@tldraw/utils/dist-esm/lib/bind.mjs.map

tldraw infinite canvas SDK (private utilities).

{
  "version": 3,
  "sources": ["../../src/lib/bind.ts"],
  "sourcesContent": ["/*!\n * MIT License: https://github.com/NoHomey/bind-decorator/blob/master/License\n * Copyright (c) 2016 Ivo Stratev\n */\n\nimport { assert } from './control'\n\n/**\n * `@bind` is a decorator that binds the method to the instance of the class (legacy stage-2\n * typescript decorators).\n *\n * @public\n */\nexport function bind<T extends (...args: any[]) => any>(\n\ttarget: object,\n\tpropertyKey: string,\n\tdescriptor: TypedPropertyDescriptor<T>\n): TypedPropertyDescriptor<T>\n\n/**\n * `@bind` is a decorator that binds the method to the instance of the class (TC39 decorators).\n *\n * @public\n */\nexport function bind<This extends object, T extends (...args: any[]) => any>(\n\toriginalMethod: T,\n\tcontext: ClassMethodDecoratorContext<This, T>\n): void\n\n/** @public */\nexport function bind(\n\t...args: // legacy stage-2 typescript decorators\n\t| [_target: object, propertyKey: string, descriptor: PropertyDescriptor]\n\t\t// TC39 decorators\n\t\t| [originalMethod: (...args: any[]) => any, context: ClassMemberDecoratorContext]\n): PropertyDescriptor | void {\n\tif (args.length === 2) {\n\t\tconst [originalMethod, context] = args\n\t\tcontext.addInitializer(function initializeMethod(this: any) {\n\t\t\tassert(Reflect.isExtensible(this), 'Cannot bind to a non-extensible class.')\n\t\t\tconst value = originalMethod.bind(this)\n\t\t\tconst ok = Reflect.defineProperty(this, context.name, {\n\t\t\t\tvalue,\n\t\t\t\twritable: true,\n\t\t\t\tconfigurable: true,\n\t\t\t})\n\t\t\tassert(ok, 'Cannot bind a non-configurable class method.')\n\t\t})\n\t} else {\n\t\tconst [_target, propertyKey, descriptor] = args\n\t\tif (!descriptor || typeof descriptor.value !== 'function') {\n\t\t\tthrow new TypeError(\n\t\t\t\t`Only methods can be decorated with @bind. <${propertyKey}> is not a method!`\n\t\t\t)\n\t\t}\n\n\t\treturn {\n\t\t\tconfigurable: true,\n\t\t\tget(this: any): any {\n\t\t\t\tconst bound = descriptor.value!.bind(this)\n\t\t\t\t// Credits to https://github.com/andreypopp/autobind-decorator for memoizing the result of bind against a symbol on the instance.\n\t\t\t\tObject.defineProperty(this, propertyKey, {\n\t\t\t\t\tvalue: bound,\n\t\t\t\t\tconfigurable: true,\n\t\t\t\t\twritable: true,\n\t\t\t\t})\n\t\t\t\treturn bound\n\t\t\t},\n\t\t}\n\t}\n}\n"],
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