"use strict"; /** * @license * Copyright 2013 Palantir Technologies, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ Object.defineProperty(exports, "__esModule", { value: true }); var tslib_1 = require("tslib"); var tsutils_1 = require("tsutils"); var ts = require("typescript"); var Lint = require("../index"); var Rule = /** @class */ (function (_super) { tslib_1.__extends(Rule, _super); function Rule() { return _super !== null && _super.apply(this, arguments) || this; } Rule.id = function (input) { return input; }; Rule.prototype.apply = function (sourceFile) { return this.applyWithFunction(sourceFile, walk); }; /* tslint:disable:object-literal-sort-keys */ Rule.metadata = { ruleName: "no-string-literal", description: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n Forbids unnecessary string literal property access.\n Allows `obj[\"prop-erty\"]` (can't be a regular property access).\n Disallows `obj[\"property\"]` (should be `obj.property`)."], ["\n Forbids unnecessary string literal property access.\n Allows \\`obj[\"prop-erty\"]\\` (can't be a regular property access).\n Disallows \\`obj[\"property\"]\\` (should be \\`obj.property\\`)."]))), rationale: Lint.Utils.dedent(templateObject_2 || (templateObject_2 = tslib_1.__makeTemplateObject(["\n If `--noImplicitAny` is turned off,\n property access via a string literal will be 'any' if the property does not exist."], ["\n If \\`--noImplicitAny\\` is turned off,\n property access via a string literal will be 'any' if the property does not exist."]))), optionsDescription: "Not configurable.", options: null, optionExamples: [true], type: "functionality", typescriptOnly: false, hasFix: true, }; /* tslint:enable:object-literal-sort-keys */ Rule.FAILURE_STRING = "object access via string literals is disallowed"; return Rule; }(Lint.Rules.AbstractRule)); exports.Rule = Rule; function walk(ctx) { return ts.forEachChild(ctx.sourceFile, function cb(node) { if (tsutils_1.isElementAccessExpression(node)) { var argument = node.argumentExpression; if (argument !== undefined && tsutils_1.isStringLiteral(argument) && tsutils_1.isValidPropertyAccess(argument.text)) { var unescapeIdentifier = // typescript@<2.5.0 has an extra underscore in escaped identifier text content, // to avoid fixing issue `expr['__foo'] → expr.___foo`, unescapeIdentifier() is to be used // As of typescript@3, unescapeIdentifier() removed, thus check in runtime, if the method exists // tslint:disable-next-line no-unsafe-any strict-boolean-expressions ts.unescapeIdentifier || Rule.id; var propertyName = unescapeIdentifier(argument.text); ctx.addFailureAtNode(argument, Rule.FAILURE_STRING, // expr['foo'] -> expr.foo Lint.Replacement.replaceFromTo(node.expression.end, node.end, "." + propertyName)); } } return ts.forEachChild(node, cb); }); } var templateObject_1, templateObject_2;