watson-developer-cloud/lib/read-credentials-file.js

Client library to use the IBM Watson Services and AlchemyAPI

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var dotenv = require("dotenv");
var fs = require("fs");
var os = require("os");
var path = require("path");
var filename = 'ibm-credentials.env';
function readCredentialsFile() {
    // first look for an env variable called IBM_CREDENTIALS_FILE
    // it should be the path to the file
    var givenFilepath = process.env['IBM_CREDENTIALS_FILE'] || '';
    var homeDir = constructFilepath(os.homedir());
    var workingDir = constructFilepath(process.cwd());
    var filepathToUse;
    if (givenFilepath) {
        if (fileExistsAtPath(givenFilepath)) {
            // see if user gave a path to a file named something other than `ibm-credentials.env`
            filepathToUse = givenFilepath;
        }
        else if (fileExistsAtPath(constructFilepath(givenFilepath))) {
            // see if user gave a path to the directory where file is located
            filepathToUse = constructFilepath(givenFilepath);
        }
    }
    else if (fileExistsAtPath(homeDir)) {
        filepathToUse = homeDir;
    }
    else if (fileExistsAtPath(workingDir)) {
        filepathToUse = workingDir;
    }
    else {
        // file does not exist anywhere, will not be used
        return {};
    }
    var credsFile = fs.readFileSync(filepathToUse);
    return dotenv.parse(credsFile);
}
exports.readCredentialsFile = readCredentialsFile;
function fileExistsAtPath(filepath) {
    return fs.existsSync(filepath) && fs.lstatSync(filepath).isFile();
}
exports.fileExistsAtPath = fileExistsAtPath;
function constructFilepath(filepath) {
    // ensure filepath includes the filename
    if (!filepath.endsWith(filename)) {
        filepath = path.join(filepath, filename);
    }
    return filepath;
}
exports.constructFilepath = constructFilepath;
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