@barchart/common-js/dist/cjs/lang/attributes.js

Library of common JavaScript utilities

var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var attributes_exports = {};
__export(attributes_exports, {
  erase: () => erase,
  has: () => has,
  read: () => read,
  write: () => write
});
module.exports = __toCommonJS(attributes_exports);
var assert = __toESM(require("./assert.js"));
var is = __toESM(require("./is.js"));
function getPropertyNameArray(propertyNames, separator = ".") {
  let returnRef;
  if (is.array(propertyNames)) {
    returnRef = propertyNames;
  } else {
    returnRef = propertyNames.split(separator);
  }
  return returnRef;
}
function getPropertyTarget(target, propertyNameArray, create) {
  let propertyTarget = target;
  for (let i = 0; i < propertyNameArray.length - 1; i++) {
    let propertyName = propertyNameArray[i];
    if (Object.prototype.hasOwnProperty.call(propertyTarget, propertyName) && !is.nil(propertyTarget[propertyName]) && !is.undef(propertyTarget[propertyName])) {
      propertyTarget = propertyTarget[propertyName];
    } else if (create) {
      propertyTarget = propertyTarget[propertyName] = {};
    } else {
      propertyTarget = null;
      break;
    }
  }
  return propertyTarget;
}
function last(array) {
  if (array.length !== 0) {
    return array[array.length - 1];
  } else {
    return null;
  }
}
function has(target, propertyNames, separator) {
  assert.argumentIsRequired(target, "target", Object);
  if (is.array(propertyNames)) {
    assert.argumentIsArray(propertyNames, "propertyNames", String);
  } else {
    assert.argumentIsRequired(propertyNames, "propertyNames", String);
  }
  const propertyNameArray = getPropertyNameArray(propertyNames, separator);
  const propertyTarget = getPropertyTarget(target, propertyNameArray, false);
  return propertyTarget !== null && Object.prototype.hasOwnProperty.call(propertyTarget, last(propertyNameArray));
}
function read(target, propertyNames, separator) {
  assert.argumentIsRequired(target, "target", Object);
  if (is.array(propertyNames)) {
    assert.argumentIsArray(propertyNames, "propertyNames", String);
  } else {
    assert.argumentIsRequired(propertyNames, "propertyNames", String);
  }
  const propertyNameArray = getPropertyNameArray(propertyNames, separator);
  const propertyTarget = getPropertyTarget(target, propertyNameArray, false);
  let returnRef;
  if (propertyTarget) {
    const propertyName = last(propertyNameArray);
    returnRef = propertyTarget[propertyName];
  } else {
    returnRef = void 0;
  }
  return returnRef;
}
function write(target, propertyNames, value, separator) {
  assert.argumentIsRequired(target, "target", Object);
  if (is.array(propertyNames)) {
    assert.argumentIsArray(propertyNames, "propertyNames", String);
  } else {
    assert.argumentIsRequired(propertyNames, "propertyNames", String);
  }
  const propertyNameArray = getPropertyNameArray(propertyNames, separator);
  const propertyTarget = getPropertyTarget(target, propertyNameArray, true);
  const propertyName = last(propertyNameArray);
  propertyTarget[propertyName] = value;
}
function erase(target, propertyNames, separator) {
  if (!has(target, propertyNames)) {
    return;
  }
  const propertyNameArray = getPropertyNameArray(propertyNames, separator);
  const propertyTarget = getPropertyTarget(target, propertyNameArray, true);
  const propertyName = last(propertyNameArray);
  delete propertyTarget[propertyName];
}