@azure/web-pubsub/dist/commonjs/utils.js

Azure client library for Azure Web PubSub

"use strict";
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
Object.defineProperty(exports, "__esModule", { value: true });
exports.getPayloadForMessage = getPayloadForMessage;
exports.odata = odata;
function isRequestBody(obj) {
    return (typeof obj === "function" ||
        (typeof obj === "object" &&
            obj != null &&
            (obj.constructor.name === "ArrayBuffer" ||
                obj.constructor.name === "Blob" ||
                ArrayBuffer.isView(obj))));
}
function getPayloadForMessage(message, options) {
    if ((options === null || options === void 0 ? void 0 : options.contentType) === "text/plain") {
        if (typeof message !== "string") {
            throw new TypeError("Message must be a string.");
        }
        return { contentType: "text/plain", payload: message };
    }
    else if (isRequestBody(message)) {
        return { contentType: "application/octet-stream", payload: message };
    }
    else {
        return { contentType: "application/json", payload: JSON.stringify(message) };
    }
}
function formatNullAndUndefined(input) {
    if (input === null || input === undefined) {
        return "null";
    }
    return input;
}
function escapeQuotesIfString(input, previous) {
    let result = input;
    if (typeof input === "string") {
        result = input.replace(/'/g, "''");
        // check if we need to escape this literal
        if (!previous.trim().endsWith("'")) {
            result = `'${result}'`;
        }
    }
    return result;
}
/**
 * Escapes an odata filter expression to avoid errors with quoting string literals.
 * Example usage:
 * ```ts snippet:ReadmeSampleOdata
 * import { odata } from "@azure/web-pubsub";
 *
 * const userId = "vic's";
 * const anonymous = null;
 * const length = 3;
 * const filter = odata`userId eq ${anonymous} or userId eq ${userId} or length(userId) > ${length}`;
 * ```
 * @param strings - Array of strings for the expression
 * @param values - Array of values for the expression
 */
function odata(strings, ...values) {
    const results = [];
    for (let i = 0; i < strings.length; i++) {
        results.push(strings[i]);
        if (i < values.length) {
            if (values[i] === null || values[i] === undefined) {
                results.push(formatNullAndUndefined(values[i]));
            }
            else {
                results.push(escapeQuotesIfString(values[i], strings[i]));
            }
        }
    }
    return results.join("");
}
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