grafast/dist/steps/coalesce.js

Cutting edge GraphQL planning and execution engine

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.CoalesceStep = void 0;
exports.coalesce = coalesce;
const constants_js_1 = require("../constants.js");
const step_js_1 = require("../step.js");
class CoalesceStep extends step_js_1.UnbatchedStep {
    static { this.$$export = {
        moduleName: "grafast",
        exportName: "CoalesceStep",
    }; }
    constructor(steps) {
        super();
        this.isSyncAndSafe = true;
        this.allowMultipleOptimizations = true;
        for (const step of steps) {
            this.addDataDependency({
                step,
                acceptFlags: constants_js_1.FLAG_INHIBITED | constants_js_1.FLAG_NULL,
            });
        }
    }
    unbatchedExecute(_info, ...values) {
        return values.find((v) => v != null) ?? null;
    }
}
exports.CoalesceStep = CoalesceStep;
function coalesce(...input) {
    if (Array.isArray(input[0])) {
        return new CoalesceStep(input[0]);
    }
    else {
        return new CoalesceStep(input);
    }
}
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