diff options
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.js | 61 |
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 |
