/
.eslintrc.js
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/
.eslintrc.js
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module.exports = {
root: true,
extends: [
'@mscharley',
'@mscharley/eslint-config/node',
],
overrides: [
{
files: ["*.ts"],
rules: {
"@typescript-eslint/ban-types": [
"error",
{
extendDefaults: false,
// This will probably change over time. This should only remove the object type.
// @see: https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/ban-types.md
types: {
String: {
message: 'Use string instead',
fixWith: 'string',
},
Boolean: {
message: 'Use boolean instead',
fixWith: 'boolean',
},
Number: {
message: 'Use number instead',
fixWith: 'number',
},
Symbol: {
message: 'Use symbol instead',
fixWith: 'symbol',
},
Function: {
message: [
'The `Function` type accepts any function-like value.',
'It provides no type safety when calling the function, which can be a common source of bugs.',
'It also accepts things like class declarations, which will throw at runtime as they will not be called with `new`.',
'If you are expecting the function to accept certain arguments, you should explicitly define the function shape.',
].join('\n'),
},
// object typing
Object: {
message: [
'The `Object` type actually means "any non-nullish value", so it is marginally better than `unknown`.',
'- If you want a type meaning "any object", you probably want `Record<string, unknown>` instead.',
'- If you want a type meaning "any value", you probably want `unknown` instead.',
].join('\n'),
},
'{}': {
message: [
'`{}` actually means "any non-nullish value".',
'- If you want a type meaning "any object", you probably want `Record<string, unknown>` instead.',
'- If you want a type meaning "any value", you probably want `unknown` instead.',
].join('\n'),
},
},
},
],
},
},
],
};