wallet-core/node_modules/tslint/lib/rules/spaceWithinParensRule.js
2017-10-14 18:40:54 +02:00

155 lines
6.4 KiB
JavaScript

"use strict";
/**
* @license
* Copyright 2017 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;
}
Rule.FAILURE_NEEDS_SPACE = function (count) {
return "Needs " + count + " whitespace" + (count > 1 ? "s" : "") + " within parentheses";
};
Rule.FAILURE_NO_EXTRA_SPACE = function (count) {
return "No more than " + count + " whitespace" + (count > 1 ? "s" : "") + " within parentheses allowed";
};
Rule.prototype.apply = function (sourceFile) {
return this.applyWithWalker(new SpaceWithinParensWalker(sourceFile, this.ruleName, parseOptions(this.ruleArguments[0])));
};
/* tslint:disable:object-literal-sort-keys */
Rule.metadata = {
ruleName: "space-within-parens",
description: "Enforces spaces within parentheses or disallow them.",
hasFix: true,
optionsDescription: (_a = ["\n You may enforce the amount of whitespace within parentheses.\n "], _a.raw = ["\n You may enforce the amount of whitespace within parentheses.\n "], Lint.Utils.dedent(_a)),
options: { type: "number", min: 0 },
type: "style",
typescriptOnly: false,
};
/* tslint:enable:object-literal-sort-keys */
Rule.FAILURE_NO_SPACE = "Whitespace within parentheses is not allowed";
return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
function parseOptions(whitespaceSize) {
var size = 0;
if (typeof whitespaceSize === "number") {
if (whitespaceSize >= 0) {
size = whitespaceSize;
}
}
else if (typeof whitespaceSize === "string") {
var parsedSize = parseInt(whitespaceSize, 10);
if (!Number.isNaN(parsedSize) && parsedSize >= 0) {
size = parsedSize;
}
}
return {
size: size,
};
}
var SpaceWithinParensWalker = /** @class */ (function (_super) {
tslib_1.__extends(SpaceWithinParensWalker, _super);
function SpaceWithinParensWalker() {
return _super !== null && _super.apply(this, arguments) || this;
}
SpaceWithinParensWalker.prototype.walk = function (sourceFile) {
var _this = this;
tsutils_1.forEachToken(sourceFile, function (token) {
if (token.kind === ts.SyntaxKind.OpenParenToken) {
_this.checkOpenParenToken(token);
}
else if (token.kind === ts.SyntaxKind.CloseParenToken) {
_this.checkCloseParenToken(token);
}
});
};
SpaceWithinParensWalker.prototype.checkOpenParenToken = function (tokenNode) {
var currentPos = tokenNode.end;
var currentChar = this.sourceFile.text.charCodeAt(currentPos);
var allowedSpaceCount = this.options.size;
while (ts.isWhiteSpaceSingleLine(currentChar)) {
++currentPos;
currentChar = this.sourceFile.text.charCodeAt(currentPos);
}
if (!ts.isLineBreak(currentChar)) {
var whitespaceCount = currentPos - tokenNode.end;
if (whitespaceCount !== allowedSpaceCount) {
var length = 0;
var pos = tokenNode.end;
if (whitespaceCount > allowedSpaceCount) {
pos += allowedSpaceCount;
length = whitespaceCount - allowedSpaceCount;
}
else if (whitespaceCount > 0 && whitespaceCount < allowedSpaceCount) {
pos += allowedSpaceCount - whitespaceCount;
}
this.addFailureAtWithFix(pos, length, whitespaceCount);
}
}
};
SpaceWithinParensWalker.prototype.checkCloseParenToken = function (tokenNode) {
var currentPos = tokenNode.end - 2;
var currentChar = this.sourceFile.text.charCodeAt(currentPos);
var allowedSpaceCount = this.options.size;
while (ts.isWhiteSpaceSingleLine(currentChar)) {
--currentPos;
currentChar = this.sourceFile.text.charCodeAt(currentPos);
}
/**
* Number 40 is open parenthese char code, we skip this cause
* it's already been caught by `checkOpenParenToken`
*/
if (!ts.isLineBreak(currentChar) && currentChar !== 40) {
var whitespaceCount = tokenNode.end - currentPos - 2;
if (whitespaceCount !== allowedSpaceCount) {
var length = 0;
var pos = currentPos + 1;
if (whitespaceCount > allowedSpaceCount) {
length = whitespaceCount - allowedSpaceCount;
}
this.addFailureAtWithFix(pos, length, whitespaceCount);
}
}
};
SpaceWithinParensWalker.prototype.addFailureAtWithFix = function (position, length, whitespaceCount) {
var lintMsg;
var lintFix;
var allowedSpaceCount = this.options.size;
if (allowedSpaceCount === 0) {
lintMsg = Rule.FAILURE_NO_SPACE;
lintFix = Lint.Replacement.deleteText(position, length);
}
else if (allowedSpaceCount > whitespaceCount) {
lintMsg = Rule.FAILURE_NEEDS_SPACE(allowedSpaceCount - whitespaceCount);
var whitespace = " ".repeat(allowedSpaceCount - whitespaceCount);
lintFix = Lint.Replacement.appendText(position, whitespace);
}
else {
lintMsg = Rule.FAILURE_NO_EXTRA_SPACE(allowedSpaceCount);
lintFix = Lint.Replacement.deleteText(position, whitespaceCount - allowedSpaceCount);
}
this.addFailureAt(position, length, lintMsg, lintFix);
};
return SpaceWithinParensWalker;
}(Lint.AbstractWalker));
var _a;