150

increased by40.19%

No dependency changes