next/dist/shared/lib/server-reference-info.js

The React Framework

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
0 && (module.exports = {
    SERVER_REFERENCE_ID_LENGTH: null,
    extractInfoFromServerReferenceId: null,
    mightBeServerReferenceId: null,
    omitUnusedArgs: null
});
function _export(target, all) {
    for(var name in all)Object.defineProperty(target, name, {
        enumerable: true,
        get: all[name]
    });
}
_export(exports, {
    SERVER_REFERENCE_ID_LENGTH: function() {
        return SERVER_REFERENCE_ID_LENGTH;
    },
    extractInfoFromServerReferenceId: function() {
        return extractInfoFromServerReferenceId;
    },
    mightBeServerReferenceId: function() {
        return mightBeServerReferenceId;
    },
    omitUnusedArgs: function() {
        return omitUnusedArgs;
    }
});
const SERVER_REFERENCE_ID_LENGTH = 42;
function mightBeServerReferenceId(id) {
    return id.length === SERVER_REFERENCE_ID_LENGTH;
}
function extractInfoFromServerReferenceId(id) {
    const infoByte = parseInt(id.slice(0, 2), 16);
    const typeBit = infoByte >> 7 & 0x1;
    const argMask = infoByte >> 1 & 0x3f;
    const restArgs = infoByte & 0x1;
    const usedArgs = Array(6);
    for(let index = 0; index < 6; index++){
        const bitPosition = 5 - index;
        const bit = argMask >> bitPosition & 0x1;
        usedArgs[index] = bit === 1;
    }
    return {
        type: typeBit === 1 ? 'use-cache' : 'server-action',
        usedArgs: usedArgs,
        hasRestArgs: restArgs === 1
    };
}
function omitUnusedArgs(args, info) {
    const filteredArgs = new Array(args.length);
    let length = 0;
    for(let index = 0; index < args.length; index++){
        if (index < 6 && info.usedArgs[index] || // This assumes that the server reference info byte has the restArgs bit
        // set to 1 if there are more than 6 args.
        index >= 6 && info.hasRestArgs) {
            filteredArgs[index] = args[index];
            length = index + 1;
        }
    }
    // Trim trailing unused args from the array.
    filteredArgs.length = length;
    return filteredArgs;
}

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