160 lines
6.7 KiB
JavaScript
160 lines
6.7 KiB
JavaScript
"use strict";
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/**
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* @license
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* Copyright 2017 Palantir Technologies, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Rule = void 0;
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var tslib_1 = require("tslib");
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var tsutils_1 = require("tsutils");
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var ts = require("typescript");
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var Lint = require("../index");
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var Rule = /** @class */ (function (_super) {
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tslib_1.__extends(Rule, _super);
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function Rule() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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Rule.FAILURE_NEEDS_SPACE = function (count) {
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return "Needs " + count + " whitespace" + (count > 1 ? "s" : "") + " within parentheses";
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};
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Rule.FAILURE_NO_EXTRA_SPACE = function (count) {
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return "No more than " + count + " whitespace" + (count > 1 ? "s" : "") + " within parentheses allowed";
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};
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Rule.prototype.apply = function (sourceFile) {
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return this.applyWithWalker(new SpaceWithinParensWalker(sourceFile, this.ruleName, parseOptions(this.ruleArguments[0])));
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};
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/* tslint:disable:object-literal-sort-keys */
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Rule.metadata = {
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ruleName: "space-within-parens",
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description: "Enforces spaces within parentheses or disallow them. Empty parentheses () are always allowed.",
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hasFix: true,
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optionsDescription: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n You may enforce the amount of whitespace within parentheses.\n "], ["\n You may enforce the amount of whitespace within parentheses.\n "]))),
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options: { type: "number", min: 0 },
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type: "style",
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typescriptOnly: false,
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};
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/* tslint:enable:object-literal-sort-keys */
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Rule.FAILURE_NO_SPACE = "Whitespace within parentheses is not allowed";
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return Rule;
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}(Lint.Rules.AbstractRule));
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exports.Rule = Rule;
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function parseOptions(whitespaceSize) {
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var size = 0;
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if (typeof whitespaceSize === "number") {
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if (whitespaceSize >= 0) {
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size = whitespaceSize;
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}
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}
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else if (typeof whitespaceSize === "string") {
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var parsedSize = parseInt(whitespaceSize, 10);
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if (!Number.isNaN(parsedSize) && parsedSize >= 0) {
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size = parsedSize;
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}
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}
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return {
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size: size,
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};
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}
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var SpaceWithinParensWalker = /** @class */ (function (_super) {
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tslib_1.__extends(SpaceWithinParensWalker, _super);
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function SpaceWithinParensWalker() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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SpaceWithinParensWalker.prototype.walk = function (sourceFile) {
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var _this = this;
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tsutils_1.forEachToken(sourceFile, function (token) {
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if (token.kind === ts.SyntaxKind.OpenParenToken) {
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if (sourceFile.text.charAt(token.end) !== ")") {
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_this.checkOpenParenToken(token);
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}
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}
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else if (token.kind === ts.SyntaxKind.CloseParenToken) {
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if (sourceFile.text.charAt(token.end - 2) !== "(") {
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_this.checkCloseParenToken(token);
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}
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}
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});
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};
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SpaceWithinParensWalker.prototype.checkOpenParenToken = function (tokenNode) {
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var currentPos = tokenNode.end;
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var currentChar = this.sourceFile.text.charCodeAt(currentPos);
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var allowedSpaceCount = this.options.size;
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while (ts.isWhiteSpaceSingleLine(currentChar)) {
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++currentPos;
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currentChar = this.sourceFile.text.charCodeAt(currentPos);
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}
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if (!ts.isLineBreak(currentChar)) {
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var whitespaceCount = currentPos - tokenNode.end;
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if (whitespaceCount !== allowedSpaceCount) {
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var length = 0;
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var pos = tokenNode.end;
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if (whitespaceCount > allowedSpaceCount) {
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pos += allowedSpaceCount;
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length = whitespaceCount - allowedSpaceCount;
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}
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else if (whitespaceCount > 0 && whitespaceCount < allowedSpaceCount) {
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pos += allowedSpaceCount - whitespaceCount;
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}
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this.addFailureAtWithFix(pos, length, whitespaceCount);
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}
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}
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};
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SpaceWithinParensWalker.prototype.checkCloseParenToken = function (tokenNode) {
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var currentPos = tokenNode.end - 2;
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var currentChar = this.sourceFile.text.charCodeAt(currentPos);
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var allowedSpaceCount = this.options.size;
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while (ts.isWhiteSpaceSingleLine(currentChar)) {
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--currentPos;
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currentChar = this.sourceFile.text.charCodeAt(currentPos);
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}
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/**
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* Number 40 is open parenthese char code, we skip this cause
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* it's already been caught by `checkOpenParenToken`
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*/
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if (!ts.isLineBreak(currentChar) && currentChar !== 40) {
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var whitespaceCount = tokenNode.end - currentPos - 2;
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if (whitespaceCount !== allowedSpaceCount) {
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var length = 0;
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var pos = currentPos + 1;
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if (whitespaceCount > allowedSpaceCount) {
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length = whitespaceCount - allowedSpaceCount;
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}
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this.addFailureAtWithFix(pos, length, whitespaceCount);
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}
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}
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};
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SpaceWithinParensWalker.prototype.addFailureAtWithFix = function (position, length, whitespaceCount) {
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var lintMsg;
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var lintFix;
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var allowedSpaceCount = this.options.size;
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if (allowedSpaceCount === 0) {
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lintMsg = Rule.FAILURE_NO_SPACE;
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lintFix = Lint.Replacement.deleteText(position, length);
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}
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else if (allowedSpaceCount > whitespaceCount) {
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lintMsg = Rule.FAILURE_NEEDS_SPACE(allowedSpaceCount - whitespaceCount);
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var whitespace = " ".repeat(allowedSpaceCount - whitespaceCount);
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lintFix = Lint.Replacement.appendText(position, whitespace);
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}
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else {
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lintMsg = Rule.FAILURE_NO_EXTRA_SPACE(allowedSpaceCount);
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lintFix = Lint.Replacement.deleteText(position, whitespaceCount - allowedSpaceCount);
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}
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this.addFailureAt(position, length, lintMsg, lintFix);
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};
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return SpaceWithinParensWalker;
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}(Lint.AbstractWalker));
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var templateObject_1;
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