maxLineLengthRule.js
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"use strict";
var __extends = (this && this.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var Lint = require("../lint");
var Rule = (function (_super) {
__extends(Rule, _super);
function Rule() {
_super.apply(this, arguments);
}
Rule.prototype.isEnabled = function () {
if (_super.prototype.isEnabled.call(this)) {
var option = this.getOptions().ruleArguments[0];
if (typeof option === "number" && option > 0) {
return true;
}
}
return false;
};
Rule.prototype.apply = function (sourceFile) {
var ruleFailures = [];
var lineLimit = this.getOptions().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")) {
var ruleFailure = new Lint.RuleFailure(sourceFile, from, to - 1, errorString, this.getOptions().ruleName);
if (!Lint.doesIntersect(ruleFailure, disabledIntervals)) {
ruleFailures.push(ruleFailure);
}
}
}
return ruleFailures;
};
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",
};
Rule.FAILURE_STRING_FACTORY = function (lineLimit) {
return "Exceeds maximum line length of " + lineLimit;
};
return Rule;
var _a;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;