forked from zhurui/management
1546 lines
55 KiB
JavaScript
1546 lines
55 KiB
JavaScript
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/**
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* @author Toru Nagashima <https://github.com/mysticatea>
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* See LICENSE file in root directory for full license.
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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 assert = require('assert')
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// ------------------------------------------------------------------------------
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// Helpers
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// ------------------------------------------------------------------------------
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const KNOWN_NODES = new Set(['ArrayExpression', 'ArrayPattern', 'ArrowFunctionExpression', 'AssignmentExpression', 'AssignmentPattern', 'AwaitExpression', 'BinaryExpression', 'BlockStatement', 'BreakStatement', 'CallExpression', 'CatchClause', 'ClassBody', 'ClassDeclaration', 'ClassExpression', 'ConditionalExpression', 'ContinueStatement', 'DebuggerStatement', 'DoWhileStatement', 'EmptyStatement', 'ExperimentalRestProperty', 'ExperimentalSpreadProperty', 'ExportAllDeclaration', 'ExportDefaultDeclaration', 'ExportNamedDeclaration', 'ExportSpecifier', 'ExpressionStatement', 'ForInStatement', 'ForOfStatement', 'ForStatement', 'FunctionDeclaration', 'FunctionExpression', 'Identifier', 'IfStatement', 'ImportDeclaration', 'ImportDefaultSpecifier', 'ImportNamespaceSpecifier', 'ImportSpecifier', 'LabeledStatement', 'Literal', 'LogicalExpression', 'MemberExpression', 'MetaProperty', 'MethodDefinition', 'NewExpression', 'ObjectExpression', 'ObjectPattern', 'Program', 'Property', 'RestElement', 'ReturnStatement', 'SequenceExpression', 'SpreadElement', 'Super', 'SwitchCase', 'SwitchStatement', 'TaggedTemplateExpression', 'TemplateElement', 'TemplateLiteral', 'ThisExpression', 'ThrowStatement', 'TryStatement', 'UnaryExpression', 'UpdateExpression', 'VariableDeclaration', 'VariableDeclarator', 'WhileStatement', 'WithStatement', 'YieldExpression', 'VAttribute', 'VDirectiveKey', 'VDocumentFragment', 'VElement', 'VEndTag', 'VExpressionContainer', 'VForExpression', 'VIdentifier', 'VLiteral', 'VOnExpression', 'VStartTag', 'VText'])
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const LT_CHAR = /[\r\n\u2028\u2029]/
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const LINES = /[^\r\n\u2028\u2029]+(?:$|\r\n|[\r\n\u2028\u2029])/g
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const BLOCK_COMMENT_PREFIX = /^\s*\*/
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const TRIVIAL_PUNCTUATOR = /^[(){}[\],;]$/
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/**
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* Normalize options.
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* @param {number|"tab"|undefined} type The type of indentation.
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* @param {Object} options Other options.
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* @param {Object} defaultOptions The default value of options.
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* @returns {{indentChar:" "|"\t",indentSize:number,baseIndent:number,attribute:number,closeBracket:number,switchCase:number,alignAttributesVertically:boolean,ignores:string[]}} Normalized options.
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*/
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function parseOptions (type, options, defaultOptions) {
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const ret = Object.assign({
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indentChar: ' ',
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indentSize: 2,
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baseIndent: 0,
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attribute: 1,
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closeBracket: 0,
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switchCase: 0,
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alignAttributesVertically: true,
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ignores: []
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}, defaultOptions)
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if (Number.isSafeInteger(type)) {
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ret.indentSize = type
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} else if (type === 'tab') {
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ret.indentChar = '\t'
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ret.indentSize = 1
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}
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if (Number.isSafeInteger(options.baseIndent)) {
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ret.baseIndent = options.baseIndent
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}
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if (Number.isSafeInteger(options.attribute)) {
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ret.attribute = options.attribute
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}
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if (Number.isSafeInteger(options.closeBracket)) {
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ret.closeBracket = options.closeBracket
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}
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if (Number.isSafeInteger(options.switchCase)) {
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ret.switchCase = options.switchCase
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}
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if (options.alignAttributesVertically != null) {
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ret.alignAttributesVertically = options.alignAttributesVertically
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}
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if (options.ignores != null) {
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ret.ignores = options.ignores
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}
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return ret
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}
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/**
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* Check whether the given token is an arrow.
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* @param {Token} token The token to check.
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* @returns {boolean} `true` if the token is an arrow.
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*/
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function isArrow (token) {
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return token != null && token.type === 'Punctuator' && token.value === '=>'
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}
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/**
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* Check whether the given token is a left parenthesis.
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* @param {Token} token The token to check.
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* @returns {boolean} `true` if the token is a left parenthesis.
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*/
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function isLeftParen (token) {
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return token != null && token.type === 'Punctuator' && token.value === '('
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}
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/**
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* Check whether the given token is a left parenthesis.
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* @param {Token} token The token to check.
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* @returns {boolean} `false` if the token is a left parenthesis.
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*/
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function isNotLeftParen (token) {
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return token != null && (token.type !== 'Punctuator' || token.value !== '(')
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}
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/**
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* Check whether the given token is a right parenthesis.
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* @param {Token} token The token to check.
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* @returns {boolean} `true` if the token is a right parenthesis.
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*/
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function isRightParen (token) {
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return token != null && token.type === 'Punctuator' && token.value === ')'
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}
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/**
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* Check whether the given token is a right parenthesis.
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* @param {Token} token The token to check.
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* @returns {boolean} `false` if the token is a right parenthesis.
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*/
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function isNotRightParen (token) {
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return token != null && (token.type !== 'Punctuator' || token.value !== ')')
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}
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/**
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* Check whether the given token is a left brace.
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* @param {Token} token The token to check.
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* @returns {boolean} `true` if the token is a left brace.
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*/
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function isLeftBrace (token) {
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return token != null && token.type === 'Punctuator' && token.value === '{'
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}
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/**
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* Check whether the given token is a right brace.
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* @param {Token} token The token to check.
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* @returns {boolean} `true` if the token is a right brace.
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*/
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function isRightBrace (token) {
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return token != null && token.type === 'Punctuator' && token.value === '}'
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}
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/**
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* Check whether the given token is a left bracket.
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* @param {Token} token The token to check.
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* @returns {boolean} `true` if the token is a left bracket.
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*/
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function isLeftBracket (token) {
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return token != null && token.type === 'Punctuator' && token.value === '['
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}
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/**
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* Check whether the given token is a right bracket.
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* @param {Token} token The token to check.
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* @returns {boolean} `true` if the token is a right bracket.
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*/
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function isRightBracket (token) {
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return token != null && token.type === 'Punctuator' && token.value === ']'
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}
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/**
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* Check whether the given token is a semicolon.
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* @param {Token} token The token to check.
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* @returns {boolean} `true` if the token is a semicolon.
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*/
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function isSemicolon (token) {
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return token != null && token.type === 'Punctuator' && token.value === ';'
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}
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/**
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* Check whether the given token is a comma.
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* @param {Token} token The token to check.
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* @returns {boolean} `true` if the token is a comma.
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*/
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function isComma (token) {
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return token != null && token.type === 'Punctuator' && token.value === ','
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}
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/**
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* Check whether the given token is a whitespace.
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* @param {Token} token The token to check.
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* @returns {boolean} `true` if the token is a whitespace.
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*/
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function isNotWhitespace (token) {
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return token != null && token.type !== 'HTMLWhitespace'
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}
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/**
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* Check whether the given token is a comment.
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* @param {Token} token The token to check.
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* @returns {boolean} `true` if the token is a comment.
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*/
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function isComment (token) {
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return token != null && (token.type === 'Block' || token.type === 'Line' || token.type === 'Shebang' || token.type.endsWith('Comment'))
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}
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/**
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* Check whether the given token is a comment.
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* @param {Token} token The token to check.
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* @returns {boolean} `false` if the token is a comment.
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*/
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function isNotComment (token) {
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return token != null && token.type !== 'Block' && token.type !== 'Line' && token.type !== 'Shebang' && !token.type.endsWith('Comment')
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}
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/**
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* Get the last element.
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* @param {Array} xs The array to get the last element.
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* @returns {any|undefined} The last element or undefined.
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*/
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function last (xs) {
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return xs.length === 0 ? undefined : xs[xs.length - 1]
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}
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/**
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* Check whether the node is at the beginning of line.
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* @param {Node} node The node to check.
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* @param {number} index The index of the node in the nodes.
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* @param {Node[]} nodes The array of nodes.
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* @returns {boolean} `true` if the node is at the beginning of line.
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*/
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function isBeginningOfLine (node, index, nodes) {
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if (node != null) {
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for (let i = index - 1; i >= 0; --i) {
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const prevNode = nodes[i]
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if (prevNode == null) {
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continue
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}
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return node.loc.start.line !== prevNode.loc.end.line
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}
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}
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return false
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}
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/**
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* Check whether a given token is a closing token which triggers unindent.
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* @param {Token} token The token to check.
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* @returns {boolean} `true` if the token is a closing token.
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*/
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function isClosingToken (token) {
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return token != null && (
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token.type === 'HTMLEndTagOpen' ||
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token.type === 'VExpressionEnd' ||
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(
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token.type === 'Punctuator' &&
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(
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token.value === ')' ||
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token.value === '}' ||
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token.value === ']'
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)
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)
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)
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}
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/**
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* Check whether a given token is trivial or not.
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* @param {Token} token The token to check.
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* @returns {boolean} `true` if the token is trivial.
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*/
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function isTrivialToken (token) {
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return token != null && (
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(token.type === 'Punctuator' && TRIVIAL_PUNCTUATOR.test(token.value)) ||
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token.type === 'HTMLTagOpen' ||
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token.type === 'HTMLEndTagOpen' ||
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token.type === 'HTMLTagClose' ||
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token.type === 'HTMLSelfClosingTagClose'
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)
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}
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/**
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* Creates AST event handlers for html-indent.
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*
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* @param {RuleContext} context The rule context.
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* @param {TokenStore} tokenStore The token store object to get tokens.
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* @param {Object} defaultOptions The default value of options.
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* @returns {object} AST event handlers.
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*/
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module.exports.defineVisitor = function create (context, tokenStore, defaultOptions) {
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const options = parseOptions(context.options[0], context.options[1] || {}, defaultOptions)
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const sourceCode = context.getSourceCode()
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const offsets = new Map()
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/**
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* Set offset to the given tokens.
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* @param {Token|Token[]} token The token to set.
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* @param {number} offset The offset of the tokens.
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* @param {Token} baseToken The token of the base offset.
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* @param {boolean} [trivial=false] The flag for trivial tokens.
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* @returns {void}
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*/
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function setOffset (token, offset, baseToken) {
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assert(baseToken != null, "'baseToken' should not be null or undefined.")
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if (Array.isArray(token)) {
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for (const t of token) {
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offsets.set(t, {
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baseToken,
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offset,
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baseline: false,
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expectedIndent: undefined
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})
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}
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} else {
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offsets.set(token, {
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baseToken,
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offset,
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baseline: false,
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expectedIndent: undefined
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})
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}
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}
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/**
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* Set baseline flag to the given token.
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* @param {Token} token The token to set.
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* @returns {void}
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*/
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function setBaseline (token, hardTabAdditional) {
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const offsetInfo = offsets.get(token)
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if (offsetInfo != null) {
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offsetInfo.baseline = true
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}
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}
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/**
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* Get the first and last tokens of the given node.
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* If the node is parenthesized, this gets the outermost parentheses.
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* @param {Node} node The node to get.
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* @param {number} [borderOffset] The least offset of the first token. Defailt is 0. This value is used to prevent false positive in the following case: `(a) => {}` The parentheses are enclosing the whole parameter part rather than the first parameter, but this offset parameter is needed to distinguish.
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* @returns {{firstToken:Token,lastToken:Token}} The gotten tokens.
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*/
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function getFirstAndLastTokens (node, borderOffset) {
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borderOffset |= 0
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let firstToken = tokenStore.getFirstToken(node)
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let lastToken = tokenStore.getLastToken(node)
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// Get the outermost left parenthesis if it's parenthesized.
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let t, u
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while ((t = tokenStore.getTokenBefore(firstToken)) != null && (u = tokenStore.getTokenAfter(lastToken)) != null && isLeftParen(t) && isRightParen(u) && t.range[0] >= borderOffset) {
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firstToken = t
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lastToken = u
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}
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return { firstToken, lastToken }
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}
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/**
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* Process the given node list.
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* The first node is offsetted from the given left token.
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* Rest nodes are adjusted to the first node.
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* @param {Node[]} nodeList The node to process.
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* @param {Node|null} leftToken The left parenthesis token.
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* @param {Node|null} rightToken The right parenthesis token.
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* @param {number} offset The offset to set.
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* @param {Node} [alignVertically=true] The flag to align vertically. If `false`, this doesn't align vertically even if the first node is not at beginning of line.
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* @returns {void}
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*/
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function processNodeList (nodeList, leftToken, rightToken, offset, alignVertically) {
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let t
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if (nodeList.length >= 1) {
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let lastToken = leftToken
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const alignTokens = []
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for (let i = 0; i < nodeList.length; ++i) {
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const node = nodeList[i]
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if (node == null) {
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// Holes of an array.
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continue
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}
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const elementTokens = getFirstAndLastTokens(node, lastToken != null ? lastToken.range[1] : 0)
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// Collect related tokens.
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// Commas between this and the previous, and the first token of this node.
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if (lastToken != null) {
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t = lastToken
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while ((t = tokenStore.getTokenAfter(t)) != null && t.range[1] <= elementTokens.firstToken.range[0]) {
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alignTokens.push(t)
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}
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}
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alignTokens.push(elementTokens.firstToken)
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// Save the last token to find tokens between the next token.
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lastToken = elementTokens.lastToken
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}
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// Check trailing commas.
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if (rightToken != null && lastToken != null) {
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t = lastToken
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while ((t = tokenStore.getTokenAfter(t)) != null && t.range[1] <= rightToken.range[0]) {
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alignTokens.push(t)
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}
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}
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// Set offsets.
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const baseToken = alignTokens.shift()
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if (baseToken != null) {
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// Set offset to the first token.
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if (leftToken != null) {
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setOffset(baseToken, offset, leftToken)
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}
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// Set baseline.
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||
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if (nodeList.some(isBeginningOfLine)) {
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setBaseline(baseToken)
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}
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if (alignVertically === false) {
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// Align tokens relatively to the left token.
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setOffset(alignTokens, offset, leftToken)
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} else {
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// Align the rest tokens to the first token.
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setOffset(alignTokens, 0, baseToken)
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}
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}
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}
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if (rightToken != null) {
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setOffset(rightToken, 0, leftToken)
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}
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}
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||
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/**
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* Process the given node as body.
|
||
|
* The body node maybe a block statement or an expression node.
|
||
|
* @param {Node} node The body node to process.
|
||
|
* @param {Token} baseToken The base token.
|
||
|
* @returns {void}
|
||
|
*/
|
||
|
function processMaybeBlock (node, baseToken) {
|
||
|
const firstToken = getFirstAndLastTokens(node).firstToken
|
||
|
setOffset(firstToken, isLeftBrace(firstToken) ? 0 : 1, baseToken)
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Collect prefix tokens of the given property.
|
||
|
* The prefix includes `async`, `get`, `set`, `static`, and `*`.
|
||
|
* @param {Property|MethodDefinition} node The property node to collect prefix tokens.
|
||
|
*/
|
||
|
function getPrefixTokens (node) {
|
||
|
const prefixes = []
|
||
|
|
||
|
let token = tokenStore.getFirstToken(node)
|
||
|
while (token != null && token.range[1] <= node.key.range[0]) {
|
||
|
prefixes.push(token)
|
||
|
token = tokenStore.getTokenAfter(token)
|
||
|
}
|
||
|
while (isLeftParen(last(prefixes)) || isLeftBracket(last(prefixes))) {
|
||
|
prefixes.pop()
|
||
|
}
|
||
|
|
||
|
return prefixes
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Find the head of chaining nodes.
|
||
|
* @param {Node} node The start node to find the head.
|
||
|
* @returns {Token} The head token of the chain.
|
||
|
*/
|
||
|
function getChainHeadToken (node) {
|
||
|
const type = node.type
|
||
|
while (node.parent.type === type) {
|
||
|
node = node.parent
|
||
|
}
|
||
|
return tokenStore.getFirstToken(node)
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Check whether a given token is the first token of:
|
||
|
*
|
||
|
* - ExpressionStatement
|
||
|
* - VExpressionContainer
|
||
|
* - A parameter of CallExpression/NewExpression
|
||
|
* - An element of ArrayExpression
|
||
|
* - An expression of SequenceExpression
|
||
|
*
|
||
|
* @param {Token} token The token to check.
|
||
|
* @param {Node} belongingNode The node that the token is belonging to.
|
||
|
* @returns {boolean} `true` if the token is the first token of an element.
|
||
|
*/
|
||
|
function isBeginningOfElement (token, belongingNode) {
|
||
|
let node = belongingNode
|
||
|
|
||
|
while (node != null) {
|
||
|
const parent = node.parent
|
||
|
const t = parent && parent.type
|
||
|
if (t != null && (t.endsWith('Statement') || t.endsWith('Declaration'))) {
|
||
|
return parent.range[0] === token.range[0]
|
||
|
}
|
||
|
if (t === 'VExpressionContainer') {
|
||
|
return node.range[0] === token.range[0]
|
||
|
}
|
||
|
if (t === 'CallExpression' || t === 'NewExpression') {
|
||
|
const openParen = tokenStore.getTokenAfter(parent.callee, isNotRightParen)
|
||
|
return parent.arguments.some(param =>
|
||
|
getFirstAndLastTokens(param, openParen.range[1]).firstToken.range[0] === token.range[0]
|
||
|
)
|
||
|
}
|
||
|
if (t === 'ArrayExpression') {
|
||
|
return parent.elements.some(element =>
|
||
|
element != null &&
|
||
|
getFirstAndLastTokens(element).firstToken.range[0] === token.range[0]
|
||
|
)
|
||
|
}
|
||
|
if (t === 'SequenceExpression') {
|
||
|
return parent.expressions.some(expr =>
|
||
|
getFirstAndLastTokens(expr).firstToken.range[0] === token.range[0]
|
||
|
)
|
||
|
}
|
||
|
|
||
|
node = parent
|
||
|
}
|
||
|
|
||
|
return false
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Set the base indentation to a given top-level AST node.
|
||
|
* @param {Node} node The node to set.
|
||
|
* @param {number} expectedIndent The number of expected indent.
|
||
|
* @returns {void}
|
||
|
*/
|
||
|
function processTopLevelNode (node, expectedIndent) {
|
||
|
const token = tokenStore.getFirstToken(node)
|
||
|
const offsetInfo = offsets.get(token)
|
||
|
if (offsetInfo != null) {
|
||
|
offsetInfo.expectedIndent = expectedIndent
|
||
|
} else {
|
||
|
offsets.set(token, { baseToken: null, offset: 0, baseline: false, expectedIndent })
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Ignore all tokens of the given node.
|
||
|
* @param {Node} node The node to ignore.
|
||
|
* @returns {void}
|
||
|
*/
|
||
|
function ignore (node) {
|
||
|
for (const token of tokenStore.getTokens(node)) {
|
||
|
offsets.delete(token)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Define functions to ignore nodes into the given visitor.
|
||
|
* @param {Object} visitor The visitor to define functions to ignore nodes.
|
||
|
* @returns {Object} The visitor.
|
||
|
*/
|
||
|
function processIgnores (visitor) {
|
||
|
for (const ignorePattern of options.ignores) {
|
||
|
const key = `${ignorePattern}:exit`
|
||
|
|
||
|
if (visitor.hasOwnProperty(key)) {
|
||
|
const handler = visitor[key]
|
||
|
visitor[key] = function (node) {
|
||
|
const ret = handler.apply(this, arguments)
|
||
|
ignore(node)
|
||
|
return ret
|
||
|
}
|
||
|
} else {
|
||
|
visitor[key] = ignore
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return visitor
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Calculate correct indentation of the line of the given tokens.
|
||
|
* @param {Token[]} tokens Tokens which are on the same line.
|
||
|
* @returns {number} Correct indentation. If it failed to calculate then `Number.MAX_SAFE_INTEGER`.
|
||
|
*/
|
||
|
function getExpectedIndent (tokens) {
|
||
|
const trivial = isTrivialToken(tokens[0])
|
||
|
let expectedIndent = Number.MAX_SAFE_INTEGER
|
||
|
|
||
|
for (let i = 0; i < tokens.length; ++i) {
|
||
|
const token = tokens[i]
|
||
|
const offsetInfo = offsets.get(token)
|
||
|
|
||
|
// If the first token is not trivial then ignore trivial following tokens.
|
||
|
if (offsetInfo != null && (trivial || !isTrivialToken(token))) {
|
||
|
if (offsetInfo.expectedIndent != null) {
|
||
|
expectedIndent = Math.min(expectedIndent, offsetInfo.expectedIndent)
|
||
|
} else {
|
||
|
const baseOffsetInfo = offsets.get(offsetInfo.baseToken)
|
||
|
if (baseOffsetInfo != null && baseOffsetInfo.expectedIndent != null && (i === 0 || !baseOffsetInfo.baseline)) {
|
||
|
expectedIndent = Math.min(expectedIndent, baseOffsetInfo.expectedIndent + offsetInfo.offset * options.indentSize)
|
||
|
if (baseOffsetInfo.baseline) {
|
||
|
break
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return expectedIndent
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Get the text of the indentation part of the line which the given token is on.
|
||
|
* @param {Token} firstToken The first token on a line.
|
||
|
* @returns {string} The text of indentation part.
|
||
|
*/
|
||
|
function getIndentText (firstToken) {
|
||
|
const text = sourceCode.text
|
||
|
let i = firstToken.range[0] - 1
|
||
|
|
||
|
while (i >= 0 && !LT_CHAR.test(text[i])) {
|
||
|
i -= 1
|
||
|
}
|
||
|
|
||
|
return text.slice(i + 1, firstToken.range[0])
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Define the function which fixes the problem.
|
||
|
* @param {Token} token The token to fix.
|
||
|
* @param {number} actualIndent The number of actual indentaion.
|
||
|
* @param {number} expectedIndent The number of expected indentation.
|
||
|
* @returns {Function} The defined function.
|
||
|
*/
|
||
|
function defineFix (token, actualIndent, expectedIndent) {
|
||
|
if (token.type === 'Block' && token.loc.start.line !== token.loc.end.line) {
|
||
|
// Fix indentation in multiline block comments.
|
||
|
const lines = sourceCode.getText(token).match(LINES)
|
||
|
const firstLine = lines.shift()
|
||
|
if (lines.every(l => BLOCK_COMMENT_PREFIX.test(l))) {
|
||
|
return fixer => {
|
||
|
const range = [token.range[0] - actualIndent, token.range[1]]
|
||
|
const indent = options.indentChar.repeat(expectedIndent)
|
||
|
|
||
|
return fixer.replaceTextRange(
|
||
|
range,
|
||
|
`${indent}${firstLine}${lines.map(l => l.replace(BLOCK_COMMENT_PREFIX, `${indent} *`)).join('')}`
|
||
|
)
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return fixer => {
|
||
|
const range = [token.range[0] - actualIndent, token.range[0]]
|
||
|
const indent = options.indentChar.repeat(expectedIndent)
|
||
|
return fixer.replaceTextRange(range, indent)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Validate the given token with the pre-calculated expected indentation.
|
||
|
* @param {Token} token The token to validate.
|
||
|
* @param {number} expectedIndent The expected indentation.
|
||
|
* @param {number|undefined} optionalExpectedIndent The optional expected indentation.
|
||
|
* @returns {void}
|
||
|
*/
|
||
|
function validateCore (token, expectedIndent, optionalExpectedIndent) {
|
||
|
const line = token.loc.start.line
|
||
|
const indentText = getIndentText(token)
|
||
|
|
||
|
// If there is no line terminator after the `<script>` start tag,
|
||
|
// `indentText` contains non-whitespace characters.
|
||
|
// In that case, do nothing in order to prevent removing the `<script>` tag.
|
||
|
if (indentText.trim() !== '') {
|
||
|
return
|
||
|
}
|
||
|
|
||
|
const actualIndent = token.loc.start.column
|
||
|
const unit = (options.indentChar === '\t' ? 'tab' : 'space')
|
||
|
|
||
|
for (let i = 0; i < indentText.length; ++i) {
|
||
|
if (indentText[i] !== options.indentChar) {
|
||
|
context.report({
|
||
|
loc: {
|
||
|
start: { line, column: i },
|
||
|
end: { line, column: i + 1 }
|
||
|
},
|
||
|
message: 'Expected {{expected}} character, but found {{actual}} character.',
|
||
|
data: {
|
||
|
expected: JSON.stringify(options.indentChar),
|
||
|
actual: JSON.stringify(indentText[i])
|
||
|
},
|
||
|
fix: defineFix(token, actualIndent, expectedIndent)
|
||
|
})
|
||
|
return
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (actualIndent !== expectedIndent && (optionalExpectedIndent === undefined || actualIndent !== optionalExpectedIndent)) {
|
||
|
context.report({
|
||
|
loc: {
|
||
|
start: { line, column: 0 },
|
||
|
end: { line, column: actualIndent }
|
||
|
},
|
||
|
message: 'Expected indentation of {{expectedIndent}} {{unit}}{{expectedIndentPlural}} but found {{actualIndent}} {{unit}}{{actualIndentPlural}}.',
|
||
|
data: {
|
||
|
expectedIndent,
|
||
|
actualIndent,
|
||
|
unit,
|
||
|
expectedIndentPlural: (expectedIndent === 1) ? '' : 's',
|
||
|
actualIndentPlural: (actualIndent === 1) ? '' : 's'
|
||
|
},
|
||
|
fix: defineFix(token, actualIndent, expectedIndent)
|
||
|
})
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Get the expected indent of comments.
|
||
|
* @param {Token|null} nextToken The next token of comments.
|
||
|
* @param {number|undefined} nextExpectedIndent The expected indent of the next token.
|
||
|
* @param {number|undefined} lastExpectedIndent The expected indent of the last token.
|
||
|
* @returns {{primary:number|undefined,secondary:number|undefined}}
|
||
|
*/
|
||
|
function getCommentExpectedIndents (nextToken, nextExpectedIndent, lastExpectedIndent) {
|
||
|
if (typeof lastExpectedIndent === 'number' && isClosingToken(nextToken)) {
|
||
|
if (nextExpectedIndent === lastExpectedIndent) {
|
||
|
// For solo comment. E.g.,
|
||
|
// <div>
|
||
|
// <!-- comment -->
|
||
|
// </div>
|
||
|
return {
|
||
|
primary: nextExpectedIndent + options.indentSize,
|
||
|
secondary: undefined
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// For last comment. E.g.,
|
||
|
// <div>
|
||
|
// <div></div>
|
||
|
// <!-- comment -->
|
||
|
// </div>
|
||
|
return { primary: lastExpectedIndent, secondary: nextExpectedIndent }
|
||
|
}
|
||
|
|
||
|
// Adjust to next normally. E.g.,
|
||
|
// <div>
|
||
|
// <!-- comment -->
|
||
|
// <div></div>
|
||
|
// </div>
|
||
|
return { primary: nextExpectedIndent, secondary: undefined }
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Validate indentation of the line that the given tokens are on.
|
||
|
* @param {Token[]} tokens The tokens on the same line to validate.
|
||
|
* @param {Token[]} comments The comments which are on the immediately previous lines of the tokens.
|
||
|
* @param {Token|null} lastToken The last validated token. Comments can adjust to the token.
|
||
|
* @returns {void}
|
||
|
*/
|
||
|
function validate (tokens, comments, lastToken) {
|
||
|
// Calculate and save expected indentation.
|
||
|
const firstToken = tokens[0]
|
||
|
const actualIndent = firstToken.loc.start.column
|
||
|
const expectedIndent = getExpectedIndent(tokens)
|
||
|
if (expectedIndent === Number.MAX_SAFE_INTEGER) {
|
||
|
return
|
||
|
}
|
||
|
|
||
|
// Debug log
|
||
|
// console.log('line', firstToken.loc.start.line, '=', { actualIndent, expectedIndent }, 'from:')
|
||
|
// for (const token of tokens) {
|
||
|
// const offsetInfo = offsets.get(token)
|
||
|
// if (offsetInfo == null) {
|
||
|
// console.log(' ', JSON.stringify(sourceCode.getText(token)), 'is unknown.')
|
||
|
// } else if (offsetInfo.expectedIndent != null) {
|
||
|
// console.log(' ', JSON.stringify(sourceCode.getText(token)), 'is fixed at', offsetInfo.expectedIndent, '.')
|
||
|
// } else {
|
||
|
// const baseOffsetInfo = offsets.get(offsetInfo.baseToken)
|
||
|
// console.log(' ', JSON.stringify(sourceCode.getText(token)), 'is', offsetInfo.offset, 'offset from ', JSON.stringify(sourceCode.getText(offsetInfo.baseToken)), '( line:', offsetInfo.baseToken && offsetInfo.baseToken.loc.start.line, ', indent:', baseOffsetInfo && baseOffsetInfo.expectedIndent, ', baseline:', baseOffsetInfo && baseOffsetInfo.baseline, ')')
|
||
|
// }
|
||
|
// }
|
||
|
|
||
|
// Save.
|
||
|
const baseline = new Set()
|
||
|
for (const token of tokens) {
|
||
|
const offsetInfo = offsets.get(token)
|
||
|
if (offsetInfo != null) {
|
||
|
if (offsetInfo.baseline) {
|
||
|
// This is a baseline token, so the expected indent is the column of this token.
|
||
|
if (options.indentChar === ' ') {
|
||
|
offsetInfo.expectedIndent = Math.max(0, token.loc.start.column + expectedIndent - actualIndent)
|
||
|
} else {
|
||
|
// In hard-tabs mode, it cannot align tokens strictly, so use one additional offset.
|
||
|
// But the additional offset isn't needed if it's at the beginning of the line.
|
||
|
offsetInfo.expectedIndent = expectedIndent + (token === tokens[0] ? 0 : 1)
|
||
|
}
|
||
|
baseline.add(token)
|
||
|
} else if (baseline.has(offsetInfo.baseToken)) {
|
||
|
// The base token is a baseline token on this line, so inherit it.
|
||
|
offsetInfo.expectedIndent = offsets.get(offsetInfo.baseToken).expectedIndent
|
||
|
baseline.add(token)
|
||
|
} else {
|
||
|
// Otherwise, set the expected indent of this line.
|
||
|
offsetInfo.expectedIndent = expectedIndent
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Calculate the expected indents for comments.
|
||
|
// It allows the same indent level with the previous line.
|
||
|
const lastOffsetInfo = offsets.get(lastToken)
|
||
|
const lastExpectedIndent = lastOffsetInfo && lastOffsetInfo.expectedIndent
|
||
|
const commentExpectedIndents = getCommentExpectedIndents(firstToken, expectedIndent, lastExpectedIndent)
|
||
|
|
||
|
// Validate.
|
||
|
for (const comment of comments) {
|
||
|
validateCore(comment, commentExpectedIndents.primary, commentExpectedIndents.secondary)
|
||
|
}
|
||
|
validateCore(firstToken, expectedIndent)
|
||
|
}
|
||
|
|
||
|
// ------------------------------------------------------------------------------
|
||
|
// Main
|
||
|
// ------------------------------------------------------------------------------
|
||
|
|
||
|
return processIgnores({
|
||
|
VAttribute (node) {
|
||
|
const keyToken = tokenStore.getFirstToken(node)
|
||
|
const eqToken = tokenStore.getFirstToken(node, 1)
|
||
|
|
||
|
if (eqToken != null) {
|
||
|
setOffset(eqToken, 1, keyToken)
|
||
|
|
||
|
const valueToken = tokenStore.getFirstToken(node, 2)
|
||
|
if (valueToken != null) {
|
||
|
setOffset(valueToken, 1, keyToken)
|
||
|
}
|
||
|
}
|
||
|
},
|
||
|
|
||
|
VElement (node) {
|
||
|
const startTagToken = tokenStore.getFirstToken(node)
|
||
|
const endTagToken = node.endTag && tokenStore.getFirstToken(node.endTag)
|
||
|
|
||
|
if (node.name !== 'pre') {
|
||
|
const childTokens = node.children.map(n => tokenStore.getFirstToken(n))
|
||
|
setOffset(childTokens, 1, startTagToken)
|
||
|
}
|
||
|
setOffset(endTagToken, 0, startTagToken)
|
||
|
},
|
||
|
|
||
|
VEndTag (node) {
|
||
|
const openToken = tokenStore.getFirstToken(node)
|
||
|
const closeToken = tokenStore.getLastToken(node)
|
||
|
|
||
|
if (closeToken.type.endsWith('TagClose')) {
|
||
|
setOffset(closeToken, options.closeBracket, openToken)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
VExpressionContainer (node) {
|
||
|
if (node.expression != null && node.range[0] !== node.expression.range[0]) {
|
||
|
const startQuoteToken = tokenStore.getFirstToken(node)
|
||
|
const endQuoteToken = tokenStore.getLastToken(node)
|
||
|
const childToken = tokenStore.getFirstToken(node.expression)
|
||
|
|
||
|
setOffset(childToken, 1, startQuoteToken)
|
||
|
setOffset(endQuoteToken, 0, startQuoteToken)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
VForExpression (node) {
|
||
|
const firstToken = tokenStore.getFirstToken(node)
|
||
|
const lastOfLeft = last(node.left) || firstToken
|
||
|
const inToken = tokenStore.getTokenAfter(lastOfLeft, isNotRightParen)
|
||
|
const rightToken = tokenStore.getFirstToken(node.right)
|
||
|
|
||
|
if (isLeftParen(firstToken)) {
|
||
|
const rightToken = tokenStore.getTokenAfter(lastOfLeft, isRightParen)
|
||
|
processNodeList(node.left, firstToken, rightToken, 1)
|
||
|
}
|
||
|
setOffset(inToken, 1, firstToken)
|
||
|
setOffset(rightToken, 1, inToken)
|
||
|
},
|
||
|
|
||
|
VOnExpression (node) {
|
||
|
processNodeList(node.body, null, null, 0)
|
||
|
},
|
||
|
|
||
|
VStartTag (node) {
|
||
|
const openToken = tokenStore.getFirstToken(node)
|
||
|
const closeToken = tokenStore.getLastToken(node)
|
||
|
|
||
|
processNodeList(
|
||
|
node.attributes,
|
||
|
openToken,
|
||
|
null,
|
||
|
options.attribute,
|
||
|
options.alignAttributesVertically
|
||
|
)
|
||
|
if (closeToken != null && closeToken.type.endsWith('TagClose')) {
|
||
|
setOffset(closeToken, options.closeBracket, openToken)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
VText (node) {
|
||
|
const tokens = tokenStore.getTokens(node, isNotWhitespace)
|
||
|
const firstTokenInfo = offsets.get(tokenStore.getFirstToken(node))
|
||
|
|
||
|
for (const token of tokens) {
|
||
|
offsets.set(token, firstTokenInfo)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
'ArrayExpression, ArrayPattern' (node) {
|
||
|
processNodeList(node.elements, tokenStore.getFirstToken(node), tokenStore.getLastToken(node), 1)
|
||
|
},
|
||
|
|
||
|
ArrowFunctionExpression (node) {
|
||
|
const firstToken = tokenStore.getFirstToken(node)
|
||
|
const secondToken = tokenStore.getTokenAfter(firstToken)
|
||
|
const leftToken = node.async ? secondToken : firstToken
|
||
|
const arrowToken = tokenStore.getTokenBefore(node.body, isArrow)
|
||
|
|
||
|
if (node.async) {
|
||
|
setOffset(secondToken, 1, firstToken)
|
||
|
}
|
||
|
if (isLeftParen(leftToken)) {
|
||
|
const rightToken = tokenStore.getTokenAfter(last(node.params) || leftToken, isRightParen)
|
||
|
processNodeList(node.params, leftToken, rightToken, 1)
|
||
|
}
|
||
|
|
||
|
setOffset(arrowToken, 1, firstToken)
|
||
|
processMaybeBlock(node.body, firstToken)
|
||
|
},
|
||
|
|
||
|
'AssignmentExpression, AssignmentPattern, BinaryExpression, LogicalExpression' (node) {
|
||
|
const leftToken = getChainHeadToken(node)
|
||
|
const opToken = tokenStore.getTokenAfter(node.left, isNotRightParen)
|
||
|
const rightToken = tokenStore.getTokenAfter(opToken)
|
||
|
const prevToken = tokenStore.getTokenBefore(leftToken)
|
||
|
const shouldIndent = (
|
||
|
prevToken == null ||
|
||
|
prevToken.loc.end.line === leftToken.loc.start.line ||
|
||
|
isBeginningOfElement(leftToken, node)
|
||
|
)
|
||
|
|
||
|
setOffset([opToken, rightToken], shouldIndent ? 1 : 0, leftToken)
|
||
|
},
|
||
|
|
||
|
'AwaitExpression, RestElement, SpreadElement, UnaryExpression' (node) {
|
||
|
const firstToken = tokenStore.getFirstToken(node)
|
||
|
const nextToken = tokenStore.getTokenAfter(firstToken)
|
||
|
|
||
|
setOffset(nextToken, 1, firstToken)
|
||
|
},
|
||
|
|
||
|
'BlockStatement, ClassBody' (node) {
|
||
|
processNodeList(node.body, tokenStore.getFirstToken(node), tokenStore.getLastToken(node), 1)
|
||
|
},
|
||
|
|
||
|
'BreakStatement, ContinueStatement, ReturnStatement, ThrowStatement' (node) {
|
||
|
if (node.argument != null || node.label != null) {
|
||
|
const firstToken = tokenStore.getFirstToken(node)
|
||
|
const nextToken = tokenStore.getTokenAfter(firstToken)
|
||
|
|
||
|
setOffset(nextToken, 1, firstToken)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
CallExpression (node) {
|
||
|
const firstToken = tokenStore.getFirstToken(node)
|
||
|
const rightToken = tokenStore.getLastToken(node)
|
||
|
const leftToken = tokenStore.getTokenAfter(node.callee, isLeftParen)
|
||
|
|
||
|
setOffset(leftToken, 1, firstToken)
|
||
|
processNodeList(node.arguments, leftToken, rightToken, 1)
|
||
|
},
|
||
|
|
||
|
CatchClause (node) {
|
||
|
const firstToken = tokenStore.getFirstToken(node)
|
||
|
const bodyToken = tokenStore.getFirstToken(node.body)
|
||
|
|
||
|
if (node.param != null) {
|
||
|
const leftToken = tokenStore.getTokenAfter(firstToken)
|
||
|
const rightToken = tokenStore.getTokenAfter(node.param)
|
||
|
|
||
|
setOffset(leftToken, 1, firstToken)
|
||
|
processNodeList([node.param], leftToken, rightToken, 1)
|
||
|
}
|
||
|
setOffset(bodyToken, 0, firstToken)
|
||
|
},
|
||
|
|
||
|
'ClassDeclaration, ClassExpression' (node) {
|
||
|
const firstToken = tokenStore.getFirstToken(node)
|
||
|
const bodyToken = tokenStore.getFirstToken(node.body)
|
||
|
|
||
|
if (node.id != null) {
|
||
|
setOffset(tokenStore.getFirstToken(node.id), 1, firstToken)
|
||
|
}
|
||
|
if (node.superClass != null) {
|
||
|
const extendsToken = tokenStore.getTokenAfter(node.id || firstToken)
|
||
|
const superClassToken = tokenStore.getTokenAfter(extendsToken)
|
||
|
setOffset(extendsToken, 1, firstToken)
|
||
|
setOffset(superClassToken, 1, extendsToken)
|
||
|
}
|
||
|
setOffset(bodyToken, 0, firstToken)
|
||
|
},
|
||
|
|
||
|
ConditionalExpression (node) {
|
||
|
const firstToken = tokenStore.getFirstToken(node)
|
||
|
const questionToken = tokenStore.getTokenAfter(node.test, isNotRightParen)
|
||
|
const consequentToken = tokenStore.getTokenAfter(questionToken)
|
||
|
const colonToken = tokenStore.getTokenAfter(node.consequent, isNotRightParen)
|
||
|
const alternateToken = tokenStore.getTokenAfter(colonToken)
|
||
|
const isFlat = (node.test.loc.end.line === node.consequent.loc.start.line)
|
||
|
|
||
|
if (isFlat) {
|
||
|
setOffset([questionToken, consequentToken, colonToken, alternateToken], 0, firstToken)
|
||
|
} else {
|
||
|
setOffset([questionToken, colonToken], 1, firstToken)
|
||
|
setOffset([consequentToken, alternateToken], 1, questionToken)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
DoWhileStatement (node) {
|
||
|
const doToken = tokenStore.getFirstToken(node)
|
||
|
const whileToken = tokenStore.getTokenAfter(node.body, isNotRightParen)
|
||
|
const leftToken = tokenStore.getTokenAfter(whileToken)
|
||
|
const testToken = tokenStore.getTokenAfter(leftToken)
|
||
|
const lastToken = tokenStore.getLastToken(node)
|
||
|
const rightToken = isSemicolon(lastToken) ? tokenStore.getTokenBefore(lastToken) : lastToken
|
||
|
|
||
|
processMaybeBlock(node.body, doToken)
|
||
|
setOffset(whileToken, 0, doToken)
|
||
|
setOffset(leftToken, 1, whileToken)
|
||
|
setOffset(testToken, 1, leftToken)
|
||
|
setOffset(rightToken, 0, leftToken)
|
||
|
},
|
||
|
|
||
|
ExportAllDeclaration (node) {
|
||
|
const tokens = tokenStore.getTokens(node)
|
||
|
const firstToken = tokens.shift()
|
||
|
if (isSemicolon(last(tokens))) {
|
||
|
tokens.pop()
|
||
|
}
|
||
|
setOffset(tokens, 1, firstToken)
|
||
|
},
|
||
|
|
||
|
ExportDefaultDeclaration (node) {
|
||
|
const exportToken = tokenStore.getFirstToken(node)
|
||
|
const defaultToken = tokenStore.getFirstToken(node, 1)
|
||
|
const declarationToken = getFirstAndLastTokens(node.declaration).firstToken
|
||
|
setOffset([defaultToken, declarationToken], 1, exportToken)
|
||
|
},
|
||
|
|
||
|
ExportNamedDeclaration (node) {
|
||
|
const exportToken = tokenStore.getFirstToken(node)
|
||
|
if (node.declaration) {
|
||
|
// export var foo = 1;
|
||
|
const declarationToken = tokenStore.getFirstToken(node, 1)
|
||
|
setOffset(declarationToken, 1, exportToken)
|
||
|
} else {
|
||
|
// export {foo, bar}; or export {foo, bar} from "mod";
|
||
|
const leftParenToken = tokenStore.getFirstToken(node, 1)
|
||
|
const rightParenToken = tokenStore.getLastToken(node, isRightBrace)
|
||
|
setOffset(leftParenToken, 0, exportToken)
|
||
|
processNodeList(node.specifiers, leftParenToken, rightParenToken, 1)
|
||
|
|
||
|
const maybeFromToken = tokenStore.getTokenAfter(rightParenToken)
|
||
|
if (maybeFromToken != null && sourceCode.getText(maybeFromToken) === 'from') {
|
||
|
const fromToken = maybeFromToken
|
||
|
const nameToken = tokenStore.getTokenAfter(fromToken)
|
||
|
setOffset([fromToken, nameToken], 1, exportToken)
|
||
|
}
|
||
|
}
|
||
|
},
|
||
|
|
||
|
ExportSpecifier (node) {
|
||
|
const tokens = tokenStore.getTokens(node)
|
||
|
const firstToken = tokens.shift()
|
||
|
setOffset(tokens, 1, firstToken)
|
||
|
},
|
||
|
|
||
|
'ForInStatement, ForOfStatement' (node) {
|
||
|
const forToken = tokenStore.getFirstToken(node)
|
||
|
const leftParenToken = tokenStore.getTokenAfter(forToken)
|
||
|
const leftToken = tokenStore.getTokenAfter(leftParenToken)
|
||
|
const inToken = tokenStore.getTokenAfter(leftToken, isNotRightParen)
|
||
|
const rightToken = tokenStore.getTokenAfter(inToken)
|
||
|
const rightParenToken = tokenStore.getTokenBefore(node.body, isNotLeftParen)
|
||
|
|
||
|
setOffset(leftParenToken, 1, forToken)
|
||
|
setOffset(leftToken, 1, leftParenToken)
|
||
|
setOffset(inToken, 1, leftToken)
|
||
|
setOffset(rightToken, 1, leftToken)
|
||
|
setOffset(rightParenToken, 0, leftParenToken)
|
||
|
processMaybeBlock(node.body, forToken)
|
||
|
},
|
||
|
|
||
|
ForStatement (node) {
|
||
|
const forToken = tokenStore.getFirstToken(node)
|
||
|
const leftParenToken = tokenStore.getTokenAfter(forToken)
|
||
|
const rightParenToken = tokenStore.getTokenBefore(node.body, isNotLeftParen)
|
||
|
|
||
|
setOffset(leftParenToken, 1, forToken)
|
||
|
processNodeList([node.init, node.test, node.update], leftParenToken, rightParenToken, 1)
|
||
|
setOffset(rightParenToken, 0, leftParenToken)
|
||
|
processMaybeBlock(node.body, forToken)
|
||
|
},
|
||
|
|
||
|
'FunctionDeclaration, FunctionExpression' (node) {
|
||
|
const firstToken = tokenStore.getFirstToken(node)
|
||
|
if (isLeftParen(firstToken)) {
|
||
|
// Methods.
|
||
|
const leftToken = firstToken
|
||
|
const rightToken = tokenStore.getTokenAfter(last(node.params) || leftToken, isRightParen)
|
||
|
const bodyToken = tokenStore.getFirstToken(node.body)
|
||
|
|
||
|
processNodeList(node.params, leftToken, rightToken, 1)
|
||
|
setOffset(bodyToken, 0, tokenStore.getFirstToken(node.parent))
|
||
|
} else {
|
||
|
// Normal functions.
|
||
|
const functionToken = node.async ? tokenStore.getTokenAfter(firstToken) : firstToken
|
||
|
const starToken = node.generator ? tokenStore.getTokenAfter(functionToken) : null
|
||
|
const idToken = node.id && tokenStore.getFirstToken(node.id)
|
||
|
const leftToken = tokenStore.getTokenAfter(idToken || starToken || functionToken)
|
||
|
const rightToken = tokenStore.getTokenAfter(last(node.params) || leftToken, isRightParen)
|
||
|
const bodyToken = tokenStore.getFirstToken(node.body)
|
||
|
|
||
|
if (node.async) {
|
||
|
setOffset(functionToken, 0, firstToken)
|
||
|
}
|
||
|
if (node.generator) {
|
||
|
setOffset(starToken, 1, firstToken)
|
||
|
}
|
||
|
if (node.id != null) {
|
||
|
setOffset(idToken, 1, firstToken)
|
||
|
}
|
||
|
setOffset(leftToken, 1, firstToken)
|
||
|
processNodeList(node.params, leftToken, rightToken, 1)
|
||
|
setOffset(bodyToken, 0, firstToken)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
IfStatement (node) {
|
||
|
const ifToken = tokenStore.getFirstToken(node)
|
||
|
const ifLeftParenToken = tokenStore.getTokenAfter(ifToken)
|
||
|
const ifRightParenToken = tokenStore.getTokenBefore(node.consequent, isRightParen)
|
||
|
|
||
|
setOffset(ifLeftParenToken, 1, ifToken)
|
||
|
setOffset(ifRightParenToken, 0, ifLeftParenToken)
|
||
|
processMaybeBlock(node.consequent, ifToken)
|
||
|
|
||
|
if (node.alternate != null) {
|
||
|
const elseToken = tokenStore.getTokenAfter(node.consequent, isNotRightParen)
|
||
|
|
||
|
setOffset(elseToken, 0, ifToken)
|
||
|
processMaybeBlock(node.alternate, elseToken)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
ImportDeclaration (node) {
|
||
|
const firstSpecifier = node.specifiers[0]
|
||
|
const secondSpecifier = node.specifiers[1]
|
||
|
const importToken = tokenStore.getFirstToken(node)
|
||
|
const hasSemi = tokenStore.getLastToken(node).value === ';'
|
||
|
const tokens = [] // tokens to one indent
|
||
|
|
||
|
if (!firstSpecifier) {
|
||
|
// There are 2 patterns:
|
||
|
// import "foo"
|
||
|
// import {} from "foo"
|
||
|
const secondToken = tokenStore.getFirstToken(node, 1)
|
||
|
if (isLeftBrace(secondToken)) {
|
||
|
setOffset(
|
||
|
[secondToken, tokenStore.getTokenAfter(secondToken)],
|
||
|
0,
|
||
|
importToken
|
||
|
)
|
||
|
tokens.push(
|
||
|
tokenStore.getLastToken(node, hasSemi ? 2 : 1), // from
|
||
|
tokenStore.getLastToken(node, hasSemi ? 1 : 0) // "foo"
|
||
|
)
|
||
|
} else {
|
||
|
tokens.push(tokenStore.getLastToken(node, hasSemi ? 1 : 0))
|
||
|
}
|
||
|
} else if (firstSpecifier.type === 'ImportDefaultSpecifier') {
|
||
|
if (secondSpecifier && secondSpecifier.type === 'ImportNamespaceSpecifier') {
|
||
|
// There is a pattern:
|
||
|
// import Foo, * as foo from "foo"
|
||
|
tokens.push(
|
||
|
tokenStore.getFirstToken(firstSpecifier), // Foo
|
||
|
tokenStore.getTokenAfter(firstSpecifier), // comma
|
||
|
tokenStore.getFirstToken(secondSpecifier), // *
|
||
|
tokenStore.getLastToken(node, hasSemi ? 2 : 1), // from
|
||
|
tokenStore.getLastToken(node, hasSemi ? 1 : 0) // "foo"
|
||
|
)
|
||
|
} else {
|
||
|
// There are 3 patterns:
|
||
|
// import Foo from "foo"
|
||
|
// import Foo, {} from "foo"
|
||
|
// import Foo, {a} from "foo"
|
||
|
const idToken = tokenStore.getFirstToken(firstSpecifier)
|
||
|
const nextToken = tokenStore.getTokenAfter(firstSpecifier)
|
||
|
if (isComma(nextToken)) {
|
||
|
const leftBrace = tokenStore.getTokenAfter(nextToken)
|
||
|
const rightBrace = tokenStore.getLastToken(node, hasSemi ? 3 : 2)
|
||
|
setOffset([idToken, nextToken], 1, importToken)
|
||
|
setOffset(leftBrace, 0, idToken)
|
||
|
processNodeList(node.specifiers.slice(1), leftBrace, rightBrace, 1)
|
||
|
tokens.push(
|
||
|
tokenStore.getLastToken(node, hasSemi ? 2 : 1), // from
|
||
|
tokenStore.getLastToken(node, hasSemi ? 1 : 0) // "foo"
|
||
|
)
|
||
|
} else {
|
||
|
tokens.push(
|
||
|
idToken,
|
||
|
nextToken, // from
|
||
|
tokenStore.getTokenAfter(nextToken) // "foo"
|
||
|
)
|
||
|
}
|
||
|
}
|
||
|
} else if (firstSpecifier.type === 'ImportNamespaceSpecifier') {
|
||
|
// There is a pattern:
|
||
|
// import * as foo from "foo"
|
||
|
tokens.push(
|
||
|
tokenStore.getFirstToken(firstSpecifier), // *
|
||
|
tokenStore.getLastToken(node, hasSemi ? 2 : 1), // from
|
||
|
tokenStore.getLastToken(node, hasSemi ? 1 : 0) // "foo"
|
||
|
)
|
||
|
} else {
|
||
|
// There is a pattern:
|
||
|
// import {a} from "foo"
|
||
|
const leftBrace = tokenStore.getFirstToken(node, 1)
|
||
|
const rightBrace = tokenStore.getLastToken(node, hasSemi ? 3 : 2)
|
||
|
setOffset(leftBrace, 0, importToken)
|
||
|
processNodeList(node.specifiers, leftBrace, rightBrace, 1)
|
||
|
tokens.push(
|
||
|
tokenStore.getLastToken(node, hasSemi ? 2 : 1), // from
|
||
|
tokenStore.getLastToken(node, hasSemi ? 1 : 0) // "foo"
|
||
|
)
|
||
|
}
|
||
|
|
||
|
setOffset(tokens, 1, importToken)
|
||
|
},
|
||
|
|
||
|
ImportSpecifier (node) {
|
||
|
if (node.local.range[0] !== node.imported.range[0]) {
|
||
|
const tokens = tokenStore.getTokens(node)
|
||
|
const firstToken = tokens.shift()
|
||
|
setOffset(tokens, 1, firstToken)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
ImportNamespaceSpecifier (node) {
|
||
|
const tokens = tokenStore.getTokens(node)
|
||
|
const firstToken = tokens.shift()
|
||
|
setOffset(tokens, 1, firstToken)
|
||
|
},
|
||
|
|
||
|
LabeledStatement (node) {
|
||
|
const labelToken = tokenStore.getFirstToken(node)
|
||
|
const colonToken = tokenStore.getTokenAfter(labelToken)
|
||
|
const bodyToken = tokenStore.getTokenAfter(colonToken)
|
||
|
|
||
|
setOffset([colonToken, bodyToken], 1, labelToken)
|
||
|
},
|
||
|
|
||
|
'MemberExpression, MetaProperty' (node) {
|
||
|
const objectToken = tokenStore.getFirstToken(node)
|
||
|
if (node.computed) {
|
||
|
const leftBracketToken = tokenStore.getTokenBefore(node.property, isLeftBracket)
|
||
|
const propertyToken = tokenStore.getTokenAfter(leftBracketToken)
|
||
|
const rightBracketToken = tokenStore.getTokenAfter(node.property, isRightBracket)
|
||
|
|
||
|
setOffset(leftBracketToken, 1, objectToken)
|
||
|
setOffset(propertyToken, 1, leftBracketToken)
|
||
|
setOffset(rightBracketToken, 0, leftBracketToken)
|
||
|
} else {
|
||
|
const dotToken = tokenStore.getTokenBefore(node.property)
|
||
|
const propertyToken = tokenStore.getTokenAfter(dotToken)
|
||
|
|
||
|
setOffset([dotToken, propertyToken], 1, objectToken)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
'MethodDefinition, Property' (node) {
|
||
|
const isMethod = (node.type === 'MethodDefinition' || node.method === true)
|
||
|
const prefixTokens = getPrefixTokens(node)
|
||
|
const hasPrefix = prefixTokens.length >= 1
|
||
|
|
||
|
for (let i = 1; i < prefixTokens.length; ++i) {
|
||
|
setOffset(prefixTokens[i], 0, prefixTokens[i - 1])
|
||
|
}
|
||
|
|
||
|
let lastKeyToken = null
|
||
|
if (node.computed) {
|
||
|
const keyLeftToken = tokenStore.getFirstToken(node, isLeftBracket)
|
||
|
const keyToken = tokenStore.getTokenAfter(keyLeftToken)
|
||
|
const keyRightToken = lastKeyToken = tokenStore.getTokenAfter(node.key, isRightBracket)
|
||
|
|
||
|
if (hasPrefix) {
|
||
|
setOffset(keyLeftToken, 0, last(prefixTokens))
|
||
|
}
|
||
|
setOffset(keyToken, 1, keyLeftToken)
|
||
|
setOffset(keyRightToken, 0, keyLeftToken)
|
||
|
} else {
|
||
|
const idToken = lastKeyToken = tokenStore.getFirstToken(node.key)
|
||
|
|
||
|
if (hasPrefix) {
|
||
|
setOffset(idToken, 0, last(prefixTokens))
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (isMethod) {
|
||
|
const leftParenToken = tokenStore.getTokenAfter(lastKeyToken)
|
||
|
|
||
|
setOffset(leftParenToken, 1, lastKeyToken)
|
||
|
} else if (!node.shorthand) {
|
||
|
const colonToken = tokenStore.getTokenAfter(lastKeyToken)
|
||
|
const valueToken = tokenStore.getTokenAfter(colonToken)
|
||
|
|
||
|
setOffset([colonToken, valueToken], 1, lastKeyToken)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
NewExpression (node) {
|
||
|
const newToken = tokenStore.getFirstToken(node)
|
||
|
const calleeToken = tokenStore.getTokenAfter(newToken)
|
||
|
const rightToken = tokenStore.getLastToken(node)
|
||
|
const leftToken = isRightParen(rightToken)
|
||
|
? tokenStore.getFirstTokenBetween(node.callee, rightToken, isLeftParen)
|
||
|
: null
|
||
|
|
||
|
setOffset(calleeToken, 1, newToken)
|
||
|
if (leftToken != null) {
|
||
|
setOffset(leftToken, 1, calleeToken)
|
||
|
processNodeList(node.arguments, leftToken, rightToken, 1)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
'ObjectExpression, ObjectPattern' (node) {
|
||
|
processNodeList(node.properties, tokenStore.getFirstToken(node), tokenStore.getLastToken(node), 1)
|
||
|
},
|
||
|
|
||
|
SequenceExpression (node) {
|
||
|
processNodeList(node.expressions, null, null, 0)
|
||
|
},
|
||
|
|
||
|
SwitchCase (node) {
|
||
|
const caseToken = tokenStore.getFirstToken(node)
|
||
|
|
||
|
if (node.test != null) {
|
||
|
const testToken = tokenStore.getTokenAfter(caseToken)
|
||
|
const colonToken = tokenStore.getTokenAfter(node.test, isNotRightParen)
|
||
|
|
||
|
setOffset([testToken, colonToken], 1, caseToken)
|
||
|
} else {
|
||
|
const colonToken = tokenStore.getTokenAfter(caseToken)
|
||
|
|
||
|
setOffset(colonToken, 1, caseToken)
|
||
|
}
|
||
|
|
||
|
if (node.consequent.length === 1 && node.consequent[0].type === 'BlockStatement') {
|
||
|
setOffset(tokenStore.getFirstToken(node.consequent[0]), 0, caseToken)
|
||
|
} else if (node.consequent.length >= 1) {
|
||
|
setOffset(tokenStore.getFirstToken(node.consequent[0]), 1, caseToken)
|
||
|
processNodeList(node.consequent, null, null, 0)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
SwitchStatement (node) {
|
||
|
const switchToken = tokenStore.getFirstToken(node)
|
||
|
const leftParenToken = tokenStore.getTokenAfter(switchToken)
|
||
|
const discriminantToken = tokenStore.getTokenAfter(leftParenToken)
|
||
|
const leftBraceToken = tokenStore.getTokenAfter(node.discriminant, isLeftBrace)
|
||
|
const rightParenToken = tokenStore.getTokenBefore(leftBraceToken)
|
||
|
const rightBraceToken = tokenStore.getLastToken(node)
|
||
|
|
||
|
setOffset(leftParenToken, 1, switchToken)
|
||
|
setOffset(discriminantToken, 1, leftParenToken)
|
||
|
setOffset(rightParenToken, 0, leftParenToken)
|
||
|
setOffset(leftBraceToken, 0, switchToken)
|
||
|
processNodeList(node.cases, leftBraceToken, rightBraceToken, options.switchCase)
|
||
|
},
|
||
|
|
||
|
TaggedTemplateExpression (node) {
|
||
|
const tagTokens = getFirstAndLastTokens(node.tag, node.range[0])
|
||
|
const quasiToken = tokenStore.getTokenAfter(tagTokens.lastToken)
|
||
|
|
||
|
setOffset(quasiToken, 1, tagTokens.firstToken)
|
||
|
},
|
||
|
|
||
|
TemplateLiteral (node) {
|
||
|
const firstToken = tokenStore.getFirstToken(node)
|
||
|
const quasiTokens = node.quasis.slice(1).map(n => tokenStore.getFirstToken(n))
|
||
|
const expressionToken = node.quasis.slice(0, -1).map(n => tokenStore.getTokenAfter(n))
|
||
|
|
||
|
setOffset(quasiTokens, 0, firstToken)
|
||
|
setOffset(expressionToken, 1, firstToken)
|
||
|
},
|
||
|
|
||
|
TryStatement (node) {
|
||
|
const tryToken = tokenStore.getFirstToken(node)
|
||
|
const tryBlockToken = tokenStore.getFirstToken(node.block)
|
||
|
|
||
|
setOffset(tryBlockToken, 0, tryToken)
|
||
|
|
||
|
if (node.handler != null) {
|
||
|
const catchToken = tokenStore.getFirstToken(node.handler)
|
||
|
|
||
|
setOffset(catchToken, 0, tryToken)
|
||
|
}
|
||
|
|
||
|
if (node.finalizer != null) {
|
||
|
const finallyToken = tokenStore.getTokenBefore(node.finalizer)
|
||
|
const finallyBlockToken = tokenStore.getFirstToken(node.finalizer)
|
||
|
|
||
|
setOffset([finallyToken, finallyBlockToken], 0, tryToken)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
UpdateExpression (node) {
|
||
|
const firstToken = tokenStore.getFirstToken(node)
|
||
|
const nextToken = tokenStore.getTokenAfter(firstToken)
|
||
|
|
||
|
setOffset(nextToken, 1, firstToken)
|
||
|
},
|
||
|
|
||
|
VariableDeclaration (node) {
|
||
|
processNodeList(node.declarations, tokenStore.getFirstToken(node), null, 1)
|
||
|
},
|
||
|
|
||
|
VariableDeclarator (node) {
|
||
|
if (node.init != null) {
|
||
|
const idToken = tokenStore.getFirstToken(node)
|
||
|
const eqToken = tokenStore.getTokenAfter(node.id)
|
||
|
const initToken = tokenStore.getTokenAfter(eqToken)
|
||
|
|
||
|
setOffset([eqToken, initToken], 1, idToken)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
'WhileStatement, WithStatement' (node) {
|
||
|
const firstToken = tokenStore.getFirstToken(node)
|
||
|
const leftParenToken = tokenStore.getTokenAfter(firstToken)
|
||
|
const rightParenToken = tokenStore.getTokenBefore(node.body, isRightParen)
|
||
|
|
||
|
setOffset(leftParenToken, 1, firstToken)
|
||
|
setOffset(rightParenToken, 0, leftParenToken)
|
||
|
processMaybeBlock(node.body, firstToken)
|
||
|
},
|
||
|
|
||
|
YieldExpression (node) {
|
||
|
if (node.argument != null) {
|
||
|
const yieldToken = tokenStore.getFirstToken(node)
|
||
|
|
||
|
setOffset(tokenStore.getTokenAfter(yieldToken), 1, yieldToken)
|
||
|
if (node.delegate) {
|
||
|
setOffset(tokenStore.getTokenAfter(yieldToken, 1), 1, yieldToken)
|
||
|
}
|
||
|
}
|
||
|
},
|
||
|
|
||
|
// Process semicolons.
|
||
|
':statement' (node) {
|
||
|
const firstToken = tokenStore.getFirstToken(node)
|
||
|
const lastToken = tokenStore.getLastToken(node)
|
||
|
if (isSemicolon(lastToken) && firstToken !== lastToken) {
|
||
|
setOffset(lastToken, 0, firstToken)
|
||
|
}
|
||
|
|
||
|
// Set to the semicolon of the previous token for semicolon-free style.
|
||
|
// E.g.,
|
||
|
// foo
|
||
|
// ;[1,2,3].forEach(f)
|
||
|
const info = offsets.get(firstToken)
|
||
|
const prevToken = tokenStore.getTokenBefore(firstToken)
|
||
|
if (info != null && isSemicolon(prevToken) && prevToken.loc.end.line === firstToken.loc.start.line) {
|
||
|
offsets.set(prevToken, info)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
// Process parentheses.
|
||
|
// `:expression` does not match with MetaProperty and TemplateLiteral as a bug: https://github.com/estools/esquery/pull/59
|
||
|
':expression, MetaProperty, TemplateLiteral' (node) {
|
||
|
let leftToken = tokenStore.getTokenBefore(node)
|
||
|
let rightToken = tokenStore.getTokenAfter(node)
|
||
|
let firstToken = tokenStore.getFirstToken(node)
|
||
|
|
||
|
while (isLeftParen(leftToken) && isRightParen(rightToken)) {
|
||
|
setOffset(firstToken, 1, leftToken)
|
||
|
setOffset(rightToken, 0, leftToken)
|
||
|
|
||
|
firstToken = leftToken
|
||
|
leftToken = tokenStore.getTokenBefore(leftToken)
|
||
|
rightToken = tokenStore.getTokenAfter(rightToken)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
// Ignore tokens of unknown nodes.
|
||
|
'*:exit' (node) {
|
||
|
if (!KNOWN_NODES.has(node.type)) {
|
||
|
ignore(node)
|
||
|
}
|
||
|
},
|
||
|
|
||
|
// Top-level process.
|
||
|
Program (node) {
|
||
|
const firstToken = node.tokens[0]
|
||
|
const isScriptTag = (
|
||
|
firstToken != null &&
|
||
|
firstToken.type === 'Punctuator' &&
|
||
|
firstToken.value === '<script>'
|
||
|
)
|
||
|
const baseIndent =
|
||
|
isScriptTag ? (options.indentSize * options.baseIndent) : 0
|
||
|
|
||
|
for (const statement of node.body) {
|
||
|
processTopLevelNode(statement, baseIndent)
|
||
|
}
|
||
|
},
|
||
|
"VElement[parent.type!='VElement']" (node) {
|
||
|
processTopLevelNode(node, 0)
|
||
|
},
|
||
|
|
||
|
// Do validation.
|
||
|
":matches(Program, VElement[parent.type!='VElement']):exit" (node) {
|
||
|
let comments = []
|
||
|
let tokensOnSameLine = []
|
||
|
let isBesideMultilineToken = false
|
||
|
let lastValidatedToken = null
|
||
|
|
||
|
// Validate indentation of tokens.
|
||
|
for (const token of tokenStore.getTokens(node, { includeComments: true, filter: isNotWhitespace })) {
|
||
|
if (tokensOnSameLine.length === 0 || tokensOnSameLine[0].loc.start.line === token.loc.start.line) {
|
||
|
// This is on the same line (or the first token).
|
||
|
tokensOnSameLine.push(token)
|
||
|
} else if (tokensOnSameLine.every(isComment)) {
|
||
|
// New line is detected, but the all tokens of the previous line are comment.
|
||
|
// Comment lines are adjusted to the next code line.
|
||
|
comments.push(tokensOnSameLine[0])
|
||
|
isBesideMultilineToken = last(tokensOnSameLine).loc.end.line === token.loc.start.line
|
||
|
tokensOnSameLine = [token]
|
||
|
} else {
|
||
|
// New line is detected, so validate the tokens.
|
||
|
if (!isBesideMultilineToken) {
|
||
|
validate(tokensOnSameLine, comments, lastValidatedToken)
|
||
|
lastValidatedToken = tokensOnSameLine[0]
|
||
|
}
|
||
|
isBesideMultilineToken = last(tokensOnSameLine).loc.end.line === token.loc.start.line
|
||
|
tokensOnSameLine = [token]
|
||
|
comments = []
|
||
|
}
|
||
|
}
|
||
|
if (tokensOnSameLine.length >= 1 && tokensOnSameLine.some(isNotComment)) {
|
||
|
validate(tokensOnSameLine, comments, lastValidatedToken)
|
||
|
}
|
||
|
}
|
||
|
})
|
||
|
}
|