"use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; var desc = Object.getOwnPropertyDescriptor(m, k); if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { desc = { enumerable: true, get: function() { return m[k]; } }; } Object.defineProperty(o, k2, desc); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; })); var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) { Object.defineProperty(o, "default", { enumerable: true, value: v }); }) : function(o, v) { o["default"] = v; }); var __importStar = (this && this.__importStar) || function (mod) { if (mod && mod.__esModule) return mod; var result = {}; if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k); __setModuleDefault(result, mod); return result; }; Object.defineProperty(exports, "__esModule", { value: true }); exports.isBuiltinSymbolLikeRecurser = exports.isBuiltinSymbolLike = exports.isBuiltinTypeAliasLike = exports.isReadonlyTypeLike = exports.isReadonlyErrorLike = exports.isErrorLike = exports.isPromiseConstructorLike = exports.isPromiseLike = void 0; const ts = __importStar(require("typescript")); const isSymbolFromDefaultLibrary_1 = require("./isSymbolFromDefaultLibrary"); /** * class Foo extends Promise {} * Foo.reject * ^ PromiseLike */ function isPromiseLike(program, type) { return isBuiltinSymbolLike(program, type, 'Promise'); } exports.isPromiseLike = isPromiseLike; /** * const foo = Promise * foo.reject * ^ PromiseConstructorLike */ function isPromiseConstructorLike(program, type) { return isBuiltinSymbolLike(program, type, 'PromiseConstructor'); } exports.isPromiseConstructorLike = isPromiseConstructorLike; /** * class Foo extends Error {} * new Foo() * ^ ErrorLike */ function isErrorLike(program, type) { return isBuiltinSymbolLike(program, type, 'Error'); } exports.isErrorLike = isErrorLike; /** * type T = Readonly * ^ ReadonlyErrorLike */ function isReadonlyErrorLike(program, type) { return isReadonlyTypeLike(program, type, subtype => { const [typeArgument] = subtype.aliasTypeArguments; return (isErrorLike(program, typeArgument) || isReadonlyErrorLike(program, typeArgument)); }); } exports.isReadonlyErrorLike = isReadonlyErrorLike; /** * type T = Readonly<{ foo: 'bar' }> * ^ ReadonlyTypeLike */ function isReadonlyTypeLike(program, type, predicate) { return isBuiltinTypeAliasLike(program, type, subtype => { return (subtype.aliasSymbol.getName() === 'Readonly' && !!predicate?.(subtype)); }); } exports.isReadonlyTypeLike = isReadonlyTypeLike; function isBuiltinTypeAliasLike(program, type, predicate) { return isBuiltinSymbolLikeRecurser(program, type, subtype => { const { aliasSymbol, aliasTypeArguments } = subtype; if (!aliasSymbol || !aliasTypeArguments) { return false; } if ((0, isSymbolFromDefaultLibrary_1.isSymbolFromDefaultLibrary)(program, aliasSymbol) && predicate(subtype)) { return true; } return null; }); } exports.isBuiltinTypeAliasLike = isBuiltinTypeAliasLike; function isBuiltinSymbolLike(program, type, symbolName) { return isBuiltinSymbolLikeRecurser(program, type, subType => { const symbol = subType.getSymbol(); if (!symbol) { return false; } if (symbol.getName() === symbolName && (0, isSymbolFromDefaultLibrary_1.isSymbolFromDefaultLibrary)(program, symbol)) { return true; } return null; }); } exports.isBuiltinSymbolLike = isBuiltinSymbolLike; function isBuiltinSymbolLikeRecurser(program, type, predicate) { if (type.isIntersection()) { return type.types.some(t => isBuiltinSymbolLikeRecurser(program, t, predicate)); } if (type.isUnion()) { return type.types.every(t => isBuiltinSymbolLikeRecurser(program, t, predicate)); } const predicateResult = predicate(type); if (typeof predicateResult === 'boolean') { return predicateResult; } const symbol = type.getSymbol(); if (symbol && symbol.flags & (ts.SymbolFlags.Class | ts.SymbolFlags.Interface)) { const checker = program.getTypeChecker(); for (const baseType of checker.getBaseTypes(type)) { if (isBuiltinSymbolLikeRecurser(program, baseType, predicate)) { return true; } } } return false; } exports.isBuiltinSymbolLikeRecurser = isBuiltinSymbolLikeRecurser; //# sourceMappingURL=builtinSymbolLikes.js.map