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268 lines
12 KiB
Plaintext
268 lines
12 KiB
Plaintext
import { C as WHITE_SPACES_PATTERN, K as isSingleLine, L as isHashbangComment, X as isWhiteSpaces, f as createRule, g as import_ast_utils, v as COMMENTS_IGNORE_PATTERN } from "../utils.js";
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var multiline_comment_style_default = createRule({
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name: "multiline-comment-style",
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meta: {
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type: "suggestion",
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docs: { description: "Enforce a particular style for multiline comments" },
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fixable: "whitespace",
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schema: { anyOf: [{
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type: "array",
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items: [{
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enum: ["starred-block", "bare-block"],
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type: "string"
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}],
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additionalItems: false
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}, {
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type: "array",
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items: [{
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enum: ["separate-lines"],
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type: "string"
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}, {
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type: "object",
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properties: {
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checkJSDoc: { type: "boolean" },
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checkExclamation: { type: "boolean" }
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},
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additionalProperties: false
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}],
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additionalItems: false
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}] },
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defaultOptions: ["starred-block"],
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messages: {
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expectedBlock: "Expected a block comment instead of consecutive line comments.",
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expectedBareBlock: "Expected a block comment without padding stars.",
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startNewline: "Expected a linebreak after '/*'.",
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endNewline: "Expected a linebreak before '*/'.",
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missingStar: "Expected a '*' at the start of this line.",
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alignment: "Expected this line to be aligned with the start of the comment.",
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expectedLines: "Expected multiple line comments instead of a block comment."
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}
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},
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create(context, [style, options = {}]) {
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const { checkJSDoc, checkExclamation } = options;
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const sourceCode = context.sourceCode;
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function isStarredCommentLine(line) {
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return /^\s*\*/u.test(line);
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}
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function isStarredBlockComment([firstComment]) {
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if (firstComment.type !== "Block") return false;
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const lines = firstComment.value.split(import_ast_utils.LINEBREAK_MATCHER);
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return lines.length > 0 && lines.every((line, i) => i === 0 || i === lines.length - 1 ? isWhiteSpaces(line) : isStarredCommentLine(line));
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}
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function isJSDocComment([firstComment]) {
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if (firstComment.type !== "Block") return false;
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const lines = firstComment.value.split(import_ast_utils.LINEBREAK_MATCHER);
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return /^\*\s*$/u.test(lines[0]) && lines.slice(1, -1).every((line) => /^\s* /u.test(line)) && isWhiteSpaces(lines.at(-1));
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}
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function isExclamationComment([firstComment]) {
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if (firstComment.type !== "Block") return false;
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const lines = firstComment.value.split(import_ast_utils.LINEBREAK_MATCHER);
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return /^!\s*$/u.test(lines[0]) && lines.slice(1, -1).every((line) => /^\s* /u.test(line)) && isWhiteSpaces(lines.at(-1));
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}
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function processSeparateLineComments(commentGroup) {
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const allLinesHaveLeadingSpace = commentGroup.every(({ value: line }) => line.trim().length === 0 || line.startsWith(" "));
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return commentGroup.map(({ value }) => allLinesHaveLeadingSpace ? value.replace(/^ /u, "") : value);
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}
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function processStarredBlockComment(comment) {
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const lines = comment.value.split(import_ast_utils.LINEBREAK_MATCHER).slice(1, -1).map((line) => line.replace(WHITE_SPACES_PATTERN, ""));
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const allLinesHaveLeadingSpace = lines.every((line) => {
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const lineWithoutPrefix = line.replace(/\s*\*/u, "");
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return lineWithoutPrefix.trim().length === 0 || lineWithoutPrefix.startsWith(" ");
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});
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return lines.map((line) => line.replace(allLinesHaveLeadingSpace ? /\s*\* ?/u : /\s*\*/u, ""));
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}
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function processBareBlockComment(comment) {
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const lines = comment.value.split(import_ast_utils.LINEBREAK_MATCHER).map((line) => line.replace(WHITE_SPACES_PATTERN, ""));
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const leadingWhitespace = `${sourceCode.text.slice(comment.range[0] - comment.loc.start.column, comment.range[0])} `;
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let offset = "";
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for (const [i, line] of lines.entries()) {
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if (!line.trim().length || i === 0) continue;
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const [, lineOffset] = line.match(/^(\s*\*?\s*)/u);
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if (lineOffset.length < leadingWhitespace.length) {
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const newOffset = leadingWhitespace.slice(lineOffset.length - leadingWhitespace.length);
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if (newOffset.length > offset.length) offset = newOffset;
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}
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}
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return lines.map((line) => {
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const [, lineOffset, lineContents] = line.match(/^(\s*\*?\s*)(.*)/u);
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if (lineOffset.length > leadingWhitespace.length) return `${lineOffset.slice(leadingWhitespace.length - (offset.length + lineOffset.length))}${lineContents}`;
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if (lineOffset.length < leadingWhitespace.length) return `${lineOffset.slice(leadingWhitespace.length)}${lineContents}`;
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return lineContents;
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});
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}
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function getCommentLines(commentGroup) {
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const [firstComment] = commentGroup;
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if (firstComment.type === "Line") return processSeparateLineComments(commentGroup);
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if (isStarredBlockComment(commentGroup)) return processStarredBlockComment(firstComment);
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return processBareBlockComment(firstComment);
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}
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function getInitialOffset(comment) {
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return sourceCode.text.slice(comment.range[0] - comment.loc.start.column, comment.range[0]);
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}
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function convertToStarredBlock(firstComment, commentLinesList) {
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const initialOffset = getInitialOffset(firstComment);
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return `/*\n${commentLinesList.map((line) => `${initialOffset} * ${line}`).join("\n")}\n${initialOffset} */`;
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}
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function convertToSeparateLines(firstComment, commentLinesList) {
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return commentLinesList.map((line) => `// ${line}`).join(`\n${getInitialOffset(firstComment)}`);
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}
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function convertToBlock(firstComment, commentLinesList) {
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return `/* ${commentLinesList.join(`\n${getInitialOffset(firstComment)} `)} */`;
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}
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const commentGroupCheckers = {
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"starred-block": function(commentGroup) {
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const [firstComment] = commentGroup;
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const commentLines = getCommentLines(commentGroup);
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if (commentLines.some((value) => value.includes("*/"))) return;
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if (commentGroup.length > 1) context.report({
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loc: {
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start: firstComment.loc.start,
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end: commentGroup.at(-1).loc.end
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},
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messageId: "expectedBlock",
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fix(fixer) {
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const range = [firstComment.range[0], commentGroup.at(-1).range[1]];
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return commentLines.some((value) => value.startsWith("/")) ? null : fixer.replaceTextRange(range, convertToStarredBlock(firstComment, commentLines));
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}
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});
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else {
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const lines = firstComment.value.split(import_ast_utils.LINEBREAK_MATCHER);
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const expectedLinePrefix = `${getInitialOffset(firstComment)} *`;
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if (!/^[*!]?\s*$/u.test(lines[0])) {
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const start = /^[*!]/.test(firstComment.value) ? firstComment.range[0] + 1 : firstComment.range[0];
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context.report({
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loc: {
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start: firstComment.loc.start,
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end: {
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line: firstComment.loc.start.line,
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column: firstComment.loc.start.column + 2
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}
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},
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messageId: "startNewline",
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fix: (fixer) => fixer.insertTextAfterRange([start, start + 2], `\n${expectedLinePrefix}`)
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});
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}
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if (!isWhiteSpaces(lines.at(-1))) context.report({
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loc: {
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start: {
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line: firstComment.loc.end.line,
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column: firstComment.loc.end.column - 2
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},
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end: firstComment.loc.end
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},
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messageId: "endNewline",
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fix: (fixer) => fixer.replaceTextRange([firstComment.range[1] - 2, firstComment.range[1]], `\n${expectedLinePrefix}/`)
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});
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for (let lineNumber = firstComment.loc.start.line + 1; lineNumber <= firstComment.loc.end.line; lineNumber++) {
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const lineText = sourceCode.lines[lineNumber - 1];
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const errorType = isStarredCommentLine(lineText) ? "alignment" : "missingStar";
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if (!lineText.startsWith(expectedLinePrefix)) context.report({
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loc: {
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start: {
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line: lineNumber,
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column: 0
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},
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end: {
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line: lineNumber,
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column: lineText.length
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}
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},
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messageId: errorType,
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fix(fixer) {
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const lineStartIndex = sourceCode.getIndexFromLoc({
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line: lineNumber,
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column: 0
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});
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if (errorType === "alignment") {
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const [, commentTextPrefix = ""] = lineText.match(/^(\s*\*)/u) || [];
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const commentTextStartIndex = lineStartIndex + commentTextPrefix.length;
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return fixer.replaceTextRange([lineStartIndex, commentTextStartIndex], expectedLinePrefix);
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}
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const [, commentTextPrefix = ""] = lineText.match(/^(\s*)/u) || [];
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const commentTextStartIndex = lineStartIndex + commentTextPrefix.length;
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let offset;
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for (const [idx, line] of lines.entries()) {
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if (!/\S+/u.test(line)) continue;
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const [, prefix = "", initialOffset = ""] = sourceCode.lines[firstComment.loc.start.line - 1 + idx].match(/^(\s*(?:\/?\*)?(\s*))/u) || [];
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offset = `${commentTextPrefix.slice(prefix.length)}${initialOffset}`;
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if (/^\s*\//u.test(lineText) && offset.length === 0) offset += " ";
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break;
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}
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return fixer.replaceTextRange([lineStartIndex, commentTextStartIndex], `${expectedLinePrefix}${offset}`);
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}
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});
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}
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}
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},
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"separate-lines": function(commentGroup) {
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const [firstComment] = commentGroup;
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const isJSDoc = isJSDocComment(commentGroup);
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const isExclamation = isExclamationComment(commentGroup);
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if (firstComment.type !== "Block" || !checkJSDoc && isJSDoc || !checkExclamation && isExclamation) return;
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let commentLines = getCommentLines(commentGroup);
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if (isJSDoc || isExclamation) commentLines = commentLines.slice(1, commentLines.length - 1);
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const tokenAfter = sourceCode.getTokenAfter(firstComment, { includeComments: true });
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if (tokenAfter && (0, import_ast_utils.isTokenOnSameLine)(firstComment, tokenAfter)) return;
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context.report({
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loc: {
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start: firstComment.loc.start,
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end: {
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line: firstComment.loc.start.line,
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column: firstComment.loc.start.column + 2
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}
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},
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messageId: "expectedLines",
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fix(fixer) {
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return fixer.replaceText(firstComment, convertToSeparateLines(firstComment, commentLines));
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}
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});
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},
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"bare-block": function(commentGroup) {
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if (isJSDocComment(commentGroup) || isExclamationComment(commentGroup)) return;
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const [firstComment] = commentGroup;
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const commentLines = getCommentLines(commentGroup);
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if (firstComment.type === "Line" && commentLines.length > 1 && !commentLines.some((value) => value.includes("*/"))) context.report({
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loc: {
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start: firstComment.loc.start,
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end: commentGroup.at(-1).loc.end
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},
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messageId: "expectedBlock",
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fix(fixer) {
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return fixer.replaceTextRange([firstComment.range[0], commentGroup.at(-1).range[1]], convertToBlock(firstComment, commentLines));
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}
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});
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if (isStarredBlockComment(commentGroup)) context.report({
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loc: {
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start: firstComment.loc.start,
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end: {
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line: firstComment.loc.start.line,
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column: firstComment.loc.start.column + 2
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}
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},
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messageId: "expectedBareBlock",
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fix(fixer) {
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return fixer.replaceText(firstComment, convertToBlock(firstComment, commentLines));
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}
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});
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}
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};
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return { Program() {
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return sourceCode.getAllComments().filter((comment) => {
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if (isHashbangComment(comment) || COMMENTS_IGNORE_PATTERN.test(comment.value)) return false;
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const tokenBefore = sourceCode.getTokenBefore(comment, { includeComments: true });
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return !tokenBefore || tokenBefore.loc.end.line < comment.loc.start.line;
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}).reduce((commentGroups, comment, index, commentList) => {
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const tokenBefore = sourceCode.getTokenBefore(comment, { includeComments: true });
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if (comment.type === "Line" && index && commentList[index - 1].type === "Line" && tokenBefore && tokenBefore.loc.end.line === comment.loc.start.line - 1 && tokenBefore === commentList[index - 1]) commentGroups.at(-1).push(comment);
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else commentGroups.push([comment]);
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return commentGroups;
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}, []).forEach((commentGroup) => {
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if (commentGroup.length === 1 && isSingleLine(commentGroup[0])) return;
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const check = commentGroupCheckers[style];
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check(commentGroup);
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});
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} };
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}
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});
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export { multiline_comment_style_default as t };
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