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space-infix-ops.js
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space-infix-ops.js
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/**
* @fileoverview Require spaces around infix operators
* @author Michael Ficarra
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../lib/rules/space-infix-ops"),
RuleTester = require("../../../lib/testers/rule-tester"),
parser = require("../../fixtures/fixture-parser");
const ruleTester = new RuleTester();
ruleTester.run("space-infix-ops", rule, {
valid: [
"a + b",
"a + b",
"(a) + (b)",
"a + (b)",
"a + +(b)",
"a + (+(b))",
"(a + b) + (c + d)",
"a = b",
"a ? b : c",
"var a = b",
{ code: "const my_object = {key: 'value'};", parserOptions: { ecmaVersion: 6 } },
{ code: "var {a = 0} = bar;", parserOptions: { ecmaVersion: 6 } },
{ code: "function foo(a = 0) { }", parserOptions: { ecmaVersion: 6 } },
{ code: "a ** b", parserOptions: { ecmaVersion: 7 } },
{ code: "a|0", options: [{ int32Hint: true }] },
{ code: "a |0", options: [{ int32Hint: true }] },
// Type Annotations
{ code: "function foo(a: number = 0) { }", parserOptions: { ecmaVersion: 6 }, parser: parser("type-annotations/function-parameter-type-annotation") },
{ code: "function foo(): Bar { }", parserOptions: { ecmaVersion: 6 }, parser: parser("type-annotations/function-return-type-annotation") },
{ code: "var foo: Bar = '';", parserOptions: { ecmaVersion: 6 }, parser: parser("type-annotations/variable-declaration-init-type-annotation") },
{ code: "const foo = function(a: number = 0): Bar { };", parserOptions: { ecmaVersion: 6 }, parser: parser("type-annotations/function-expression-type-annotation") },
// TypeScript Type Aliases
{ code: "type Foo<T> = T;", parserOptions: { ecmaVersion: 6 }, parser: parser("typescript-parsers/type-alias") }
],
invalid: [
{
code: "a+b",
output: "a + b",
errors: [{
message: "Infix operators must be spaced.",
type: "BinaryExpression",
line: 1,
column: 2
}]
},
{
code: "a +b",
output: "a + b",
errors: [{
message: "Infix operators must be spaced.",
type: "BinaryExpression",
line: 1,
column: 3
}]
},
{
code: "a+ b",
output: "a + b",
errors: [{
message: "Infix operators must be spaced.",
type: "BinaryExpression",
line: 1,
column: 2
}]
},
{
code: "a||b",
output: "a || b",
errors: [{
message: "Infix operators must be spaced.",
type: "LogicalExpression",
line: 1,
column: 2
}]
},
{
code: "a ||b",
output: "a || b",
errors: [{
message: "Infix operators must be spaced.",
type: "LogicalExpression",
line: 1,
column: 3
}]
},
{
code: "a|| b",
output: "a || b",
errors: [{
message: "Infix operators must be spaced.",
type: "LogicalExpression",
line: 1,
column: 2
}]
},
{
code: "a=b",
output: "a = b",
errors: [{
message: "Infix operators must be spaced.",
type: "AssignmentExpression",
line: 1,
column: 2
}]
},
{
code: "a= b",
output: "a = b",
errors: [{
message: "Infix operators must be spaced.",
type: "AssignmentExpression",
line: 1,
column: 2
}]
},
{
code: "a =b",
output: "a = b",
errors: [{
message: "Infix operators must be spaced.",
type: "AssignmentExpression",
line: 1,
column: 3
}]
},
{
code: "a?b:c",
output: "a ? b:c",
errors: [{
message: "Infix operators must be spaced.",
type: "ConditionalExpression",
line: 1,
column: 2
}]
},
{
code: "a?b : c",
output: "a ? b : c",
errors: [{
message: "Infix operators must be spaced.",
type: "ConditionalExpression",
line: 1,
column: 2
}]
},
{
code: "a ? b:c",
output: "a ? b : c",
errors: [{
message: "Infix operators must be spaced.",
type: "ConditionalExpression",
line: 1,
column: 6
}]
},
{
code: "a? b : c",
output: "a ? b : c",
errors: [{
message: "Infix operators must be spaced.",
type: "ConditionalExpression",
line: 1,
column: 2
}]
},
{
code: "a ?b : c",
output: "a ? b : c",
errors: [{
message: "Infix operators must be spaced.",
type: "ConditionalExpression",
line: 1,
column: 3
}]
},
{
code: "a ? b: c",
output: "a ? b : c",
errors: [{
message: "Infix operators must be spaced.",
type: "ConditionalExpression",
line: 1,
column: 6
}]
},
{
code: "a ? b :c",
output: "a ? b : c",
errors: [{
message: "Infix operators must be spaced.",
type: "ConditionalExpression",
line: 1,
column: 7
}]
},
{
code: "var a=b;",
output: "var a = b;",
errors: [{
message: "Infix operators must be spaced.",
type: "VariableDeclarator",
line: 1,
column: 6
}]
},
{
code: "var a= b;",
output: "var a = b;",
errors: [{
message: "Infix operators must be spaced.",
type: "VariableDeclarator",
line: 1,
column: 6
}]
},
{
code: "var a =b;",
output: "var a = b;",
errors: [{
message: "Infix operators must be spaced.",
type: "VariableDeclarator",
line: 1,
column: 7
}]
},
{
code: "var a = b, c=d;",
output: "var a = b, c = d;",
errors: [{
message: "Infix operators must be spaced.",
type: "VariableDeclarator",
line: 1,
column: 13
}]
},
{
code: "a| 0",
output: "a | 0",
options: [{
int32Hint: true
}],
errors: [{
message: "Infix operators must be spaced.",
type: "BinaryExpression",
line: 1,
column: 2
}]
},
{
code: "var output = test || (test && test.value) ||(test2 && test2.value);",
output: "var output = test || (test && test.value) || (test2 && test2.value);",
errors: [{
message: "Infix operators must be spaced.",
type: "LogicalExpression",
line: 1,
column: 43
}]
},
{
code: "var output = a ||(b && c.value) || (d && e.value);",
output: "var output = a || (b && c.value) || (d && e.value);",
errors: [{
message: "Infix operators must be spaced.",
type: "LogicalExpression",
line: 1,
column: 16
}]
},
{
code: "var output = a|| (b && c.value) || (d && e.value);",
output: "var output = a || (b && c.value) || (d && e.value);",
errors: [{
message: "Infix operators must be spaced.",
type: "LogicalExpression",
line: 1,
column: 15
}]
},
{
code: "const my_object={key: 'value'}",
output: "const my_object = {key: 'value'}",
parserOptions: { ecmaVersion: 6 },
errors: [{
message: "Infix operators must be spaced.",
type: "VariableDeclarator",
line: 1,
column: 16
}]
},
{
code: "var {a=0}=bar;",
output: "var {a = 0} = bar;",
parserOptions: { ecmaVersion: 6 },
errors: [{
message: "Infix operators must be spaced.",
line: 1,
column: 7,
nodeType: "AssignmentPattern"
}, {
message: "Infix operators must be spaced.",
line: 1,
column: 10,
nodeType: "VariableDeclarator"
}]
},
{
code: "function foo(a=0) { }",
output: "function foo(a = 0) { }",
parserOptions: { ecmaVersion: 6 },
errors: [{
message: "Infix operators must be spaced.",
line: 1,
column: 15,
nodeType: "AssignmentPattern"
}]
},
{
code: "a**b",
output: "a ** b",
parserOptions: { ecmaVersion: 7 },
errors: [{
message: "Infix operators must be spaced.",
line: 1,
column: 2,
nodeType: "BinaryExpression"
}]
},
{
code: "'foo'in{}",
output: "'foo' in {}",
errors: [{
message: "Infix operators must be spaced.",
line: 1,
column: 6,
nodeType: "BinaryExpression"
}]
},
{
code: "'foo'instanceof{}",
output: "'foo' instanceof {}",
errors: [{
message: "Infix operators must be spaced.",
line: 1,
column: 6,
nodeType: "BinaryExpression"
}]
},
// Type Annotations
{
code: "var a: Foo= b;",
output: "var a: Foo = b;",
errors: [{
message: "Infix operators must be spaced.",
type: "VariableDeclarator",
line: 1,
column: 11
}],
parser: parser("type-annotations/variable-declaration-init-type-annotation-no-space")
},
{
code: "function foo(a: number=0): Foo { }",
output: "function foo(a: number = 0): Foo { }",
parserOptions: { ecmaVersion: 6 },
errors: [{
message: "Infix operators must be spaced.",
line: 1,
column: 23,
nodeType: "AssignmentPattern"
}],
parser: parser("type-annotations/function-declaration-type-annotation-no-space")
}
]
});