@deck.gl/json/dist/helpers/convert-functions.js

JSON format rendering components for deck.gl

// deck.gl
// SPDX-License-Identifier: MIT
// Copyright (c) vis.gl contributors
import parseExpressionString from "./parse-expression-string.js";
import { FUNCTION_IDENTIFIER } from "../syntactic-sugar.js";
function hasFunctionIdentifier(value) {
    return typeof value === 'string' && value.startsWith(FUNCTION_IDENTIFIER);
}
function trimFunctionIdentifier(value) {
    return value.replace(FUNCTION_IDENTIFIER, '');
}
// Try to determine if any props are function valued
// and if so convert their string values to functions
export default function convertFunctions(props, configuration) {
    // Use deck.gl prop types if available.
    const replacedProps = {};
    for (const propName in props) {
        let propValue = props[propName];
        // Parse string valued expressions
        const isFunction = hasFunctionIdentifier(propValue);
        if (isFunction) {
            // Parse string as "expression", return equivalent JavaScript function
            propValue = trimFunctionIdentifier(propValue);
            propValue = parseExpressionString(propValue, configuration);
        }
        replacedProps[propName] = propValue;
    }
    return replacedProps;
}
//# sourceMappingURL=convert-functions.js.map