@tokens-studio/graph-engine/dist/nodes/array/indexArray.js

An execution engine to handle Token Studios generators and resolvers

import { AnyArraySchema, AnySchema, NumberSchema } from '../../schemas/index.js';
import { Node } from '../../programmatic/node.js';
export default class NodeDefinition extends Node {
    static title = 'Index Array';
    static type = 'studio.tokens.array.index';
    static description = 'Extracts a value from an array at a given index. ';
    constructor(props) {
        super(props);
        this.addInput('array', {
            type: AnyArraySchema
        });
        this.addInput('index', {
            type: {
                ...NumberSchema,
                default: 0
            }
        });
        this.addOutput('value', {
            type: AnySchema
        });
    }
    execute() {
        const array = this.inputs.array;
        const { index } = this.getAllInputs();
        //Get the value
        const calculated = array.value.at(index);
        //Extract the type
        //We assume that the array has a single defined item
        // Infer the item type from the array schema
        let itemType = AnySchema;
        if (array.type && array.type.items) {
            itemType = array.type.items;
        }
        this.outputs.value.set(calculated, itemType);
    }
}
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