mirror of
https://github.com/google/blockly.git
synced 2026-01-09 10:00:09 +01:00
037eb59b89
* chore: add linting for tsdoc * chore: don't require types on return * chore: remove redundant fileoverview from ts * chore: change return to returns and add some newlines * chore: remove license tag * chore: don't require params/return docs * chore: remove spurious struct tags * Revert "chore: change return to returns and add some newlines" This reverts commitd6d8656a45. * chore: don't auto-add param names * chore: disable require-param bc it breaks on this * return to returns and add line breaks * chore: configure additional jsdoc rules * chore: run format * Revert "chore: remove license tag" This reverts commit173455588a. * chore: allow license tag format * chore: only require jsdoc on exported items * chore: add missing jsdoc or silence where needed * chore: run format * chore: lint fixes
97 lines
2.8 KiB
TypeScript
97 lines
2.8 KiB
TypeScript
/**
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* @license
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* Copyright 2019 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* Utility methods for objects.
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*
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* @namespace Blockly.utils.object
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*/
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import * as goog from '../../closure/goog/goog.js';
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goog.declareModuleId('Blockly.utils.object');
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import * as deprecation from './deprecation.js';
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/**
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* Inherit the prototype methods from one constructor into another.
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*
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* @param childCtor Child class.
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* @param parentCtor Parent class.
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* @suppress {strictMissingProperties} superClass_ is not defined on Function.
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* @alias Blockly.utils.object.inherits
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*/
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export function inherits(childCtor: Function, parentCtor: Function) {
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// Set a .superClass_ property so that methods can call parent methods
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// without hard-coding the parent class name.
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// Could be replaced by ES6's super().
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// AnyDuringMigration because: Property 'superClass_' does not exist on type
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// 'Function'.
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(childCtor as AnyDuringMigration).superClass_ = parentCtor.prototype;
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// Link the child class to the parent class so that static methods inherit.
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Object.setPrototypeOf(childCtor, parentCtor);
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// Replace the child constructor's prototype object with an instance
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// of the parent class.
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childCtor.prototype = Object.create(parentCtor.prototype);
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childCtor.prototype.constructor = childCtor;
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}
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// Alternatively, one could use this instead:
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// Object.setPrototypeOf(childCtor.prototype, parentCtor.prototype);
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/**
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* Copies all the members of a source object to a target object.
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*
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* @param target Target.
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* @param source Source.
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* @alias Blockly.utils.object.mixin
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*/
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export function mixin(target: AnyDuringMigration, source: AnyDuringMigration) {
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deprecation.warn(
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'Blockly.utils.object.mixin', 'May 2022', 'May 2023', 'Object.assign');
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for (const x in source) {
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target[x] = source[x];
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}
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}
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/**
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* Complete a deep merge of all members of a source object with a target object.
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*
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* @param target Target.
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* @param source Source.
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* @returns The resulting object.
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* @alias Blockly.utils.object.deepMerge
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*/
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export function deepMerge(
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target: AnyDuringMigration,
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source: AnyDuringMigration): AnyDuringMigration {
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for (const x in source) {
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if (source[x] !== null && typeof source[x] === 'object') {
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target[x] = deepMerge(target[x] || Object.create(null), source[x]);
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} else {
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target[x] = source[x];
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}
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}
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return target;
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}
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/**
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* Returns an array of a given object's own enumerable property values.
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*
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* @param obj Object containing values.
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* @returns Array of values.
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* @alias Blockly.utils.object.values
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*/
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export function values(obj: AnyDuringMigration): AnyDuringMigration[] {
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if (Object.values) {
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return Object.values(obj);
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}
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// Fallback for IE.
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return Object.keys(obj).map(function(e) {
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return obj[e];
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});
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}
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