Merge pull request babel/eslint-plugin-babel#38 from zaygraveyard/issue36
Fix: `object-curly-spacing` had been crashing on an empty object patt…
This commit is contained in:
Jason Quense
parent
885bfe95dc
commit
9eebd7b057
@ -6,6 +6,8 @@
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* @copyright 2014 Vignesh Anand. All rights reserved.
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* @copyright 2015 Jamund Ferguson. All rights reserved.
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* @copyright 2015 Mathieu M-Gosselin. All rights reserved.
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* @copyright 2015 Toru Nagashima. All rights reserved.
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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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@ -14,7 +16,8 @@
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//------------------------------------------------------------------------------
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module.exports = function(context) {
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var spaced = context.options[0] === "always";
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var 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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@ -44,7 +47,7 @@ module.exports = function(context) {
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* @returns {boolean} Whether or not there is space between the tokens.
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*/
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function isSpaced(left, right) {
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return left.range[1] < right.range[0];
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return sourceCode.isSpaceBetweenTokens(left, right);
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}
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/**
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@ -64,7 +67,7 @@ module.exports = function(context) {
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* @returns {void}
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*/
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function reportNoBeginningSpace(node, token) {
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context.report(node, token.loc.start,
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context.report(node, token.loc.end,
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"There should be no space after '" + token.value + "'");
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}
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@ -86,7 +89,7 @@ module.exports = function(context) {
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* @returns {void}
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*/
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function reportRequiredBeginningSpace(node, token) {
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context.report(node, token.loc.start,
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context.report(node, token.loc.end,
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"A space is required after '" + token.value + "'");
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}
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@ -135,96 +138,115 @@ module.exports = function(context) {
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}
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}
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/**
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* Reports a given object node if spacing in curly braces is invalid.
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* @param {ASTNode} node - An ObjectExpression or ObjectPattern node to check.
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* @returns {void}
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*/
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function checkForObject(node) {
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if (node.properties.length === 0) {
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return;
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}
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var firstSpecifier = node.properties[0],
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lastSpecifier = node.properties[node.properties.length - 1];
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var first = sourceCode.getTokenBefore(firstSpecifier),
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last = sourceCode.getTokenAfter(lastSpecifier);
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// support trailing commas
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if (last.value === ",") {
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last = sourceCode.getTokenAfter(last);
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}
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var second = sourceCode.getTokenAfter(first),
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penultimate = sourceCode.getTokenBefore(last);
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validateBraceSpacing(node, first, second, penultimate, last);
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}
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/**
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* Reports a given import node if spacing in curly braces is invalid.
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* @param {ASTNode} node - An ImportDeclaration node to check.
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* @returns {void}
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*/
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function checkForImport(node) {
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if (node.specifiers.length === 0) {
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return;
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}
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var firstSpecifier = node.specifiers[0],
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lastSpecifier = node.specifiers[node.specifiers.length - 1];
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if (lastSpecifier.type !== "ImportSpecifier") {
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return;
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}
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if (firstSpecifier.type !== "ImportSpecifier") {
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firstSpecifier = node.specifiers[1];
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}
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var first = sourceCode.getTokenBefore(firstSpecifier),
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last = sourceCode.getTokenAfter(lastSpecifier);
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// to support a trailing comma.
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if (last.value === ",") {
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last = sourceCode.getTokenAfter(last);
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}
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var second = sourceCode.getTokenAfter(first),
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penultimate = sourceCode.getTokenBefore(last);
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validateBraceSpacing(node, first, second, penultimate, last);
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}
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/**
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* Reports a given export node if spacing in curly braces is invalid.
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* @param {ASTNode} node - An ExportNamedDeclaration node to check.
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* @returns {void}
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*/
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function checkForExport(node) {
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if (node.specifiers.length === 0) {
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return;
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}
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var firstSpecifier = node.specifiers[0],
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lastSpecifier = node.specifiers[node.specifiers.length - 1],
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first = sourceCode.getTokenBefore(firstSpecifier),
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last = sourceCode.getTokenAfter(lastSpecifier);
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// export * as x from '...';
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// export x from '...';
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if (first.value === "export") {
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return;
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}
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// to support a trailing comma.
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if (last.value === ",") {
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last = sourceCode.getTokenAfter(last);
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}
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var second = sourceCode.getTokenAfter(first),
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penultimate = sourceCode.getTokenBefore(last);
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validateBraceSpacing(node, first, second, penultimate, last);
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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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// var {x} = y;
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ObjectPattern: function(node) {
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var firstSpecifier = node.properties[0],
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lastSpecifier = node.properties[node.properties.length - 1];
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var first = context.getTokenBefore(firstSpecifier),
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second = context.getFirstToken(firstSpecifier),
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penultimate = context.getLastToken(lastSpecifier),
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last = context.getTokenAfter(lastSpecifier);
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// support trailing commas
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if (last.value === ",") {
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penultimate = last;
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last = context.getTokenAfter(last);
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}
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validateBraceSpacing(node, first, second, penultimate, last);
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},
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// import {y} from 'x';
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ImportDeclaration: function(node) {
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var firstSpecifier = node.specifiers[0],
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lastSpecifier = node.specifiers[node.specifiers.length - 1];
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// don't do anything for namespace or default imports
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if (firstSpecifier && lastSpecifier && firstSpecifier.type === "ImportSpecifier" && lastSpecifier.type === "ImportSpecifier") {
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var first = context.getTokenBefore(firstSpecifier),
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second = context.getFirstToken(firstSpecifier),
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penultimate = context.getLastToken(lastSpecifier),
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last = context.getTokenAfter(lastSpecifier);
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// support trailing commas
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if (last.value === ",") {
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penultimate = last;
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last = context.getTokenAfter(last);
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}
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validateBraceSpacing(node, first, second, penultimate, last);
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}
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},
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// export {name} from 'yo';
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ExportNamedDeclaration: function(node) {
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if (!node.specifiers.length) {
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return;
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}
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var firstSpecifier = node.specifiers[0],
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lastSpecifier = node.specifiers[node.specifiers.length - 1],
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first = context.getTokenBefore(firstSpecifier),
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second = context.getFirstToken(firstSpecifier),
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penultimate = context.getLastToken(lastSpecifier),
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last = context.getTokenAfter(lastSpecifier);
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if (first.value === "export") {
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return;
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}
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// support trailing commas
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if (last.value === ",") {
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penultimate = last;
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last = context.getTokenAfter(last);
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}
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validateBraceSpacing(node, first, second, penultimate, last);
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},
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ObjectPattern: checkForObject,
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// var y = {x: 'y'}
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ObjectExpression: function(node) {
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if (node.properties.length === 0) {
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return;
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}
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ObjectExpression: checkForObject,
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var first = context.getFirstToken(node),
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second = context.getFirstToken(node, 1),
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penultimate = context.getLastToken(node, 1),
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last = context.getLastToken(node);
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validateBraceSpacing(node, first, second, penultimate, last);
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}
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// import {y} from 'x';
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ImportDeclaration: checkForImport,
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// export {name} from 'yo';
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ExportNamedDeclaration: checkForExport
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};
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};
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@ -31,18 +31,28 @@ ruleTester.run('babel/object-curly-spacing', rule, {
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{ code: "var { x: { z }, y } = y", options: ["always"], ecmaFeatures: { destructuring: true } },
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{ code: "var {\ny,\n} = x", options: ["always"], ecmaFeatures: { destructuring: true } },
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{ code: "var { y, } = x", options: ["always"], ecmaFeatures: { destructuring: true } },
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{ code: "var { y: x } = x", options: ["always"], ecmaFeatures: { destructuring: true } },
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// always - import / export
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{ code: "import door from 'room'", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "import * as door from 'room'", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "import { door } from 'room'", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "import {\ndoor } from 'room'", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "export { door } from 'room'", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "import { house, mouse } from 'caravan'", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "import {\nhouse,\nmouse\n} from 'caravan'", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "import {\nhouse,\nmouse,\n} from 'caravan'", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "import house, { mouse } from 'caravan'", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "import door, { house, mouse } from 'caravan'", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "export { door }", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "export {\ndoor,\nhouse\n}", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "export {\ndoor,\nhouse,\n}", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "import 'room'", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "import { bar as x } from 'foo';", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "import { x, } from 'foo';", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "import {\nx,\n} from 'foo';", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "export { x, } from 'foo';", options: ["always"], ecmaFeatures: { modules: true } },
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{ code: "export {\nx,\n} from 'foo';", options: ["always"], ecmaFeatures: { modules: true } },
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// always - empty object
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{ code: "var foo = {};", options: ["always"] },
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@ -81,8 +91,11 @@ ruleTester.run('babel/object-curly-spacing', rule, {
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{ code: "var {\nx: {z\n}, y} = y", options: ["never"], ecmaFeatures: { destructuring: true } },
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{ code: "var {\ny,\n} = x", options: ["never"], ecmaFeatures: { destructuring: true } },
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{ code: "var {y,} = x", options: ["never"], ecmaFeatures: { destructuring: true } },
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{ code: "var {y:x} = x", options: ["never"], ecmaFeatures: { destructuring: true } },
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// never - import / export
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{ code: "import door from 'room'", options: ["never"], ecmaFeatures: { modules: true } },
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{ code: "import * as door from 'room'", options: ["never"], ecmaFeatures: { modules: true } },
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{ code: "import {door} from 'room'", options: ["never"], ecmaFeatures: { modules: true } },
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{ code: "export {door} from 'room'", options: ["never"], ecmaFeatures: { modules: true } },
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{ code: "import {\ndoor} from 'room'", options: ["never"], ecmaFeatures: { modules: true } },
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@ -95,6 +108,14 @@ ruleTester.run('babel/object-curly-spacing', rule, {
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{ code: "export {\ndoor,\nmouse\n}", options: ["never"], ecmaFeatures: { modules: true } },
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{ code: "export {\ndoor,\nmouse,\n}", options: ["never"], ecmaFeatures: { modules: true } },
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{ code: "import 'room'", options: ["never"], ecmaFeatures: { modules: true } },
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{ code: "import x, {bar} from 'foo';", options: ["never"], ecmaFeatures: { modules: true } },
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{ code: "import x, {bar, baz} from 'foo';", options: ["never"], ecmaFeatures: { modules: true } },
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{ code: "import {bar as y} from 'foo';", options: ["never"], ecmaFeatures: { modules: true } },
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{ code: "import {x,} from 'foo';", options: ["never"], ecmaFeatures: { modules: true } },
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{ code: "import {\nx,\n} from 'foo';", options: ["never"], ecmaFeatures: { modules: true } },
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{ code: "export {x,} from 'foo';", options: ["never"], ecmaFeatures: { modules: true } },
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{ code: "export {\nx,\n} from 'foo';", options: ["never"], ecmaFeatures: { modules: true } },
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// never - empty object
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{ code: "var foo = {};", options: ["never"] },
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@ -102,9 +123,32 @@ ruleTester.run('babel/object-curly-spacing', rule, {
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// never - objectsInObjects
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{ code: "var obj = {'foo': {'bar': 1, 'baz': 2} };", options: ["never", {"objectsInObjects": true}]},
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// https://github.com/eslint/eslint/issues/3658
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// Empty cases.
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{ code: "var {} = foo;", ecmaFeatures: { destructuring: true }},
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{ code: "var [] = foo;", ecmaFeatures: { destructuring: true }},
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{ code: "var {a: {}} = foo;", ecmaFeatures: { destructuring: true }},
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{ code: "var {a: []} = foo;", ecmaFeatures: { destructuring: true }},
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{ code: "import {} from 'foo';", ecmaFeatures: { modules: true }},
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{ code: "export {} from 'foo';", ecmaFeatures: { modules: true }},
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{ code: "export {};", ecmaFeatures: { modules: true }},
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{ code: "var {} = foo;", options: ["never"], ecmaFeatures: { destructuring: true }},
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{ code: "var [] = foo;", options: ["never"], ecmaFeatures: { destructuring: true }},
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{ code: "var {a: {}} = foo;", options: ["never"], ecmaFeatures: { destructuring: true }},
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{ code: "var {a: []} = foo;", options: ["never"], ecmaFeatures: { destructuring: true }},
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{ code: "import {} from 'foo';", options: ["never"], ecmaFeatures: { modules: true }},
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{ code: "export {} from 'foo';", options: ["never"], ecmaFeatures: { modules: true }},
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{ code: "export {};", options: ["never"], ecmaFeatures: { modules: true }},
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// Babel test cases.
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{ code: "export * as x from \"mod\";", parser: "babel-eslint", ecmaFeatures: { modules: true } },
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{ code: "export x from \"mod\";", parser: "babel-eslint", ecmaFeatures: { modules: true } },
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// always - destructuring typed object param
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{ code: "function fn({ a,b }:Object){}", options: ["always"], parser: "babel-eslint", ecmaFeatures: { destructuring: true } },
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// never - destructuring typed object param
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{ code: "function fn({a,b}: Object){}", options: ["never"], parser: "babel-eslint", ecmaFeatures: { destructuring: true } },
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],
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invalid: [
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@ -119,7 +163,7 @@ ruleTester.run('babel/object-curly-spacing', rule, {
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message: "A space is required after '{'",
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type: "ImportDeclaration",
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line: 1,
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column: 8
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column: 9
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},
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{
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message: "A space is required before '}'",
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@ -129,6 +173,175 @@ ruleTester.run('babel/object-curly-spacing', rule, {
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}
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]
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},
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{
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code: "import { bar as y} from 'foo.js';",
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options: ["always"],
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ecmaFeatures: {
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modules: true
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},
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errors: [
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{
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message: "A space is required before '}'",
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type: "ImportDeclaration",
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line: 1,
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column: 18
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}
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]
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},
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{
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code: "import {bar as y} from 'foo.js';",
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options: ["always"],
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ecmaFeatures: {
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modules: true
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},
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errors: [
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{
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message: "A space is required after '{'",
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type: "ImportDeclaration",
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line: 1,
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column: 9
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},
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{
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message: "A space is required before '}'",
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type: "ImportDeclaration",
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line: 1,
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column: 17
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}
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||||
]
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},
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||||
{
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code: "import { bar} from 'foo.js';",
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options: ["always"],
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ecmaFeatures: {
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modules: true
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},
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errors: [
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||||
{
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||||
message: "A space is required before '}'",
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type: "ImportDeclaration",
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line: 1,
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column: 13
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}
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]
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},
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{
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code: "import x, { bar} from 'foo';",
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options: ["always"],
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ecmaFeatures: {
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modules: true
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},
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errors: [
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{
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message: "A space is required before '}'",
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type: "ImportDeclaration",
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line: 1,
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column: 16
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}
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||||
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]
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},
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{
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code: "import x, { bar, baz} from 'foo';",
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options: ["always"],
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ecmaFeatures: {
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modules: true
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},
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errors: [
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||||
{
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||||
message: "A space is required before '}'",
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type: "ImportDeclaration",
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line: 1,
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column: 21
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}
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||||
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]
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||||
},
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||||
{
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code: "import x, {bar} from 'foo';",
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options: ["always"],
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ecmaFeatures: {
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modules: true
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},
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errors: [
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||||
{
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||||
message: "A space is required after '{'",
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type: "ImportDeclaration",
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line: 1,
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column: 12
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||||
},
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||||
{
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||||
message: "A space is required before '}'",
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type: "ImportDeclaration",
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line: 1,
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column: 15
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}
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||||
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||||
]
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||||
},
|
||||
{
|
||||
code: "import x, {bar, baz} from 'foo';",
|
||||
options: ["always"],
|
||||
ecmaFeatures: {
|
||||
modules: true
|
||||
},
|
||||
errors: [
|
||||
{
|
||||
message: "A space is required after '{'",
|
||||
type: "ImportDeclaration",
|
||||
line: 1,
|
||||
column: 12
|
||||
},
|
||||
{
|
||||
message: "A space is required before '}'",
|
||||
type: "ImportDeclaration",
|
||||
line: 1,
|
||||
column: 20
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
code: "import {bar,} from 'foo';",
|
||||
options: ["always"],
|
||||
ecmaFeatures: {
|
||||
modules: true
|
||||
},
|
||||
errors: [
|
||||
{
|
||||
message: "A space is required after '{'",
|
||||
type: "ImportDeclaration",
|
||||
line: 1,
|
||||
column: 9
|
||||
},
|
||||
{
|
||||
message: "A space is required before '}'",
|
||||
type: "ImportDeclaration",
|
||||
line: 1,
|
||||
column: 13
|
||||
}
|
||||
|
||||
]
|
||||
},
|
||||
{
|
||||
code: "import { bar, } from 'foo';",
|
||||
options: ["never"],
|
||||
ecmaFeatures: {
|
||||
modules: true
|
||||
},
|
||||
errors: [
|
||||
{
|
||||
message: "There should be no space after '{'",
|
||||
type: "ImportDeclaration",
|
||||
line: 1,
|
||||
column: 9
|
||||
},
|
||||
{
|
||||
message: "There should be no space before '}'",
|
||||
type: "ImportDeclaration",
|
||||
line: 1,
|
||||
column: 15
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
code: "export {bar};",
|
||||
options: ["always"],
|
||||
@ -140,7 +353,7 @@ ruleTester.run('babel/object-curly-spacing', rule, {
|
||||
message: "A space is required after '{'",
|
||||
type: "ExportNamedDeclaration",
|
||||
line: 1,
|
||||
column: 8
|
||||
column: 9
|
||||
},
|
||||
{
|
||||
message: "A space is required before '}'",
|
||||
@ -226,6 +439,38 @@ ruleTester.run('babel/object-curly-spacing', rule, {
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
code: "var {a:b } = x;",
|
||||
options: ["never"],
|
||||
ecmaFeatures: { destructuring: true },
|
||||
errors: [
|
||||
{
|
||||
message: "There should be no space before '}'",
|
||||
type: "ObjectPattern",
|
||||
line: 1,
|
||||
column: 10
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
code: "var { a:b } = x;",
|
||||
options: ["never"],
|
||||
ecmaFeatures: { destructuring: true },
|
||||
errors: [
|
||||
{
|
||||
message: "There should be no space after '{'",
|
||||
type: "ObjectPattern",
|
||||
line: 1,
|
||||
column: 6
|
||||
},
|
||||
{
|
||||
message: "There should be no space before '}'",
|
||||
type: "ObjectPattern",
|
||||
line: 1,
|
||||
column: 11
|
||||
}
|
||||
]
|
||||
},
|
||||
|
||||
// never-objectsInObjects
|
||||
{
|
||||
@ -262,7 +507,7 @@ ruleTester.run('babel/object-curly-spacing', rule, {
|
||||
message: "A space is required after '{'",
|
||||
type: "ObjectExpression",
|
||||
line: 1,
|
||||
column: 11
|
||||
column: 12
|
||||
},
|
||||
{
|
||||
message: "A space is required before '}'",
|
||||
@ -280,7 +525,7 @@ ruleTester.run('babel/object-curly-spacing', rule, {
|
||||
message: "A space is required after '{'",
|
||||
type: "ObjectExpression",
|
||||
line: 1,
|
||||
column: 11
|
||||
column: 12
|
||||
}
|
||||
]
|
||||
},
|
||||
@ -304,7 +549,7 @@ ruleTester.run('babel/object-curly-spacing', rule, {
|
||||
message: "There should be no space after '{'",
|
||||
type: "ObjectExpression",
|
||||
line: 1,
|
||||
column: 11
|
||||
column: 12
|
||||
},
|
||||
{
|
||||
message: "There should be no space before '}'",
|
||||
@ -334,7 +579,7 @@ ruleTester.run('babel/object-curly-spacing', rule, {
|
||||
message: "There should be no space after '{'",
|
||||
type: "ObjectExpression",
|
||||
line: 1,
|
||||
column: 11
|
||||
column: 12
|
||||
}
|
||||
]
|
||||
},
|
||||
@ -346,13 +591,13 @@ ruleTester.run('babel/object-curly-spacing', rule, {
|
||||
message: "There should be no space after '{'",
|
||||
type: "ObjectExpression",
|
||||
line: 1,
|
||||
column: 11
|
||||
column: 12
|
||||
},
|
||||
{
|
||||
message: "There should be no space after '{'",
|
||||
type: "ObjectExpression",
|
||||
line: 1,
|
||||
column: 18
|
||||
column: 19
|
||||
}
|
||||
]
|
||||
},
|
||||
@ -386,7 +631,7 @@ ruleTester.run('babel/object-curly-spacing', rule, {
|
||||
message: "A space is required after '{'",
|
||||
type: "ObjectExpression",
|
||||
line: 1,
|
||||
column: 22
|
||||
column: 23
|
||||
}
|
||||
]
|
||||
},
|
||||
@ -394,6 +639,7 @@ ruleTester.run('babel/object-curly-spacing', rule, {
|
||||
// destructuring
|
||||
{
|
||||
code: "var {x, y} = y",
|
||||
utput: "var { x, y = y",
|
||||
ecmaFeatures: {destructuring: true},
|
||||
options: ["always"],
|
||||
errors: [
|
||||
@ -401,7 +647,7 @@ ruleTester.run('babel/object-curly-spacing', rule, {
|
||||
message: "A space is required after '{'",
|
||||
type: "ObjectPattern",
|
||||
line: 1,
|
||||
column: 5
|
||||
column: 6
|
||||
},
|
||||
{
|
||||
message: "A space is required before '}'",
|
||||
@ -413,6 +659,7 @@ ruleTester.run('babel/object-curly-spacing', rule, {
|
||||
},
|
||||
{
|
||||
code: "var { x, y} = y",
|
||||
ouput: "var { x, y } y",
|
||||
ecmaFeatures: {destructuring: true},
|
||||
options: ["always"],
|
||||
errors: [
|
||||
@ -426,6 +673,7 @@ ruleTester.run('babel/object-curly-spacing', rule, {
|
||||
},
|
||||
{
|
||||
code: "var { x, y } = y",
|
||||
ouput: "var {x, y} = ",
|
||||
ecmaFeatures: {destructuring: true},
|
||||
options: ["never"],
|
||||
errors: [
|
||||
@ -433,7 +681,7 @@ ruleTester.run('babel/object-curly-spacing', rule, {
|
||||
message: "There should be no space after '{'",
|
||||
type: "ObjectPattern",
|
||||
line: 1,
|
||||
column: 5
|
||||
column: 6
|
||||
},
|
||||
{
|
||||
message: "There should be no space before '}'",
|
||||
@ -478,7 +726,7 @@ ruleTester.run('babel/object-curly-spacing', rule, {
|
||||
message: "A space is required after '{'",
|
||||
type: "ObjectPattern",
|
||||
line: 1,
|
||||
column: 5
|
||||
column: 6
|
||||
}
|
||||
]
|
||||
},
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user