@agoda-com/tslint

1.0.0 • Public • Published

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agoda-tslint

A set of additional TSLint rules used on some Agoda projects.

do-not-use

Prints out a warning, that this function / method should not be used, and should get refactored if possible

A list of banned functions or methods in the following format:

  • marking functions as not cool:
    • just the name of the function: "functionName"
    • the name of the function in an array with one element: ["functionName"]
    • an object in the following format: {"name": "functionName", "message": "optional explanation message"}
  • marking methods as not cool:
    • an array with the object name, method name and optional message: ["functionName", "methodName", "optional message"]
    • an object in the following format: {"name": ["objectName", "methodName"], "message": "optional message"}
      • you can also ban deeply nested methods: {"name": ["foo", "bar", "baz"]} bans foo.bar.baz()
      • the first element can contain a wildcard (*) that matches everything. {"name": ["*", "forEach"]} bans [].forEach(...), $(...).forEach(...), arr.forEach(...), etc.

Example:

[].forEach(e => doSomething()); // -> not allowed

Example usage:

"do-not-use": [
    true,
    {name: ["*", "forEach"], message: "Please refactor and use regular loops instead"},
],

root-relative-imports

Prevents traversing upwards in directory structure when importing files, forcing the use of root relative imports instead.

Example:

import { MyComponent } from './MyComponent'; // -> allowed
import { MyComponent } from './Child/MyComponent'; // -> allowed
import { MyComponent } from 'components/MyComponent'; // -> allowed
import { MyComponent } from '../components/MyComponent'; // -> not allowed

Example usage:

"root-relative-imports": true,

disallowed-in-tests

Prints out a warning, that this CallExpression should not be used in the TEST files, and should get refactored if possible.

name

name of the call expression you want to ban in the test files.

  • if that callExpression is a function, just simple give the function name.
  • if that callExpression is a method, give use please write down the full path "object.method"

Message

warning message you would like to give to the particular callExpression.

Example:

//myFile.test.tsx

it('all elements are loaded correctly', (done) => {
    const wrapper = mount(<SomeComponent {...someComponentParams} />);
    // not allowed
    setTimeout(
        () => {
            expect(...)
        }, 0);
});

Example usage:

{
    "disallowed-in-tests": [
      true,
      {"name": "setTimeout", "message": "no setTimeout allow in test files"}
    ]
}

no-mount-and-snapshot

Prints out a warning, that you should not be using mount and toMatchSnapshot in the same test case.

Example

//myFile.test.tsx

// not allowed
it('all elements are loaded correctly', () => {
    const wrapper = mount(<SomeComponent {...someComponentParams} />);
    expect(enzymeToJson(wrapper)).toMatchSnapshot();
});

// allowed
it('all elements are loaded correctly', () => {
    const wrapper = shallow(<SomeComponent {...someComponentParams} />);
    expect(enzymeToJson(wrapper)).toMatchSnapshot();
});

// allowed
it('all elements are loaded correctly', () => {
    const wrapper = mount(<SomeComponent {...someComponentParams} />);
    expect(wrapper.find(myComponent).length).toBe(1);;
});

Example usage:

"no-mount-and-snapshot": true,

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  • krraj
  • cyberhck
  • monkey3310
  • stefan_at_agoda