mirror of
https://github.com/joelwmale/webhook-action.git
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242 lines
8.9 KiB
JavaScript
242 lines
8.9 KiB
JavaScript
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/**
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* @fileoverview Disallows or enforces spaces inside of array brackets.
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* @author Jamund Ferguson
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*/
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"use strict";
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const astUtils = require("./utils/ast-utils");
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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 spacing inside array brackets",
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category: "Stylistic Issues",
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recommended: false,
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url: "https://eslint.org/docs/rules/array-bracket-spacing"
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},
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fixable: "whitespace",
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schema: [
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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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singleValue: {
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type: "boolean"
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},
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objectsInArrays: {
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type: "boolean"
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},
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arraysInArrays: {
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type: "boolean"
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}
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},
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additionalProperties: false
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}
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],
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messages: {
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unexpectedSpaceAfter: "There should be no space after '{{tokenValue}}'.",
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unexpectedSpaceBefore: "There should be no space before '{{tokenValue}}'.",
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missingSpaceAfter: "A space is required after '{{tokenValue}}'.",
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missingSpaceBefore: "A space is required before '{{tokenValue}}'."
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}
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},
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create(context) {
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const spaced = context.options[0] === "always",
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sourceCode = context.getSourceCode();
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/**
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* Determines whether an option is set, relative to the spacing option.
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* If spaced is "always", then check whether option is set to false.
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* If spaced is "never", then check whether option is set to true.
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* @param {Object} option The option to exclude.
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* @returns {boolean} Whether or not the property is excluded.
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*/
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function isOptionSet(option) {
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return context.options[1] ? context.options[1][option] === !spaced : false;
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}
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const options = {
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spaced,
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singleElementException: isOptionSet("singleValue"),
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objectsInArraysException: isOptionSet("objectsInArrays"),
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arraysInArraysException: isOptionSet("arraysInArrays")
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};
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//--------------------------------------------------------------------------
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// Helpers
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//--------------------------------------------------------------------------
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/**
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* Reports that there shouldn't be a space after the first token
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* @param {ASTNode} node The node to report in the event of an error.
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* @param {Token} token The token to use for the report.
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* @returns {void}
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*/
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function reportNoBeginningSpace(node, token) {
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const nextToken = sourceCode.getTokenAfter(token);
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context.report({
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node,
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loc: { start: token.loc.end, end: nextToken.loc.start },
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messageId: "unexpectedSpaceAfter",
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data: {
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tokenValue: token.value
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},
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fix(fixer) {
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return fixer.removeRange([token.range[1], nextToken.range[0]]);
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}
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});
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}
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/**
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* Reports that there shouldn't be a space before the last token
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* @param {ASTNode} node The node to report in the event of an error.
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* @param {Token} token The token to use for the report.
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* @returns {void}
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*/
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function reportNoEndingSpace(node, token) {
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const previousToken = sourceCode.getTokenBefore(token);
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context.report({
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node,
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loc: { start: previousToken.loc.end, end: token.loc.start },
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messageId: "unexpectedSpaceBefore",
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data: {
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tokenValue: token.value
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},
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fix(fixer) {
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return fixer.removeRange([previousToken.range[1], token.range[0]]);
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}
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});
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}
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/**
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* Reports that there should be a space after the first token
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* @param {ASTNode} node The node to report in the event of an error.
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* @param {Token} token The token to use for the report.
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* @returns {void}
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*/
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function reportRequiredBeginningSpace(node, token) {
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context.report({
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node,
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loc: token.loc,
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messageId: "missingSpaceAfter",
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data: {
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tokenValue: token.value
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},
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fix(fixer) {
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return fixer.insertTextAfter(token, " ");
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}
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});
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}
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/**
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* Reports that there should be a space before the last token
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* @param {ASTNode} node The node to report in the event of an error.
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* @param {Token} token The token to use for the report.
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* @returns {void}
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*/
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function reportRequiredEndingSpace(node, token) {
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context.report({
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node,
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loc: token.loc,
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messageId: "missingSpaceBefore",
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data: {
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tokenValue: token.value
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},
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fix(fixer) {
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return fixer.insertTextBefore(token, " ");
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}
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});
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}
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/**
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* Determines if a node is an object type
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* @param {ASTNode} node The node to check.
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* @returns {boolean} Whether or not the node is an object type.
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*/
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function isObjectType(node) {
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return node && (node.type === "ObjectExpression" || node.type === "ObjectPattern");
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}
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/**
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* Determines if a node is an array type
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* @param {ASTNode} node The node to check.
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* @returns {boolean} Whether or not the node is an array type.
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*/
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function isArrayType(node) {
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return node && (node.type === "ArrayExpression" || node.type === "ArrayPattern");
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}
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/**
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* Validates the spacing around array brackets
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* @param {ASTNode} node The node we're checking for spacing
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* @returns {void}
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*/
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function validateArraySpacing(node) {
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if (options.spaced && node.elements.length === 0) {
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return;
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}
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const first = sourceCode.getFirstToken(node),
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second = sourceCode.getFirstToken(node, 1),
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last = node.typeAnnotation
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? sourceCode.getTokenBefore(node.typeAnnotation)
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: sourceCode.getLastToken(node),
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penultimate = sourceCode.getTokenBefore(last),
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firstElement = node.elements[0],
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lastElement = node.elements[node.elements.length - 1];
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const openingBracketMustBeSpaced =
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options.objectsInArraysException && isObjectType(firstElement) ||
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options.arraysInArraysException && isArrayType(firstElement) ||
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options.singleElementException && node.elements.length === 1
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? !options.spaced : options.spaced;
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const closingBracketMustBeSpaced =
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options.objectsInArraysException && isObjectType(lastElement) ||
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options.arraysInArraysException && isArrayType(lastElement) ||
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options.singleElementException && node.elements.length === 1
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? !options.spaced : options.spaced;
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if (astUtils.isTokenOnSameLine(first, second)) {
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if (openingBracketMustBeSpaced && !sourceCode.isSpaceBetweenTokens(first, second)) {
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reportRequiredBeginningSpace(node, first);
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}
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if (!openingBracketMustBeSpaced && sourceCode.isSpaceBetweenTokens(first, second)) {
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reportNoBeginningSpace(node, first);
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}
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}
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if (first !== penultimate && astUtils.isTokenOnSameLine(penultimate, last)) {
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if (closingBracketMustBeSpaced && !sourceCode.isSpaceBetweenTokens(penultimate, last)) {
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reportRequiredEndingSpace(node, last);
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}
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if (!closingBracketMustBeSpaced && sourceCode.isSpaceBetweenTokens(penultimate, last)) {
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reportNoEndingSpace(node, last);
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}
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}
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}
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//--------------------------------------------------------------------------
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// Public
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//--------------------------------------------------------------------------
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return {
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ArrayPattern: validateArraySpacing,
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ArrayExpression: validateArraySpacing
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};
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}
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};
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