@activejs/core
Version:
Pragmatic, Reactive State Management for JavaScript Apps
311 lines • 32.2 kB
JavaScript
/**
* @internal please do not use.
*/
export const NOOP = () => { };
/**
* @internal please do not use.
*/
export const IteratorSymbol = (typeof Symbol === 'function' && Symbol.iterator) ||
/* istanbul ignore next */ '@@iterator';
/**
* @internal please do not use.
*/
export function isValidId(id) {
return typeof id === 'string' && !!id.trim().length;
}
/**
* @internal please do not use.
*/
export function isDict(o) {
return Object.prototype.toString.call(o) === '[object Object]';
}
/**
* @internal please do not use.
*/
export function isObject(o) {
return o != null && typeof o === 'object';
}
/**
* @internal please do not use.
*/
export function isValidKey(key) {
return typeof key === 'string' || typeof key === 'number';
}
/**
* @internal please do not use.
*/
export function isValidIndex(i) {
const a = [];
a[i] = 1;
return !!a.length && a[i] === 1;
}
/**
* @internal please do not use.
*/
export function normalizeIndex(index, arrLength) {
return index < 0 ? (index < -arrLength ? 0 : arrLength + index) : index;
}
/**
* @internal please do not use.
*/
export function sanitizeIndices(indices, arrLength) {
const sanitizedIndices = [];
indices.forEach(index => {
index = normalizeIndex(index, arrLength);
if (index < arrLength && isValidIndex(index)) {
sanitizedIndices.push(index);
}
});
return deDuplicate(sanitizedIndices);
}
/**
* @internal please do not use.
*/
export function isNumber(n) {
return typeof n === 'number' && !isNaN(n);
}
/**
* @internal please do not use.
*/
// tslint:disable-next-line:ban-types
export function isFunction(fn) {
return typeof fn === 'function';
}
/**
* @internal please do not use.
*/
/*export function isNativeFn(fn: any): fn is () => any {
return /{\s*?\[native code]\s*?}/.test('' + fn);
}*/
/**
* Creates a clone of the provided value.\
* All the primitives are returned as is, since they are immutable.\
* Non-primitives that this function can clone are array and object-literal.\
* Other non-primitives are returned as is.
*
* This function is also used internally by ActiveJS.
*
* @param o The value to be cloned.
* @returns A clone of the provided value.
*
* @category Global
*/
export function deepCopy(o) {
if (o == null || typeof o !== 'object') {
return o;
}
if (Array.isArray(o)) {
return o.map(v => deepCopy(v));
}
if (isDict(o)) {
return Object.keys(o).reduce((newO, k) => {
newO[k] = deepCopy(o[k]);
return newO;
}, {});
}
return o;
}
/**
* @internal please do not use.
*/
export function deepFreeze(o) {
if (!isObject(o)) {
return o;
}
if (Array.isArray(o)) {
o.forEach(v => deepFreeze(v));
}
else if (isDict(o)) {
Object.keys(o).forEach(k => deepFreeze(o[k]));
}
try {
return Object.freeze(o);
}
catch (e) {
return o;
}
}
/**
* @internal please do not use.
*/
export function deDuplicate(arr) {
if (typeof Set === 'function') {
return [...new Set(arr)];
}
else {
return arr.filter((x, i) => arr.indexOf(x) === i);
}
}
/**
* @internal please do not use.
*/
export function isSerializable(o) {
if (o == null || typeof o === 'string' || typeof o === 'boolean' || typeof o === 'number') {
return [true];
}
/*if (typeof o === 'number') {
return o === Infinity || o === -Infinity ? [false, o] : [true];
}*/
if (Array.isArray(o)) {
let foundPositive;
o.find(v => {
const testResult = isSerializable(v);
if (testResult[0] === false) {
foundPositive = testResult;
return true;
}
});
return foundPositive || [true];
}
else if (o.constructor === Object) {
let foundPositive;
Object.keys(o).find(k => {
const testResult = isSerializable(o[k]);
if (testResult[0] === false) {
foundPositive = testResult;
return true;
}
});
return foundPositive || [true];
}
return [false, o];
}
/**
* @internal please do not use.
*/
export function findIndex(array, predicate, fromIndex) {
let i = isValidIndex(fromIndex) ? Math.max(0, Math.min(fromIndex, array.length - 1)) : 0;
while (i < array.length) {
if (predicate(array[i], i, array)) {
return i;
}
++i;
}
return -1;
}
/**
* @internal please do not use.
*/
export function findIndexBackwards(array, predicate, fromIndex) {
let i = isValidIndex(fromIndex)
? Math.max(0, Math.min(fromIndex, array.length - 1))
: array.length - 1;
while (i > -1) {
if (predicate(array[i], i, array)) {
return i;
}
--i;
}
return -1;
}
/**
* @internal please do not use.
*/
export function debounce(func, waitTime, callMode) {
if (!isNumber(waitTime)) {
waitTime = 200;
}
if (!['START', 'END', 'BOTH'].includes(callMode)) {
callMode = 'END';
}
let timeout;
return function (...args) {
const context = this;
const later = () => {
timeout = null;
if (callMode !== 'START') {
return func.apply(context, args);
}
};
const callNow = callMode !== 'END' && !timeout;
clearTimeout(timeout);
timeout = setTimeout(later, waitTime);
if (callNow) {
return func.apply(context, args);
}
};
}
/**
* @internal please do not use.
*/
export function makeNonEnumerable(o) {
if (o == null || typeof o !== 'object') {
return;
}
Object.keys(o).forEach(key => {
Object.defineProperty(o, key, {
enumerable: false,
});
});
}
/**
* @internal please do not use.
*/
export function generateAsyncSystemIds(systemId, queryConfig, dataConfig, errorConfig, pendingConfig) {
var _a, _b, _c, _d;
const ids = Object.assign(Object.assign(Object.assign(Object.assign({}, ((queryConfig === null || queryConfig === void 0 ? void 0 : queryConfig.hasOwnProperty('id')) && { queryUnitId: queryConfig.id })), ((dataConfig === null || dataConfig === void 0 ? void 0 : dataConfig.hasOwnProperty('id')) && { dataUnitId: dataConfig.id })), ((errorConfig === null || errorConfig === void 0 ? void 0 : errorConfig.hasOwnProperty('id')) && { errorUnitId: errorConfig.id })), ((pendingConfig === null || pendingConfig === void 0 ? void 0 : pendingConfig.hasOwnProperty('id')) && { pendingUnitId: pendingConfig.id }));
if (isValidId(systemId)) {
ids.queryUnitId = (_a = ids.queryUnitId) !== null && _a !== void 0 ? _a : systemId + '_QUERY';
ids.dataUnitId = (_b = ids.dataUnitId) !== null && _b !== void 0 ? _b : systemId + '_DATA';
ids.errorUnitId = (_c = ids.errorUnitId) !== null && _c !== void 0 ? _c : systemId + '_ERROR';
ids.pendingUnitId = (_d = ids.pendingUnitId) !== null && _d !== void 0 ? _d : systemId + '_PENDING';
}
return ids;
}
/**
* @internal please do not use.
*/
export function plucker(o, path) {
const length = Array.isArray(path) ? path.length : 0;
for (let i = 0; i < length; i++) {
if (o == null) {
return undefined;
}
o = Object.prototype.hasOwnProperty.call(o, path[i]) ? o[path[i]] : undefined;
}
return o;
}
/**
* @internal please do not use.
*/
export function hashCode(str) {
// tslint:disable:no-bitwise
let hash = 0;
const length = typeof str === 'string' ? str.length : 0;
if (length === 0) {
return String(hash);
}
for (let i = 0; i < length; i++) {
hash = (hash << 5) - hash + str.charCodeAt(i);
hash |= 0; // Convert to 32bit integer
}
hash = hash >>> 0;
return Number(hash).toString(32).toUpperCase();
// tslint:enable:no-bitwise
}
/**
* @internal please do not use.
*/
export function stackTrace() {
try {
throw new Error();
}
catch (error) {
return error.stacktrace || error.stack;
}
}
/**
* @internal please do not use.
*/
export function getLocationId(source) {
if (source == null || typeof source !== 'object') {
return '';
}
source = source.constructor.name;
const errorTrace = stackTrace();
const locationMatch = errorTrace.match(new RegExp(
// get two lines beyond ActiveJS scope https://regexr.com/5eb9g
`new ${source}\\b.+\\n(?:[\\s\\S]+new (?:AsyncSystem|Cluster)\\b.+\\n)?((?:.+\\n?){1,2})`));
return hashCode((locationMatch === null || locationMatch === void 0 ? void 0 : locationMatch[1]) || errorTrace);
}
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[false, o] : [true];\n  }*/\n\n  if (Array.isArray(o)) {\n    let foundPositive: [false, any];\n\n    o.find(v => {\n      const testResult = isSerializable(v);\n      if (testResult[0] === false) {\n        foundPositive = testResult;\n        return true;\n      }\n    });\n\n    return foundPositive || [true];\n  } else if (o.constructor === Object) {\n    let foundPositive: [false, any];\n\n    Object.keys(o).find(k => {\n      const testResult = isSerializable(o[k]);\n      if (testResult[0] === false) {\n        foundPositive = testResult;\n        return true;\n      }\n    });\n\n    return foundPositive || [true];\n  }\n\n  return [false, o];\n}\n\n/**\n * @internal please do not use.\n */\nexport function findIndex<T>(\n  array: Array<T>,\n  predicate: (value: T, index: number, obj: T[]) => boolean,\n  fromIndex?: number\n): number {\n  let i = isValidIndex(fromIndex) ? Math.max(0, Math.min(fromIndex, array.length - 1)) : 0;\n  while (i < array.length) {\n    if (predicate(array[i], i, array)) {\n      return i;\n    }\n    ++i;\n  }\n  return -1;\n}\n\n/**\n * @internal please do not use.\n */\nexport function findIndexBackwards<T>(\n  array: Array<T>,\n  predicate: (value: T, index: number, obj: T[]) => boolean,\n  fromIndex?: number\n): number {\n  let i = isValidIndex(fromIndex)\n    ? Math.max(0, Math.min(fromIndex, array.length - 1))\n    : array.length - 1;\n  while (i > -1) {\n    if (predicate(array[i], i, array)) {\n      return i;\n    }\n    --i;\n  }\n  return -1;\n}\n\n/**\n * @internal please do not use.\n */\nexport function debounce(\n  func: (...args) => any,\n  waitTime?,\n  callMode?: 'START' | 'END' | 'BOTH'\n): any {\n  if (!isNumber(waitTime)) {\n    waitTime = 200;\n  }\n  if (!['START', 'END', 'BOTH'].includes(callMode)) {\n    callMode = 'END';\n  }\n  let timeout;\n\n  return function (...args) {\n    const context = this;\n\n    const later = () => {\n      timeout = null;\n      if (callMode !== 'START') {\n        return func.apply(context, args);\n      }\n    };\n\n    const callNow = callMode !== 'END' && !timeout;\n\n    clearTimeout(timeout);\n    timeout = setTimeout(later, waitTime);\n\n    if (callNow) {\n      return func.apply(context, args);\n    }\n  };\n}\n\n/**\n * @internal please do not use.\n */\nexport function makeNonEnumerable<T extends object>(o: T): void {\n  if (o == null || typeof o !== 'object') {\n    return;\n  }\n  Object.keys(o).forEach(key => {\n    Object.defineProperty(o, key, {\n      enumerable: false,\n    });\n  });\n}\n\n/**\n * @internal please do not use.\n */\nexport function generateAsyncSystemIds(\n  systemId: string,\n  queryConfig: UnitConfig<any>,\n  dataConfig: UnitConfig<any>,\n  errorConfig: UnitConfig<any>,\n  pendingConfig: UnitConfig<boolean>\n) {\n  const ids = {\n    ...(queryConfig?.hasOwnProperty('id') && {queryUnitId: queryConfig.id}),\n    ...(dataConfig?.hasOwnProperty('id') && {dataUnitId: dataConfig.id}),\n    ...(errorConfig?.hasOwnProperty('id') && {errorUnitId: errorConfig.id}),\n    ...(pendingConfig?.hasOwnProperty('id') && {pendingUnitId: pendingConfig.id}),\n  };\n  if (isValidId(systemId)) {\n    ids.queryUnitId = ids.queryUnitId ?? systemId + '_QUERY';\n    ids.dataUnitId = ids.dataUnitId ?? systemId + '_DATA';\n    ids.errorUnitId = ids.errorUnitId ?? systemId + '_ERROR';\n    ids.pendingUnitId = ids.pendingUnitId ?? systemId + '_PENDING';\n  }\n  return ids;\n}\n\n/**\n * @internal please do not use.\n */\nexport function plucker<T>(o: T, path: (string | number)[]): any {\n  const length = Array.isArray(path) ? path.length : 0;\n  for (let i = 0; i < length; i++) {\n    if (o == null) {\n      return undefined;\n    }\n    o = Object.prototype.hasOwnProperty.call(o, path[i]) ? o[path[i]] : undefined;\n  }\n  return o;\n}\n\n/**\n * @internal please do not use.\n */\nexport function hashCode(str: string): string {\n  // tslint:disable:no-bitwise\n  let hash = 0;\n  const length = typeof str === 'string' ? str.length : 0;\n  if (length === 0) {\n    return String(hash);\n  }\n  for (let i = 0; i < length; i++) {\n    hash = (hash << 5) - hash + str.charCodeAt(i);\n    hash |= 0; // Convert to 32bit integer\n  }\n  hash = hash >>> 0;\n  return Number(hash).toString(32).toUpperCase();\n  // tslint:enable:no-bitwise\n}\n\n/**\n * @internal please do not use.\n */\nexport function stackTrace(): string {\n  try {\n    throw new Error();\n  } catch (error) {\n    return error.stacktrace || error.stack;\n  }\n}\n\n/**\n * @internal please do not use.\n */\nexport function getLocationId(source: any): string {\n  if (source == null || typeof source !== 'object') {\n    return '';\n  }\n  source = source.constructor.name;\n  const errorTrace = stackTrace();\n  const locationMatch = errorTrace.match(\n    new RegExp(\n      // get two lines beyond ActiveJS scope https://regexr.com/5eb9g\n      `new ${source}\\\\b.+\\\\n(?:[\\\\s\\\\S]+new (?:AsyncSystem|Cluster)\\\\b.+\\\\n)?((?:.+\\\\n?){1,2})`\n    )\n  );\n  return hashCode(locationMatch?.[1] || errorTrace);\n}\n"]}