@deck.gl/json/dist/json-configuration.js

JSON format rendering components for deck.gl

// deck.gl
// SPDX-License-Identifier: MIT
// Copyright (c) vis.gl contributors
// TODO - default parsing code should not be part of the configuration.
import parseExpressionString from "./helpers/parse-expression-string.js";
import assert from "./utils/assert.js";
import { TYPE_KEY, FUNCTION_KEY } from "./syntactic-sugar.js";
const isObject = value => value && typeof value === 'object';
export default class JSONConfiguration {
    constructor(...configurations) {
        this.typeKey = TYPE_KEY;
        this.functionKey = FUNCTION_KEY;
        this.log = console; // eslint-disable-line
        this.classes = {};
        this.reactComponents = {};
        this.enumerations = {};
        this.constants = {};
        this.functions = {};
        this.React = null;
        // TODO - this needs to be simpler, function conversion should be built in
        this.convertFunction = parseExpressionString;
        this.preProcessClassProps = (Class, props) => props;
        this.postProcessConvertedJson = json => json;
        for (const configuration of configurations) {
            this.merge(configuration);
        }
    }
    merge(configuration) {
        for (const key in configuration) {
            switch (key) {
                // DEPRECATED = For backwards compatibility, add views and layers to classes;
                case 'layers':
                case 'views':
                    Object.assign(this.classes, configuration[key]);
                    break;
                default:
                    // Store configuration as root fields (this.classes, ...)
                    if (key in this) {
                        const value = configuration[key];
                        this[key] = isObject(this[key]) ? Object.assign(this[key], value) : value;
                    }
            }
        }
    }
    validate(configuration) {
        assert(!this.typeKey || typeof this.typeKey === 'string');
        assert(isObject(this.classes));
        return true;
    }
}
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