bc518174
 王天杨
提交两个项目文件
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"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
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