vrsource-tslint-rules/rules/maxParamsRule.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 MaxParamsRuleWalker = (function (_super) {
    __extends(MaxParamsRuleWalker, _super);
    function MaxParamsRuleWalker(sourceFile, options) {
        var _this = _super.call(this, sourceFile, options) || this;
        _this.maxCount = 3;
        _this.failureStr = "";
        if (options.ruleArguments.length > 0) {
            _this.maxCount = options.ruleArguments[0];
        }
        _this.failureStr = "More than max-params: " + _this.maxCount;
        return _this;
    }
    MaxParamsRuleWalker.prototype.visitMethodDeclaration = function (node) {
        this.checkParams(node.parameters);
        _super.prototype.visitMethodDeclaration.call(this, node);
    };
    MaxParamsRuleWalker.prototype.visitFunctionDeclaration = function (node) {
        this.checkParams(node.parameters);
        _super.prototype.visitFunctionDeclaration.call(this, node);
    };
    MaxParamsRuleWalker.prototype.visitFunctionExpression = function (node) {
        this.checkParams(node.parameters);
        _super.prototype.visitFunctionExpression.call(this, node);
    };
    MaxParamsRuleWalker.prototype.visitArrowFunction = function (node) {
        this.checkParams(node.parameters);
        _super.prototype.visitArrowFunction.call(this, node);
    };
    MaxParamsRuleWalker.prototype.checkParams = function (params) {
        if (params.length > this.maxCount) {
            var first_param = params[0];
            var last_param = params[params.length - 1];
            var width = last_param.getEnd() - first_param.getStart();
            this.addFailure(this.createFailure(first_param.getStart(), width, this.failureStr));
        }
    };
    return MaxParamsRuleWalker;
}(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 MaxParamsRuleWalker(sourceFile, this.getOptions()));
    };
    return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
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