@gqlts/cli/dist/render/typeMap/unionType.js

Generate a client sdk from your GraphQl API

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.unionType = unionType;
const lodash_1 = require("lodash");
function unionType(type, _) {
    const types = type.getTypes();
    const typeObj = types.reduce((r, t) => {
        r[`on_${t.name}`] = { type: t.name };
        return r;
    }, {});
    const commonInterfaces = (0, lodash_1.uniq)((0, lodash_1.flatten)(types.map((x) => x.getInterfaces())));
    commonInterfaces.forEach((t) => {
        typeObj[`on_${t.name}`] = { type: t.name };
    });
    typeObj.__typename = { type: 'String' };
    return typeObj;
}
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