You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.7 KiB
56 lines
1.7 KiB
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.default = void 0;
|
|
var _helperPluginUtils = require("@babel/helper-plugin-utils");
|
|
var _core = require("@babel/core");
|
|
var _default = exports.default = (0, _helperPluginUtils.declare)(api => {
|
|
api.assertVersion("^7.0.0-0 || >8.0.0-alpha <8.0.0-beta");
|
|
return {
|
|
name: "transform-logical-assignment-operators",
|
|
manipulateOptions: (_, parser) => parser.plugins.push("logicalAssignment"),
|
|
visitor: {
|
|
AssignmentExpression(path) {
|
|
const {
|
|
node,
|
|
scope
|
|
} = path;
|
|
const {
|
|
operator,
|
|
left,
|
|
right
|
|
} = node;
|
|
const operatorTrunc = operator.slice(0, -1);
|
|
if (!_core.types.LOGICAL_OPERATORS.includes(operatorTrunc)) {
|
|
return;
|
|
}
|
|
const lhs = _core.types.cloneNode(left);
|
|
if (_core.types.isMemberExpression(left)) {
|
|
const {
|
|
object,
|
|
property,
|
|
computed
|
|
} = left;
|
|
const memo = scope.maybeGenerateMemoised(object);
|
|
if (memo) {
|
|
left.object = memo;
|
|
lhs.object = _core.types.assignmentExpression("=", _core.types.cloneNode(memo), object);
|
|
}
|
|
if (computed) {
|
|
const memo = scope.maybeGenerateMemoised(property);
|
|
if (memo) {
|
|
left.property = memo;
|
|
lhs.property = _core.types.assignmentExpression("=", _core.types.cloneNode(memo), property);
|
|
}
|
|
}
|
|
}
|
|
path.replaceWith(_core.types.logicalExpression(operatorTrunc, lhs, _core.types.assignmentExpression("=", left, right)));
|
|
}
|
|
}
|
|
};
|
|
});
|
|
|
|
//# sourceMappingURL=index.js.map
|