couchbase/dist/connspec.js

The official Couchbase Node.js Client Library.

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
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      desc = { enumerable: true, get: function() { return m[k]; } };
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}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ConnSpec = void 0;
/* eslint jsdoc/require-jsdoc: off */
const qs = __importStar(require("querystring"));
const partsMatcher = /((.*):\/\/)?(([^/?:]*)(:([^/?:@]*))?@)?([^/?]*)(\/([^?]*))?(\?(.*))?/;
const hostMatcher = /((\[[^\]]+\]+)|([^;,:]+))(:([0-9]*))?(;,)?/g;
const kvMatcher = /([^=]*)=([^&?]*)[&?]?/g;
class ConnSpec {
    constructor(data) {
        this.scheme = 'couchbase';
        this.hosts = [['localhost', 0]];
        this.bucket = '';
        this.options = {};
        if (data) {
            Object.assign(this, data);
        }
    }
    static parse(connStr) {
        const spec = new ConnSpec();
        if (!connStr) {
            return spec;
        }
        const parts = partsMatcher.exec(connStr);
        if (!parts) {
            return spec;
        }
        if (parts[2]) {
            spec.scheme = parts[2];
        }
        else {
            spec.scheme = 'couchbase';
        }
        if (parts[7]) {
            spec.hosts = [];
            while (hostMatcher) {
                const hostMatch = hostMatcher.exec(parts[7]);
                if (!hostMatch) {
                    break;
                }
                spec.hosts.push([
                    hostMatch[1],
                    hostMatch[5] ? parseInt(hostMatch[5], 10) : 0,
                ]);
            }
        }
        else {
            throw new Error('a connection string with no hosts is illegal');
        }
        if (parts[9]) {
            spec.bucket = parts[9];
        }
        else {
            spec.bucket = '';
        }
        if (parts[11]) {
            spec.options = {};
            for (;;) {
                const kvMatch = kvMatcher.exec(parts[11]);
                if (!kvMatch) {
                    break;
                }
                const optKey = qs.unescape(kvMatch[1]);
                const optVal = qs.unescape(kvMatch[2]);
                if (optKey in spec.options) {
                    const specOptVal = spec.options[optKey];
                    if (typeof specOptVal === 'string') {
                        spec.options[optKey] = [specOptVal, optVal];
                    }
                    else {
                        specOptVal.push(optVal);
                    }
                }
                else {
                    spec.options[optKey] = optVal;
                }
            }
        }
        else {
            spec.options = {};
        }
        return spec;
    }
    toString() {
        let connStr = '';
        if (this.scheme) {
            connStr += this.scheme + '://';
        }
        if (this.hosts.length === 0) {
            throw new Error('a connection string with no hosts is illegal');
        }
        for (let i = 0; i < this.hosts.length; ++i) {
            const host = this.hosts[i];
            if (i !== 0) {
                connStr += ',';
            }
            connStr += host[0];
            if (host[1]) {
                connStr += ':' + host[1];
            }
        }
        if (this.bucket) {
            connStr += '/' + this.bucket;
        }
        if (this.options) {
            const optParts = [];
            for (const optKey in this.options) {
                const optVal = this.options[optKey];
                if (typeof optVal === 'string') {
                    optParts.push(qs.escape(optKey) + '=' + qs.escape(optVal));
                }
                else {
                    for (let optIdx = 0; optIdx < optVal.length; ++optIdx) {
                        optParts.push(qs.escape(optKey) + '=' + qs.escape(optVal[optIdx]));
                    }
                }
            }
            if (optParts.length > 0) {
                connStr += '?' + optParts.join('&');
            }
        }
        return connStr;
    }
}
exports.ConnSpec = ConnSpec;