ts-flex-query/helpers/get-data-type.js

Flexible and type-safe data queries

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getDataType = getDataType;
const data_type_1 = require("../types/data-type");
const utils_1 = require("./utils");
function getDataType(value) {
    const type = typeof value;
    switch (type) {
        case 'number':
            return { type: data_type_1.DataTypeType.number };
        case 'bigint':
            return { type: data_type_1.DataTypeType.bigint };
        case 'symbol':
        case 'string':
            return { type: data_type_1.DataTypeType.string };
        case 'boolean':
            return { type: data_type_1.DataTypeType.boolean };
        case 'undefined':
            return { type: data_type_1.DataTypeType.undefined };
        case 'object':
            if (value === null) {
                return { type: data_type_1.DataTypeType.null };
            }
            if (Array.isArray(value)) {
                return {
                    type: data_type_1.DataTypeType.array,
                    elementType: value.length ? getDataType(value[0]) : { type: data_type_1.DataTypeType.unknown }
                };
            }
            return {
                type: data_type_1.DataTypeType.object,
                fields: (0, utils_1.createObjectFromArray)(Object.entries(value), (entry) => entry[0], (entry) => getDataType(entry[1]))
            };
        case 'function':
            throw new Error('Functions are not supported in queries.');
        default:
            return (0, utils_1.unexpected)(type);
    }
}
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