atlassian-connect-express/lib/internal/utils.js

Library for building Atlassian Add-ons on top of Express

const fs = require("fs");
const JSON5 = require("json5");
const _ = require("lodash");
const packageVersion = require("../../package.json").version;

const utils = {};

utils.unescapelf = function unescapelf(str) {
  return str ? str.replace(/\\n/g, "\n") : str;
};

utils.replaceAll = function replaceAll(settings, values) {
  Object.keys(settings).forEach(k => {
    const setting = settings[k];
    if (_.isString(setting)) {
      settings[k] = utils.replaceStr(setting, values);
    } else if (_.isObject(setting)) {
      utils.replaceAll(setting, values);
    }
  });
  return settings;
};

utils.replaceStr = function replaceStr(setting, values) {
  return setting.replace(/\$([a-zA-Z]\w*)/g, ($0, $1) => {
    return values[$1] || $0;
  });
};

utils.loadFile = function loadFile(path) {
  return fs.existsSync(path) ? fs.readFileSync(path).toString() : null;
};

utils.loadJSON = function loadConfig(path) {
  let data = {};
  try {
    data = utils.loadFile(path);
  } catch (e) {
    // do nothing
  }
  return data ? JSON5.parse(data) : {};
};

utils.replaceTokensInJson = function (obj, from, to) {
  for (const i in obj) {
    if (typeof obj[i] === "object") {
      obj[i] = utils.replaceTokensInJson(obj[i], from, to);
    } else {
      const re = new RegExp(from);
      if (re.test(obj[i])) {
        obj[i] = obj[i].replace(from, to);
      }
    }
  }
  return obj;
};

utils.packageVersion = function () {
  return packageVersion;
};

utils.checkNotNull = function (thing, name) {
  if (_.isNull(thing)) {
    throw new Error(`${name} must be defined`);
  }
};

module.exports = utils;