.eslintrc.js

const sharedConfigs = require('superdesk-code-style');

module.exports = Object.assign({}, sharedConfigs, {
    rules: Object.assign(sharedConfigs.rules, {
        'no-nested-ternary': 0,
        'no-unused-vars': 0, // marks typescript interfaces as unused vars
        'no-undef': 0, // marks interface properties as usages of undeclared variables

        // field names from back-end use camel-case for naming.
        // I'm not convinced it's worth using a bracket notation only to satisfy a lint rule
        'camelcase': 0,

        // doesn't make sense with many properties
        // 10 may use shorthand and one may be inline or reference differently named variable
        'object-shorthand': 0,

        // can make functions harder to read; forces into rewriting the function to insert a debugger
        'arrow-body-style': 0,

        // leaving up to developers. I prefer to quote external strings like css names,
        // but keep internal properties unquoted unless required
        'quote-props': 0,

        'newline-per-chained-call': ["error", {"ignoreChainWithDepth": 3}],
    }),
    parser: '@typescript-eslint/parser',
    overrides: [
        {
            files: ['*.ts', '*.tsx'],
            rules: {
                'react/prop-types': 0, // interfaces are used in TypeScript files
                'no-unused-vars': 0,
                'no-undef': 0,
                'comma-dangle': 0,
                'camelcase': 0,
                'object-shorthand': 0,
                'arrow-body-style': 0,
                'newline-per-chained-call': 0,
                'quote-props': 0,
                'arrow-body-style': 0,
                'max-len': 0, // handled by tslint

                "comma-dangle": ["error", {
                    "arrays": "always-multiline",
                    "objects": "always-multiline",
                    "imports": "always-multiline",
                    "exports": "always-multiline",
                    "functions": "always-multiline"
                }],


                // allow calling hasOwnProperty
                "no-prototype-builtins": 0,
            },
        },
        {
            files: ['*.d.ts'],
            rules: {
                'spaced-comment': 0,
            },
        },
    ],
});