/
no-mixed-spaces-and-tabs.js
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/
no-mixed-spaces-and-tabs.js
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/**
* @fileoverview Disallow mixed spaces and tabs for indentation
* @author Jary Niebur
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../lib/rules/no-mixed-spaces-and-tabs"),
{ RuleTester } = require("../../../lib/rule-tester");
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
const ruleTester = new RuleTester();
ruleTester.run("no-mixed-spaces-and-tabs", rule, {
valid: [
"\tvar x = 5;",
" var x = 5;",
"\t/*\n\t * Hello\n\t */",
"// foo\n\t/**\n\t * Hello\n\t */",
"/*\n\n \t \n*/",
{
code: "\tvar x = 5,\n\t y = 2;",
options: [true]
},
{
code: "/*\n\t */`\n\t `;",
env: { es6: true }
},
{
code: "/*\n\t */var a = `\n\t `, b = `\n\t `/*\t \n\t \n*/;",
env: { es6: true }
},
{
code: "/*\t `template inside comment` */",
env: { es6: true }
},
{
code: "var foo = `\t /* comment inside template\t */`;",
env: { es6: true }
},
{
code: "`\n\t `;",
env: { es6: true }
},
{
code: "`\n\t \n`;",
env: { es6: true }
},
{
code: "`\t `;",
env: { es6: true }
},
{
code: "const foo = `${console}\n\t foo`;",
env: { es6: true }
},
{
code: "`\t `;` \t`",
env: { es6: true }
},
{
code: "`foo${ 5 }\t `;",
env: { es6: true }
},
"' \t\\\n\t multiline string';",
"'\t \\\n \tmultiline string';",
{
code: "\tvar x = 5,\n\t y = 2;",
options: ["smart-tabs"]
}
],
invalid: [
{
code: "function add(x, y) {\n\t return x + y;\n}",
errors: [
{
message: "Mixed spaces and tabs.",
type: "Program",
line: 2
}
]
},
{
code: "\t ;\n/*\n\t * Hello\n\t */",
errors: [
{
message: "Mixed spaces and tabs.",
type: "Program",
line: 1
}
]
},
{
code: "\t var x = 5, y = 2, z = 5;\n\n\t \tvar j =\t x + y;\nz *= j;",
errors: [
{
message: "Mixed spaces and tabs.",
type: "Program",
line: 1
},
{
message: "Mixed spaces and tabs.",
type: "Program",
line: 3
}
]
},
{
code: "\tvar x = 5,\n \t y = 2;",
options: [true],
errors: [
{
message: "Mixed spaces and tabs.",
type: "Program",
line: 2
}
]
},
{
code: "\tvar x = 5,\n \t y = 2;",
options: ["smart-tabs"],
errors: [
{
message: "Mixed spaces and tabs.",
type: "Program",
line: 2
}
]
},
{
code: "`foo${\n \t 5 }bar`;",
options: ["smart-tabs"],
env: { es6: true },
errors: [
{
message: "Mixed spaces and tabs.",
type: "Program",
line: 2,
column: 2
}
]
},
{
code: "`foo${\n\t 5 }bar`;",
env: { es6: true },
errors: [
{
message: "Mixed spaces and tabs.",
type: "Program",
line: 2,
column: 2
}
]
},
{
code: " \t'';",
errors: [
{
message: "Mixed spaces and tabs.",
type: "Program",
line: 1
}
]
},
{
code: "''\n\t ",
errors: [
{
message: "Mixed spaces and tabs.",
type: "Program",
line: 2
}
]
}
]
});