@babylonjs/viewer/dist/chunks/flowGraphArrayIndexBlock-tuNRc3eV.esm.js

The Babylon Viewer aims to simplify a specific but common Babylon.js use case: loading, viewing, and interacting with a 3D model.

import { F as FlowGraphBlock, g as getNumericValue } from './KHR_interactivity-CnR665Qq.esm.js';
import { R as RichTypeAny } from './declarationMapper-mPOKbCS_.esm.js';
import { F as FlowGraphInteger } from './objectModelMapping-OlchA9xj.esm.js';
import { u as RegisterClass } from './index-HyNDfLMI.esm.js';
import './spotLight.pure-C65PiYTZ.esm.js';

/** This file must only contain pure code and pure imports */
/**
 * This simple Util block takes an array as input and selects a single element from it.
 */
class FlowGraphArrayIndexBlock extends FlowGraphBlock {
    /**
     * Construct a FlowGraphArrayIndexBlock.
     * @param config construction parameters
     */
    constructor(config) {
        super(config);
        this.config = config;
        this.array = this.registerDataInput("array", RichTypeAny);
        this.index = this.registerDataInput("index", RichTypeAny, new FlowGraphInteger(-1));
        this.value = this.registerDataOutput("value", RichTypeAny);
    }
    /**
     * @internal
     */
    _updateOutputs(context) {
        const array = this.array.getValue(context);
        const rawIndex = this.index.getValue(context);
        // An undefined or unconnected input short-circuits to a null output rather than crashing
        // `getNumericValue` on a missing `.value` property.
        if (rawIndex === undefined || rawIndex === null) {
            this.value.setValue(null, context);
            return;
        }
        // A string index is an opaque reference whose format the host environment owns, so ask it
        // which element the reference denotes.
        let index;
        if (typeof rawIndex === "string") {
            const decoded = context.decodeIndexReference(rawIndex);
            if (decoded === undefined) {
                this.value.setValue(null, context);
                return;
            }
            index = decoded;
        }
        else {
            index = getNumericValue(rawIndex);
        }
        if (array && index >= 0 && index < array.length) {
            this.value.setValue(array[index], context);
        }
        else {
            this.value.setValue(null, context);
        }
    }
    /**
     * Serializes this block
     * @param serializationObject the object to serialize to
     */
    serialize(serializationObject) {
        super.serialize(serializationObject);
    }
    getClassName() {
        return "FlowGraphArrayIndexBlock" /* FlowGraphBlockNames.ArrayIndex */;
    }
}
let _Registered = false;
/**
 * Register side effects for flowGraphArrayIndexBlock.
 * Safe to call multiple times; only the first call has an effect.
 */
function RegisterFlowGraphArrayIndexBlock() {
    if (_Registered) {
        return;
    }
    _Registered = true;
    RegisterClass("FlowGraphArrayIndexBlock" /* FlowGraphBlockNames.ArrayIndex */, FlowGraphArrayIndexBlock);
}

/**
 * Re-exports pure implementation and applies runtime side effects.
 * Import flowGraphArrayIndexBlock.pure for tree-shakeable, side-effect-free usage.
 */
RegisterFlowGraphArrayIndexBlock();

export { FlowGraphArrayIndexBlock, RegisterFlowGraphArrayIndexBlock };
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