@azure/cosmos/dist-esm/src/common/helper.js

import { OperationType } from "./constants";
const trimLeftSlashes = new RegExp("^[/]+");
const trimRightSlashes = new RegExp("[/]+$");
const illegalResourceIdCharacters = new RegExp("[/\\\\?#]");
const illegalItemResourceIdCharacters = new RegExp("[/\\\\#]");
/** @hidden */
export function jsonStringifyAndEscapeNonASCII(arg) {
    // TODO: better way for this? Not sure.
    // escapes non-ASCII characters as \uXXXX
    return JSON.stringify(arg).replace(/[\u007F-\uFFFF]/g, (m) => {
        return "\\u" + ("0000" + m.charCodeAt(0).toString(16)).slice(-4);
    });
}
/**
 * @hidden
 */
export function parseLink(resourcePath) {
    if (resourcePath.length === 0) {
        /* for DatabaseAccount case, both type and objectBody will be undefined. */
        return {
            type: undefined,
            objectBody: undefined,
        };
    }
    if (resourcePath[resourcePath.length - 1] !== "/") {
        resourcePath = resourcePath + "/";
    }
    if (resourcePath[0] !== "/") {
        resourcePath = "/" + resourcePath;
    }
    /*
           The path will be in the form of /[resourceType]/[resourceId]/ ....
           /[resourceType]//[resourceType]/[resourceId]/ .... /[resourceType]/[resourceId]/
           or /[resourceType]/[resourceId]/ .... /[resourceType]/[resourceId]/[resourceType]/[resourceId]/ ....
            /[resourceType]/[resourceId]/
           The result of split will be in the form of
           [[[resourceType], [resourceId] ... ,[resourceType], [resourceId], ""]
           In the first case, to extract the resourceId it will the element before last ( at length -2 )
           and the type will be before it ( at length -3 )
           In the second case, to extract the resource type it will the element before last ( at length -2 )
          */
    const pathParts = resourcePath.split("/");
    let id;
    let type;
    if (pathParts.length % 2 === 0) {
        // request in form /[resourceType]/[resourceId]/ .... /[resourceType]/[resourceId].
        id = pathParts[pathParts.length - 2];
        type = pathParts[pathParts.length - 3];
    }
    else {
        // request in form /[resourceType]/[resourceId]/ .... /[resourceType]/.
        id = pathParts[pathParts.length - 3];
        type = pathParts[pathParts.length - 2];
    }
    const result = {
        type,
        objectBody: {
            id,
            self: resourcePath,
        },
    };
    return result;
}
/**
 * @hidden
 */
export function isReadRequest(operationType) {
    return operationType === OperationType.Read || operationType === OperationType.Query;
}
/**
 * @hidden
 */
export function sleep(time) {
    return new Promise((resolve) => {
        setTimeout(() => {
            resolve();
        }, time);
    });
}
/**
 * @hidden
 */
export function getContainerLink(link) {
    return link.split("/").slice(0, 4).join("/");
}
/**
 * @hidden
 */
export function trimSlashes(source) {
    return source.replace(trimLeftSlashes, "").replace(trimRightSlashes, "");
}
/**
 * @hidden
 */
export function getHexaDigit() {
    return Math.floor(Math.random() * 16).toString(16);
}
/**
 * @hidden
 */
export function parsePath(path) {
    const pathParts = [];
    let currentIndex = 0;
    const throwError = () => {
        throw new Error("Path " + path + " is invalid at index " + currentIndex);
    };
    const getEscapedToken = () => {
        const quote = path[currentIndex];
        let newIndex = ++currentIndex;
        for (;;) {
            newIndex = path.indexOf(quote, newIndex);
            if (newIndex === -1) {
                throwError();
            }
            if (path[newIndex - 1] !== "\\") {
                break;
            }
            ++newIndex;
        }
        const token = path.substr(currentIndex, newIndex - currentIndex);
        currentIndex = newIndex + 1;
        return token;
    };
    const getToken = () => {
        const newIndex = path.indexOf("/", currentIndex);
        let token = null;
        if (newIndex === -1) {
            token = path.substr(currentIndex);
            currentIndex = path.length;
        }
        else {
            token = path.substr(currentIndex, newIndex - currentIndex);
            currentIndex = newIndex;
        }
        token = token.trim();
        return token;
    };
    while (currentIndex < path.length) {
        if (path[currentIndex] !== "/") {
            throwError();
        }
        if (++currentIndex === path.length) {
            break;
        }
        if (path[currentIndex] === '"' || path[currentIndex] === "'") {
            pathParts.push(getEscapedToken());
        }
        else {
            pathParts.push(getToken());
        }
    }
    return pathParts;
}
/**
 * @hidden
 */
export function isResourceValid(resource, err) {
    // TODO: fix strictness issues so that caller contexts respects the types of the functions
    if (resource.id) {
        if (typeof resource.id !== "string") {
            err.message = "Id must be a string.";
            return false;
        }
        if (resource.id.indexOf("/") !== -1 ||
            resource.id.indexOf("\\") !== -1 ||
            resource.id.indexOf("?") !== -1 ||
            resource.id.indexOf("#") !== -1) {
            err.message = "Id contains illegal chars.";
            return false;
        }
        if (resource.id[resource.id.length - 1] === " ") {
            err.message = "Id ends with a space.";
            return false;
        }
    }
    return true;
}
/**
 * @hidden
 */
export function isItemResourceValid(resource, err) {
    // TODO: fix strictness issues so that caller contexts respects the types of the functions
    if (resource.id) {
        if (typeof resource.id !== "string") {
            err.message = "Id must be a string.";
            return false;
        }
        if (resource.id.indexOf("/") !== -1 ||
            resource.id.indexOf("\\") !== -1 ||
            resource.id.indexOf("#") !== -1) {
            err.message = "Id contains illegal chars.";
            return false;
        }
    }
    return true;
}
/** @hidden */
export function getIdFromLink(resourceLink) {
    resourceLink = trimSlashes(resourceLink);
    return resourceLink;
}
/** @hidden */
export function getPathFromLink(resourceLink, resourceType) {
    resourceLink = trimSlashes(resourceLink);
    if (resourceType) {
        return "/" + encodeURI(resourceLink) + "/" + resourceType;
    }
    else {
        return "/" + encodeURI(resourceLink);
    }
}
/**
 * @hidden
 */
export function isStringNullOrEmpty(inputString) {
    // checks whether string is null, undefined, empty or only contains space
    return !inputString || /^\s*$/.test(inputString);
}
/**
 * @hidden
 */
export function trimSlashFromLeftAndRight(inputString) {
    if (typeof inputString !== "string") {
        throw new Error("invalid input: input is not string");
    }
    return inputString.replace(trimLeftSlashes, "").replace(trimRightSlashes, "");
}
/**
 * @hidden
 */
export function validateResourceId(resourceId) {
    // if resourceId is not a string or is empty throw an error
    if (typeof resourceId !== "string" || isStringNullOrEmpty(resourceId)) {
        throw new Error("Resource ID must be a string and cannot be undefined, null or empty");
    }
    // if resource id contains illegal characters throw an error
    if (illegalResourceIdCharacters.test(resourceId)) {
        throw new Error("Illegal characters ['/', '\\', '#', '?'] cannot be used in Resource ID");
    }
    return true;
}
/**
 * @hidden
 */
export function validateItemResourceId(resourceId) {
    // if resourceId is not a string or is empty throw an error
    if (typeof resourceId !== "string" || isStringNullOrEmpty(resourceId)) {
        throw new Error("Resource ID must be a string and cannot be undefined, null or empty");
    }
    // if resource id contains illegal characters throw an error
    if (illegalItemResourceIdCharacters.test(resourceId)) {
        throw new Error("Illegal characters ['/', '\\', '#'] cannot be used in Resource ID");
    }
    return true;
}
/**
 * @hidden
 */
export function getResourceIdFromPath(resourcePath) {
    if (!resourcePath || typeof resourcePath !== "string") {
        return null;
    }
    const trimmedPath = trimSlashFromLeftAndRight(resourcePath);
    const pathSegments = trimmedPath.split("/");
    // number of segments of a path must always be even
    if (pathSegments.length % 2 !== 0) {
        return null;
    }
    return pathSegments[pathSegments.length - 1];
}
/**
 * @hidden
 */
export function parseConnectionString(connectionString) {
    const keyValueStrings = connectionString.split(";");
    const { AccountEndpoint, AccountKey } = keyValueStrings.reduce((connectionObject, keyValueString) => {
        const [key, ...value] = keyValueString.split("=");
        connectionObject[key] = value.join("=");
        return connectionObject;
    }, {});
    if (!AccountEndpoint || !AccountKey) {
        throw new Error("Could not parse the provided connection string");
    }
    return {
        endpoint: AccountEndpoint,
        key: AccountKey,
    };
}
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