next/dist/shared/lib/router/utils/resolve-param-value.js

The React Framework

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
Object.defineProperty(exports, "resolveParamValue", {
    enumerable: true,
    get: function() {
        return resolveParamValue;
    }
});
const _invarianterror = require("../../invariant-error");
const _interceptionprefixfromparamtype = require("./interception-prefix-from-param-type");
/**
 * Extracts the param value from a path segment, handling interception markers
 * based on the expected param type.
 *
 * @param pathSegment - The path segment to extract the value from
 * @param params - The current params object for resolving dynamic param references
 * @param paramType - The expected param type which may include interception marker info
 * @returns The extracted param value
 */ function getParamValueFromSegment(pathSegment, params, paramType) {
    // If the segment is dynamic, resolve it from the params object
    if (pathSegment.type === 'dynamic') {
        return params[pathSegment.param.paramName];
    }
    // If the paramType indicates this is an intercepted param, strip the marker
    // that matches the interception marker in the param type
    const interceptionPrefix = (0, _interceptionprefixfromparamtype.interceptionPrefixFromParamType)(paramType);
    if (interceptionPrefix === pathSegment.interceptionMarker) {
        return pathSegment.name.replace(pathSegment.interceptionMarker, '');
    }
    // For static segments, use the name
    return pathSegment.name;
}
function resolveParamValue(paramName, paramType, depth, route, params) {
    switch(paramType){
        case 'catchall':
        case 'optional-catchall':
        case 'catchall-intercepted-(..)(..)':
        case 'catchall-intercepted-(.)':
        case 'catchall-intercepted-(..)':
        case 'catchall-intercepted-(...)':
            // For catchall routes, derive from pathname using depth to determine
            // which segments to use
            const processedSegments = [];
            // Process segments to handle any embedded dynamic params
            for(let index = depth; index < route.segments.length; index++){
                const pathSegment = route.segments[index];
                if (pathSegment.type === 'static') {
                    let value = pathSegment.name;
                    // For intercepted catch-all params, strip the marker from the first segment
                    const interceptionPrefix = (0, _interceptionprefixfromparamtype.interceptionPrefixFromParamType)(paramType);
                    if (interceptionPrefix && index === depth && interceptionPrefix === pathSegment.interceptionMarker) {
                        // Strip the interception marker from the value
                        value = value.replace(pathSegment.interceptionMarker, '');
                    }
                    processedSegments.push(value);
                } else {
                    // If the segment is a param placeholder, check if we have its value
                    if (!params.hasOwnProperty(pathSegment.param.paramName)) {
                        // If the segment is an optional catchall, we can break out of the
                        // loop because it's optional!
                        if (pathSegment.param.paramType === 'optional-catchall') {
                            break;
                        }
                        // Unknown param placeholder in pathname - can't derive full value
                        return undefined;
                    }
                    // If the segment matches a param, use the param value
                    // We don't encode values here as that's handled during retrieval.
                    const paramValue = params[pathSegment.param.paramName];
                    if (Array.isArray(paramValue)) {
                        processedSegments.push(...paramValue);
                    } else {
                        processedSegments.push(paramValue);
                    }
                }
            }
            if (processedSegments.length > 0) {
                return processedSegments;
            } else if (paramType === 'optional-catchall') {
                return undefined;
            } else {
                // We shouldn't be able to match a catchall segment without any path
                // segments if it's not an optional catchall
                throw Object.defineProperty(new _invarianterror.InvariantError(`Unexpected empty path segments match for a route "${route.pathname}" with param "${paramName}" of type "${paramType}"`), "__NEXT_ERROR_CODE", {
                    value: "E931",
                    enumerable: false,
                    configurable: true
                });
            }
        case 'dynamic':
        case 'dynamic-intercepted-(..)(..)':
        case 'dynamic-intercepted-(.)':
        case 'dynamic-intercepted-(..)':
        case 'dynamic-intercepted-(...)':
            // For regular dynamic parameters, take the segment at this depth
            if (depth < route.segments.length) {
                const pathSegment = route.segments[depth];
                // Check if the segment at this depth is a placeholder for an unknown param
                if (pathSegment.type === 'dynamic' && !params.hasOwnProperty(pathSegment.param.paramName)) {
                    // The segment is a placeholder like [category] and we don't have the value
                    return undefined;
                }
                // If the segment matches a param, use the param value from params object
                // Otherwise it's a static segment, just use it directly
                // We don't encode values here as that's handled during retrieval
                return getParamValueFromSegment(pathSegment, params, paramType);
            }
            return undefined;
        default:
            paramType;
    }
}

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