summaryrefslogtreecommitdiff
path: root/node_modules/@babel/plugin-transform-react-jsx-self/lib/index.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/@babel/plugin-transform-react-jsx-self/lib/index.js')
-rw-r--r--node_modules/@babel/plugin-transform-react-jsx-self/lib/index.js61
1 files changed, 61 insertions, 0 deletions
diff --git a/node_modules/@babel/plugin-transform-react-jsx-self/lib/index.js b/node_modules/@babel/plugin-transform-react-jsx-self/lib/index.js
new file mode 100644
index 0000000..20b05fe
--- /dev/null
+++ b/node_modules/@babel/plugin-transform-react-jsx-self/lib/index.js
@@ -0,0 +1,61 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+ value: true
+});
+exports.default = void 0;
+var _helperPluginUtils = require("@babel/helper-plugin-utils");
+var _core = require("@babel/core");
+const TRACE_ID = "__self";
+function getThisFunctionParent(path) {
+ let scope = path.scope;
+ do {
+ const {
+ path
+ } = scope;
+ if (path.isFunctionParent() && !path.isArrowFunctionExpression()) {
+ return path;
+ }
+ } while (scope = scope.parent);
+ return null;
+}
+function isDerivedClass(classPath) {
+ return classPath.node.superClass !== null;
+}
+function isThisAllowed(path) {
+ const parentMethodOrFunction = getThisFunctionParent(path);
+ if (parentMethodOrFunction === null) {
+ return true;
+ }
+ if (!parentMethodOrFunction.isMethod()) {
+ return true;
+ }
+ if (parentMethodOrFunction.node.kind !== "constructor") {
+ return true;
+ }
+ return !isDerivedClass(parentMethodOrFunction.parentPath.parentPath);
+}
+var _default = exports.default = (0, _helperPluginUtils.declare)(api => {
+ api.assertVersion(7);
+ const visitor = {
+ JSXOpeningElement(path) {
+ if (!isThisAllowed(path)) {
+ return;
+ }
+ const node = path.node;
+ const id = _core.types.jsxIdentifier(TRACE_ID);
+ const trace = _core.types.thisExpression();
+ node.attributes.push(_core.types.jsxAttribute(id, _core.types.jsxExpressionContainer(trace)));
+ }
+ };
+ return {
+ name: "transform-react-jsx-self",
+ visitor: {
+ Program(path) {
+ path.traverse(visitor);
+ }
+ }
+ };
+});
+
+//# sourceMappingURL=index.js.map