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https://github.com/joelwmale/webhook-action.git
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307 lines
11 KiB
JavaScript
307 lines
11 KiB
JavaScript
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/**
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* @fileoverview Rule to require or disallow line breaks inside braces.
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* @author Toru Nagashima
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Requirements
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//------------------------------------------------------------------------------
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const astUtils = require("./utils/ast-utils");
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const lodash = require("lodash");
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//------------------------------------------------------------------------------
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// Helpers
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//------------------------------------------------------------------------------
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// Schema objects.
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const OPTION_VALUE = {
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oneOf: [
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{
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enum: ["always", "never"]
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},
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{
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type: "object",
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properties: {
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multiline: {
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type: "boolean"
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},
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minProperties: {
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type: "integer",
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minimum: 0
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},
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consistent: {
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type: "boolean"
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}
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},
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additionalProperties: false,
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minProperties: 1
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}
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]
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};
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/**
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* Normalizes a given option value.
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* @param {string|Object|undefined} value An option value to parse.
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* @returns {{multiline: boolean, minProperties: number, consistent: boolean}} Normalized option object.
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*/
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function normalizeOptionValue(value) {
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let multiline = false;
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let minProperties = Number.POSITIVE_INFINITY;
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let consistent = false;
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if (value) {
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if (value === "always") {
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minProperties = 0;
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} else if (value === "never") {
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minProperties = Number.POSITIVE_INFINITY;
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} else {
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multiline = Boolean(value.multiline);
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minProperties = value.minProperties || Number.POSITIVE_INFINITY;
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consistent = Boolean(value.consistent);
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}
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} else {
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consistent = true;
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}
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return { multiline, minProperties, consistent };
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}
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/**
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* Normalizes a given option value.
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* @param {string|Object|undefined} options An option value to parse.
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* @returns {{
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* ObjectExpression: {multiline: boolean, minProperties: number, consistent: boolean},
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* ObjectPattern: {multiline: boolean, minProperties: number, consistent: boolean},
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* ImportDeclaration: {multiline: boolean, minProperties: number, consistent: boolean},
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* ExportNamedDeclaration : {multiline: boolean, minProperties: number, consistent: boolean}
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* }} Normalized option object.
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*/
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function normalizeOptions(options) {
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const isNodeSpecificOption = lodash.overSome([lodash.isPlainObject, lodash.isString]);
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if (lodash.isPlainObject(options) && lodash.some(options, isNodeSpecificOption)) {
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return {
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ObjectExpression: normalizeOptionValue(options.ObjectExpression),
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ObjectPattern: normalizeOptionValue(options.ObjectPattern),
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ImportDeclaration: normalizeOptionValue(options.ImportDeclaration),
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ExportNamedDeclaration: normalizeOptionValue(options.ExportDeclaration)
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};
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}
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const value = normalizeOptionValue(options);
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return { ObjectExpression: value, ObjectPattern: value, ImportDeclaration: value, ExportNamedDeclaration: value };
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}
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/**
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* Determines if ObjectExpression, ObjectPattern, ImportDeclaration or ExportNamedDeclaration
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* node needs to be checked for missing line breaks
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* @param {ASTNode} node Node under inspection
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* @param {Object} options option specific to node type
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* @param {Token} first First object property
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* @param {Token} last Last object property
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* @returns {boolean} `true` if node needs to be checked for missing line breaks
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*/
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function areLineBreaksRequired(node, options, first, last) {
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let objectProperties;
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if (node.type === "ObjectExpression" || node.type === "ObjectPattern") {
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objectProperties = node.properties;
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} else {
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// is ImportDeclaration or ExportNamedDeclaration
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objectProperties = node.specifiers
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.filter(s => s.type === "ImportSpecifier" || s.type === "ExportSpecifier");
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}
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return objectProperties.length >= options.minProperties ||
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(
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options.multiline &&
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objectProperties.length > 0 &&
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first.loc.start.line !== last.loc.end.line
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);
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}
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//------------------------------------------------------------------------------
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// Rule Definition
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//------------------------------------------------------------------------------
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module.exports = {
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meta: {
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type: "layout",
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docs: {
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description: "enforce consistent line breaks inside braces",
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category: "Stylistic Issues",
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recommended: false,
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url: "https://eslint.org/docs/rules/object-curly-newline"
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},
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fixable: "whitespace",
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schema: [
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{
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oneOf: [
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OPTION_VALUE,
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{
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type: "object",
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properties: {
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ObjectExpression: OPTION_VALUE,
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ObjectPattern: OPTION_VALUE,
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ImportDeclaration: OPTION_VALUE,
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ExportDeclaration: OPTION_VALUE
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},
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additionalProperties: false,
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minProperties: 1
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}
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]
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}
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],
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messages: {
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unexpectedLinebreakBeforeClosingBrace: "Unexpected line break before this closing brace.",
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unexpectedLinebreakAfterOpeningBrace: "Unexpected line break after this opening brace.",
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expectedLinebreakBeforeClosingBrace: "Expected a line break before this closing brace.",
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expectedLinebreakAfterOpeningBrace: "Expected a line break after this opening brace."
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}
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},
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create(context) {
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const sourceCode = context.getSourceCode();
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const normalizedOptions = normalizeOptions(context.options[0]);
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/**
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* Reports a given node if it violated this rule.
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* @param {ASTNode} node A node to check. This is an ObjectExpression, ObjectPattern, ImportDeclaration or ExportNamedDeclaration node.
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* @returns {void}
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*/
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function check(node) {
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const options = normalizedOptions[node.type];
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if (
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(node.type === "ImportDeclaration" &&
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!node.specifiers.some(specifier => specifier.type === "ImportSpecifier")) ||
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(node.type === "ExportNamedDeclaration" &&
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!node.specifiers.some(specifier => specifier.type === "ExportSpecifier"))
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) {
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return;
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}
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const openBrace = sourceCode.getFirstToken(node, token => token.value === "{");
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let closeBrace;
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if (node.typeAnnotation) {
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closeBrace = sourceCode.getTokenBefore(node.typeAnnotation);
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} else {
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closeBrace = sourceCode.getLastToken(node, token => token.value === "}");
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}
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let first = sourceCode.getTokenAfter(openBrace, { includeComments: true });
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let last = sourceCode.getTokenBefore(closeBrace, { includeComments: true });
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const needsLineBreaks = areLineBreaksRequired(node, options, first, last);
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const hasCommentsFirstToken = astUtils.isCommentToken(first);
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const hasCommentsLastToken = astUtils.isCommentToken(last);
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/*
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* Use tokens or comments to check multiline or not.
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* But use only tokens to check whether line breaks are needed.
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* This allows:
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* var obj = { // eslint-disable-line foo
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* a: 1
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* }
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*/
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first = sourceCode.getTokenAfter(openBrace);
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last = sourceCode.getTokenBefore(closeBrace);
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if (needsLineBreaks) {
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if (astUtils.isTokenOnSameLine(openBrace, first)) {
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context.report({
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messageId: "expectedLinebreakAfterOpeningBrace",
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node,
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loc: openBrace.loc,
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fix(fixer) {
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if (hasCommentsFirstToken) {
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return null;
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}
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return fixer.insertTextAfter(openBrace, "\n");
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}
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});
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}
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if (astUtils.isTokenOnSameLine(last, closeBrace)) {
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context.report({
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messageId: "expectedLinebreakBeforeClosingBrace",
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node,
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loc: closeBrace.loc,
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fix(fixer) {
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if (hasCommentsLastToken) {
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return null;
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}
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return fixer.insertTextBefore(closeBrace, "\n");
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}
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});
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}
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} else {
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const consistent = options.consistent;
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const hasLineBreakBetweenOpenBraceAndFirst = !astUtils.isTokenOnSameLine(openBrace, first);
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const hasLineBreakBetweenCloseBraceAndLast = !astUtils.isTokenOnSameLine(last, closeBrace);
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if (
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(!consistent && hasLineBreakBetweenOpenBraceAndFirst) ||
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(consistent && hasLineBreakBetweenOpenBraceAndFirst && !hasLineBreakBetweenCloseBraceAndLast)
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) {
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context.report({
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messageId: "unexpectedLinebreakAfterOpeningBrace",
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node,
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loc: openBrace.loc,
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fix(fixer) {
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if (hasCommentsFirstToken) {
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return null;
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}
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return fixer.removeRange([
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openBrace.range[1],
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first.range[0]
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]);
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}
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});
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}
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if (
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(!consistent && hasLineBreakBetweenCloseBraceAndLast) ||
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(consistent && !hasLineBreakBetweenOpenBraceAndFirst && hasLineBreakBetweenCloseBraceAndLast)
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) {
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context.report({
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messageId: "unexpectedLinebreakBeforeClosingBrace",
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node,
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loc: closeBrace.loc,
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fix(fixer) {
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if (hasCommentsLastToken) {
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return null;
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}
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return fixer.removeRange([
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last.range[1],
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closeBrace.range[0]
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]);
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}
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});
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}
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}
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}
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return {
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ObjectExpression: check,
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ObjectPattern: check,
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ImportDeclaration: check,
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ExportNamedDeclaration: check
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};
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}
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};
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