@babel/helper-builder-react-jsx - npm Package Compare versions

Comparing version 8.0.0-alpha.2 to 8.0.0-alpha.3

lib/index.js

@@ -1,4 +0,2 @@
-import * as _t from '@babel/types';
-import annotateAsPure from '@babel/helper-annotate-as-pure';
-
+import * as _t from "@babel/types";
 const {
@@ -28,3 +26,4 @@ booleanLiteral,
 } = _t;
-function index (opts) {
+import annotateAsPure from "@babel/helper-annotate-as-pure";
+export default function (opts) {
   const visitor = {};
@@ -140,2 +139,49 @@ visitor.JSXNamespacedName = function (path) {
   }
+  function pushProps(_props, objs) {
+    if (!_props.length) return _props;
+    objs.push(objectExpression(_props));
+    return [];
+  }
+  function buildOpeningElementAttributes(attribs, pass) {
+    let _props = [];
+    const objs = [];
+    const {
+      useSpread = false
+    } = pass.opts;
+    if (typeof useSpread !== "boolean") {
+      throw new Error("transform-react-jsx currently only accepts a boolean option for " + "useSpread (defaults to false)");
+    }
+    const useBuiltIns = pass.opts.useBuiltIns || false;
+    if (typeof useBuiltIns !== "boolean") {
+      throw new Error("transform-react-jsx currently only accepts a boolean option for " + "useBuiltIns (defaults to false)");
+    }
+    if (useSpread && useBuiltIns) {
+      throw new Error("transform-react-jsx currently only accepts useBuiltIns or useSpread " + "but not both");
+    }
+    if (useSpread) {
+      const props = attribs.map(convertAttribute);
+      return objectExpression(props);
+    }
+    while (attribs.length) {
+      const prop = attribs.shift();
+      if (isJSXSpreadAttribute(prop)) {
+        _props = pushProps(_props, objs);
+        objs.push(prop.argument);
+      } else {
+        _props.push(convertAttribute(prop));
+      }
+    }
+    pushProps(_props, objs);
+    let convertedAttribs;
+    if (objs.length === 1) {
+      convertedAttribs = objs[0];
+    } else {
+      if (!isObjectExpression(objs[0])) {
+        objs.unshift(objectExpression([]));
+      }
+      const helper = useBuiltIns ? memberExpression(identifier("Object"), identifier("assign")) : pass.addHelper("extends");
+      convertedAttribs = callExpression(helper, objs);
+    }
+    return convertedAttribs;
+  }
   function buildFragmentCall(path, pass) {
@@ -167,3 +213,2 @@ if (opts.filter && !opts.filter(path.node, pass)) return;
 
-export { index as default };
 //# sourceMappingURL=index.js.map

package.json

 {
   "name": "@babel/helper-builder-react-jsx",
-  "version": "8.0.0-alpha.2",
+  "version": "8.0.0-alpha.3",
   "description": "Helper function to build react jsx",
@@ -17,8 +17,8 @@ "repository": {
   "dependencies": {
-    "@babel/helper-annotate-as-pure": "^8.0.0-alpha.2",
-    "@babel/types": "^8.0.0-alpha.2"
+    "@babel/helper-annotate-as-pure": "^8.0.0-alpha.3",
+    "@babel/types": "^8.0.0-alpha.3"
   },
   "devDependencies": {
-    "@babel/core": "^8.0.0-alpha.2",
-    "@babel/traverse": "^8.0.0-alpha.2"
+    "@babel/core": "^8.0.0-alpha.3",
+    "@babel/traverse": "^8.0.0-alpha.3"
   },
@@ -25,0 +25,0 @@ "engines": {

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Improved metrics

Total package byte prevSize

27559

increased by10.81%

Lines of code

210

increased by28.05%

Dependency changes

• Updated@babel/helper-annotate-as-pure@^8.0.0-alpha.3

• Updated@babel/types@^8.0.0-alpha.3