vrsource-tslint-rules/rules/preferCaseBlocksRule.js

Extension rules for tslint

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
var Lint = require("tslint");
var ts = require("typescript");
var FAIL_STR = "Prefer blocks for case body";
var CaseBlockWalker = (function (_super) {
    __extends(CaseBlockWalker, _super);
    function CaseBlockWalker() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    CaseBlockWalker.prototype.visitDefaultClause = function (node) {
        this.checkCaseClause(node);
        _super.prototype.visitDefaultClause.call(this, node);
    };
    CaseBlockWalker.prototype.visitCaseClause = function (node) {
        this.checkCaseClause(node);
        _super.prototype.visitCaseClause.call(this, node);
    };
    CaseBlockWalker.prototype.checkCaseClause = function (node) {
        if ((node.statements.length > 1) ||
            ((node.statements.length === 1) &&
                (node.statements[0].kind !== ts.SyntaxKind.Block))) {
            this.addFailure(this.createFailure(node.getStart(), node.getWidth(), FAIL_STR));
        }
    };
    return CaseBlockWalker;
}(Lint.RuleWalker));
var Rule = (function (_super) {
    __extends(Rule, _super);
    function Rule() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    Rule.prototype.apply = function (sourceFile) {
        return this.applyWithWalker(new CaseBlockWalker(sourceFile, this.getOptions()));
    };
    return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
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