@orbit/utils
Version:
Core utilities for Orbit.
238 lines • 20.7 kB
JavaScript
;
/* eslint-disable @typescript-eslint/explicit-module-boundary-types, valid-jsdoc */
Object.defineProperty(exports, "__esModule", { value: true });
exports.objectValues = exports.deepSet = exports.deepGet = exports.deepMerge = exports.merge = exports.isNone = exports.isObject = exports.toArray = exports.extend = exports.expose = exports.clone = void 0;
/**
* Clones a value. If the value is an object, a deeply nested clone will be
* created.
*
* Traverses all object properties (but not prototype properties).
*/
function clone(obj) {
if (obj === undefined || obj === null || typeof obj !== 'object') {
return obj;
}
let dup;
let type = Object.prototype.toString.call(obj);
if (type === '[object Date]') {
dup = new Date();
dup.setTime(obj.getTime());
}
else if (type === '[object RegExp]') {
dup = obj.constructor(obj);
}
else if (type === '[object Array]') {
dup = [];
for (let i = 0, len = obj.length; i < len; i++) {
if (obj.hasOwnProperty(i)) {
dup.push(clone(obj[i]));
}
}
}
else {
let val;
dup = {};
for (let key in obj) {
if (obj.hasOwnProperty(key)) {
val = obj[key];
if (typeof val === 'object') {
val = clone(val);
}
dup[key] = val;
}
}
}
return dup;
}
exports.clone = clone;
/**
* Expose properties and methods from one object on another.
*
* Methods will be called on `source` and will maintain `source` as the context.
*
* @deprecated since v0.17
*/
function expose(destination, source) {
let properties;
if (arguments.length > 2) {
properties = Array.prototype.slice.call(arguments, 2);
}
else {
properties = Object.keys(source);
}
properties.forEach((p) => {
if (typeof source[p] === 'function') {
destination[p] = function () {
return source[p].apply(source, arguments);
};
}
else {
destination[p] = source[p];
}
});
}
exports.expose = expose;
/**
* Extend an object with the properties of one or more other objects.
*
* @deprecated since v0.17
*/
function extend(destination, ...sources) {
sources.forEach((source) => {
for (let p in source) {
if (source.hasOwnProperty(p)) {
destination[p] = source[p];
}
}
});
return destination;
}
exports.extend = extend;
/**
* Converts an object to an `Array` if it's not already.
*
* @export
* @param {*} obj
* @returns {any[]}
*/
function toArray(obj) {
if (isNone(obj)) {
return [];
}
else {
return Array.isArray(obj) ? obj : [obj];
}
}
exports.toArray = toArray;
/**
* Checks whether a value is a non-null object
*
* @export
* @param {*} obj
* @returns {boolean}
*/
function isObject(obj) {
return obj !== null && typeof obj === 'object';
}
exports.isObject = isObject;
/**
* Checks whether an object is null or undefined
*
* @export
* @param {*} obj
* @returns {boolean}
*/
function isNone(obj) {
return obj === undefined || obj === null;
}
exports.isNone = isNone;
/**
* Merges properties from other objects into a base object. Properties that
* resolve to `undefined` will not overwrite properties on the base object
* that already exist.
*
* @deprecated since v0.17
*/
function merge(object, ...sources) {
sources.forEach((source) => {
Object.keys(source).forEach((field) => {
if (source.hasOwnProperty(field)) {
let value = source[field];
if (value !== undefined) {
object[field] = clone(value);
}
}
});
});
return object;
}
exports.merge = merge;
/**
* Merges properties from other objects into a base object, traversing and
* merging any objects that are encountered.
*
* Properties that resolve to `undefined` will not overwrite properties on the
* base object that already exist.
*/
function deepMerge(object, ...sources) {
sources.forEach((source) => {
Object.keys(source).forEach((field) => {
if (source.hasOwnProperty(field)) {
let a = object[field];
let b = source[field];
if (isObject(a) &&
isObject(b) &&
!Array.isArray(a) &&
!Array.isArray(b)) {
deepMerge(a, b);
}
else if (b !== undefined) {
object[field] = clone(b);
}
}
});
});
return object;
}
exports.deepMerge = deepMerge;
/**
* Retrieves a value from a nested path on an object.
*
* Returns any falsy value encountered while traversing the path.
*/
function deepGet(obj, path) {
let index = -1;
let result = obj;
while (++index < path.length) {
result = result[path[index]];
if (!result) {
return result;
}
}
return result;
}
exports.deepGet = deepGet;
/**
* Sets a value on an object at a nested path.
*
* This function will create objects along the path if necessary to allow
* setting a deeply nested value.
*
* Returns `false` only if the current value is already strictly equal to the
* requested `value` argument. Otherwise returns `true`.
*/
function deepSet(obj, path, value) {
let ptr = obj;
let prop = path.pop();
let segment;
for (let i = 0, l = path.length; i < l; i++) {
segment = path[i];
if (ptr[segment] === undefined) {
ptr[segment] = typeof segment === 'number' ? [] : {};
}
ptr = ptr[segment];
}
if (ptr[prop] === value) {
return false;
}
else {
ptr[prop] = value;
return true;
}
}
exports.deepSet = deepSet;
/**
* Find an array of values that correspond to the keys of an object.
*
* This is a ponyfill for `Object.values`, which is still experimental.
*/
function objectValues(obj) {
if (Object.values) {
return Object.values(obj);
}
else {
return Object.keys(obj).map((k) => obj[k]);
}
}
exports.objectValues = objectValues;
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"objects.js","sourceRoot":"","sources":["../../src/objects.ts"],"names":[],"mappings":";AAAA,mFAAmF;;;AAEnF;;;;;GAKG;AACH,SAAgB,KAAK,CAAC,GAAQ;IAC5B,IAAI,GAAG,KAAK,SAAS,IAAI,GAAG,KAAK,IAAI,IAAI,OAAO,GAAG,KAAK,QAAQ,EAAE;QAChE,OAAO,GAAG,CAAC;KACZ;IAED,IAAI,GAAQ,CAAC;IACb,IAAI,IAAI,GAAG,MAAM,CAAC,SAAS,CAAC,QAAQ,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC;IAE/C,IAAI,IAAI,KAAK,eAAe,EAAE;QAC5B,GAAG,GAAG,IAAI,IAAI,EAAE,CAAC;QACjB,GAAG,CAAC,OAAO,CAAC,GAAG,CAAC,OAAO,EAAE,CAAC,CAAC;KAC5B;SAAM,IAAI,IAAI,KAAK,iBAAiB,EAAE;QACrC,GAAG,GAAG,GAAG,CAAC,WAAW,CAAC,GAAG,CAAC,CAAC;KAC5B;SAAM,IAAI,IAAI,KAAK,gBAAgB,EAAE;QACpC,GAAG,GAAG,EAAE,CAAC;QACT,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,GAAG,GAAG,GAAG,CAAC,MAAM,EAAE,CAAC,GAAG,GAAG,EAAE,CAAC,EAAE,EAAE;YAC9C,IAAI,GAAG,CAAC,cAAc,CAAC,CAAC,CAAC,EAAE;gBACzB,GAAG,CAAC,IAAI,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;aACzB;SACF;KACF;SAAM;QACL,IAAI,GAAG,CAAC;QAER,GAAG,GAAG,EAAE,CAAC;QACT,KAAK,IAAI,GAAG,IAAI,GAAG,EAAE;YACnB,IAAI,GAAG,CAAC,cAAc,CAAC,GAAG,CAAC,EAAE;gBAC3B,GAAG,GAAG,GAAG,CAAC,GAAG,CAAC,CAAC;gBACf,IAAI,OAAO,GAAG,KAAK,QAAQ,EAAE;oBAC3B,GAAG,GAAG,KAAK,CAAC,GAAG,CAAC,CAAC;iBAClB;gBACD,GAAG,CAAC,GAAG,CAAC,GAAG,GAAG,CAAC;aAChB;SACF;KACF;IACD,OAAO,GAAG,CAAC;AACb,CAAC;AAnCD,sBAmCC;AAED;;;;;;GAMG;AACH,SAAgB,MAAM,CAAC,WAAgB,EAAE,MAAW;IAClD,IAAI,UAAoB,CAAC;IACzB,IAAI,SAAS,CAAC,MAAM,GAAG,CAAC,EAAE;QACxB,UAAU,GAAG,KAAK,CAAC,SAAS,CAAC,KAAK,CAAC,IAAI,CAAC,SAAS,EAAE,CAAC,CAAC,CAAC;KACvD;SAAM;QACL,UAAU,GAAG,MAAM,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC;KAClC;IAED,UAAU,CAAC,OAAO,CAAC,CAAC,CAAC,EAAE,EAAE;QACvB,IAAI,OAAO,MAAM,CAAC,CAAC,CAAC,KAAK,UAAU,EAAE;YACnC,WAAW,CAAC,CAAC,CAAC,GAAG;gBACf,OAAO,MAAM,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC,MAAM,EAAE,SAAS,CAAC,CAAC;YAC5C,CAAC,CAAC;SACH;aAAM;YACL,WAAW,CAAC,CAAC,CAAC,GAAG,MAAM,CAAC,CAAC,CAAC,CAAC;SAC5B;IACH,CAAC,CAAC,CAAC;AACL,CAAC;AAjBD,wBAiBC;AAED;;;;GAIG;AACH,SAAgB,MAAM,CAAC,WAAgB,EAAE,GAAG,OAAc;IACxD,OAAO,CAAC,OAAO,CAAC,CAAC,MAAM,EAAE,EAAE;QACzB,KAAK,IAAI,CAAC,IAAI,MAAM,EAAE;YACpB,IAAI,MAAM,CAAC,cAAc,CAAC,CAAC,CAAC,EAAE;gBAC5B,WAAW,CAAC,CAAC,CAAC,GAAG,MAAM,CAAC,CAAC,CAAC,CAAC;aAC5B;SACF;IACH,CAAC,CAAC,CAAC;IACH,OAAO,WAAW,CAAC;AACrB,CAAC;AATD,wBASC;AAED;;;;;;GAMG;AACH,SAAgB,OAAO,CAAC,GAAY;IAClC,IAAI,MAAM,CAAC,GAAG,CAAC,EAAE;QACf,OAAO,EAAE,CAAC;KACX;SAAM;QACL,OAAO,KAAK,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC;KACzC;AACH,CAAC;AAND,0BAMC;AAED;;;;;;GAMG;AACH,SAAgB,QAAQ,CAAC,GAAY;IACnC,OAAO,GAAG,KAAK,IAAI,IAAI,OAAO,GAAG,KAAK,QAAQ,CAAC;AACjD,CAAC;AAFD,4BAEC;AAED;;;;;;GAMG;AACH,SAAgB,MAAM,CAAC,GAAY;IACjC,OAAO,GAAG,KAAK,SAAS,IAAI,GAAG,KAAK,IAAI,CAAC;AAC3C,CAAC;AAFD,wBAEC;AAED;;;;;;GAMG;AACH,SAAgB,KAAK,CAAC,MAAW,EAAE,GAAG,OAAc;IAClD,OAAO,CAAC,OAAO,CAAC,CAAC,MAAM,EAAE,EAAE;QACzB,MAAM,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC,OAAO,CAAC,CAAC,KAAK,EAAE,EAAE;YACpC,IAAI,MAAM,CAAC,cAAc,CAAC,KAAK,CAAC,EAAE;gBAChC,IAAI,KAAK,GAAG,MAAM,CAAC,KAAK,CAAC,CAAC;gBAC1B,IAAI,KAAK,KAAK,SAAS,EAAE;oBACvB,MAAM,CAAC,KAAK,CAAC,GAAG,KAAK,CAAC,KAAK,CAAC,CAAC;iBAC9B;aACF;QACH,CAAC,CAAC,CAAC;IACL,CAAC,CAAC,CAAC;IACH,OAAO,MAAM,CAAC;AAChB,CAAC;AAZD,sBAYC;AAED;;;;;;GAMG;AACH,SAAgB,SAAS,CAAC,MAAW,EAAE,GAAG,OAAc;IACtD,OAAO,CAAC,OAAO,CAAC,CAAC,MAAM,EAAE,EAAE;QACzB,MAAM,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC,OAAO,CAAC,CAAC,KAAK,EAAE,EAAE;YACpC,IAAI,MAAM,CAAC,cAAc,CAAC,KAAK,CAAC,EAAE;gBAChC,IAAI,CAAC,GAAG,MAAM,CAAC,KAAK,CAAC,CAAC;gBACtB,IAAI,CAAC,GAAG,MAAM,CAAC,KAAK,CAAC,CAAC;gBACtB,IACE,QAAQ,CAAC,CAAC,CAAC;oBACX,QAAQ,CAAC,CAAC,CAAC;oBACX,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC;oBACjB,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,EACjB;oBACA,SAAS,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC;iBACjB;qBAAM,IAAI,CAAC,KAAK,SAAS,EAAE;oBAC1B,MAAM,CAAC,KAAK,CAAC,GAAG,KAAK,CAAC,CAAC,CAAC,CAAC;iBAC1B;aACF;QACH,CAAC,CAAC,CAAC;IACL,CAAC,CAAC,CAAC;IACH,OAAO,MAAM,CAAC;AAChB,CAAC;AApBD,8BAoBC;AAED;;;;GAIG;AACH,SAAgB,OAAO,CAAC,GAAQ,EAAE,IAAc;IAC9C,IAAI,KAAK,GAAG,CAAC,CAAC,CAAC;IACf,IAAI,MAAM,GAAG,GAAG,CAAC;IAEjB,OAAO,EAAE,KAAK,GAAG,IAAI,CAAC,MAAM,EAAE;QAC5B,MAAM,GAAG,MAAM,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC,CAAC;QAC7B,IAAI,CAAC,MAAM,EAAE;YACX,OAAO,MAAM,CAAC;SACf;KACF;IAED,OAAO,MAAM,CAAC;AAChB,CAAC;AAZD,0BAYC;AAED;;;;;;;;GAQG;AACH,SAAgB,OAAO,CAAC,GAAQ,EAAE,IAAc,EAAE,KAAU;IAC1D,IAAI,GAAG,GAAG,GAAG,CAAC;IACd,IAAI,IAAI,GAAG,IAAI,CAAC,GAAG,EAAY,CAAC;IAChC,IAAI,OAAO,CAAC;IACZ,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,CAAC,MAAM,EAAE,CAAC,GAAG,CAAC,EAAE,CAAC,EAAE,EAAE;QAC3C,OAAO,GAAG,IAAI,CAAC,CAAC,CAAC,CAAC;QAClB,IAAI,GAAG,CAAC,OAAO,CAAC,KAAK,SAAS,EAAE;YAC9B,GAAG,CAAC,OAAO,CAAC,GAAG,OAAO,OAAO,KAAK,QAAQ,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,EAAE,CAAC;SACtD;QACD,GAAG,GAAG,GAAG,CAAC,OAAO,CAAC,CAAC;KACpB;IACD,IAAI,GAAG,CAAC,IAAI,CAAC,KAAK,KAAK,EAAE;QACvB,OAAO,KAAK,CAAC;KACd;SAAM;QACL,GAAG,CAAC,IAAI,CAAC,GAAG,KAAK,CAAC;QAClB,OAAO,IAAI,CAAC;KACb;AACH,CAAC;AAjBD,0BAiBC;AAED;;;;GAIG;AACH,SAAgB,YAAY,CAAC,GAAQ;IACnC,IAAI,MAAM,CAAC,MAAM,EAAE;QACjB,OAAO,MAAM,CAAC,MAAM,CAAC,GAAG,CAAC,CAAC;KAC3B;SAAM;QACL,OAAO,MAAM,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC;KAC5C;AACH,CAAC;AAND,oCAMC","sourcesContent":["/* eslint-disable @typescript-eslint/explicit-module-boundary-types, valid-jsdoc */\n\n/**\n * Clones a value. If the value is an object, a deeply nested clone will be\n * created.\n *\n * Traverses all object properties (but not prototype properties).\n */\nexport function clone(obj: any): any {\n  if (obj === undefined || obj === null || typeof obj !== 'object') {\n    return obj;\n  }\n\n  let dup: any;\n  let type = Object.prototype.toString.call(obj);\n\n  if (type === '[object Date]') {\n    dup = new Date();\n    dup.setTime(obj.getTime());\n  } else if (type === '[object RegExp]') {\n    dup = obj.constructor(obj);\n  } else if (type === '[object Array]') {\n    dup = [];\n    for (let i = 0, len = obj.length; i < len; i++) {\n      if (obj.hasOwnProperty(i)) {\n        dup.push(clone(obj[i]));\n      }\n    }\n  } else {\n    let val;\n\n    dup = {};\n    for (let key in obj) {\n      if (obj.hasOwnProperty(key)) {\n        val = obj[key];\n        if (typeof val === 'object') {\n          val = clone(val);\n        }\n        dup[key] = val;\n      }\n    }\n  }\n  return dup;\n}\n\n/**\n * Expose properties and methods from one object on another.\n *\n * Methods will be called on `source` and will maintain `source` as the context.\n *\n * @deprecated since v0.17\n */\nexport function expose(destination: any, source: any): void {\n  let properties: string[];\n  if (arguments.length > 2) {\n    properties = Array.prototype.slice.call(arguments, 2);\n  } else {\n    properties = Object.keys(source);\n  }\n\n  properties.forEach((p) => {\n    if (typeof source[p] === 'function') {\n      destination[p] = function () {\n        return source[p].apply(source, arguments);\n      };\n    } else {\n      destination[p] = source[p];\n    }\n  });\n}\n\n/**\n * Extend an object with the properties of one or more other objects.\n *\n * @deprecated since v0.17\n */\nexport function extend(destination: any, ...sources: any[]): any {\n  sources.forEach((source) => {\n    for (let p in source) {\n      if (source.hasOwnProperty(p)) {\n        destination[p] = source[p];\n      }\n    }\n  });\n  return destination;\n}\n\n/**\n * Converts an object to an `Array` if it's not already.\n *\n * @export\n * @param {*} obj\n * @returns {any[]}\n */\nexport function toArray(obj: unknown): any[] {\n  if (isNone(obj)) {\n    return [];\n  } else {\n    return Array.isArray(obj) ? obj : [obj];\n  }\n}\n\n/**\n * Checks whether a value is a non-null object\n *\n * @export\n * @param {*} obj\n * @returns {boolean}\n */\nexport function isObject(obj: unknown): boolean {\n  return obj !== null && typeof obj === 'object';\n}\n\n/**\n * Checks whether an object is null or undefined\n *\n * @export\n * @param {*} obj\n * @returns {boolean}\n */\nexport function isNone(obj: unknown): boolean {\n  return obj === undefined || obj === null;\n}\n\n/**\n * Merges properties from other objects into a base object. Properties that\n * resolve to `undefined` will not overwrite properties on the base object\n * that already exist.\n *\n * @deprecated since v0.17\n */\nexport function merge(object: any, ...sources: any[]): any {\n  sources.forEach((source) => {\n    Object.keys(source).forEach((field) => {\n      if (source.hasOwnProperty(field)) {\n        let value = source[field];\n        if (value !== undefined) {\n          object[field] = clone(value);\n        }\n      }\n    });\n  });\n  return object;\n}\n\n/**\n * Merges properties from other objects into a base object, traversing and\n * merging any objects that are encountered.\n *\n * Properties that resolve to `undefined` will not overwrite properties on the\n * base object that already exist.\n */\nexport function deepMerge(object: any, ...sources: any[]): any {\n  sources.forEach((source) => {\n    Object.keys(source).forEach((field) => {\n      if (source.hasOwnProperty(field)) {\n        let a = object[field];\n        let b = source[field];\n        if (\n          isObject(a) &&\n          isObject(b) &&\n          !Array.isArray(a) &&\n          !Array.isArray(b)\n        ) {\n          deepMerge(a, b);\n        } else if (b !== undefined) {\n          object[field] = clone(b);\n        }\n      }\n    });\n  });\n  return object;\n}\n\n/**\n * Retrieves a value from a nested path on an object.\n *\n * Returns any falsy value encountered while traversing the path.\n */\nexport function deepGet(obj: any, path: string[]): any {\n  let index = -1;\n  let result = obj;\n\n  while (++index < path.length) {\n    result = result[path[index]];\n    if (!result) {\n      return result;\n    }\n  }\n\n  return result;\n}\n\n/**\n * Sets a value on an object at a nested path.\n *\n * This function will create objects along the path if necessary to allow\n * setting a deeply nested value.\n *\n * Returns `false` only if the current value is already strictly equal to the\n * requested `value` argument. Otherwise returns `true`.\n */\nexport function deepSet(obj: any, path: string[], value: any): boolean {\n  let ptr = obj;\n  let prop = path.pop() as string;\n  let segment;\n  for (let i = 0, l = path.length; i < l; i++) {\n    segment = path[i];\n    if (ptr[segment] === undefined) {\n      ptr[segment] = typeof segment === 'number' ? [] : {};\n    }\n    ptr = ptr[segment];\n  }\n  if (ptr[prop] === value) {\n    return false;\n  } else {\n    ptr[prop] = value;\n    return true;\n  }\n}\n\n/**\n * Find an array of values that correspond to the keys of an object.\n *\n * This is a ponyfill for `Object.values`, which is still experimental.\n */\nexport function objectValues(obj: any): any[] {\n  if (Object.values) {\n    return Object.values(obj);\n  } else {\n    return Object.keys(obj).map((k) => obj[k]);\n  }\n}\n"]}