mirror of
https://github.com/Sevichecc/Urara-Blog.git
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171 lines
No EOL
6.5 KiB
Text
171 lines
No EOL
6.5 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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Object.defineProperty(exports, "__esModule", { value: true });
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const ts = __importStar(require("typescript"));
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const util = __importStar(require("../util"));
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exports.default = util.createRule({
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name: 'restrict-plus-operands',
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meta: {
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type: 'problem',
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docs: {
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description: 'Require both operands of addition to have type `number` or `string`',
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recommended: 'error',
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requiresTypeChecking: true,
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},
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messages: {
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notNumbers: "Operands of '+' operation must either be both strings or both numbers.",
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notStrings: "Operands of '+' operation must either be both strings or both numbers. Consider using a template literal.",
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notBigInts: "Operands of '+' operation must be both bigints.",
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notValidAnys: "Operands of '+' operation with any is possible only with string, number, bigint or any",
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notValidTypes: "Operands of '+' operation must either be one of string, number, bigint or any (if allowed by option)",
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},
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schema: [
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{
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type: 'object',
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additionalProperties: false,
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properties: {
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checkCompoundAssignments: {
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type: 'boolean',
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},
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allowAny: {
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type: 'boolean',
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},
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},
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},
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],
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},
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defaultOptions: [
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{
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checkCompoundAssignments: false,
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allowAny: false,
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},
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],
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create(context, [{ checkCompoundAssignments, allowAny }]) {
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const service = util.getParserServices(context);
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const typeChecker = service.program.getTypeChecker();
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/**
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* Helper function to get base type of node
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*/
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function getBaseTypeOfLiteralType(type) {
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if (type.isNumberLiteral()) {
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return 'number';
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}
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if (type.isStringLiteral() ||
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util.isTypeFlagSet(type, ts.TypeFlags.TemplateLiteral)) {
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return 'string';
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}
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// is BigIntLiteral
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if (type.flags & ts.TypeFlags.BigIntLiteral) {
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return 'bigint';
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}
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if (type.isUnion()) {
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const types = type.types.map(getBaseTypeOfLiteralType);
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return types.every(value => value === types[0]) ? types[0] : 'invalid';
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}
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if (type.isIntersection()) {
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const types = type.types.map(getBaseTypeOfLiteralType);
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if (types.some(value => value === 'string')) {
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return 'string';
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}
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if (types.some(value => value === 'number')) {
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return 'number';
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}
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if (types.some(value => value === 'bigint')) {
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return 'bigint';
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}
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return 'invalid';
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}
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const stringType = typeChecker.typeToString(type);
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if (stringType === 'number' ||
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stringType === 'string' ||
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stringType === 'bigint' ||
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stringType === 'any') {
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return stringType;
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}
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return 'invalid';
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}
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/**
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* Helper function to get base type of node
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* @param node the node to be evaluated.
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*/
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function getNodeType(node) {
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const tsNode = service.esTreeNodeToTSNodeMap.get(node);
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const type = util.getConstrainedTypeAtLocation(typeChecker, tsNode);
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return getBaseTypeOfLiteralType(type);
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}
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function checkPlusOperands(node) {
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const leftType = getNodeType(node.left);
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const rightType = getNodeType(node.right);
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if (leftType === rightType) {
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if (leftType === 'invalid') {
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context.report({
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node,
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messageId: 'notValidTypes',
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});
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}
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if (!allowAny && leftType === 'any') {
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context.report({
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node,
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messageId: 'notValidAnys',
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});
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}
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return;
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}
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if (leftType === 'any' || rightType === 'any') {
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if (!allowAny || leftType === 'invalid' || rightType === 'invalid') {
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context.report({
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node,
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messageId: 'notValidAnys',
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});
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}
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return;
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}
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if (leftType === 'string' || rightType === 'string') {
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return context.report({
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node,
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messageId: 'notStrings',
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});
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}
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if (leftType === 'bigint' || rightType === 'bigint') {
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return context.report({
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node,
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messageId: 'notBigInts',
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});
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}
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if (leftType === 'number' || rightType === 'number') {
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return context.report({
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node,
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messageId: 'notNumbers',
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});
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}
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}
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return Object.assign({ "BinaryExpression[operator='+']": checkPlusOperands }, (checkCompoundAssignments && {
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"AssignmentExpression[operator='+=']"(node) {
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checkPlusOperands(node);
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},
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}));
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},
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});
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//# sourceMappingURL=restrict-plus-operands.js.map |