77 lines
3.3 KiB
JavaScript
77 lines
3.3 KiB
JavaScript
|
"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 = (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 });
|
||
|
|
};
|
||
|
|
return Rule;
|
||
|
|
}(Lint.Rules.AbstractRule));
|
||
|
|
/* 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,
|
||
|
|
};
|
||
|
|
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;
|