Breaking: Deprecate built-in rules (babel/eslint-plugin-babel#115)

* Deprecate built-in rules

* fix update to babel-eslint 7 with awaitexpression

* deprecate flow-object-type
This commit is contained in:
Henry Zhu 2016-11-17 16:39:04 -05:00
parent 48010c551b
commit d38551cc23
14 changed files with 125 additions and 3178 deletions

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@ -26,15 +26,10 @@ original ones as well!).
```json ```json
{ {
"rules": { "rules": {
"babel/generator-star-spacing": 1,
"babel/new-cap": 1, "babel/new-cap": 1,
"babel/array-bracket-spacing": 1,
"babel/object-curly-spacing": 1, "babel/object-curly-spacing": 1,
"babel/object-shorthand": 1,
"babel/arrow-parens": 1,
"babel/no-await-in-loop": 1, "babel/no-await-in-loop": 1,
"babel/flow-object-type": 1, "babel/flow-object-type": 1,
"babel/func-params-comma-dangle": 1,
"babel/no-invalid-this": 1 "babel/no-invalid-this": 1
} }
} }
@ -45,19 +40,20 @@ Each rule corresponds to a core `eslint` rule, and has the same options.
🛠 : means it's autofixable with `--fix`. 🛠 : means it's autofixable with `--fix`.
- `babel/generator-star-spacing`: Handles async/await functions correctly
- `babel/new-cap`: Ignores capitalized decorators (`@Decorator`) - `babel/new-cap`: Ignores capitalized decorators (`@Decorator`)
- `babel/array-bracket-spacing`: Handles destructuring arrays with flow type in function parameters (🛠 )
- `babel/object-curly-spacing`: doesn't complain about `export x from "mod";` or `export * as x from "mod";` (🛠 ) - `babel/object-curly-spacing`: doesn't complain about `export x from "mod";` or `export * as x from "mod";` (🛠 )
- `babel/object-shorthand`: doesn't fail when using object spread (`...obj`)
- `babel/arrow-parens`: Handles async functions correctly (🛠 )
- `babel/no-invalid-this`: doesn't fail when inside class properties (`class A { a = this.b; }`) - `babel/no-invalid-this`: doesn't fail when inside class properties (`class A { a = this.b; }`)
The following rules are not in `eslint`, but are relevant only to syntax that is not specified by The following rules are not in `eslint`, but are relevant only to syntax that is not specified by
the current JavaScript standard or supported by `eslint`. the current JavaScript standard or supported by `eslint`.
- `babel/no-await-in-loop`: guard against awaiting async functions inside of a loop - `babel/no-await-in-loop`: guard against awaiting async functions inside of a loop
- `babel/flow-object-type`: Require a particular separator between properties in Flow object types. (🛠 )
- Use the option `semicolon` to require semicolons (e.g. `type Foo = { bar: number; baz: string }`). #### Deprecated
- Use the option `comma` to require commas (e.g. `type Foo = { bar: number, baz: string }`).
- `babel/func-params-comma-dangle`: Require or forbid trailing commas for function paramater lists. Behaves like, and takes the same options as, `eslint`'s [`comma-dangle`](http://eslint.org/docs/rules/comma-dangle). (🛠 ) - `babel/generator-star-spacing`: Use [`generator-star-spacing`](http://eslint.org/docs/rules/generator-star-spacing).
- `babel/object-shorthand`: Use [`object-shorthand`](http://eslint.org/docs/rules/object-shorthand).
- `babel/arrow-parens`: Use [`arrow-parens`](http://eslint.org/docs/rules/arrow-parens).
- `babel/func-params-comma-dangle`: Use [`comma-dangle`](http://eslint.org/docs/rules/comma-dangle).
- `babel/array-bracket-spacing`: Use [`array-bracket-spacing`](http://eslint.org/docs/rules/array-bracket-spacing).
- `babel/flow-object-type`: Use [`flowtype/object-type-delimiter`](https://github.com/gajus/eslint-plugin-flowtype#eslint-plugin-flowtype-rules-object-type-delimiter).

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@ -1,203 +1,20 @@
/**
* @fileoverview Disallows or enforces spaces inside of array brackets.
* @author Jamund Ferguson
* @copyright 2015 Jamund Ferguson. All rights reserved.
* @copyright 2014 Brandyn Bennett. All rights reserved.
* @copyright 2014 Michael Ficarra. No rights reserved.
* @copyright 2014 Vignesh Anand. All rights reserved.
*/
"use strict"; "use strict";
//------------------------------------------------------------------------------ var isWarnedForDeprecation = false;
// Rule Definition module.exports = function() {
//------------------------------------------------------------------------------ return {
Program() {
module.exports = function(context) { if (isWarnedForDeprecation || /\=-(f|-format)=/.test(process.argv.join('='))) {
var spaced = context.options[0] === "always",
sourceCode = context.getSourceCode();
/**
* 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] ? context.options[1][option] === !spaced : false;
}
var options = {
spaced: spaced,
singleElementException: isOptionSet("singleValue"),
objectsInArraysException: isOptionSet("objectsInArrays"),
arraysInArraysException: isOptionSet("arraysInArrays")
};
//--------------------------------------------------------------------------
// Helpers
//--------------------------------------------------------------------------
/**
* 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: node,
loc: token.loc.start,
message: "There should be no space after '" + token.value + "'",
fix: function(fixer) {
var nextToken = sourceCode.getTokenAfter(token);
return fixer.removeRange([token.range[1], nextToken.range[0]]);
}
});
}
/**
* 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: node,
loc: token.loc.start,
message: "There should be no space before '" + token.value + "'",
fix: function(fixer) {
var previousToken = sourceCode.getTokenBefore(token);
return fixer.removeRange([previousToken.range[1], token.range[0]]);
}
});
}
/**
* 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: node,
loc: token.loc.start,
message: "A space is required after '" + token.value + "'",
fix: function(fixer) {
return fixer.insertTextAfter(token, " ");
}
});
}
/**
* 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: node,
loc: token.loc.start,
message: "A space is required before '" + token.value + "'",
fix: function(fixer) {
return fixer.insertTextBefore(token, " ");
}
});
}
/**
* Determines if a node is an object type
* @param {ASTNode} node - The node to check.
* @returns {boolean} Whether or not the node is an object type.
*/
function isObjectType(node) {
return node && (node.type === "ObjectExpression" || node.type === "ObjectPattern");
}
/**
* Determines if a node is an array type
* @param {ASTNode} node - The node to check.
* @returns {boolean} Whether or not the node is an array type.
*/
function isArrayType(node) {
return node && (node.type === "ArrayExpression" || node.type === "ArrayPattern");
}
/**
* Validates the spacing around array brackets
* @param {ASTNode} node - The node we're checking for spacing
* @returns {void}
*/
function validateArraySpacing(node) {
if (options.spaced && node.elements.length === 0) {
return; return;
} }
var first = sourceCode.getFirstToken(node), /* eslint-disable no-console */
second = sourceCode.getFirstToken(node, 1), console.log('The babel/array-bracket-spacing rule is deprecated. Please ' +
last = sourceCode.getLastToken(node), 'use the built in array-bracket-spacing rule instead.');
firstElement = node.elements[0], /* eslint-enable no-console */
lastElement = node.elements[node.elements.length - 1]; isWarnedForDeprecation = true;
while (last.type !== "Punctuation" && last.value !== "]") {
last = sourceCode.getTokenBefore(last);
} }
var penultimate = sourceCode.getTokenBefore(last);
var openingBracketMustBeSpaced =
options.objectsInArraysException && isObjectType(firstElement) ||
options.arraysInArraysException && isArrayType(firstElement) ||
options.singleElementException && node.elements.length === 1
? !options.spaced : options.spaced;
var closingBracketMustBeSpaced =
options.objectsInArraysException && isObjectType(lastElement) ||
options.arraysInArraysException && isArrayType(lastElement) ||
options.singleElementException && node.elements.length === 1
? !options.spaced : options.spaced;
if (isSameLine(first, second)) {
if (openingBracketMustBeSpaced && !sourceCode.isSpaceBetweenTokens(first, second)) {
reportRequiredBeginningSpace(node, first);
}
if (!openingBracketMustBeSpaced && sourceCode.isSpaceBetweenTokens(first, second)) {
reportNoBeginningSpace(node, first);
}
}
if (first !== penultimate && isSameLine(penultimate, last)) {
if (closingBracketMustBeSpaced && !sourceCode.isSpaceBetweenTokens(penultimate, last)) {
reportRequiredEndingSpace(node, last);
}
if (!closingBracketMustBeSpaced && sourceCode.isSpaceBetweenTokens(penultimate, last)) {
reportNoEndingSpace(node, last);
}
}
}
//--------------------------------------------------------------------------
// Public
//--------------------------------------------------------------------------
return {
ArrayPattern: validateArraySpacing,
ArrayExpression: validateArraySpacing
}; };
}; };
module.exports.schema = [ module.exports.schema = [

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@ -1,67 +1,19 @@
/**
* @fileoverview Rule to require parens in arrow function arguments.
* @author Jxck
* @copyright 2015 Jxck. All rights reserved.
*/
"use strict"; "use strict";
//------------------------------------------------------------------------------ var isWarnedForDeprecation = false;
// Rule Definition module.exports = function() {
//------------------------------------------------------------------------------ return {
Program() {
module.exports = function(context) { if (isWarnedForDeprecation || /\=-(f|-format)=/.test(process.argv.join('='))) {
var message = "Expected parentheses around arrow function argument.";
var asNeededMessage = "Unexpected parentheses around single function argument";
var asNeeded = context.options[0] === "as-needed";
/**
* Determines whether a arrow function argument end with `)`
* @param {ASTNode} node The arrow function node.
* @returns {void}
*/
function parens(node) {
var token = context.getFirstToken(node);
if (node.async) token = context.getTokenAfter(token);
// as-needed: x => x
if (asNeeded && node.params.length === 1
&& node.params[0].type === "Identifier"
&& node.params[0].typeAnnotation === undefined) {
if (token.type === "Punctuator" && token.value === "(") {
context.report({
node: node,
message: asNeededMessage,
fix: function(fixer) {
var paramToken = context.getTokenAfter(token);
var closingParenToken = context.getTokenAfter(paramToken);
return fixer.replaceTextRange([
token.range[0],
closingParenToken.range[1]
], paramToken.value);
}
});
}
return; return;
} }
if (token.type === "Identifier") { /* eslint-disable no-console */
var after = context.getTokenAfter(token); console.log('The babel/arrow-parens rule is deprecated. Please ' +
'use the built in arrow-parens rule instead.');
// (x) => x /* eslint-enable no-console */
if (after.value !== ")") { isWarnedForDeprecation = true;
context.report({
node: node,
message: message,
fix: function(fixer) {
return fixer.replaceText(token, '(' + token.value + ')');
} }
});
}
}
}
return {
"ArrowFunctionExpression": parens
}; };
}; };

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@ -1,47 +1,20 @@
/**
* @fileoverview Enforces a choice between semicolons and commas in Flow object and class types.
* @author Nat Mote
*/
"use strict"; "use strict";
var SEMICOLON = { var isWarnedForDeprecation = false;
char: ';', module.exports = function() {
name: 'semicolon',
}
var COMMA = {
char: ',',
name: 'comma',
};
module.exports = function(context) {
var GOOD;
var BAD;
if (context.options[0] === undefined || context.options[0] === SEMICOLON.name) {
GOOD = SEMICOLON;
BAD = COMMA;
} else {
GOOD = COMMA;
BAD = SEMICOLON;
}
function requireProperPunctuation(node) {
var tokens = context.getSourceCode().getTokens(node);
var lastToken = tokens[tokens.length - 1];
if (lastToken.type === 'Punctuator') {
if (lastToken.value === BAD.char) {
context.report({
message: 'Prefer ' + GOOD.name + 's to ' + BAD.name + 's in object and class types',
node: lastToken,
fix: function(fixer) {
return fixer.replaceText(lastToken, GOOD.char);
},
});
}
}
}
return { return {
ObjectTypeProperty: requireProperPunctuation, Program() {
if (isWarnedForDeprecation || /\=-(f|-format)=/.test(process.argv.join('='))) {
return;
}
/* eslint-disable no-console */
console.log('The babel/flow-object-type rule is deprecated. Please ' +
'use the flowtype/object-type-delimiter rule instead.\n' +
'Check out https://github.com/gajus/eslint-plugin-flowtype#eslint-plugin-flowtype-rules-object-type-delimiter');
/* eslint-enable no-console */
isWarnedForDeprecation = true;
}
}; };
}; };

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@ -1,135 +1,22 @@
'use strict'; 'use strict';
// Based on https://github.com/eslint/eslint/blob/v2.11.1/lib/rules/comma-dangle.js var isWarnedForDeprecation = false;
module.exports = function() {
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
function last(arr) {
return arr.length !== 0 ? arr[arr.length - 1] : undefined;
}
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = function(context) {
var mode = context.options[0];
var UNEXPECTED_MESSAGE = 'Unexpected trailing comma.';
var MISSING_MESSAGE = 'Missing trailing comma.';
function isMultiline(node) {
var lastItem = last(node.params || node.arguments);
if (!lastItem) {
return false;
}
var sourceCode = context.getSourceCode();
var penultimateToken = sourceCode.getLastToken(lastItem);
var lastToken = sourceCode.getTokenAfter(penultimateToken);
if (lastToken.value === ',') {
penultimateToken = lastToken;
lastToken = sourceCode.getTokenAfter(lastToken);
}
return lastToken.loc.end.line !== penultimateToken.loc.end.line;
}
function forbidTrailingComma(node) {
var lastItem = last(node.params || node.arguments);
if (!lastItem) {
return;
}
var sourceCode = context.getSourceCode();
var trailingToken = sourceCode.getTokenAfter(lastItem);
if (trailingToken.value === ',') {
context.report({
node: lastItem,
loc: trailingToken.loc.start,
message: UNEXPECTED_MESSAGE,
fix: function(fixer) {
return fixer.remove(trailingToken);
}
});
}
}
function forceTrailingComma(node) {
var lastItem = last(node.params || node.arguments);
if (!lastItem) {
return;
}
// `f(...a,)` is ok, but `function f(...a,) {}` is invalid syntax.
if (lastItem.type === 'RestElement') {
return;
}
var sourceCode = context.getSourceCode();
var penultimateToken = lastItem;
var trailingToken = sourceCode.getTokenAfter(lastItem);
// `f = a, => {}` is invalid syntax.
if (node.type === 'ArrowFunctionExpression' &&
node.params.length === 1 &&
sourceCode.getTokenBefore(lastItem).value !== '(') {
return;
}
if (trailingToken.value !== ',') {
context.report({
node: lastItem,
loc: lastItem.loc.end,
message: MISSING_MESSAGE,
fix: function(fixer) {
return fixer.insertTextAfter(penultimateToken, ',');
}
});
}
}
function forceTrailingCommaIfMultiline(node) {
if (isMultiline(node)) {
forceTrailingComma(node);
} else {
forbidTrailingComma(node);
}
}
function allowTrailingCommaIfMultiline(node) {
if (!isMultiline(node)) {
forbidTrailingComma(node);
}
}
var checkForTrailingComma;
if (mode === 'always') {
checkForTrailingComma = forceTrailingComma;
} else if (mode === 'always-multiline') {
checkForTrailingComma = forceTrailingCommaIfMultiline;
} else if (mode === 'only-multiline') {
checkForTrailingComma = allowTrailingCommaIfMultiline;
} else {
checkForTrailingComma = forbidTrailingComma;
}
return { return {
ArrowFunctionExpression: checkForTrailingComma, Program() {
FunctionDeclaration: checkForTrailingComma, if (isWarnedForDeprecation || /\=-(f|-format)=/.test(process.argv.join('='))) {
FunctionExpression: checkForTrailingComma, return;
CallExpression: checkForTrailingComma, }
NewExpression: checkForTrailingComma,
/* eslint-disable no-console */
console.log('The babel/func-params-comma-dangle rule is deprecated. Please ' +
'use the built in comma-dangle rule instead.');
/* eslint-enable no-console */
isWarnedForDeprecation = true;
}
}; };
}; };
module.exports.fixable = 'code';
module.exports.schema = [ module.exports.schema = [
{ {
enum: ['always', 'always-multiline', 'only-multiline', 'never'] enum: ['always', 'always-multiline', 'only-multiline', 'never']

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@ -1,93 +1,20 @@
/**
* @fileoverview Rule to check the spacing around the * in generator functions.
* @author Jamund Ferguson
* @copyright 2015 Brandon Mills. All rights reserved.
* @copyright 2014 Jamund Ferguson. All rights reserved.
*/
"use strict"; "use strict";
module.exports = function(context) { var isWarnedForDeprecation = false;
module.exports = function() {
var mode = (function(option) {
if (option == null || typeof option === "string") {
return { return {
before: { before: true, after: false }, Program() {
after: { before: false, after: true }, if (isWarnedForDeprecation || /\=-(f|-format)=/.test(process.argv.join('='))) {
both: { before: true, after: true },
neither: { before: false, after: false }
}[option || "before"];
}
return option;
}(context.options[0]));
function isAsyncGenerator(node){
return context.getFirstToken(node, 2).value === '*'
}
/**
* Checks the spacing between two tokens before or after the star token.
* @param {string} side Either "before" or "after".
* @param {Token} leftToken `function` keyword token if side is "before", or
* star token if side is "after".
* @param {Token} rightToken Star token if side is "before", or identifier
* token if side is "after".
* @returns {void}
*/
function checkSpacing(side, leftToken, rightToken) {
if (!!(rightToken.range[0] - leftToken.range[1]) !== mode[side]) {
context.report(
leftToken.value === "*" ? leftToken : rightToken,
"{{type}} space {{side}} *.",
{
type: mode[side] ? "Missing" : "Unexpected",
side: side
}
);
}
}
/**
* Enforces the spacing around the star if node is a generator function.
* @param {ASTNode} node A function expression or declaration node.
* @returns {void}
*/
function checkFunction(node) {
var first = context.getFirstToken(node)
, isMethod = node.parent.method || node.parent.type === "MethodDefinition"
, isAsync = first.value === 'async';
var prevToken, starToken, nextToken;
if ( !node.generator || (isAsync && !isAsyncGenerator(node))) {
return; return;
} }
if (isMethod) { /* eslint-disable no-console */
starToken = context.getTokenBefore(node, 1); console.log('The babel/generator-star-spacing rule is deprecated. Please ' +
} else { 'use the built in generator-star-spacing rule instead.');
starToken = context.getFirstToken(node, isAsync ? 2 : 1); /* eslint-enable no-console */
isWarnedForDeprecation = true;
} }
// Only check before when preceded by `function` keyword
prevToken = context.getTokenBefore(starToken);
if (prevToken.value === "function" || prevToken.value === "static") {
checkSpacing("before", prevToken, starToken);
}
// Only check after when followed by an identifier
nextToken = context.getTokenAfter(starToken);
if (nextToken.type === "Identifier") {
checkSpacing("after", starToken, nextToken);
}
}
return {
"FunctionDeclaration": checkFunction,
"FunctionExpression": checkFunction
}; };
}; };
module.exports.schema = [ module.exports.schema = [

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@ -23,10 +23,7 @@ var boundaryTypes = {
module.exports = function(context) { module.exports = function(context) {
return { return {
// babel-eslint transpiles AwaitExpressions to YieldExpressions, but the actual node kind is AwaitExpression(node) {
// still available in _babelType.
YieldExpression: function(node) {
if (node._babelType === 'AwaitExpression') {
var ancestors = context.getAncestors(); var ancestors = context.getAncestors();
// Reverse so that we can traverse from the deepest node upwards. // Reverse so that we can traverse from the deepest node upwards.
ancestors.reverse(); ancestors.reverse();
@ -66,7 +63,6 @@ module.exports = function(context) {
} }
} }
} }
}
}, },
}; };
} }

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@ -1,68 +1,18 @@
"use strict";
/** var isWarnedForDeprecation = false;
* @fileoverview Rule to enforce concise object methods and properties. module.exports = function() {
* @author Jamund Ferguson
* @copyright 2015 Jamund Ferguson. All rights reserved.
*/
'use strict';
var OPTIONS = {
always: 'always',
never: 'never',
methods: 'methods',
properties: 'properties'
};
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = function(context) {
var APPLY = context.options[0] || OPTIONS.always;
var APPLY_TO_METHODS = APPLY === OPTIONS.methods || APPLY === OPTIONS.always;
var APPLY_TO_PROPS = APPLY === OPTIONS.properties || APPLY === OPTIONS.always;
var APPLY_NEVER = APPLY === OPTIONS.never;
return { return {
Property: function(node) { Program() {
var isConciseProperty = node.method || node.shorthand if (isWarnedForDeprecation || /\=-(f|-format)=/.test(process.argv.join('='))) {
, isSpreadProperty = !!this.getSource(node).match(/^\.\.\./)
, type;
// if we're 'never' and concise we should warn now
if (APPLY_NEVER && isConciseProperty) {
type = node.method ? 'method' : 'property';
context.report(node, 'Expected longform ' + type + ' syntax.');
}
// at this point if we're concise or if we're 'never' we can leave
if (APPLY_NEVER || isConciseProperty) {
return; return;
} }
// getters, setters and computed properties are ignored /* eslint-disable no-console */
if (node.kind === "get" || node.kind === "set" || node.computed) { console.log('The babel/object-shorthand rule is deprecated. Please ' +
return; 'use the built in object-shorthand rule instead.');
} /* eslint-enable no-console */
isWarnedForDeprecation = true;
if (isSpreadProperty) {
return;
}
if (node.value.type === 'FunctionExpression' && node.value.id == null && APPLY_TO_METHODS) {
// {x: function(){}} should be written as {x() {}}
context.report(node, 'Expected method shorthand.');
}
else if (node.value.type === 'Identifier' && node.key.name === node.value.name && APPLY_TO_PROPS) {
// {x: x} should be written as {x}
context.report(node, 'Expected property shorthand.');
}
else if (node.value.type === 'Identifier' && node.key.type === 'Literal' && node.key.value === node.value.name && APPLY_TO_PROPS) {
// {'x': x} should be written as {x}
context.report(node, 'Expected property shorthand.');
}
} }
}; };
}; };

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@ -1,733 +0,0 @@
/**
* @fileoverview Disallows or enforces spaces inside of brackets.
* @author Ian Christian Myers
* @copyright 2014 Vignesh Anand. All rights reserved.
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
var rule = require('../../rules/array-bracket-spacing'),
RuleTester = require('../RuleTester');
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
var ruleTester = new RuleTester();
ruleTester.run("array-bracket-spacing", rule, {
valid: [
{ code: "var foo = obj[ 1 ]", options: ["always"] },
{ code: "var foo = obj[ 'foo' ];", options: ["always"] },
{ code: "var foo = obj[ [ 1, 1 ] ];", options: ["always"] },
// always - singleValue
{ code: "var foo = ['foo']", options: ["always", {singleValue: false}] },
{ code: "var foo = [2]", options: ["always", {singleValue: false}] },
{ code: "var foo = [[ 1, 1 ]]", options: ["always", {singleValue: false}] },
{ code: "var foo = [{ 'foo': 'bar' }]", options: ["always", {singleValue: false}] },
{ code: "var foo = [bar]", options: ["always", {singleValue: false}] },
// always - objectsInArrays
{ code: "var foo = [{ 'bar': 'baz' }, 1, 5 ];", options: ["always", {objectsInArrays: false}] },
{ code: "var foo = [ 1, 5, { 'bar': 'baz' }];", options: ["always", {objectsInArrays: false}] },
{ code: "var foo = [{\n'bar': 'baz', \n'qux': [{ 'bar': 'baz' }], \n'quxx': 1 \n}]", options: ["always", {objectsInArrays: false}] },
{ code: "var foo = [{ 'bar': 'baz' }]", options: ["always", {objectsInArrays: false}] },
{ code: "var foo = [{ 'bar': 'baz' }, 1, { 'bar': 'baz' }];", options: ["always", {objectsInArrays: false}] },
{ code: "var foo = [ 1, { 'bar': 'baz' }, 5 ];", options: ["always", {objectsInArrays: false}] },
{ code: "var foo = [ 1, { 'bar': 'baz' }, [{ 'bar': 'baz' }] ];", options: ["always", {objectsInArrays: false}] },
{ code: "var foo = [ function(){} ];", options: ["always", {objectsInArrays: false}] },
// always - arraysInArrays
{ code: "var arr = [[ 1, 2 ], 2, 3, 4 ];", options: ["always", {"arraysInArrays": false}] },
{ code: "var arr = [[ 1, 2 ], [[[ 1 ]]], 3, 4 ];", options: ["always", {"arraysInArrays": false}] },
{ code: "var foo = [ arr[i], arr[j] ];", options: ["always", {"arraysInArrays": false}] },
// always - arraysInArrays, objectsInArrays
{ code: "var arr = [[ 1, 2 ], 2, 3, { 'foo': 'bar' }];", options: ["always", {"arraysInArrays": false, objectsInArrays: false}] },
// always - arraysInArrays, objectsInArrays, singleValue
{ code: "var arr = [[ 1, 2 ], [2], 3, { 'foo': 'bar' }];", options: ["always", {"arraysInArrays": false, objectsInArrays: false, singleValue: false}] },
// always
{ code: "obj[ foo ]", options: ["always"] },
{ code: "obj[\nfoo\n]", options: ["always"] },
{ code: "obj[ 'foo' ]", options: ["always"] },
{ code: "obj[ 'foo' + 'bar' ]", options: ["always"] },
{ code: "obj[ obj2[ foo ] ]", options: ["always"] },
{ code: "obj.map(function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["always"] },
{ code: "obj[ 'map' ](function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["always"] },
{ code: "obj[ 'for' + 'Each' ](function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["always"] },
{ code: "var arr = [ 1, 2, 3, 4 ];", options: ["always"] },
{ code: "var arr = [ [ 1, 2 ], 2, 3, 4 ];", options: ["always"] },
{ code: "var arr = [\n1, 2, 3, 4\n];", options: ["always"] },
{ code: "var foo = [];", options: ["always"] },
// singleValue: false, objectsInArrays: true, arraysInArrays
{ code: "this.db.mappings.insert([\n { alias: 'a', url: 'http://www.amazon.de' },\n { alias: 'g', url: 'http://www.google.de' }\n], function() {});", options: ["always", {singleValue: false, objectsInArrays: true, arraysInArrays: true}] },
// always - destructuring assignment
{ code: "var [ x, y ] = z", ecmaFeatures: { destructuring: true }, options: ["always"] },
{ code: "var [ x,y ] = z", ecmaFeatures: { destructuring: true }, options: ["always"] },
{ code: "var [ x, y\n] = z", ecmaFeatures: { destructuring: true }, options: ["always"] },
{ code: "var [\nx, y ] = z", ecmaFeatures: { destructuring: true }, options: ["always"] },
{ code: "var [\nx, y\n] = z", ecmaFeatures: { destructuring: true }, options: ["always"] },
{ code: "var [\nx, y\n] = z", ecmaFeatures: { destructuring: true }, options: ["always"] },
{ code: "var [\nx,,,\n] = z", ecmaFeatures: { destructuring: true }, options: ["always"] },
{ code: "var [ ,x, ] = z", ecmaFeatures: { destructuring: true }, options: ["always"] },
{ code: "var [\nx, ...y\n] = z", ecmaFeatures: { destructuring: true, spread:true }, options: ["always"] },
{ code: "var [\nx, ...y ] = z", ecmaFeatures: { destructuring: true, spread:true }, options: ["always"] },
{ code: "var [[ x, y ], z ] = arr;", ecmaFeatures: { destructuring: true }, options: ["always", {"arraysInArrays": false}] },
{ code: "var [ x, [ y, z ]] = arr;", ecmaFeatures: { destructuring: true }, options: ["always", {"arraysInArrays": false}] },
{ code: "[{ x, y }, z ] = arr;", ecmaFeatures: { destructuring: true }, options: ["always", {objectsInArrays: false}] },
{ code: "[ x, { y, z }] = arr;", ecmaFeatures: { destructuring: true }, options: ["always", {objectsInArrays: false}] },
// never
{ code: "obj[foo]", options: ["never"] },
{ code: "obj['foo']", options: ["never"] },
{ code: "obj['foo' + 'bar']", options: ["never"] },
{ code: "obj['foo'+'bar']", options: ["never"] },
{ code: "obj[obj2[foo]]", options: ["never"] },
{ code: "obj.map(function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["never"] },
{ code: "obj['map'](function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["never"] },
{ code: "obj['for' + 'Each'](function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["never"] },
{ code: "obj['for' + 'Each'](function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["never"] },
{ code: "var arr = [1, 2, 3, 4];", options: ["never"] },
{ code: "var arr = [[1, 2], 2, 3, 4];", options: ["never"] },
{ code: "var arr = [\n1, 2, 3, 4\n];", options: ["never"] },
{ code: "obj[\nfoo]", options: ["never"] },
{ code: "obj[foo\n]", options: ["never"] },
{ code: "var arr = [1,\n2,\n3,\n4\n];", options: ["never"] },
{ code: "var arr = [\n1,\n2,\n3,\n4];", options: ["never"] },
// never - destructuring assignment
{ code: "var [x, y] = z", ecmaFeatures: { destructuring: true }, options: ["never"] },
{ code: "var [x,y] = z", ecmaFeatures: { destructuring: true }, options: ["never"] },
{ code: "var [x, y\n] = z", ecmaFeatures: { destructuring: true }, options: ["never"] },
{ code: "var [\nx, y] = z", ecmaFeatures: { destructuring: true }, options: ["never"] },
{ code: "var [\nx, y\n] = z", ecmaFeatures: { destructuring: true }, options: ["never"] },
{ code: "var [\nx, y\n] = z", ecmaFeatures: { destructuring: true }, options: ["never"] },
{ code: "var [\nx,,,\n] = z", ecmaFeatures: { destructuring: true }, options: ["never"] },
{ code: "var [,x,] = z", ecmaFeatures: { destructuring: true }, options: ["never"] },
{ code: "var [\nx, ...y\n] = z", ecmaFeatures: { destructuring: true, spread:true }, options: ["never"] },
{ code: "var [\nx, ...y] = z", ecmaFeatures: { destructuring: true, spread:true }, options: ["never"] },
{ code: "var [ [x, y], z] = arr;", ecmaFeatures: { destructuring: true }, options: ["never", {"arraysInArrays": true}] },
{ code: "var [x, [y, z] ] = arr;", ecmaFeatures: { destructuring: true }, options: ["never", {"arraysInArrays": true}] },
{ code: "[ { x, y }, z] = arr;", ecmaFeatures: { destructuring: true }, options: ["never", {objectsInArrays: true}] },
{ code: "[x, { y, z } ] = arr;", ecmaFeatures: { destructuring: true }, options: ["never", {objectsInArrays: true}] },
// never - singleValue
{ code: "var foo = [ 'foo' ]", options: ["never", {singleValue: true}] },
{ code: "var foo = [ 2 ]", options: ["never", {singleValue: true}] },
{ code: "var foo = [ [1, 1] ]", options: ["never", {singleValue: true}] },
{ code: "var foo = [ {'foo': 'bar'} ]", options: ["never", {singleValue: true}] },
{ code: "var foo = [ bar ]", options: ["never", {singleValue: true}] },
// never - objectsInArrays
{ code: "var foo = [ {'bar': 'baz'}, 1, 5];", options: ["never", {objectsInArrays: true}] },
{ code: "var foo = [1, 5, {'bar': 'baz'} ];", options: ["never", {objectsInArrays: true}] },
{ code: "var foo = [ {\n'bar': 'baz', \n'qux': [ {'bar': 'baz'} ], \n'quxx': 1 \n} ]", options: ["never", {objectsInArrays: true}] },
{ code: "var foo = [ {'bar': 'baz'} ]", options: ["never", {objectsInArrays: true}] },
{ code: "var foo = [ {'bar': 'baz'}, 1, {'bar': 'baz'} ];", options: ["never", {objectsInArrays: true}] },
{ code: "var foo = [1, {'bar': 'baz'} , 5];", options: ["never", {objectsInArrays: true}] },
{ code: "var foo = [1, {'bar': 'baz'}, [ {'bar': 'baz'} ]];", options: ["never", {objectsInArrays: true}] },
{ code: "var foo = [function(){}];", options: ["never", {objectsInArrays: true}] },
{ code: "var foo = [];", options: ["never", {objectsInArrays: true}] },
// never - arraysInArrays
{ code: "var arr = [ [1, 2], 2, 3, 4];", options: ["never", {"arraysInArrays": true}] },
{ code: "var foo = [arr[i], arr[j]];", options: ["never", {"arraysInArrays": true}] },
{ code: "var foo = [];", options: ["never", {"arraysInArrays": true}] },
// never - arraysInArrays, singleValue
{ code: "var arr = [ [1, 2], [ [ [ 1 ] ] ], 3, 4];", options: ["never", {"arraysInArrays": true, singleValue: true}] },
// never - arraysInArrays, objectsInArrays
{ code: "var arr = [ [1, 2], 2, 3, {'foo': 'bar'} ];", options: ["never", {"arraysInArrays": true, objectsInArrays: true}] },
// should not warn
{ code: "var foo = {};", options: ["never"] },
{ code: "var foo = [];", options: ["never"] },
{ code: "var foo = [{'bar':'baz'}, 1, {'bar': 'baz'}];", options: ["never"] },
{ code: "var foo = [{'bar': 'baz'}];", options: ["never"] },
{ code: "var foo = [{\n'bar': 'baz', \n'qux': [{'bar': 'baz'}], \n'quxx': 1 \n}]", options: ["never"] },
{ code: "var foo = [1, {'bar': 'baz'}, 5];", options: ["never"] },
{ code: "var foo = [{'bar': 'baz'}, 1, 5];", options: ["never"] },
{ code: "var foo = [1, 5, {'bar': 'baz'}];", options: ["never"] },
{ code: "var obj = {'foo': [1, 2]}", options: ["never"] },
// Babel test cases.
// always - destructuring typed array param
{ code: "function fn([ a,b ]: Array<any>){}", options: ["always"], parser: "babel-eslint", ecmaFeatures: { destructuring: true } },
// never - destructuring typed array param
{ code: "function fn([a,b]: Array<any >){}", options: ["never"], parser: "babel-eslint", ecmaFeatures: { destructuring: true } },
],
invalid: [
{
code: "var foo = [ ]",
output: "var foo = []",
options: ["never"],
errors: [
{
message: "There should be no space after '['",
type: "ArrayExpression",
line: 1,
column: 11
}
]
},
// objectsInArrays
{
code: "var foo = [ { 'bar': 'baz' }, 1, 5];",
output: "var foo = [{ 'bar': 'baz' }, 1, 5 ];",
options: ["always", {objectsInArrays: false}],
errors: [
{
message: "There should be no space after '['",
type: "ArrayExpression",
line: 1,
column: 11
},
{
message: "A space is required before ']'",
type: "ArrayExpression",
line: 1,
column: 36
}
]
},
{
code: "var foo = [1, 5, { 'bar': 'baz' } ];",
output: "var foo = [ 1, 5, { 'bar': 'baz' }];",
options: ["always", {objectsInArrays: false}],
errors: [
{
message: "A space is required after '['",
type: "ArrayExpression",
line: 1,
column: 11
},
{
message: "There should be no space before ']'",
type: "ArrayExpression",
line: 1,
column: 35
}
]
},
{
code: "var foo = [ { 'bar':'baz' }, 1, { 'bar': 'baz' } ];",
output: "var foo = [{ 'bar':'baz' }, 1, { 'bar': 'baz' }];",
options: ["always", {objectsInArrays: false}],
errors: [
{
message: "There should be no space after '['",
type: "ArrayExpression",
line: 1,
column: 11
},
{
message: "There should be no space before ']'",
type: "ArrayExpression",
line: 1,
column: 50
}
]
},
// singleValue
{
code: "var obj = [ 'foo' ];",
output: "var obj = ['foo'];",
options: ["always", {singleValue: false}],
errors: [
{
message: "There should be no space after '['",
type: "ArrayExpression",
line: 1,
column: 11
},
{
message: "There should be no space before ']'",
type: "ArrayExpression",
line: 1,
column: 19
}
]
},
{
code: "var obj = ['foo' ];",
output: "var obj = ['foo'];",
options: ["always", {singleValue: false}],
errors: [
{
message: "There should be no space before ']'",
type: "ArrayExpression",
line: 1,
column: 18
}
]
},
{
code: "var obj = ['foo'];",
output: "var obj = [ 'foo' ];",
options: ["never", {singleValue: true}],
errors: [
{
message: "A space is required after '['",
type: "ArrayExpression",
line: 1,
column: 11
},
{
message: "A space is required before ']'",
type: "ArrayExpression",
line: 1,
column: 17
}
]
},
// always - arraysInArrays
{
code: "var arr = [ [ 1, 2 ], 2, 3, 4 ];",
output: "var arr = [[ 1, 2 ], 2, 3, 4 ];",
options: ["always", {"arraysInArrays": false}],
errors: [
{
message: "There should be no space after '['",
type: "ArrayExpression",
line: 1,
column: 11
}
]
},
{
code: "var arr = [ 1, 2, 2, [ 3, 4 ] ];",
output: "var arr = [ 1, 2, 2, [ 3, 4 ]];",
options: ["always", {"arraysInArrays": false}],
errors: [
{
message: "There should be no space before ']'",
type: "ArrayExpression",
line: 1,
column: 31
}
]
},
{
code: "var arr = [[ 1, 2 ], 2, [ 3, 4 ] ];",
output: "var arr = [[ 1, 2 ], 2, [ 3, 4 ]];",
options: ["always", {"arraysInArrays": false}],
errors: [
{
message: "There should be no space before ']'",
type: "ArrayExpression",
line: 1,
column: 34
}
]
},
{
code: "var arr = [ [ 1, 2 ], 2, [ 3, 4 ]];",
output: "var arr = [[ 1, 2 ], 2, [ 3, 4 ]];",
options: ["always", {"arraysInArrays": false}],
errors: [
{
message: "There should be no space after '['",
type: "ArrayExpression",
line: 1,
column: 11
}
]
},
{
code: "var arr = [ [ 1, 2 ], 2, [ 3, 4 ] ];",
output: "var arr = [[ 1, 2 ], 2, [ 3, 4 ]];",
options: ["always", {"arraysInArrays": false}],
errors: [
{
message: "There should be no space after '['",
type: "ArrayExpression",
line: 1,
column: 11
},
{
message: "There should be no space before ']'",
type: "ArrayExpression",
line: 1,
column: 35
}
]
},
// always - destructuring
{
code: "var [x,y] = y",
output: "var [ x,y ] = y",
options: ["always"],
ecmaFeatures: { destructuring: true },
errors: [{
message: "A space is required after '['",
type: "ArrayPattern",
line: 1,
column: 5
},
{
message: "A space is required before ']'",
type: "ArrayPattern",
line: 1,
column: 9
}]
},
{
code: "var [x,y ] = y",
output: "var [ x,y ] = y",
options: ["always"],
ecmaFeatures: { destructuring: true },
errors: [{
message: "A space is required after '['",
type: "ArrayPattern",
line: 1,
column: 5
}]
},
{
code: "var [,,,x,,] = y",
output: "var [ ,,,x,, ] = y",
options: ["always"],
ecmaFeatures: { destructuring: true },
errors: [{
message: "A space is required after '['",
type: "ArrayPattern",
line: 1,
column: 5
},
{
message: "A space is required before ']'",
type: "ArrayPattern",
line: 1,
column: 12
}]
},
{
code: "var [ ,,,x,,] = y",
output: "var [ ,,,x,, ] = y",
options: ["always"],
ecmaFeatures: { destructuring: true },
errors: [{
message: "A space is required before ']'",
type: "ArrayPattern",
line: 1,
column: 13
}]
},
{
code: "var [...horse] = y",
output: "var [ ...horse ] = y",
options: ["always"],
ecmaFeatures: { destructuring: true, spread:true },
errors: [{
message: "A space is required after '['",
type: "ArrayPattern",
line: 1,
column: 5
},
{
message: "A space is required before ']'",
type: "ArrayPattern",
line: 1,
column: 14
}]
},
{
code: "var [...horse ] = y",
output: "var [ ...horse ] = y",
options: ["always"],
ecmaFeatures: { destructuring: true, spread:true },
errors: [{
message: "A space is required after '['",
type: "ArrayPattern",
line: 1,
column: 5
}]
},
{
code: "var [ [ x, y ], z ] = arr;",
output: "var [[ x, y ], z ] = arr;",
options: ["always", {"arraysInArrays": false}],
ecmaFeatures: { destructuring: true },
errors: [{
message: "There should be no space after '['",
type: "ArrayPattern",
line: 1,
column: 5
}]
},
{
code: "[ { x, y }, z ] = arr;",
output: "[{ x, y }, z ] = arr;",
options: ["always", {"objectsInArrays": false}],
ecmaFeatures: { destructuring: true },
errors: [{
message: "There should be no space after '['",
type: "ArrayPattern",
line: 1,
column: 1
}]
},
{
code: "[ x, { y, z } ] = arr;",
output: "[ x, { y, z }] = arr;",
options: ["always", {"objectsInArrays": false}],
ecmaFeatures: { destructuring: true },
errors: [{
message: "There should be no space before ']'",
type: "ArrayPattern",
line: 1,
column: 15
}]
},
// never - arraysInArrays
{
code: "var arr = [[1, 2], 2, [3, 4]];",
output: "var arr = [ [1, 2], 2, [3, 4] ];",
options: ["never", {"arraysInArrays": true}],
errors: [
{
message: "A space is required after '['",
type: "ArrayExpression",
line: 1,
column: 11
},
{
message: "A space is required before ']'",
type: "ArrayExpression",
line: 1,
column: 29
}
]
},
{
code: "var arr = [ ];",
output: "var arr = [];",
options: ["never", {"arraysInArrays": true}],
errors: [
{
message: "There should be no space after '['",
type: "ArrayExpression",
line: 1,
column: 11
}
]
},
// never - objectsInArrays
{
code: "var arr = [ ];",
output: "var arr = [];",
options: ["never", {"objectsInArrays": true}],
errors: [
{
message: "There should be no space after '['",
type: "ArrayExpression",
line: 1,
column: 11
}
]
},
// always
{
code: "var arr = [1, 2, 3, 4];",
output: "var arr = [ 1, 2, 3, 4 ];",
options: ["always"],
errors: [
{
message: "A space is required after '['",
type: "ArrayExpression",
line: 1,
column: 11
},
{
message: "A space is required before ']'",
type: "ArrayExpression",
line: 1,
column: 22
}
]
},
{
code: "var arr = [1, 2, 3, 4 ];",
output: "var arr = [ 1, 2, 3, 4 ];",
options: ["always"],
errors: [
{
message: "A space is required after '['",
type: "ArrayExpression",
line: 1,
column: 11
}
]
},
{
code: "var arr = [ 1, 2, 3, 4];",
output: "var arr = [ 1, 2, 3, 4 ];",
options: ["always"],
errors: [
{
message: "A space is required before ']'",
type: "ArrayExpression",
line: 1,
column: 23
}
]
},
// never
{
code: "var arr = [ 1, 2, 3, 4 ];",
output: "var arr = [1, 2, 3, 4];",
options: ["never"],
errors: [
{
message: "There should be no space after '['",
type: "ArrayExpression",
line: 1,
column: 11
},
{
message: "There should be no space before ']'",
type: "ArrayExpression",
line: 1,
column: 24
}
]
},
{
code: "var arr = [1, 2, 3, 4 ];",
output: "var arr = [1, 2, 3, 4];",
options: ["never"],
errors: [
{
message: "There should be no space before ']'",
type: "ArrayExpression",
line: 1,
column: 23
}
]
},
{
code: "var arr = [ 1, 2, 3, 4];",
output: "var arr = [1, 2, 3, 4];",
options: ["never"],
errors: [
{
message: "There should be no space after '['",
type: "ArrayExpression",
line: 1,
column: 11
}
]
},
{
code: "var arr = [ [ 1], 2, 3, 4];",
output: "var arr = [[1], 2, 3, 4];",
options: ["never"],
errors: [
{
message: "There should be no space after '['",
type: "ArrayExpression",
line: 1,
column: 11
},
{
message: "There should be no space after '['",
type: "ArrayExpression",
line: 1,
column: 13
}
]
},
{
code: "var arr = [[1 ], 2, 3, 4 ];",
output: "var arr = [[1], 2, 3, 4];",
options: ["never"],
errors: [
{
message: "There should be no space before ']'",
type: "ArrayExpression",
line: 1,
column: 15
},
{
message: "There should be no space before ']'",
type: "ArrayExpression",
line: 1,
column: 26
}
]
},
// Babel test cases.
// always - destructuring typed array param
{
code: "function fn([a,b]: Array<any>){}",
output: "function fn([ a,b ]: Array<any>){}",
options: ["always"],
parser: "babel-eslint",
ecmaFeatures: {
destructuring: true
},
errors: [
{
message: "A space is required after '['",
type: "ArrayPattern",
line: 1,
column: 13
},
{
message: "A space is required before ']'",
type: "ArrayPattern",
line: 1,
column: 17
}
]
},
// never - destructuring typed array param
{
code: "function fn([ a,b ]: Array<any>){}",
output: "function fn([a,b]: Array<any>){}",
options: ["never"],
parser: "babel-eslint",
ecmaFeatures: {
destructuring: true
},
errors: [
{
message: "There should be no space after '['",
type: "ArrayPattern",
line: 1,
column: 13
},
{
message: "There should be no space before ']'",
type: "ArrayPattern",
line: 1,
column: 19
}
]
}
]
});

View File

@ -1,187 +0,0 @@
/* eslint-disable */
/**
* @fileoverview Tests for arrow-parens
* @author Jxck
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
var rule = require("../../rules/arrow-parens"),
RuleTester = require('../RuleTester');
function ok(code, args){
return { code: code, options: args, parser: 'babel-eslint' }
}
function err(code, output, errors, args){
var e = ok(code, args)
e.errors = errors
e.output = output
return e
}
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
var ruleTester = new RuleTester();
var valid = [
{ code: "() => {}", ecmaFeatures: { arrowFunctions: true } },
{ code: "(a) => {}", ecmaFeatures: { arrowFunctions: true } },
{ code: "(a) => a", ecmaFeatures: { arrowFunctions: true } },
{ code: "(a) => {\n}", ecmaFeatures: { arrowFunctions: true } },
{ code: "a.then((foo) => {});", ecmaFeatures: { arrowFunctions: true } },
{ code: "a.then((foo) => { if (true) {}; });", ecmaFeatures: { arrowFunctions: true } },
// // as-needed
{ code: "() => {}", options: ["as-needed"], ecmaFeatures: { arrowFunctions: true } },
{ code: "a => {}", options: ["as-needed"], ecmaFeatures: { arrowFunctions: true } },
{ code: "a => a", options: ["as-needed"], ecmaFeatures: { arrowFunctions: true } },
{ code: "([a, b]) => {}", options: ["as-needed"], ecmaFeatures: { arrowFunctions: true, destructuring: true } },
{ code: "({ a, b }) => {}", options: ["as-needed"], ecmaFeatures: { arrowFunctions: true, destructuring: true } },
{ code: "(a = 10) => {}", options: ["as-needed"], ecmaFeatures: { arrowFunctions: true, destructuring: true, defaultParams: true } },
{ code: "(...a) => a[0]", options: ["as-needed"], ecmaFeatures: { arrowFunctions: true, restParams: true } },
{ code: "(a, b) => {}", options: ["as-needed"], ecmaFeatures: { arrowFunctions: true } },
ok("(a: string) => a", ["as-needed"]),
// async
ok("async () => {}"),
ok("async (a) => {}"),
ok("async (a) => a"),
ok("async (a) => {\n}"),
ok("a.then(async (foo) => {});"),
ok("a.then((foo) => { if (true) {}; })"),
ok("async () => {}", ["as-needed"]),
ok("async a => {}", ["as-needed"]),
ok("async a => a", ["as-needed"]),
ok("async ([a, b]) => {}", ["as-needed"]),
ok("async ({ a, b }) => {}", ["as-needed"]),
ok("async (a = 10) => {}", ["as-needed"]),
ok("async (...a) => a[0]", ["as-needed"]),
ok("async (a, b) => {}", ["as-needed"]),
];
var message = message;
var asNeededMessage = asNeededMessage;
var type = type;
var invalid = [
{
code: "a => {}",
output: "(a) => {}",
ecmaFeatures: { arrowFunctions: true },
errors: [{
line: 1,
column: 1,
message: message,
type: type
}]
},
{
code: "a => a",
output: "(a) => a",
ecmaFeatures: { arrowFunctions: true },
errors: [{
line: 1,
column: 1,
message: message,
type: type
}]
},
{
code: "a => {\n}",
output: "(a) => {\n}",
ecmaFeatures: { arrowFunctions: true },
errors: [{
line: 1,
column: 1,
message: message,
type: type
}]
},
{
code: "a.then(foo => {});",
output: "a.then((foo) => {});",
ecmaFeatures: { arrowFunctions: true },
errors: [{
line: 1,
column: 8,
message: message,
type: type
}]
},
{
code: "a.then(foo => a);",
output: "a.then((foo) => a);",
ecmaFeatures: { arrowFunctions: true },
errors: [{
line: 1,
column: 8,
message: message,
type: type
}]
},
{
code: "a(foo => { if (true) {}; });",
output: "a((foo) => { if (true) {}; });",
ecmaFeatures: { arrowFunctions: true },
errors: [{
line: 1,
column: 3,
message: message,
type: type
}]
},
// as-needed
{
code: "(a) => a",
output: "a => a",
options: ["as-needed"],
ecmaFeatures: { arrowFunctions: true },
errors: [{
line: 1,
column: 1,
message: asNeededMessage,
type: type
}]
},
{
code: "(b) => b",
output: "b => b",
options: ["as-needed"],
ecmaFeatures: { arrowFunctions: true },
errors: [{
line: 1,
column: 1,
message: asNeededMessage,
type: type
}]
},
// async
err('async a => {}', 'async (a) => {}', [
{ message: 'Expected parentheses around arrow function argument.' },
]),
err('async a => a', 'async (a) => a', [
{ message: 'Expected parentheses around arrow function argument.' },
]),
err('async (a) => a', 'async a => a', [
{ message: 'Unexpected parentheses around single function argument' },
],
["as-needed"])
];
ruleTester.run("arrow-parens", rule, {
valid: valid,
invalid: invalid
});

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@ -1,69 +0,0 @@
/**
* @fileoverview Tests for flow-object-type.
* @author Nat Mote
*/
"use strict";
var rule = require("../../rules/flow-object-type"),
RuleTester = require('../RuleTester');
var features = {
};
function test(code, options, errors, output){
var result = {
code: code,
parser: 'babel-eslint',
ecmaFeatures: features,
};
if (options != null) {
result.options = options;
}
if (errors != null) {
result.errors = errors;
}
if (output != null) {
result.output = output;
}
return result;
}
var commaMessage = 'Prefer commas to semicolons in object and class types';
var semiMessage = 'Prefer semicolons to commas in object and class types';
function ok(code, commaOrSemi) {
return test(code, [commaOrSemi]);
}
function err(code, commaOrSemi, errorMessage, output) {
return test(code, [commaOrSemi], [errorMessage], output);
}
var cases = [
ok('type Foo = { a: Foo; b: Bar }', 'semicolon'),
err('type Foo = { a: Foo, b: Bar }', 'semicolon', semiMessage, 'type Foo = { a: Foo; b: Bar }'),
ok('type Foo = { a: Foo, b: Bar }', 'comma'),
err('type Foo = { a: Foo; b: Bar }', 'comma', commaMessage, 'type Foo = { a: Foo, b: Bar }'),
ok('declare class Foo { a: Foo; }', 'semicolon'),
err('declare class Foo { a: Foo, }', 'semicolon', semiMessage, 'declare class Foo { a: Foo; }'),
ok('declare class Foo { a: Foo, }', 'comma'),
err('declare class Foo { a: Foo; }', 'comma', commaMessage, 'declare class Foo { a: Foo, }'),
];
function hasError(testCase) {
return testCase.errors != null && testCase.errors.length > 0;
}
function hasNoError(testCase) {
return !hasError(testCase);
}
var ruleTester = new RuleTester();
ruleTester.run('flow-object-type', rule, {
valid: cases.filter(hasNoError),
invalid: cases.filter(hasError),
});

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@ -1,278 +0,0 @@
'use strict';
var rule = require('../../rules/func-params-comma-dangle');
var RuleTester = require('../RuleTester');
var MISSING_I = [{message: 'Missing trailing comma.', type: 'Identifier'}];
var MISSING_AP = [{message: 'Missing trailing comma.', type: 'AssignmentPattern'}];
var MISSING_SE = [{message: 'Missing trailing comma.', type: 'SpreadElement'}];
var UNEXPECTED_I = [{message: 'Unexpected trailing comma.', type: 'Identifier'}];
var UNEXPECTED_AP = [{message: 'Unexpected trailing comma.', type: 'AssignmentPattern'}];
var UNEXPECTED_SE = [{message: 'Unexpected trailing comma.', type: 'SpreadElement'}];
var ruleTester = new RuleTester({parser: 'babel-eslint'});
ruleTester.run('func-params-comma-dangle', rule, {
valid: [
{code: 'function f() {}'},
{code: 'function f(\n) {}'},
{code: 'function f(...a) {}'},
{code: 'function f(...a\n) {}'},
{code: 'f()'},
{code: 'f(\n)'},
{code: 'new F()'},
{code: 'new F(\n)'},
// FunctionDeclaration
{code: 'function f(a) {}', options: ['always-multiline']},
{code: 'function f(a) {}', options: ['never']},
{code: 'function f(a) {}', options: ['only-multiline']},
{code: 'function f(a,) {}', options: ['always']},
{code: 'function f(a,\n) {}', options: ['always']},
{code: 'function f(a,\n) {}', options: ['always-multiline']},
{code: 'function f(a,\n) {}', options: ['only-multiline']},
{code: 'function f(a\n) {}', options: ['never']},
{code: 'function f(a\n) {}', options: ['only-multiline']},
{code: 'function f(a=1) {}', options: ['always-multiline']},
{code: 'function f(a=1) {}', options: ['never']},
{code: 'function f(a=1) {}', options: ['only-multiline']},
{code: 'function f(a=1,) {}', options: ['always']},
{code: 'function f(a=1,\n) {}', options: ['always']},
{code: 'function f(a=1,\n) {}', options: ['always-multiline']},
{code: 'function f(a=1,\n) {}', options: ['only-multiline']},
{code: 'function f(a=1\n) {}', options: ['never']},
{code: 'function f(a=1\n) {}', options: ['only-multiline']},
{code: 'function f(a:T) {}', options: ['always-multiline']},
{code: 'function f(a:T) {}', options: ['never']},
{code: 'function f(a:T) {}', options: ['only-multiline']},
{code: 'function f(a:T,) {}', options: ['always']},
{code: 'function f(a:T,\n) {}', options: ['always']},
{code: 'function f(a:T,\n) {}', options: ['always-multiline']},
{code: 'function f(a:T,\n) {}', options: ['only-multiline']},
{code: 'function f(a:T\n) {}', options: ['never']},
{code: 'function f(a:T\n) {}', options: ['only-multiline']},
// FunctionExpression
{code: 'f = function(a) {}', options: ['always-multiline']},
{code: 'f = function(a) {}', options: ['never']},
{code: 'f = function(a) {}', options: ['only-multiline']},
{code: 'f = function(a,) {}', options: ['always']},
{code: 'f = function(a,\n) {}', options: ['always']},
{code: 'f = function(a,\n) {}', options: ['always-multiline']},
{code: 'f = function(a,\n) {}', options: ['only-multiline']},
{code: 'f = function(a\n) {}', options: ['never']},
{code: 'f = function(a\n) {}', options: ['only-multiline']},
{code: 'f = function(a=1) {}', options: ['always-multiline']},
{code: 'f = function(a=1) {}', options: ['never']},
{code: 'f = function(a=1) {}', options: ['only-multiline']},
{code: 'f = function(a=1,) {}', options: ['always']},
{code: 'f = function(a=1,\n) {}', options: ['always']},
{code: 'f = function(a=1,\n) {}', options: ['always-multiline']},
{code: 'f = function(a=1,\n) {}', options: ['only-multiline']},
{code: 'f = function(a=1\n) {}', options: ['never']},
{code: 'f = function(a=1\n) {}', options: ['only-multiline']},
{code: 'f = function(a:T) {}', options: ['always-multiline']},
{code: 'f = function(a:T) {}', options: ['never']},
{code: 'f = function(a:T) {}', options: ['only-multiline']},
{code: 'f = function(a:T,) {}', options: ['always']},
{code: 'f = function(a:T,\n) {}', options: ['always']},
{code: 'f = function(a:T,\n) {}', options: ['always-multiline']},
{code: 'f = function(a:T,\n) {}', options: ['only-multiline']},
{code: 'f = function(a:T\n) {}', options: ['never']},
{code: 'f = function(a:T\n) {}', options: ['only-multiline']},
// ArrowFunctionExpression
{code: 'f = (a) => {}', options: ['always-multiline']},
{code: 'f = (a) => {}', options: ['never']},
{code: 'f = (a) => {}', options: ['only-multiline']},
{code: 'f = (a,) => {}', options: ['always']},
{code: 'f = (a,\n) => {}', options: ['always']},
{code: 'f = (a,\n) => {}', options: ['always-multiline']},
{code: 'f = (a,\n) => {}', options: ['only-multiline']},
{code: 'f = (a\n) => {}', options: ['never']},
{code: 'f = (a\n) => {}', options: ['only-multiline']},
{code: 'f = a => {}', options: ['always-multiline']},
{code: 'f = a => {}', options: ['never']},
{code: 'f = a => {}', options: ['only-multiline']},
{code: 'f = a => {}', options: ['always']},
{code: 'f = (a=1) => {}', options: ['always-multiline']},
{code: 'f = (a=1) => {}', options: ['never']},
{code: 'f = (a=1) => {}', options: ['only-multiline']},
{code: 'f = (a=1,) => {}', options: ['always']},
{code: 'f = (a=1,\n) => {}', options: ['always']},
{code: 'f = (a=1,\n) => {}', options: ['always-multiline']},
{code: 'f = (a=1,\n) => {}', options: ['only-multiline']},
{code: 'f = (a=1\n) => {}', options: ['never']},
{code: 'f = (a=1\n) => {}', options: ['only-multiline']},
{code: 'f = (a:T) => {}', options: ['always-multiline']},
{code: 'f = (a:T) => {}', options: ['never']},
{code: 'f = (a:T) => {}', options: ['only-multiline']},
// Arrow functions with flow types aren't getting the correct loc.
// {code: 'f = (a:T,) => {}', options: ['always']},
// {code: 'f = (a:T,\n) => {}', options: ['always']},
{code: 'f = (a:T,\n) => {}', options: ['always-multiline']},
{code: 'f = (a:T,\n) => {}', options: ['only-multiline']},
{code: 'f = (a:T\n) => {}', options: ['never']},
{code: 'f = (a:T\n) => {}', options: ['only-multiline']},
// CallExpression
{code: 'f(a)', options: ['always-multiline']},
{code: 'f(a)', options: ['never']},
{code: 'f(a)', options: ['only-multiline']},
{code: 'f(a,)', options: ['always']},
{code: 'f(a,\n)', options: ['always']},
{code: 'f(a,\n)', options: ['always-multiline']},
{code: 'f(a,\n)', options: ['only-multiline']},
{code: 'f(a\n)', options: ['never']},
{code: 'f(a\n)', options: ['only-multiline']},
{code: 'f(...a)', options: ['always-multiline']},
{code: 'f(...a)', options: ['never']},
{code: 'f(...a)', options: ['only-multiline']},
{code: 'f(...a,)', options: ['always']},
{code: 'f(...a,\n)', options: ['always']},
{code: 'f(...a,\n)', options: ['always-multiline']},
{code: 'f(...a,\n)', options: ['only-multiline']},
{code: 'f(...a\n)', options: ['never']},
{code: 'f(...a\n)', options: ['only-multiline']},
// NewExpression
{code: 'new F(a)', options: ['always-multiline']},
{code: 'new F(a)', options: ['never']},
{code: 'new F(a)', options: ['only-multiline']},
{code: 'new F(a,)', options: ['always']},
{code: 'new F(a,\n)', options: ['always']},
{code: 'new F(a,\n)', options: ['always-multiline']},
{code: 'new F(a,\n)', options: ['only-multiline']},
{code: 'new F(a\n)', options: ['never']},
{code: 'new F(a\n)', options: ['only-multiline']},
{code: 'new F(...a)', options: ['always-multiline']},
{code: 'new F(...a)', options: ['never']},
{code: 'new F(...a)', options: ['only-multiline']},
{code: 'new F(...a,)', options: ['always']},
{code: 'new F(...a,\n)', options: ['always']},
{code: 'new F(...a,\n)', options: ['always-multiline']},
{code: 'new F(...a,\n)', options: ['only-multiline']},
{code: 'new F(...a\n)', options: ['never']},
{code: 'new F(...a\n)', options: ['only-multiline']},
],
invalid: [
// FunctionDeclaration
{code: 'function f(a) {}', output: 'function f(a,) {}', options: ['always'], errors: MISSING_I},
{code: 'function f(a,) {}', output: 'function f(a) {}', options: ['always-multiline'], errors: UNEXPECTED_I},
{code: 'function f(a,) {}', output: 'function f(a) {}', options: ['only-multiline'], errors: UNEXPECTED_I},
{code: 'function f(a,) {}', output: 'function f(a) {}', options: ['never'], errors: UNEXPECTED_I},
{code: 'function f(a,\n) {}', output: 'function f(a\n) {}', options: ['never'], errors: UNEXPECTED_I},
{code: 'function f(a\n) {}', output: 'function f(a,\n) {}', options: ['always'], errors: MISSING_I},
{code: 'function f(a\n) {}', output: 'function f(a,\n) {}', options: ['always-multiline'], errors: MISSING_I},
{code: 'function f(a=1) {}', output: 'function f(a=1,) {}', options: ['always'], errors: MISSING_AP},
{code: 'function f(a=1,) {}', output: 'function f(a=1) {}', options: ['always-multiline'], errors: UNEXPECTED_AP},
{code: 'function f(a=1,) {}', output: 'function f(a=1) {}', options: ['always-multiline'], errors: UNEXPECTED_AP},
{code: 'function f(a=1,) {}', output: 'function f(a=1) {}', options: ['only-multiline'], errors: UNEXPECTED_AP},
{code: 'function f(a=1,) {}', output: 'function f(a=1) {}', options: ['never'], errors: UNEXPECTED_AP},
{code: 'function f(a=1,\n) {}', output: 'function f(a=1\n) {}', options: ['never'], errors: UNEXPECTED_AP},
{code: 'function f(a=1\n) {}', output: 'function f(a=1,\n) {}', options: ['always'], errors: MISSING_AP},
{code: 'function f(a=1\n) {}', output: 'function f(a=1,\n) {}', options: ['always-multiline'], errors: MISSING_AP},
{code: 'function f(a:T) {}', output: 'function f(a:T,) {}', options: ['always'], errors: MISSING_I},
{code: 'function f(a:T,) {}', output: 'function f(a:T) {}', options: ['always-multiline'], errors: UNEXPECTED_I},
{code: 'function f(a:T,) {}', output: 'function f(a:T) {}', options: ['only-multiline'], errors: UNEXPECTED_I},
{code: 'function f(a:T,) {}', output: 'function f(a:T) {}', options: ['never'], errors: UNEXPECTED_I},
{code: 'function f(a:T,\n) {}', output: 'function f(a:T\n) {}', options: ['never'], errors: UNEXPECTED_I},
{code: 'function f(a:T\n) {}', output: 'function f(a:T,\n) {}', options: ['always'], errors: MISSING_I},
{code: 'function f(a:T\n) {}', output: 'function f(a:T,\n) {}', options: ['always-multiline'], errors: MISSING_I},
// FunctionExpression
{code: 'f = function f(a) {}', output: 'f = function f(a,) {}', options: ['always'], errors: MISSING_I},
{code: 'f = function f(a,) {}', output: 'f = function f(a) {}', options: ['always-multiline'], errors: UNEXPECTED_I},
{code: 'f = function f(a,) {}', output: 'f = function f(a) {}', options: ['only-multiline'], errors: UNEXPECTED_I},
{code: 'f = function f(a,) {}', output: 'f = function f(a) {}', options: ['never'], errors: UNEXPECTED_I},
{code: 'f = function f(a,\n) {}', output: 'f = function f(a\n) {}', options: ['never'], errors: UNEXPECTED_I},
{code: 'f = function f(a\n) {}', output: 'f = function f(a,\n) {}', options: ['always'], errors: MISSING_I},
{code: 'f = function f(a\n) {}', output: 'f = function f(a,\n) {}', options: ['always-multiline'], errors: MISSING_I},
{code: 'f = function f(a=1) {}', output: 'f = function f(a=1,) {}', options: ['always'], errors: MISSING_AP},
{code: 'f = function f(a=1,) {}', output: 'f = function f(a=1) {}', options: ['always-multiline'], errors: UNEXPECTED_AP},
{code: 'f = function f(a=1,) {}', output: 'f = function f(a=1) {}', options: ['only-multiline'], errors: UNEXPECTED_AP},
{code: 'f = function f(a=1,) {}', output: 'f = function f(a=1) {}', options: ['never'], errors: UNEXPECTED_AP},
{code: 'f = function f(a=1,\n) {}', output: 'f = function f(a=1\n) {}', options: ['never'], errors: UNEXPECTED_AP},
{code: 'f = function f(a=1\n) {}', output: 'f = function f(a=1,\n) {}', options: ['always'], errors: MISSING_AP},
{code: 'f = function f(a=1\n) {}', output: 'f = function f(a=1,\n) {}', options: ['always-multiline'], errors: MISSING_AP},
{code: 'f = function f(a:T) {}', output: 'f = function f(a:T,) {}', options: ['always'], errors: MISSING_I},
{code: 'f = function f(a:T,) {}', output: 'f = function f(a:T) {}', options: ['always-multiline'], errors: UNEXPECTED_I},
{code: 'f = function f(a:T,) {}', output: 'f = function f(a:T) {}', options: ['only-multiline'], errors: UNEXPECTED_I},
{code: 'f = function f(a:T,) {}', output: 'f = function f(a:T) {}', options: ['never'], errors: UNEXPECTED_I},
{code: 'f = function f(a:T,\n) {}', output: 'f = function f(a:T\n) {}', options: ['never'], errors: UNEXPECTED_I},
{code: 'f = function f(a:T\n) {}', output: 'f = function f(a:T,\n) {}', options: ['always'], errors: MISSING_I},
{code: 'f = function f(a:T\n) {}', output: 'f = function f(a:T,\n) {}', options: ['always-multiline'], errors: MISSING_I},
// ArrowFunctionExpression
{code: 'f = (a) => {}', output: 'f = (a,) => {}', options: ['always'], errors: MISSING_I},
{code: 'f = (a,) => {}', output: 'f = (a) => {}', options: ['always-multiline'], errors: UNEXPECTED_I},
{code: 'f = (a,) => {}', output: 'f = (a) => {}', options: ['only-multiline'], errors: UNEXPECTED_I},
{code: 'f = (a,) => {}', output: 'f = (a) => {}', options: ['never'], errors: UNEXPECTED_I},
{code: 'f = (a,\n) => {}', output: 'f = (a\n) => {}', options: ['never'], errors: UNEXPECTED_I},
{code: 'f = (a\n) => {}', output: 'f = (a,\n) => {}', options: ['always'], errors: MISSING_I},
{code: 'f = (a\n) => {}', output: 'f = (a,\n) => {}', options: ['always-multiline'], errors: MISSING_I},
{code: 'f = (a=1) => {}', output: 'f = (a=1,) => {}', options: ['always'], errors: MISSING_AP},
{code: 'f = (a=1,) => {}', output: 'f = (a=1) => {}', options: ['always-multiline'], errors: UNEXPECTED_AP},
{code: 'f = (a=1,) => {}', output: 'f = (a=1) => {}', options: ['only-multiline'], errors: UNEXPECTED_AP},
{code: 'f = (a=1,) => {}', output: 'f = (a=1) => {}', options: ['never'], errors: UNEXPECTED_AP},
{code: 'f = (a=1,\n) => {}', output: 'f = (a=1\n) => {}', options: ['never'], errors: UNEXPECTED_AP},
{code: 'f = (a=1\n) => {}', output: 'f = (a=1,\n) => {}', options: ['always'], errors: MISSING_AP},
{code: 'f = (a=1\n) => {}', output: 'f = (a=1,\n) => {}', options: ['always-multiline'], errors: MISSING_AP},
// Arrow functions with flow types aren't getting the correct loc.
// {code: 'f = (a:T) => {}', output: 'f = (a:T,) => {}', options: ['always'], errors: MISSING_I},
// {code: 'f = (a:T,) => {}', output: 'f = (a:T) => {}', options: ['always-multiline'], errors: UNEXPECTED_I},
// {code: 'f = (a:T,) => {}', output: 'f = (a:T) => {}', options: ['only-multiline'], errors: UNEXPECTED_I},
// {code: 'f = (a:T,) => {}', output: 'f = (a:T) => {}', options: ['never'], errors: UNEXPECTED_I},
// {code: 'f = (a:T,\n) => {}', output: 'f = (a:T\n) => {}', options: ['never'], errors: UNEXPECTED_I},
// {code: 'f = (a:T\n) => {}', output: 'f = (a:T,\n) => {}', options: ['always'], errors: MISSING_I},
// {code: 'f = (a:T\n) => {}', output: 'f = (a:T,\n) => {}', options: ['always-multiline'], errors: MISSING_I},
// CallExpression
{code: 'f(a)', output: 'f(a,)', options: ['always'], errors: MISSING_I},
{code: 'f(a,)', output: 'f(a)', options: ['always-multiline'], errors: UNEXPECTED_I},
{code: 'f(a,)', output: 'f(a)', options: ['only-multiline'], errors: UNEXPECTED_I},
{code: 'f(a,)', output: 'f(a)', options: ['never'], errors: UNEXPECTED_I},
{code: 'f(a,\n)', output: 'f(a\n)', options: ['never'], errors: UNEXPECTED_I},
{code: 'f(a\n)', output: 'f(a,\n)', options: ['always'], errors: MISSING_I},
{code: 'f(a\n)', output: 'f(a,\n)', options: ['always-multiline'], errors: MISSING_I},
{code: 'f(...a)', output: 'f(...a,)', options: ['always'], errors: MISSING_SE},
{code: 'f(...a,)', output: 'f(...a)', options: ['always-multiline'], errors: UNEXPECTED_SE},
{code: 'f(...a,)', output: 'f(...a)', options: ['only-multiline'], errors: UNEXPECTED_SE},
{code: 'f(...a,)', output: 'f(...a)', options: ['never'], errors: UNEXPECTED_SE},
{code: 'f(...a,\n)', output: 'f(...a\n)', options: ['never'], errors: UNEXPECTED_SE},
{code: 'f(...a\n)', output: 'f(...a,\n)', options: ['always'], errors: MISSING_SE},
{code: 'f(...a\n)', output: 'f(...a,\n)', options: ['always-multiline'], errors: MISSING_SE},
// NewExpression
{code: 'new F(a)', output: 'new F(a,)', options: ['always'], errors: MISSING_I},
{code: 'new F(a,)', output: 'new F(a)', options: ['always-multiline'], errors: UNEXPECTED_I},
{code: 'new F(a,)', output: 'new F(a)', options: ['only-multiline'], errors: UNEXPECTED_I},
{code: 'new F(a,)', output: 'new F(a)', options: ['never'], errors: UNEXPECTED_I},
{code: 'new F(a,\n)', output: 'new F(a\n)', options: ['never'], errors: UNEXPECTED_I},
{code: 'new F(a\n)', output: 'new F(a,\n)', options: ['always'], errors: MISSING_I},
{code: 'new F(a\n)', output: 'new F(a,\n)', options: ['always-multiline'], errors: MISSING_I},
{code: 'new F(...a)', output: 'new F(...a,)', options: ['always'], errors: MISSING_SE},
{code: 'new F(...a,)', output: 'new F(...a)', options: ['always-multiline'], errors: UNEXPECTED_SE},
{code: 'new F(...a,)', output: 'new F(...a)', options: ['only-multiline'], errors: UNEXPECTED_SE},
{code: 'new F(...a,)', output: 'new F(...a)', options: ['never'], errors: UNEXPECTED_SE},
{code: 'new F(...a,\n)', output: 'new F(...a\n)', options: ['never'], errors: UNEXPECTED_SE},
{code: 'new F(...a\n)', output: 'new F(...a,\n)', options: ['always'], errors: MISSING_SE},
{code: 'new F(...a\n)', output: 'new F(...a,\n)', options: ['always-multiline'], errors: MISSING_SE},
],
});

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@ -1,108 +0,0 @@
/* eslint-disable */
var rule = require('../../rules/object-shorthand'),
RuleTester = require('../RuleTester');
var features = {
objectLiteralShorthandMethods: true,
objectLiteralComputedProperties: true,
objectLiteralShorthandProperties: true,
arrowFunctions: true,
destructuring: true,
generators: true
};
function ok(code, args){
return { code: code, parser: 'babel-eslint', ecmaFeatures: features}
}
var ruleTester = new RuleTester();
ruleTester.run('babel/object-shorthand', rule, {
valid: [
//original test cases
{ code: "var x = {y() {}}", ecmaFeatures: features },
{ code: "var x = {y}", ecmaFeatures: features },
{ code: "var x = {a: b}", ecmaFeatures: features },
{ code: "var x = {a: 'a'}", ecmaFeatures: features },
{ code: "var x = {'a': 'a'}", ecmaFeatures: features },
{ code: "var x = {'a': b}", ecmaFeatures: features },
{ code: "var x = {y(x) {}}", ecmaFeatures: features },
{ code: "var {x,y,z} = x", ecmaFeatures: features },
{ code: "var {x: {y}} = z", ecmaFeatures: features },
{ code: "var x = {*x() {}}", ecmaFeatures: features },
{ code: "var x = {x: y}", ecmaFeatures: features },
{ code: "var x = {x: y, y: z}", ecmaFeatures: features},
{ code: "var x = {x: y, y: z, z: 'z'}", ecmaFeatures: features},
{ code: "var x = {x() {}, y: z, l(){}}", ecmaFeatures: features},
{ code: "var x = {x: y, y: z, a: b}", ecmaFeatures: features},
{ code: "var x = {x: y, y: z, 'a': b}", ecmaFeatures: features},
{ code: "var x = {x: y, y() {}, z: a}", ecmaFeatures: features},
{ code: "doSomething({x: y})", ecmaFeatures: features},
{ code: "doSomething({'x': y})", ecmaFeatures: features},
{ code: "doSomething({x: 'x'})", ecmaFeatures: features},
{ code: "doSomething({'x': 'x'})", ecmaFeatures: features},
{ code: "doSomething({y() {}})", ecmaFeatures: features},
{ code: "doSomething({x: y, y() {}})", ecmaFeatures: features},
{ code: "doSomething({y() {}, z: a})", ecmaFeatures: features},
{ code: "!{ a: function a(){} };", ecmaFeatures: features },
// arrows functions are still alright
{ code: "var x = {y: (x)=>x}", ecmaFeatures: features },
{ code: "doSomething({y: (x)=>x})", ecmaFeatures: features },
{ code: "var x = {y: (x)=>x, y: a}", ecmaFeatures: features },
{ code: "doSomething({x, y: (x)=>x})", ecmaFeatures: features },
// getters and setters are ok
{ code: "var x = {get y() {}}", ecmaFeatures: features },
{ code: "var x = {set y(z) {}}", ecmaFeatures: features },
{ code: "var x = {get y() {}, set y(z) {}}", ecmaFeatures: features },
{ code: "doSomething({get y() {}})", ecmaFeatures: features },
{ code: "doSomething({set y(z) {}})", ecmaFeatures: features },
{ code: "doSomething({get y() {}, set y(z) {}})", ecmaFeatures: features },
// object literal computed properties
{ code: "var x = {[y]: y}", ecmaFeatures: features, options: ["properties"] },
{ code: "var x = {['y']: 'y'}", ecmaFeatures: features, options: ["properties"] },
{ code: "var x = {['y']: y}", ecmaFeatures: features, options: ["properties"] },
// options
{ code: "var x = {y() {}}", ecmaFeatures: features, options: ["methods"] },
{ code: "var x = {x, y() {}, a:b}", ecmaFeatures: features, options: ["methods"] },
{ code: "var x = {y}", ecmaFeatures: features, options: ["properties"] },
{ code: "var x = {y: {b}}", ecmaFeatures: features, options: ["properties"] },
{ code: "var x = {a: n, c: d, f: g}", ecmaFeatures: features, options: ["never"] },
{ code: "var x = {a: function(){}, b: {c: d}}", ecmaFeatures: features, options: ["never"] },
// Babel test cases.
ok('let { ...spread } = obj'),
ok('let { ...spread } = obj', [2, 'never']),
],
invalid: [
{ code: "var x = {x: x}", ecmaFeatures: features, errors: [{ message: "Expected property shorthand.", type: "Property" }] },
{ code: "var x = {'x': x}", ecmaFeatures: features, errors: [{ message: "Expected property shorthand.", type: "Property" }] },
{ code: "var x = {y: y, x: x}", ecmaFeatures: features, errors: [{ message: "Expected property shorthand.", type: "Property" }, { message: "Expected property shorthand.", type: "Property" }] },
{ code: "var x = {y: z, x: x, a: b}", ecmaFeatures: features, errors: [{ message: "Expected property shorthand.", type: "Property" }] },
{ code: "var x = {y: function() {}}", ecmaFeatures: features, errors: [{ message: "Expected method shorthand.", type: "Property" }] },
{ code: "var x = {y: function*() {}}", ecmaFeatures: features, errors: [{ message: "Expected method shorthand.", type: "Property" }] },
{ code: "var x = {x: y, y: z, a: a}", ecmaFeatures: features, errors: [{ message: "Expected property shorthand.", type: "Property" }] },
{ code: "var x = {x: y, y: z, a: function(){}, b() {}}", ecmaFeatures: features, errors: [{ message: "Expected method shorthand.", type: "Property" }] },
{ code: "var x = {x: x, y: function() {}}", ecmaFeatures: features, errors: [{ message: "Expected property shorthand.", type: "Property" }, { message: "Expected method shorthand.", type: "Property" }]},
{ code: "doSomething({x: x})", ecmaFeatures: features, errors: [{ message: "Expected property shorthand.", type: "Property" }] },
{ code: "doSomething({'x': x})", ecmaFeatures: features, errors: [{ message: "Expected property shorthand.", type: "Property" }] },
{ code: "doSomething({a: 'a', 'x': x})", ecmaFeatures: features, errors: [{ message: "Expected property shorthand.", type: "Property" }] },
{ code: "doSomething({y: function() {}})", ecmaFeatures: features, errors: [{ message: "Expected method shorthand.", type: "Property" }] },
// options
{ code: "var x = {y: function() {}}", ecmaFeatures: features, errors: [{ message: "Expected method shorthand.", type: "Property" }], options: ["methods"] },
{ code: "var x = {x, y() {}, z: function() {}}", ecmaFeatures: features, errors: [{ message: "Expected method shorthand.", type: "Property" }], options: ["methods"] },
{ code: "var x = {x: x}", ecmaFeatures: features, errors: [{ message: "Expected property shorthand.", type: "Property" }], options: ["properties"] },
{ code: "var x = {a, b, c(){}, x: x}", ecmaFeatures: features, errors: [{ message: "Expected property shorthand.", type: "Property" }], options: ["properties"] },
{ code: "var x = {y() {}}", ecmaFeatures: features, errors: [{ message: "Expected longform method syntax.", type: "Property" }], options: ["never"] },
{ code: "var x = {*y() {}}", ecmaFeatures: features, errors: [{ message: "Expected longform method syntax.", type: "Property" }], options: ["never"] },
{ code: "var x = {y}", ecmaFeatures: features, errors: [{ message: "Expected longform property syntax.", type: "Property" }], options: ["never"]},
{ code: "var x = {y, a: b, *x(){}}", ecmaFeatures: features, errors: [{ message: "Expected longform property syntax.", type: "Property" }, { message: "Expected longform method syntax.", type: "Property" }], options: ["never"]},
{ code: "var x = {y: {x}}", ecmaFeatures: features, errors: [{ message: "Expected longform property syntax.", type: "Property" }], options: ["never"]}
]
});