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rules
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utils/
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accessor-pairs.js
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complexity.js
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consistent-return.js
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getter-return.js
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global-require.js
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init-declarations.js
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jsx-quotes.js
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key-spacing.js
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keyword-spacing.js
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line-comment-position.js
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new-cap.js
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new-parens.js
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no-else-return.js
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no-empty.js
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no-eval.js
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no-ex-assign.js
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no-fallthrough.js
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no-implicit-coercion.js
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no-invalid-regexp.js
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no-invalid-this.js
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no-irregular-whitespace.js
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no-iterator.js
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no-label-var.js
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no-labels.js
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no-lone-blocks.js
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no-magic-numbers.js
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no-misleading-character-class.js
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no-mixed-operators.js
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no-new.js
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no-with.js
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object-curly-newline.js
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object-curly-spacing.js
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object-property-newline.js
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object-shorthand.js
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one-var.js
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operator-assignment.js
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operator-linebreak.js
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padded-blocks.js
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preserve-caught-error.js
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quote-props.js
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quotes.js
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radix.js
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yoda.js
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Edit:
/home/techb158/balavpn.abdallabala.com/node_modules/eslint/lib/rules/quotes.js
(10934B)
/** * @fileoverview A rule to choose between single and double quote marks * @author Matt DuVall <http://www.mattduvall.com/>, Brandon Payton * @deprecated in ESLint v8.53.0 */ "use strict"; //------------------------------------------------------------------------------ // Requirements //------------------------------------------------------------------------------ const astUtils = require("./utils/ast-utils"); //------------------------------------------------------------------------------ // Constants //------------------------------------------------------------------------------ const QUOTE_SETTINGS = { double: { quote: '"', alternateQuote: "'", description: "doublequote", }, single: { quote: "'", alternateQuote: '"', description: "singlequote", }, backtick: { quote: "`", alternateQuote: '"', description: "backtick", }, }; // An unescaped newline is a newline preceded by an even number of backslashes. const UNESCAPED_LINEBREAK_PATTERN = new RegExp( String.raw`(^|[^\\])(\\\\)*[${Array.from(astUtils.LINEBREAKS).join("")}]`, "u", ); /** * Switches quoting of javascript string between ' " and ` * escaping and unescaping as necessary. * Only escaping of the minimal set of characters is changed. * Note: escaping of newlines when switching from backtick to other quotes is not handled. * @param {string} str A string to convert. * @returns {string} The string with changed quotes. * @private */ QUOTE_SETTINGS.double.convert = QUOTE_SETTINGS.single.convert = QUOTE_SETTINGS.backtick.convert = function (str) { const newQuote = this.quote; const oldQuote = str[0]; if (newQuote === oldQuote) { return str; } return ( newQuote + str .slice(1, -1) .replace( /\\(\$\{|\r\n?|\n|.)|["'`]|\$\{|(\r\n?|\n)/gu, (match, escaped, newline) => { if ( escaped === oldQuote || (oldQuote === "`" && escaped === "${") ) { return escaped; // unescape } if ( match === newQuote || (newQuote === "`" && match === "${") ) { return `\\${match}`; // escape } if (newline && oldQuote === "`") { return "\\n"; // escape newlines } return match; }, ) + newQuote ); }; const AVOID_ESCAPE = "avoid-escape"; //------------------------------------------------------------------------------ // Rule Definition //------------------------------------------------------------------------------ /** @type {import('../types').Rule.RuleModule} */ module.exports = { meta: { deprecated: { message: "Formatting rules are being moved out of ESLint core.", url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", deprecatedSince: "8.53.0", availableUntil: "11.0.0", replacedBy: [ { message: "ESLint Stylistic now maintains deprecated stylistic core rules.", url: "https://eslint.style/guide/migration", plugin: { name: "@stylistic/eslint-plugin", url: "https://eslint.style", }, rule: { name: "quotes", url: "https://eslint.style/rules/quotes", }, }, ], }, type: "layout", docs: { description: "Enforce the consistent use of either backticks, double, or single quotes", recommended: false, url: "https://eslint.org/docs/latest/rules/quotes", }, fixable: "code", schema: [ { enum: ["single", "double", "backtick"], }, { anyOf: [ { enum: ["avoid-escape"], }, { type: "object", properties: { avoidEscape: { type: "boolean", }, allowTemplateLiterals: { type: "boolean", }, }, additionalProperties: false, }, ], }, ], messages: { wrongQuotes: "Strings must use {{description}}.", }, }, create(context) { const quoteOption = context.options[0], settings = QUOTE_SETTINGS[quoteOption || "double"], options = context.options[1], allowTemplateLiterals = options && options.allowTemplateLiterals === true, sourceCode = context.sourceCode; let avoidEscape = options && options.avoidEscape === true; // deprecated if (options === AVOID_ESCAPE) { avoidEscape = true; } /** * Determines if a given node is part of JSX syntax. * * This function returns `true` in the following cases: * * - `<div className="foo"></div>` ... If the literal is an attribute value, the parent of the literal is `JSXAttribute`. * - `<div>foo</div>` ... If the literal is a text content, the parent of the literal is `JSXElement`. * - `<>foo</>` ... If the literal is a text content, the parent of the literal is `JSXFragment`. * * In particular, this function returns `false` in the following cases: * * - `<div className={"foo"}></div>` * - `<div>{"foo"}</div>` * * In both cases, inside of the braces is handled as normal JavaScript. * The braces are `JSXExpressionContainer` nodes. * @param {ASTNode} node The Literal node to check. * @returns {boolean} True if the node is a part of JSX, false if not. * @private */ function isJSXLiteral(node) { return ( node.parent.type === "JSXAttribute" || node.parent.type === "JSXElement" || node.parent.type === "JSXFragment" ); } /** * Checks whether or not a given node is a directive. * The directive is a `ExpressionStatement` which has only a string literal not surrounded by * parentheses. * @param {ASTNode} node A node to check. * @returns {boolean} Whether or not the node is a directive. * @private */ function isDirective(node) { return ( node.type === "ExpressionStatement" && node.expression.type === "Literal" && typeof node.expression.value === "string" && !astUtils.isParenthesised(sourceCode, node.expression) ); } /** * Checks whether a specified node is either part of, or immediately follows a (possibly empty) directive prologue. * @see {@link http://www.ecma-international.org/ecma-262/6.0/#sec-directive-prologues-and-the-use-strict-directive} * @param {ASTNode} node A node to check. * @returns {boolean} Whether a specified node is either part of, or immediately follows a (possibly empty) directive prologue. * @private */ function isExpressionInOrJustAfterDirectivePrologue(node) { if (!astUtils.isTopLevelExpressionStatement(node.parent)) { return false; } const block = node.parent.parent; // Check the node is at a prologue. for (let i = 0; i < block.body.length; ++i) { const statement = block.body[i]; if (statement === node.parent) { return true; } if (!isDirective(statement)) { break; } } return false; } /** * Checks whether or not a given node is allowed as non backtick. * @param {ASTNode} node A node to check. * @returns {boolean} Whether or not the node is allowed as non backtick. * @private */ function isAllowedAsNonBacktick(node) { const parent = node.parent; switch (parent.type) { // Directive Prologues. case "ExpressionStatement": return ( !astUtils.isParenthesised(sourceCode, node) && isExpressionInOrJustAfterDirectivePrologue(node) ); // LiteralPropertyName. case "Property": case "PropertyDefinition": case "MethodDefinition": return parent.key === node && !parent.computed; // ModuleSpecifier. case "ImportDeclaration": case "ExportNamedDeclaration": return parent.source === node; // ModuleExportName or ModuleSpecifier. case "ExportAllDeclaration": return parent.exported === node || parent.source === node; // ModuleExportName. case "ImportSpecifier": return parent.imported === node; // ModuleExportName. case "ExportSpecifier": return parent.local === node || parent.exported === node; // Others don't allow. default: return false; } } /** * Checks whether or not a given TemplateLiteral node is actually using any of the special features provided by template literal strings. * @param {ASTNode} node A TemplateLiteral node to check. * @returns {boolean} Whether or not the TemplateLiteral node is using any of the special features provided by template literal strings. * @private */ function isUsingFeatureOfTemplateLiteral(node) { const hasTag = node.parent.type === "TaggedTemplateExpression" && node === node.parent.quasi; if (hasTag) { return true; } const hasStringInterpolation = node.expressions.length > 0; if (hasStringInterpolation) { return true; } const isMultilineString = node.quasis.length >= 1 && UNESCAPED_LINEBREAK_PATTERN.test(node.quasis[0].value.raw); if (isMultilineString) { return true; } return false; } return { Literal(node) { const val = node.value, rawVal = node.raw; if (settings && typeof val === "string") { let isValid = (quoteOption === "backtick" && isAllowedAsNonBacktick(node)) || isJSXLiteral(node) || astUtils.isSurroundedBy(rawVal, settings.quote); if (!isValid && avoidEscape) { isValid = astUtils.isSurroundedBy( rawVal, settings.alternateQuote, ) && rawVal.includes(settings.quote); } if (!isValid) { context.report({ node, messageId: "wrongQuotes", data: { description: settings.description, }, fix(fixer) { if ( quoteOption === "backtick" && astUtils.hasOctalOrNonOctalDecimalEscapeSequence( rawVal, ) ) { /* * An octal or non-octal decimal escape sequence in a template literal would * produce syntax error, even in non-strict mode. */ return null; } return fixer.replaceText( node, settings.convert(node.raw), ); }, }); } } }, TemplateLiteral(node) { // Don't throw an error if backticks are expected or a template literal feature is in use. if ( allowTemplateLiterals || quoteOption === "backtick" || isUsingFeatureOfTemplateLiteral(node) ) { return; } context.report({ node, messageId: "wrongQuotes", data: { description: settings.description, }, fix(fixer) { if ( astUtils.isTopLevelExpressionStatement( node.parent, ) && !astUtils.isParenthesised(sourceCode, node) ) { /* * TemplateLiterals aren't actually directives, but fixing them might turn * them into directives and change the behavior of the code. */ return null; } return fixer.replaceText( node, settings.convert(sourceCode.getText(node)), ); }, }); }, }; }, };
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