mirror of
https://github.com/Sevichecc/Urara-Blog.git
synced 2025-05-03 01:59:31 +08:00
266 lines
No EOL
11 KiB
Text
266 lines
No EOL
11 KiB
Text
"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 });
|
|
const utils_1 = require("@typescript-eslint/utils");
|
|
const util = __importStar(require("../util"));
|
|
const enumValues = [
|
|
'always',
|
|
'never',
|
|
'in-unions',
|
|
'in-intersections',
|
|
'in-unions-and-intersections',
|
|
];
|
|
exports.default = util.createRule({
|
|
name: 'no-type-alias',
|
|
meta: {
|
|
type: 'suggestion',
|
|
docs: {
|
|
description: 'Disallow type aliases',
|
|
// too opinionated to be recommended
|
|
recommended: false,
|
|
},
|
|
messages: {
|
|
noTypeAlias: 'Type {{alias}} are not allowed.',
|
|
noCompositionAlias: '{{typeName}} in {{compositionType}} types are not allowed.',
|
|
},
|
|
schema: [
|
|
{
|
|
type: 'object',
|
|
properties: {
|
|
allowAliases: {
|
|
enum: enumValues,
|
|
},
|
|
allowCallbacks: {
|
|
enum: ['always', 'never'],
|
|
},
|
|
allowConditionalTypes: {
|
|
enum: ['always', 'never'],
|
|
},
|
|
allowConstructors: {
|
|
enum: ['always', 'never'],
|
|
},
|
|
allowLiterals: {
|
|
enum: enumValues,
|
|
},
|
|
allowMappedTypes: {
|
|
enum: enumValues,
|
|
},
|
|
allowTupleTypes: {
|
|
enum: enumValues,
|
|
},
|
|
allowGenerics: {
|
|
enum: ['always', 'never'],
|
|
},
|
|
},
|
|
additionalProperties: false,
|
|
},
|
|
],
|
|
},
|
|
defaultOptions: [
|
|
{
|
|
allowAliases: 'never',
|
|
allowCallbacks: 'never',
|
|
allowConditionalTypes: 'never',
|
|
allowConstructors: 'never',
|
|
allowLiterals: 'never',
|
|
allowMappedTypes: 'never',
|
|
allowTupleTypes: 'never',
|
|
allowGenerics: 'never',
|
|
},
|
|
],
|
|
create(context, [{ allowAliases, allowCallbacks, allowConditionalTypes, allowConstructors, allowLiterals, allowMappedTypes, allowTupleTypes, allowGenerics, },]) {
|
|
const unions = ['always', 'in-unions', 'in-unions-and-intersections'];
|
|
const intersections = [
|
|
'always',
|
|
'in-intersections',
|
|
'in-unions-and-intersections',
|
|
];
|
|
const compositions = [
|
|
'in-unions',
|
|
'in-intersections',
|
|
'in-unions-and-intersections',
|
|
];
|
|
const aliasTypes = new Set([
|
|
utils_1.AST_NODE_TYPES.TSArrayType,
|
|
utils_1.AST_NODE_TYPES.TSImportType,
|
|
utils_1.AST_NODE_TYPES.TSTypeReference,
|
|
utils_1.AST_NODE_TYPES.TSLiteralType,
|
|
utils_1.AST_NODE_TYPES.TSTypeQuery,
|
|
utils_1.AST_NODE_TYPES.TSIndexedAccessType,
|
|
utils_1.AST_NODE_TYPES.TSTemplateLiteralType,
|
|
]);
|
|
/**
|
|
* Determines if the composition type is supported by the allowed flags.
|
|
* @param isTopLevel a flag indicating this is the top level node.
|
|
* @param compositionType the composition type (either TSUnionType or TSIntersectionType)
|
|
* @param allowed the currently allowed flags.
|
|
*/
|
|
function isSupportedComposition(isTopLevel, compositionType, allowed) {
|
|
return (!compositions.includes(allowed) ||
|
|
(!isTopLevel &&
|
|
((compositionType === utils_1.AST_NODE_TYPES.TSUnionType &&
|
|
unions.includes(allowed)) ||
|
|
(compositionType === utils_1.AST_NODE_TYPES.TSIntersectionType &&
|
|
intersections.includes(allowed)))));
|
|
}
|
|
/**
|
|
* Gets the message to be displayed based on the node type and whether the node is a top level declaration.
|
|
* @param node the location
|
|
* @param compositionType the type of composition this alias is part of (undefined if not
|
|
* part of a composition)
|
|
* @param isRoot a flag indicating we are dealing with the top level declaration.
|
|
* @param type the kind of type alias being validated.
|
|
*/
|
|
function reportError(node, compositionType, isRoot, type) {
|
|
if (isRoot) {
|
|
return context.report({
|
|
node,
|
|
messageId: 'noTypeAlias',
|
|
data: {
|
|
alias: type.toLowerCase(),
|
|
},
|
|
});
|
|
}
|
|
return context.report({
|
|
node,
|
|
messageId: 'noCompositionAlias',
|
|
data: {
|
|
compositionType: compositionType === utils_1.AST_NODE_TYPES.TSUnionType
|
|
? 'union'
|
|
: 'intersection',
|
|
typeName: type,
|
|
},
|
|
});
|
|
}
|
|
const isValidTupleType = (type) => {
|
|
if (type.node.type === utils_1.AST_NODE_TYPES.TSTupleType) {
|
|
return true;
|
|
}
|
|
if (type.node.type === utils_1.AST_NODE_TYPES.TSTypeOperator) {
|
|
if (['keyof', 'readonly'].includes(type.node.operator) &&
|
|
type.node.typeAnnotation &&
|
|
type.node.typeAnnotation.type === utils_1.AST_NODE_TYPES.TSTupleType) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
};
|
|
const isValidGeneric = (type) => {
|
|
return (type.node.type === utils_1.AST_NODE_TYPES.TSTypeReference &&
|
|
type.node.typeParameters !== undefined);
|
|
};
|
|
const checkAndReport = (optionValue, isTopLevel, type, label) => {
|
|
if (optionValue === 'never' ||
|
|
!isSupportedComposition(isTopLevel, type.compositionType, optionValue)) {
|
|
reportError(type.node, type.compositionType, isTopLevel, label);
|
|
}
|
|
};
|
|
/**
|
|
* Validates the node looking for aliases, callbacks and literals.
|
|
* @param type the type of composition this alias is part of (null if not
|
|
* part of a composition)
|
|
* @param isTopLevel a flag indicating this is the top level node.
|
|
*/
|
|
function validateTypeAliases(type, isTopLevel = false) {
|
|
if (type.node.type === utils_1.AST_NODE_TYPES.TSFunctionType) {
|
|
// callback
|
|
if (allowCallbacks === 'never') {
|
|
reportError(type.node, type.compositionType, isTopLevel, 'Callbacks');
|
|
}
|
|
}
|
|
else if (type.node.type === utils_1.AST_NODE_TYPES.TSConditionalType) {
|
|
// conditional type
|
|
if (allowConditionalTypes === 'never') {
|
|
reportError(type.node, type.compositionType, isTopLevel, 'Conditional types');
|
|
}
|
|
}
|
|
else if (type.node.type === utils_1.AST_NODE_TYPES.TSConstructorType) {
|
|
if (allowConstructors === 'never') {
|
|
reportError(type.node, type.compositionType, isTopLevel, 'Constructors');
|
|
}
|
|
}
|
|
else if (type.node.type === utils_1.AST_NODE_TYPES.TSTypeLiteral) {
|
|
// literal object type
|
|
checkAndReport(allowLiterals, isTopLevel, type, 'Literals');
|
|
}
|
|
else if (type.node.type === utils_1.AST_NODE_TYPES.TSMappedType) {
|
|
// mapped type
|
|
checkAndReport(allowMappedTypes, isTopLevel, type, 'Mapped types');
|
|
}
|
|
else if (isValidTupleType(type)) {
|
|
// tuple types
|
|
checkAndReport(allowTupleTypes, isTopLevel, type, 'Tuple Types');
|
|
}
|
|
else if (isValidGeneric(type)) {
|
|
if (allowGenerics === 'never') {
|
|
reportError(type.node, type.compositionType, isTopLevel, 'Generics');
|
|
}
|
|
}
|
|
else if (type.node.type.endsWith(utils_1.AST_TOKEN_TYPES.Keyword) ||
|
|
aliasTypes.has(type.node.type) ||
|
|
(type.node.type === utils_1.AST_NODE_TYPES.TSTypeOperator &&
|
|
(type.node.operator === 'keyof' ||
|
|
(type.node.operator === 'readonly' &&
|
|
type.node.typeAnnotation &&
|
|
aliasTypes.has(type.node.typeAnnotation.type))))) {
|
|
// alias / keyword
|
|
checkAndReport(allowAliases, isTopLevel, type, 'Aliases');
|
|
}
|
|
else {
|
|
// unhandled type - shouldn't happen
|
|
reportError(type.node, type.compositionType, isTopLevel, 'Unhandled');
|
|
}
|
|
}
|
|
/**
|
|
* Flatten the given type into an array of its dependencies
|
|
*/
|
|
function getTypes(node, compositionType = null) {
|
|
if (node.type === utils_1.AST_NODE_TYPES.TSUnionType ||
|
|
node.type === utils_1.AST_NODE_TYPES.TSIntersectionType) {
|
|
return node.types.reduce((acc, type) => {
|
|
acc.push(...getTypes(type, node.type));
|
|
return acc;
|
|
}, []);
|
|
}
|
|
return [{ node, compositionType }];
|
|
}
|
|
return {
|
|
TSTypeAliasDeclaration(node) {
|
|
const types = getTypes(node.typeAnnotation);
|
|
if (types.length === 1) {
|
|
// is a top level type annotation
|
|
validateTypeAliases(types[0], true);
|
|
}
|
|
else {
|
|
// is a composition type
|
|
types.forEach(type => {
|
|
validateTypeAliases(type);
|
|
});
|
|
}
|
|
},
|
|
};
|
|
},
|
|
});
|
|
//# sourceMappingURL=no-type-alias.js.map |