84 lines
2.1 KiB
JavaScript
84 lines
2.1 KiB
JavaScript
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.default = _default;
|
|
|
|
function _helperHoistVariables() {
|
|
const data = _interopRequireDefault(require("@babel/helper-hoist-variables"));
|
|
|
|
_helperHoistVariables = function () {
|
|
return data;
|
|
};
|
|
|
|
return data;
|
|
}
|
|
|
|
function t() {
|
|
const data = _interopRequireWildcard(require("@babel/types"));
|
|
|
|
t = function () {
|
|
return data;
|
|
};
|
|
|
|
return data;
|
|
}
|
|
|
|
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
|
|
|
const visitor = {
|
|
enter(path, state) {
|
|
if (path.isThisExpression()) {
|
|
state.foundThis = true;
|
|
}
|
|
|
|
if (path.isReferencedIdentifier({
|
|
name: "arguments"
|
|
})) {
|
|
state.foundArguments = true;
|
|
}
|
|
},
|
|
|
|
Function(path) {
|
|
path.skip();
|
|
}
|
|
|
|
};
|
|
|
|
function _default(path, scope = path.scope) {
|
|
const {
|
|
node
|
|
} = path;
|
|
const container = t().functionExpression(null, [], node.body, node.generator, node.async);
|
|
let callee = container;
|
|
let args = [];
|
|
(0, _helperHoistVariables().default)(path, id => scope.push({
|
|
id
|
|
}));
|
|
const state = {
|
|
foundThis: false,
|
|
foundArguments: false
|
|
};
|
|
path.traverse(visitor, state);
|
|
|
|
if (state.foundArguments || state.foundThis) {
|
|
callee = t().memberExpression(container, t().identifier("apply"));
|
|
args = [];
|
|
|
|
if (state.foundThis) {
|
|
args.push(t().thisExpression());
|
|
}
|
|
|
|
if (state.foundArguments) {
|
|
if (!state.foundThis) args.push(t().nullLiteral());
|
|
args.push(t().identifier("arguments"));
|
|
}
|
|
}
|
|
|
|
let call = t().callExpression(callee, args);
|
|
if (node.generator) call = t().yieldExpression(call, true);
|
|
return t().returnStatement(call);
|
|
} |