grafast/dist/steps/__cloneStream.js

Cutting edge GraphQL planning and execution engine

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.__CloneStreamStep = void 0;
exports.__cloneStream = __cloneStream;
const constants_ts_1 = require("../constants.js");
const step_ts_1 = require("../step.js");
class __CloneStreamStep extends step_ts_1.Step {
    static { this.$$export = {
        moduleName: "grafast",
        exportName: "__CloneStreamStep",
    }; }
    constructor($dep) {
        super();
        this.isSyncAndSafe = false;
        this.addDependency($dep);
    }
    [constants_ts_1.$$deepDepSkip]() {
        return this.getDepOptions(0).step;
    }
    listItem($item) {
        const $dep = this.getDepOptions(0).step;
        return $dep.listItem?.($item) ?? $item;
    }
    optimize() {
        // IMPORTANT: optimization is handled in OperationPlan's inlineSteps()
        return this;
    }
    execute({ values: [val], indexMap }) {
        // The stream has already been cloned, we're just a placeholder really
        if (val.isBatch) {
            return val.entries;
        }
        else {
            const v = val.value;
            return indexMap(() => v);
        }
    }
}
exports.__CloneStreamStep = __CloneStreamStep;
function __cloneStream($dep) {
    return new __CloneStreamStep($dep);
}
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