mirror of
https://github.com/Sevichecc/Urara-Blog.git
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181 lines
No EOL
6.9 KiB
Text
181 lines
No EOL
6.9 KiB
Text
"use strict";
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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var desc = Object.getOwnPropertyDescriptor(m, k);
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if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
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desc = { enumerable: true, get: function() { return m[k]; } };
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}
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Object.defineProperty(o, k2, desc);
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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Object.defineProperty(o, "default", { enumerable: true, value: v });
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}) : function(o, v) {
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o["default"] = v;
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});
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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__setModuleDefault(result, mod);
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return result;
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};
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.isTypeTemplateLiteralType = exports.isTypeBigIntLiteralType = exports.typeIsOrHasBaseType = exports.isAnyOrAnyArrayTypeDiscriminated = exports.AnyType = exports.isTypeUnknownArrayType = exports.isTypeAnyArrayType = exports.isTypeAnyType = exports.isTypeReferenceType = exports.isTypeUnknownType = exports.isTypeNeverType = exports.isTypeArrayTypeOrUnionOfArrayTypes = exports.isNullableType = void 0;
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const debug_1 = __importDefault(require("debug"));
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const tsutils_1 = require("tsutils");
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const ts = __importStar(require("typescript"));
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const getTypeArguments_1 = require("./getTypeArguments");
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const typeFlagUtils_1 = require("./typeFlagUtils");
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const log = (0, debug_1.default)('typescript-eslint:eslint-plugin:utils:types');
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/**
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* Checks if the given type is (or accepts) nullable
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* @param isReceiver true if the type is a receiving type (i.e. the type of a called function's parameter)
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*/
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function isNullableType(type, { isReceiver = false, allowUndefined = true, } = {}) {
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const flags = (0, typeFlagUtils_1.getTypeFlags)(type);
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if (isReceiver && flags & (ts.TypeFlags.Any | ts.TypeFlags.Unknown)) {
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return true;
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}
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if (allowUndefined) {
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return (flags & (ts.TypeFlags.Null | ts.TypeFlags.Undefined)) !== 0;
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}
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else {
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return (flags & ts.TypeFlags.Null) !== 0;
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}
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}
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exports.isNullableType = isNullableType;
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/**
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* Checks if the given type is either an array type,
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* or a union made up solely of array types.
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*/
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function isTypeArrayTypeOrUnionOfArrayTypes(type, checker) {
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for (const t of (0, tsutils_1.unionTypeParts)(type)) {
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if (!checker.isArrayType(t)) {
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return false;
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}
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}
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return true;
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}
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exports.isTypeArrayTypeOrUnionOfArrayTypes = isTypeArrayTypeOrUnionOfArrayTypes;
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/**
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* @returns true if the type is `never`
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*/
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function isTypeNeverType(type) {
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return (0, typeFlagUtils_1.isTypeFlagSet)(type, ts.TypeFlags.Never);
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}
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exports.isTypeNeverType = isTypeNeverType;
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/**
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* @returns true if the type is `unknown`
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*/
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function isTypeUnknownType(type) {
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return (0, typeFlagUtils_1.isTypeFlagSet)(type, ts.TypeFlags.Unknown);
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}
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exports.isTypeUnknownType = isTypeUnknownType;
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// https://github.com/microsoft/TypeScript/blob/42aa18bf442c4df147e30deaf27261a41cbdc617/src/compiler/types.ts#L5157
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const Nullable = ts.TypeFlags.Undefined | ts.TypeFlags.Null;
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// https://github.com/microsoft/TypeScript/blob/42aa18bf442c4df147e30deaf27261a41cbdc617/src/compiler/types.ts#L5187
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const ObjectFlagsType = ts.TypeFlags.Any |
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Nullable |
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ts.TypeFlags.Never |
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ts.TypeFlags.Object |
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ts.TypeFlags.Union |
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ts.TypeFlags.Intersection;
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function isTypeReferenceType(type) {
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if ((type.flags & ObjectFlagsType) === 0) {
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return false;
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}
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const objectTypeFlags = type.objectFlags;
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return (objectTypeFlags & ts.ObjectFlags.Reference) !== 0;
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}
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exports.isTypeReferenceType = isTypeReferenceType;
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/**
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* @returns true if the type is `any`
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*/
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function isTypeAnyType(type) {
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if ((0, typeFlagUtils_1.isTypeFlagSet)(type, ts.TypeFlags.Any)) {
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if (type.intrinsicName === 'error') {
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log('Found an "error" any type');
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}
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return true;
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}
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return false;
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}
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exports.isTypeAnyType = isTypeAnyType;
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/**
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* @returns true if the type is `any[]`
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*/
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function isTypeAnyArrayType(type, checker) {
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return (checker.isArrayType(type) &&
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isTypeAnyType(
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// getTypeArguments was only added in TS3.7
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(0, getTypeArguments_1.getTypeArguments)(type, checker)[0]));
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}
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exports.isTypeAnyArrayType = isTypeAnyArrayType;
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/**
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* @returns true if the type is `unknown[]`
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*/
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function isTypeUnknownArrayType(type, checker) {
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return (checker.isArrayType(type) &&
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isTypeUnknownType(
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// getTypeArguments was only added in TS3.7
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(0, getTypeArguments_1.getTypeArguments)(type, checker)[0]));
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}
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exports.isTypeUnknownArrayType = isTypeUnknownArrayType;
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var AnyType;
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(function (AnyType) {
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AnyType[AnyType["Any"] = 0] = "Any";
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AnyType[AnyType["AnyArray"] = 1] = "AnyArray";
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AnyType[AnyType["Safe"] = 2] = "Safe";
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})(AnyType = exports.AnyType || (exports.AnyType = {}));
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/**
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* @returns `AnyType.Any` if the type is `any`, `AnyType.AnyArray` if the type is `any[]` or `readonly any[]`,
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* otherwise it returns `AnyType.Safe`.
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*/
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function isAnyOrAnyArrayTypeDiscriminated(node, checker) {
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const type = checker.getTypeAtLocation(node);
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if (isTypeAnyType(type)) {
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return AnyType.Any;
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}
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if (isTypeAnyArrayType(type, checker)) {
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return AnyType.AnyArray;
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}
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return AnyType.Safe;
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}
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exports.isAnyOrAnyArrayTypeDiscriminated = isAnyOrAnyArrayTypeDiscriminated;
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/**
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* @returns Whether a type is an instance of the parent type, including for the parent's base types.
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*/
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function typeIsOrHasBaseType(type, parentType) {
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const parentSymbol = parentType.getSymbol();
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if (!type.getSymbol() || !parentSymbol) {
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return false;
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}
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const typeAndBaseTypes = [type];
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const ancestorTypes = type.getBaseTypes();
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if (ancestorTypes) {
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typeAndBaseTypes.push(...ancestorTypes);
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}
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for (const baseType of typeAndBaseTypes) {
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const baseSymbol = baseType.getSymbol();
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if (baseSymbol && baseSymbol.name === parentSymbol.name) {
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return true;
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}
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}
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return false;
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}
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exports.typeIsOrHasBaseType = typeIsOrHasBaseType;
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function isTypeBigIntLiteralType(type) {
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return (0, typeFlagUtils_1.isTypeFlagSet)(type, ts.TypeFlags.BigIntLiteral);
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}
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exports.isTypeBigIntLiteralType = isTypeBigIntLiteralType;
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function isTypeTemplateLiteralType(type) {
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return (0, typeFlagUtils_1.isTypeFlagSet)(type, ts.TypeFlags.TemplateLiteral);
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}
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exports.isTypeTemplateLiteralType = isTypeTemplateLiteralType;
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//# sourceMappingURL=predicates.js.map |