test.ts.lint

"use strict"

import { Something } from "some-package"
export { SomethingElse } from "another-package"

enum Sides {
    '<- Left',
    'Right ->'
}

const octalEscapeSequence = '\1'
const octalEscapeSequence2 = '\7'
const octalEscapeSequence3 = '\77'
const octalEscapeSequence4 = '\377'
const octalEscapeSequence5 = '\123'
// Prefix (\47) is an octal escape sequence
const octalEscapeSequence6 = '\477'

const notOctalEscapeSequence = '\877'
                               ~~~~~~ [single]
const notOctalEscapeSequence2 = '\017'
                                ~~~~~~ [single]
const notOctalEscapeSequence3 = '\t'
                                ~~~~ [single]
const notOctalEscapeSequence4 = '\0'
                                ~~~~ [single]

function strictFunction() {
    "use strict"

    const str = "use strict"
                ~~~~~~~~~~~~ [double]
}

var single = 'single';
             ~~~~~~~~  [single]
    var double = "married";
                 ~~~~~~~~~ [double]
var singleWithinDouble = "'singleWithinDouble'";
                         ~~~~~~~~~~~~~~~~~~~~~~ [double]
var doubleWithinSingle = '"doubleWithinSingle"';
                         ~~~~~~~~~~~~~~~~~~~~~~  [single]
var tabNewlineWithinSingle = 'tab\tNewline\nWithinSingle';
                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~  [single]

var array: Array<"literal string"> = [];
var arrayTwo: Array<"literal string" | number> = [];
var arrayThree: Array<"literal string" | "hello world"> = [];
var arrayFour: Array<"literal string" | "hello world" | "foo bar"> = [];
var array: Array<"literal string"> = [];
var arrayTwo: Array<"literal string" & number> = [];
var arrayFour: Array<"literal string" | "hello world" & "foo bar"> = [];

function test<T extends "generic">() {

}

function test<T extends ("generic" & number)>() {

}

declare var obj: {
    helloWorldString: string
}

interface obj2 {
    helloWorldString: string
}

type objHello = typeof obj["helloWorldString"]
type objHello2 = obj2["helloWorldString"]
let helloValue = obj["helloWorldString"]
                     ~~~~~~~~~~~~~~~~~~ [double]

helloValue = obj["helloWorldString"]
                 ~~~~~~~~~~~~~~~~~~ [double]

const obj3: {
    value: typeof obj["helloWorldString"]
} = {
    value: obj["helloWorldString"]
               ~~~~~~~~~~~~~~~~~~ [double]
}

const callback = <U extends "generic">() => "hi" as number | string
                                            ~~~~ [double]

var hello: "world";
           ~~~~~~~ [double]
'escaped\'quotemark';
~~~~~~~~~~~~~~~~~~~~ [single]

// "avoid-template" option is not set.
`foo`;
[single]: ' should be `
[double]: " should be `