babel/lib/6to5/transformers/computed-property-names.js
2014-09-29 03:43:21 +10:00

33 lines
670 B
JavaScript

var util = require("../util");
var _ = require("lodash");
exports.ObjectExpression = function (node) {
var hasComputed = false;
var computed = [];
node.properties = node.properties.filter(function (prop) {
if (prop.computed) {
hasComputed = true;
computed.unshift(prop);
return false;
} else {
return true;
}
});
if (!hasComputed) return;
var container = util.template("function-return-obj", {
OBJECT: node
});
_.each(computed, function (prop) {
container.callee.body.body.unshift(util.template("obj-key-set", {
KEY: prop.key,
VALUE: prop.value
}, true));
});
return container;
};