babel/lib/6to5/transformation/transformers/es3/member-expression-literals.js

17 lines
507 B
JavaScript

"use strict";
var t = require("../../../types");
exports.MemberExpression = function (node) {
var prop = node.property;
if (node.computed && t.isLiteral(prop) && t.isValidIdentifier(prop.value)) {
// foo["bar"] => foo.bar
node.property = t.identifier(prop.value);
node.computed = false;
} else if (!node.computed && t.isIdentifier(prop) && !t.isValidIdentifier(prop.name)) {
// foo.default -> foo["default"]
node.property = t.literal(prop.name);
node.computed = true;
}
};