libreccm-legacy/trunk-images/node_modules/tslint/lib/rules/maxLineLengthRule.js

92 lines
4.3 KiB
JavaScript

/**
* @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.
*/
"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("../index");
var Rule = (function (_super) {
__extends(Rule, _super);
function Rule() {
return _super !== null && _super.apply(this, arguments) || this;
}
Rule.prototype.isEnabled = function () {
var ruleArguments = this.getOptions().ruleArguments;
if (_super.prototype.isEnabled.call(this)) {
var option = ruleArguments[0];
if (typeof option === "number" && option > 0) {
return true;
}
}
return false;
};
Rule.prototype.apply = function (sourceFile) {
var ruleFailures = [];
var ruleArguments = this.getOptions().ruleArguments;
var lineLimit = ruleArguments[0];
var lineStarts = sourceFile.getLineStarts();
var errorString = Rule.FAILURE_STRING_FACTORY(lineLimit);
var disabledIntervals = this.getOptions().disabledIntervals;
var source = sourceFile.getFullText();
for (var i = 0; i < lineStarts.length - 1; ++i) {
var from = lineStarts[i];
var to = lineStarts[i + 1];
if ((to - from - 1) > lineLimit && !((to - from - 2) === lineLimit && source[to - 2] === "\r")) {
// first condition above is whether the line (minus the newline) is larger than the line limit
// second two check for windows line endings, that is, check to make sure it is not the case
// that we are only over by the limit by exactly one and that the character we are over the
// limit by is a '\r' character which does not count against the limit
// (and thus we are not actually over the limit).
var ruleFailure = new Lint.RuleFailure(sourceFile, from, to - 1, errorString, this.getOptions().ruleName);
if (!Lint.doesIntersect(ruleFailure, disabledIntervals)) {
ruleFailures.push(ruleFailure);
}
}
}
return ruleFailures;
};
return Rule;
}(Lint.Rules.AbstractRule));
/* tslint:disable:object-literal-sort-keys */
Rule.metadata = {
ruleName: "max-line-length",
description: "Requires lines to be under a certain max length.",
rationale: (_a = ["\n Limiting the length of a line of code improves code readability.\n It also makes comparing code side-by-side easier and improves compatibility with\n various editors, IDEs, and diff viewers."], _a.raw = ["\n Limiting the length of a line of code improves code readability.\n It also makes comparing code side-by-side easier and improves compatibility with\n various editors, IDEs, and diff viewers."], Lint.Utils.dedent(_a)),
optionsDescription: "An integer indicating the max length of lines.",
options: {
type: "number",
minimum: "1",
},
optionExamples: ["[true, 120]"],
type: "maintainability",
typescriptOnly: false,
};
/* tslint:enable:object-literal-sort-keys */
Rule.FAILURE_STRING_FACTORY = function (lineLimit) {
return "Exceeds maximum line length of " + lineLimit;
};
exports.Rule = Rule;
var _a;