github-pages-deploy-action/node_modules/tslint/lib/rules/commentFormatRule.js
2019-11-19 07:48:29 -05:00

239 lines
13 KiB
JavaScript

"use strict";
/**
* @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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var utils = require("tsutils");
var ts = require("typescript");
var enableDisableRules_1 = require("../enableDisableRules");
var Lint = require("../index");
var utils_1 = require("../utils");
var OPTION_SPACE = "check-space";
var OPTION_LOWERCASE = "check-lowercase";
var OPTION_UPPERCASE = "check-uppercase";
var OPTION_ALLOW_TRAILING_LOWERCASE = "allow-trailing-lowercase";
var Rule = /** @class */ (function (_super) {
tslib_1.__extends(Rule, _super);
function Rule() {
return _super !== null && _super.apply(this, arguments) || this;
}
Rule.prototype.apply = function (sourceFile) {
var commentFormatWalker = new CommentFormatWalker(sourceFile, this.ruleName, parseOptions(this.ruleArguments));
return this.applyWithWalker(commentFormatWalker);
};
/* tslint:disable:object-literal-sort-keys */
Rule.metadata = {
ruleName: "comment-format",
description: "Enforces formatting rules for single-line comments.",
rationale: "Helps maintain a consistent, readable style in your codebase.",
optionsDescription: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n Four arguments may be optionally provided:\n\n * `\"", "\"` requires that all single-line comments must begin with a space, as in `// comment`\n * note that for comments starting with multiple slashes, e.g. `///`, leading slashes are ignored\n * TypeScript reference comments are ignored completely\n * `\"", "\"` requires that the first non-whitespace character of a comment must be lowercase, if applicable.\n * `\"", "\"` requires that the first non-whitespace character of a comment must be uppercase, if applicable.\n * `\"", "\"` allows that only the first comment of a series of comments needs to be uppercase.\n * requires `\"", "\"`\n * comments must start at the same position\n\n Exceptions to `\"", "\"` or `\"", "\"` can be managed with object that may be passed as last\n argument.\n\n One of two options can be provided in this object:\n\n * `\"ignore-words\"` - array of strings - words that will be ignored at the beginning of the comment.\n * `\"ignore-pattern\"` - string - RegExp pattern that will be ignored at the beginning of the comment.\n "], ["\n Four arguments may be optionally provided:\n\n * \\`\"", "\"\\` requires that all single-line comments must begin with a space, as in \\`// comment\\`\n * note that for comments starting with multiple slashes, e.g. \\`///\\`, leading slashes are ignored\n * TypeScript reference comments are ignored completely\n * \\`\"", "\"\\` requires that the first non-whitespace character of a comment must be lowercase, if applicable.\n * \\`\"", "\"\\` requires that the first non-whitespace character of a comment must be uppercase, if applicable.\n * \\`\"", "\"\\` allows that only the first comment of a series of comments needs to be uppercase.\n * requires \\`\"", "\"\\`\n * comments must start at the same position\n\n Exceptions to \\`\"", "\"\\` or \\`\"", "\"\\` can be managed with object that may be passed as last\n argument.\n\n One of two options can be provided in this object:\n\n * \\`\"ignore-words\"\\` - array of strings - words that will be ignored at the beginning of the comment.\n * \\`\"ignore-pattern\"\\` - string - RegExp pattern that will be ignored at the beginning of the comment.\n "])), OPTION_SPACE, OPTION_LOWERCASE, OPTION_UPPERCASE, OPTION_ALLOW_TRAILING_LOWERCASE, OPTION_UPPERCASE, OPTION_LOWERCASE, OPTION_UPPERCASE),
options: {
type: "array",
items: {
anyOf: [
{
type: "string",
enum: [
OPTION_SPACE,
OPTION_LOWERCASE,
OPTION_UPPERCASE,
OPTION_ALLOW_TRAILING_LOWERCASE,
],
},
{
type: "object",
properties: {
"ignore-words": {
type: "array",
items: {
type: "string",
},
},
"ignore-pattern": {
type: "string",
},
},
minProperties: 1,
maxProperties: 1,
},
],
},
minLength: 1,
maxLength: 5,
},
optionExamples: [
[true, OPTION_SPACE, OPTION_UPPERCASE, OPTION_ALLOW_TRAILING_LOWERCASE],
[true, OPTION_LOWERCASE, { "ignore-words": ["TODO", "HACK"] }],
[true, OPTION_LOWERCASE, { "ignore-pattern": "STD\\w{2,3}\\b" }],
],
type: "style",
typescriptOnly: false,
hasFix: true,
};
/* tslint:enable:object-literal-sort-keys */
Rule.LOWERCASE_FAILURE = "comment must start with lowercase letter";
Rule.SPACE_LOWERCASE_FAILURE = "comment must start with a space and lowercase letter";
Rule.UPPERCASE_FAILURE = "comment must start with uppercase letter";
Rule.SPACE_UPPERCASE_FAILURE = "comment must start with a space and uppercase letter";
Rule.LEADING_SPACE_FAILURE = "comment must start with a space";
Rule.IGNORE_WORDS_FAILURE_FACTORY = function (words) {
return " or the word(s): " + words.join(", ");
};
Rule.IGNORE_PATTERN_FAILURE_FACTORY = function (pattern) {
return " or its start must match the regex pattern \"" + pattern + "\"";
};
return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
function parseOptions(options) {
return tslib_1.__assign({ allowTrailingLowercase: has(OPTION_ALLOW_TRAILING_LOWERCASE), case: options.indexOf(OPTION_LOWERCASE) !== -1
? 1 /* Lower */
: options.indexOf(OPTION_UPPERCASE) !== -1
? 2 /* Upper */
: 0 /* None */, failureSuffix: "", space: has(OPTION_SPACE) }, composeExceptions(options[options.length - 1]));
function has(option) {
return options.indexOf(option) !== -1;
}
}
function composeExceptions(option) {
if (typeof option !== "object") {
return undefined;
}
var ignorePattern = option["ignore-pattern"];
if (ignorePattern !== undefined) {
return {
exceptions: new RegExp("^\\s*(" + ignorePattern + ")"),
failureSuffix: Rule.IGNORE_PATTERN_FAILURE_FACTORY(ignorePattern),
};
}
var ignoreWords = option["ignore-words"];
if (ignoreWords !== undefined && ignoreWords.length !== 0) {
return {
exceptions: new RegExp("^\\s*(?:" + ignoreWords.map(function (word) { return utils_1.escapeRegExp(word.trim()); }).join("|") + ")\\b"),
failureSuffix: Rule.IGNORE_WORDS_FAILURE_FACTORY(ignoreWords),
};
}
return undefined;
}
var CommentFormatWalker = /** @class */ (function (_super) {
tslib_1.__extends(CommentFormatWalker, _super);
function CommentFormatWalker() {
return _super !== null && _super.apply(this, arguments) || this;
}
CommentFormatWalker.prototype.walk = function (sourceFile) {
var _this = this;
utils.forEachComment(sourceFile, function (fullText, comment) {
var commentStatus = _this.checkComment(fullText, comment);
_this.handleFailure(commentStatus, comment.end);
// cache position of last comment
_this.prevComment = ts.getLineAndCharacterOfPosition(sourceFile, comment.pos);
_this.prevCommentIsValid = commentStatus.validForTrailingLowercase;
});
};
CommentFormatWalker.prototype.checkComment = function (fullText, _a) {
var kind = _a.kind, pos = _a.pos, end = _a.end;
var status = {
firstLetterPos: -1,
leadingSpaceError: false,
lowercaseError: false,
start: pos + 2,
text: "",
uppercaseError: false,
validForTrailingLowercase: false,
};
if (kind !== ts.SyntaxKind.SingleLineCommentTrivia ||
// exclude empty comments
status.start === end ||
// exclude /// <reference path="...">
(fullText[status.start] === "/" &&
this.sourceFile.referencedFiles.some(function (ref) { return ref.pos >= pos && ref.end <= end; }))) {
return status;
}
// skip all leading slashes
while (fullText[status.start] === "/") {
++status.start;
}
if (status.start === end) {
return status;
}
status.text = fullText.slice(status.start, end);
// whitelist //#region and //#endregion and JetBrains IDEs' "//noinspection ...", "//region", "//endregion"
if (/^(?:#?(?:end)?region|noinspection\s)/.test(status.text)) {
return status;
}
if (this.options.space && status.text[0] !== " ") {
status.leadingSpaceError = true;
}
if (this.options.case === 0 /* None */ ||
(this.options.exceptions !== undefined && this.options.exceptions.test(status.text)) ||
enableDisableRules_1.ENABLE_DISABLE_REGEX.test(status.text)) {
return status;
}
// search for first non-space character to check if lower or upper
var charPos = status.text.search(/\S/);
if (charPos === -1) {
return status;
}
// All non-empty and not whitelisted comments are valid for the trailing lowercase rule
status.validForTrailingLowercase = true;
status.firstLetterPos = charPos;
if (this.options.case === 1 /* Lower */ && !utils_1.isLowerCase(status.text[charPos])) {
status.lowercaseError = true;
}
else if (this.options.case === 2 /* Upper */ && !utils_1.isUpperCase(status.text[charPos])) {
status.uppercaseError = true;
if (this.options.allowTrailingLowercase &&
this.prevComment !== undefined &&
this.prevCommentIsValid) {
var currentComment = ts.getLineAndCharacterOfPosition(this.sourceFile, pos);
if (this.prevComment.line + 1 === currentComment.line &&
this.prevComment.character === currentComment.character) {
status.uppercaseError = false;
}
}
}
return status;
};
CommentFormatWalker.prototype.handleFailure = function (status, end) {
// No failure detected
if (!status.leadingSpaceError && !status.lowercaseError && !status.uppercaseError) {
return;
}
// Only whitespace failure
if (status.leadingSpaceError && !status.lowercaseError && !status.uppercaseError) {
this.addFailure(status.start, end, Rule.LEADING_SPACE_FAILURE, Lint.Replacement.appendText(status.start, " "));
return;
}
var msg;
var firstLetterFix;
if (status.lowercaseError) {
msg = status.leadingSpaceError ? Rule.SPACE_LOWERCASE_FAILURE : Rule.LOWERCASE_FAILURE;
firstLetterFix = status.text[status.firstLetterPos].toLowerCase();
}
else {
msg = status.leadingSpaceError ? Rule.SPACE_UPPERCASE_FAILURE : Rule.UPPERCASE_FAILURE;
firstLetterFix = status.text[status.firstLetterPos].toUpperCase();
}
var fix = status.leadingSpaceError
? new Lint.Replacement(status.start, 1, " " + firstLetterFix)
: new Lint.Replacement(status.start + status.firstLetterPos, 1, firstLetterFix);
this.addFailure(status.start, end, msg + this.options.failureSuffix, fix);
};
return CommentFormatWalker;
}(Lint.AbstractWalker));
var templateObject_1;