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diff --git a/tools/eslint/lib/rules/space-in-brackets.js b/tools/eslint/lib/rules/space-in-brackets.js
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-/**
- * @fileoverview Disallows or enforces spaces inside of brackets.
- * @author Ian Christian Myers
- * @copyright 2014 Brandyn Bennett. All rights reserved.
- * @copyright 2014 Michael Ficarra. No rights reserved.
- * @copyright 2014 Vignesh Anand. All rights reserved.
- */
-"use strict";
-
-//------------------------------------------------------------------------------
-// Rule Definition
-//------------------------------------------------------------------------------
-
-module.exports = function(context) {
- var spaced = context.options[0] === "always";
-
- /**
- * Determines whether an option is set, relative to the spacing option.
- * If spaced is "always", then check whether option is set to false.
- * If spaced is "never", then check whether option is set to true.
- * @param {Object} option - The option to exclude.
- * @returns {boolean} Whether or not the property is excluded.
- */
- function isOptionSet(option) {
- return context.options[1] != null ? context.options[1][option] === !spaced : false;
- }
-
- var options = {
- spaced: spaced,
- singleElementException: isOptionSet("singleValue"),
- objectsInArraysException: isOptionSet("objectsInArrays"),
- arraysInArraysException: isOptionSet("arraysInArrays"),
- arraysInObjectsException: isOptionSet("arraysInObjects"),
- objectsInObjectsException: isOptionSet("objectsInObjects"),
- propertyNameException: isOptionSet("propertyName")
- };
-
- //--------------------------------------------------------------------------
- // Helpers
- //--------------------------------------------------------------------------
-
- /**
- * Determines whether two adjacent tokens are have whitespace between them.
- * @param {Object} left - The left token object.
- * @param {Object} right - The right token object.
- * @returns {boolean} Whether or not there is space between the tokens.
- */
- function isSpaced(left, right) {
- return left.range[1] < right.range[0];
- }
-
- /**
- * Determines whether two adjacent tokens are on the same line.
- * @param {Object} left - The left token object.
- * @param {Object} right - The right token object.
- * @returns {boolean} Whether or not the tokens are on the same line.
- */
- function isSameLine(left, right) {
- return left.loc.start.line === right.loc.start.line;
- }
-
- /**
- * Reports that there shouldn't be a space after the first token
- * @param {ASTNode} node - The node to report in the event of an error.
- * @param {Token} token - The token to use for the report.
- * @returns {void}
- */
- function reportNoBeginningSpace(node, token) {
- context.report(node, token.loc.start,
- "There should be no space after '" + token.value + "'");
- }
-
- /**
- * Reports that there shouldn't be a space before the last token
- * @param {ASTNode} node - The node to report in the event of an error.
- * @param {Token} token - The token to use for the report.
- * @returns {void}
- */
- function reportNoEndingSpace(node, token) {
- context.report(node, token.loc.start,
- "There should be no space before '" + token.value + "'");
- }
-
- /**
- * Reports that there should be a space after the first token
- * @param {ASTNode} node - The node to report in the event of an error.
- * @param {Token} token - The token to use for the report.
- * @returns {void}
- */
- function reportRequiredBeginningSpace(node, token) {
- context.report(node, token.loc.start,
- "A space is required after '" + token.value + "'");
- }
-
- /**
- * Reports that there should be a space before the last token
- * @param {ASTNode} node - The node to report in the event of an error.
- * @param {Token} token - The token to use for the report.
- * @returns {void}
- */
- function reportRequiredEndingSpace(node, token) {
- context.report(node, token.loc.start,
- "A space is required before '" + token.value + "'");
- }
-
-
- /**
- * Determines if spacing in curly braces is valid.
- * @param {ASTNode} node The AST node to check.
- * @param {Token} first The first token to check (should be the opening brace)
- * @param {Token} second The second token to check (should be first after the opening brace)
- * @param {Token} penultimate The penultimate token to check (should be last before closing brace)
- * @param {Token} last The last token to check (should be closing brace)
- * @returns {void}
- */
- function validateBraceSpacing(node, first, second, penultimate, last) {
- var closingCurlyBraceMustBeSpaced =
- options.arraysInObjectsException && penultimate.value === "]" ||
- options.objectsInObjectsException && penultimate.value === "}"
- ? !options.spaced : options.spaced;
-
- if (isSameLine(first, second)) {
- if (options.spaced && !isSpaced(first, second)) {
- reportRequiredBeginningSpace(node, first);
- }
- if (!options.spaced && isSpaced(first, second)) {
- reportNoBeginningSpace(node, first);
- }
- }
-
- if (isSameLine(penultimate, last)) {
- if (closingCurlyBraceMustBeSpaced && !isSpaced(penultimate, last)) {
- reportRequiredEndingSpace(node, last);
- }
- if (!closingCurlyBraceMustBeSpaced && isSpaced(penultimate, last)) {
- reportNoEndingSpace(node, last);
- }
- }
- }
-
- //--------------------------------------------------------------------------
- // Public
- //--------------------------------------------------------------------------
-
- return {
-
- MemberExpression: function(node) {
- if (!node.computed) {
- return;
- }
-
- var property = node.property,
- before = context.getTokenBefore(property),
- first = context.getFirstToken(property),
- last = context.getLastToken(property),
- after = context.getTokenAfter(property);
-
- var propertyNameMustBeSpaced = options.propertyNameException ?
- !options.spaced : options.spaced;
-
- if (isSameLine(before, first)) {
- if (propertyNameMustBeSpaced) {
- if (!isSpaced(before, first) && isSameLine(before, first)) {
- reportRequiredBeginningSpace(node, before);
- }
- } else {
- if (isSpaced(before, first)) {
- reportNoBeginningSpace(node, before);
- }
- }
- }
-
- if (isSameLine(last, after)) {
- if (propertyNameMustBeSpaced) {
- if (!isSpaced(last, after) && isSameLine(last, after)) {
- reportRequiredEndingSpace(node, after);
- }
- } else {
- if (isSpaced(last, after)) {
- reportNoEndingSpace(node, after);
- }
- }
- }
- },
-
- ArrayExpression: function(node) {
- if (node.elements.length === 0) {
- return;
- }
-
- var first = context.getFirstToken(node),
- second = context.getFirstToken(node, 1),
- penultimate = context.getLastToken(node, 1),
- last = context.getLastToken(node);
-
- var openingBracketMustBeSpaced =
- options.objectsInArraysException && second.value === "{" ||
- options.arraysInArraysException && second.value === "[" ||
- options.singleElementException && node.elements.length === 1
- ? !options.spaced : options.spaced;
-
- var closingBracketMustBeSpaced =
- options.objectsInArraysException && penultimate.value === "}" ||
- options.arraysInArraysException && penultimate.value === "]" ||
- options.singleElementException && node.elements.length === 1
- ? !options.spaced : options.spaced;
-
- if (isSameLine(first, second)) {
- if (openingBracketMustBeSpaced && !isSpaced(first, second)) {
- reportRequiredBeginningSpace(node, first);
- }
- if (!openingBracketMustBeSpaced && isSpaced(first, second)) {
- reportNoBeginningSpace(node, first);
- }
- }
-
- if (isSameLine(penultimate, last)) {
- if (closingBracketMustBeSpaced && !isSpaced(penultimate, last)) {
- reportRequiredEndingSpace(node, last);
- }
- if (!closingBracketMustBeSpaced && isSpaced(penultimate, last)) {
- reportNoEndingSpace(node, last);
- }
- }
- },
-
- ImportDeclaration: function(node) {
-
- var firstSpecifier = node.specifiers[0],
- lastSpecifier = node.specifiers[node.specifiers.length - 1];
-
- // don't do anything for namespace or default imports
- if (firstSpecifier && lastSpecifier && firstSpecifier.type === "ImportSpecifier" && lastSpecifier.type === "ImportSpecifier") {
- var first = context.getTokenBefore(firstSpecifier),
- second = context.getFirstToken(firstSpecifier),
- penultimate = context.getLastToken(lastSpecifier),
- last = context.getTokenAfter(lastSpecifier);
-
- validateBraceSpacing(node, first, second, penultimate, last);
- }
-
- },
-
- ExportNamedDeclaration: function(node) {
- if (!node.specifiers.length) {
- return;
- }
-
- var firstSpecifier = node.specifiers[0],
- lastSpecifier = node.specifiers[node.specifiers.length - 1],
- first = context.getTokenBefore(firstSpecifier),
- second = context.getFirstToken(firstSpecifier),
- penultimate = context.getLastToken(lastSpecifier),
- last = context.getTokenAfter(lastSpecifier);
-
- validateBraceSpacing(node, first, second, penultimate, last);
-
- },
-
- ObjectExpression: function(node) {
- if (node.properties.length === 0) {
- return;
- }
-
- var first = context.getFirstToken(node),
- second = context.getFirstToken(node, 1),
- penultimate = context.getLastToken(node, 1),
- last = context.getLastToken(node);
-
- validateBraceSpacing(node, first, second, penultimate, last);
- }
-
- };
-
-};
-
-module.exports.schema = [
- {
- "enum": ["always", "never"]
- },
- {
- "type": "object",
- "properties": {
- "singleValue": {
- "type": "boolean"
- },
- "objectsInArrays": {
- "type": "boolean"
- },
- "arraysInArrays": {
- "type": "boolean"
- },
- "arraysInObjects": {
- "type": "boolean"
- },
- "objectsInObjects": {
- "type": "boolean"
- },
- "propertyName": {
- "type": "boolean"
- }
- },
- "additionalProperties": false
- }
-];
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