166 lines
5.5 KiB
Plaintext
166 lines
5.5 KiB
Plaintext
"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 () {
|
|
var ownKeys = function(o) {
|
|
ownKeys = Object.getOwnPropertyNames || function (o) {
|
|
var ar = [];
|
|
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
|
|
return ar;
|
|
};
|
|
return ownKeys(o);
|
|
};
|
|
return function (mod) {
|
|
if (mod && mod.__esModule) return mod;
|
|
var result = {};
|
|
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
|
|
__setModuleDefault(result, mod);
|
|
return result;
|
|
};
|
|
})();
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
exports.isPromiseLike = isPromiseLike;
|
|
exports.isPromiseConstructorLike = isPromiseConstructorLike;
|
|
exports.isErrorLike = isErrorLike;
|
|
exports.isReadonlyErrorLike = isReadonlyErrorLike;
|
|
exports.isReadonlyTypeLike = isReadonlyTypeLike;
|
|
exports.isBuiltinTypeAliasLike = isBuiltinTypeAliasLike;
|
|
exports.isBuiltinSymbolLike = isBuiltinSymbolLike;
|
|
exports.isBuiltinSymbolLikeRecurser = isBuiltinSymbolLikeRecurser;
|
|
const tsutils = __importStar(require("ts-api-utils"));
|
|
const ts = __importStar(require("typescript"));
|
|
const isSymbolFromDefaultLibrary_1 = require("./isSymbolFromDefaultLibrary");
|
|
/**
|
|
* @example
|
|
* ```ts
|
|
* class DerivedClass extends Promise<number> {}
|
|
* DerivedClass.reject
|
|
* // ^ PromiseLike
|
|
* ```
|
|
*/
|
|
function isPromiseLike(program, type) {
|
|
return isBuiltinSymbolLike(program, type, 'Promise');
|
|
}
|
|
/**
|
|
* @example
|
|
* ```ts
|
|
* const value = Promise
|
|
* value.reject
|
|
* // ^ PromiseConstructorLike
|
|
* ```
|
|
*/
|
|
function isPromiseConstructorLike(program, type) {
|
|
return isBuiltinSymbolLike(program, type, 'PromiseConstructor');
|
|
}
|
|
/**
|
|
* @example
|
|
* ```ts
|
|
* class Foo extends Error {}
|
|
* new Foo()
|
|
* // ^ ErrorLike
|
|
* ```
|
|
*/
|
|
function isErrorLike(program, type) {
|
|
return isBuiltinSymbolLike(program, type, 'Error');
|
|
}
|
|
/**
|
|
* @example
|
|
* ```ts
|
|
* type T = Readonly<Error>
|
|
* // ^ ReadonlyErrorLike
|
|
* ```
|
|
*/
|
|
function isReadonlyErrorLike(program, type) {
|
|
return isReadonlyTypeLike(program, type, subtype => {
|
|
const [typeArgument] = subtype.aliasTypeArguments;
|
|
return (isErrorLike(program, typeArgument) ||
|
|
isReadonlyErrorLike(program, typeArgument));
|
|
});
|
|
}
|
|
/**
|
|
* @example
|
|
* ```ts
|
|
* type T = Readonly<{ foo: 'bar' }>
|
|
* // ^ ReadonlyTypeLike
|
|
* ```
|
|
*/
|
|
function isReadonlyTypeLike(program, type, predicate) {
|
|
return isBuiltinTypeAliasLike(program, type, subtype => {
|
|
return (subtype.aliasSymbol.getName() === 'Readonly' && !!predicate?.(subtype));
|
|
});
|
|
}
|
|
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;
|
|
});
|
|
}
|
|
function isBuiltinSymbolLike(program, type, symbolName) {
|
|
return isBuiltinSymbolLikeRecurser(program, type, subType => {
|
|
const symbol = subType.getSymbol();
|
|
if (!symbol) {
|
|
return false;
|
|
}
|
|
const actualSymbolName = symbol.getName();
|
|
if ((Array.isArray(symbolName)
|
|
? symbolName.some(name => actualSymbolName === name)
|
|
: actualSymbolName === symbolName) &&
|
|
(0, isSymbolFromDefaultLibrary_1.isSymbolFromDefaultLibrary)(program, symbol)) {
|
|
return true;
|
|
}
|
|
return null;
|
|
});
|
|
}
|
|
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));
|
|
}
|
|
if (tsutils.isTypeParameter(type)) {
|
|
const t = type.getConstraint();
|
|
if (t) {
|
|
return isBuiltinSymbolLikeRecurser(program, t, predicate);
|
|
}
|
|
return false;
|
|
}
|
|
const predicateResult = predicate(type);
|
|
if (typeof predicateResult === 'boolean') {
|
|
return predicateResult;
|
|
}
|
|
const symbol = type.getSymbol();
|
|
if (symbol &&
|
|
tsutils.isSymbolFlagSet(symbol, ts.SymbolFlags.Class | ts.SymbolFlags.Interface)) {
|
|
const checker = program.getTypeChecker();
|
|
const declaredType = checker.getDeclaredTypeOfSymbol(symbol);
|
|
for (const baseType of checker.getBaseTypes(declaredType)) {
|
|
if (isBuiltinSymbolLikeRecurser(program, baseType, predicate)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|