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af203d7 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 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");
function getName(key) {
if (_core.types.isIdentifier(key)) {
return key.name;
}
return key.value.toString();
}
var _default = exports.default = (0, _helperPluginUtils.declare)(api => {
api.assertVersion(7);
return {
name: "transform-duplicate-keys",
visitor: {
ObjectExpression(path) {
const {
node
} = path;
const plainProps = node.properties.filter(prop => !_core.types.isSpreadElement(prop) && !prop.computed);
const alreadySeenData = Object.create(null);
const alreadySeenGetters = Object.create(null);
const alreadySeenSetters = Object.create(null);
for (const prop of plainProps) {
const name = getName(prop.key);
let isDuplicate = false;
switch (prop.kind) {
case "get":
if (alreadySeenData[name] || alreadySeenGetters[name]) {
isDuplicate = true;
}
alreadySeenGetters[name] = true;
break;
case "set":
if (alreadySeenData[name] || alreadySeenSetters[name]) {
isDuplicate = true;
}
alreadySeenSetters[name] = true;
break;
default:
if (alreadySeenData[name] || alreadySeenGetters[name] || alreadySeenSetters[name]) {
isDuplicate = true;
}
alreadySeenData[name] = true;
}
if (isDuplicate) {
prop.computed = true;
prop.key = _core.types.stringLiteral(name);
}
}
}
}
};
});
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