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"use strict";
/**
* @license
* Copyright 2016 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;
}
/* tslint:enable:object-literal-sort-keys */
Rule.FAILURE_STRING = function (maxCount) {
var maxClassWord = maxCount === 1 ? "class per file is" : "classes per file are";
return "A maximum of " + maxCount + " " + maxClassWord + " allowed.";
};
Rule.prototype.apply = function (sourceFile) {
var argument = this.ruleArguments[0];
var maxClasses = isNaN(argument) || argument > 0 ? argument : 1;
return this.applyWithFunction(sourceFile, walk, { maxClasses: maxClasses });
};
/* tslint:disable:object-literal-sort-keys */
Rule.metadata = {
ruleName: "max-classes-per-file",
description: (_a = ["\n A file may not contain more than the specified number of classes"], _a.raw = ["\n A file may not contain more than the specified number of classes"], Lint.Utils.dedent(_a)),
rationale: (_b = ["\n Ensures that files have a single responsibility so that that classes each exist in their own files"], _b.raw = ["\n Ensures that files have a single responsibility so that that classes each exist in their own files"], Lint.Utils.dedent(_b)),
optionsDescription: (_c = ["\n The one required argument is an integer indicating the maximum number of classes that can appear in a file."], _c.raw = ["\n The one required argument is an integer indicating the maximum number of classes that can appear in a file."], Lint.Utils.dedent(_c)),
options: {
type: "array",
items: [
{
type: "number",
minimum: 1,
},
],
additionalItems: false,
minLength: 1,
maxLength: 2,
},
optionExamples: [[true, 1], [true, 5]],
type: "maintainability",
typescriptOnly: false,
};
return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
function walk(ctx) {
var sourceFile = ctx.sourceFile, maxClasses = ctx.options.maxClasses;
var classes = 0;
return ts.forEachChild(sourceFile, function cb(node) {
if (tsutils_1.isClassLikeDeclaration(node)) {
classes++;
if (classes > maxClasses) {
ctx.addFailureAtNode(node, Rule.FAILURE_STRING(maxClasses));
}
}
return ts.forEachChild(node, cb);
});
}
var _a, _b, _c;
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