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Add base, TypeScript, and Jest config
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7 files changed

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‎.eslintrc.js

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module.exports = {
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root: true,
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extends: [
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'./config/index.js',
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'./config/nodejs.js',
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],
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}

‎config/index.js

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'es6': true,
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'shared-node-browser': true,
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},
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};
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rules: {
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'accessor-pairs': 2,
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'arrow-spacing': [2, { 'before': true, 'after': true }],
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'block-spacing': [2, 'always'],
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'brace-style': 2,
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'camelcase': [2, { 'properties': 'never', 'allow': ['^UNSAFE_'] }],
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'comma-dangle': [2, 'always-multiline'],
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'comma-spacing': [2, { 'before': false, 'after': true }],
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'comma-style': [2, 'last'],
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'constructor-super': 2,
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'curly': 2,
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'default-case': 2,
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'dot-location': [2, 'property'],
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'eol-last': 2,
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'eqeqeq': [2, 'allow-null'],
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'generator-star-spacing': [2, { 'before': true, 'after': true }],
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'handle-callback-err': [2, '^(err|error)$' ],
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'indent': [2, 2, { 'SwitchCase': 1 }],
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'jsx-quotes': [2, 'prefer-double'],
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'key-spacing': 2,
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'keyword-spacing': [2, { 'before': true, 'after': true }],
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'new-cap': [2, { 'newIsCap': true, 'capIsNew': false }],
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'new-parens': 2,
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'no-array-constructor': 2,
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'no-async-promise-executor': 2,
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'no-caller': 2,
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'no-class-assign': 2,
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'no-cond-assign': 2,
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'no-confusing-arrow': 2,
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'no-const-assign': 2,
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'no-control-regex': 2,
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'no-debugger': 2,
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'no-delete-var': 2,
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'no-dupe-args': 2,
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'no-dupe-class-members': 2,
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'no-dupe-keys': 2,
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'no-duplicate-case': 2,
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'no-duplicate-imports': 2,
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'no-empty-character-class': 2,
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'no-empty-pattern': 2,
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'no-eval': 2,
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'no-ex-assign': 2,
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'no-extend-native': 2,
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'no-extra-bind': 2,
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'no-extra-boolean-cast': 2,
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'no-extra-parens': [2, 'functions'],
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'no-fallthrough': 2,
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'no-floating-decimal': 2,
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'no-func-assign': 2,
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'no-implied-eval': 2,
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'no-inner-declarations': [2, 'functions'],
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'no-invalid-regexp': 2,
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'no-irregular-whitespace': 2,
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'no-iterator': 2,
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'no-label-var': 2,
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'no-labels': [2, { 'allowLoop': false, 'allowSwitch': false }],
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'no-lone-blocks': 2,
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'no-mixed-spaces-and-tabs': 2,
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'no-multi-spaces': 2,
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'no-multi-str': 2,
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'no-multiple-empty-lines': [2, { 'max': 2 }],
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'no-native-reassign': 2,
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'no-negated-in-lhs': 2,
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'no-new': 2,
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'no-new-func': 2,
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'no-new-object': 2,
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'no-new-require': 2,
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'no-new-symbol': 2,
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'no-new-wrappers': 2,
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'no-obj-calls': 2,
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'no-octal': 2,
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'no-octal-escape': 2,
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'no-path-concat': 2,
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'no-proto': 2,
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'no-redeclare': 2,
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'no-regex-spaces': 2,
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'no-restricted-globals': [2, 'event'],
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'no-return-assign': [2, 'except-parens'],
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'no-self-assign': 2,
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'no-self-compare': 2,
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'no-sequences': 2,
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'no-shadow-restricted-names': 2,
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'no-spaced-func': 2,
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'no-sparse-arrays': 2,
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'no-this-before-super': 2,
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'no-throw-literal': 2,
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'no-trailing-spaces': 2,
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'no-undef': 2,
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'no-undef-init': 2,
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'no-unexpected-multiline': 2,
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'no-unmodified-loop-condition': 2,
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'no-unneeded-ternary': [2, { 'defaultAssignment': false }],
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'no-unreachable': 2,
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'no-unsafe-finally': 2,
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'no-unused-expressions': [2, { 'allowShortCircuit': true, 'allowTernary': true }],
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'no-unused-vars': [2, { 'vars': 'all', 'args': 'all', 'argsIgnorePattern': '[_]+' }],
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'no-use-before-define': [2, { 'functions': false }],
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'no-useless-call': 2,
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'no-useless-computed-key': 2,
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'no-useless-constructor': 2,
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'no-useless-escape': 2,
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'no-var': 2,
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'no-whitespace-before-property': 2,
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'no-with': 2,
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'object-curly-spacing': [2, 'always'],
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'one-var': [2, { 'initialized': 'never' }],
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'operator-linebreak': [2, 'after', { 'overrides': { '?': 'ignore', ':': 'ignore' } }],
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'padded-blocks': 0,
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'prefer-const': 2,
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'quotes': [2, 'single', { 'avoidEscape': true, 'allowTemplateLiterals': true }],
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'semi': [2, 'never'],
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'semi-spacing': [2, { 'before': false, 'after': true }],
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'space-before-blocks': [2, 'always'],
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'space-before-function-paren': [2, 'always'],
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'space-in-parens': [2, 'never'],
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'space-infix-ops': 2,
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'space-unary-ops': [2, { 'words': true, 'nonwords': false }],
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'spaced-comment': [2, 'always', { 'markers': ['global', 'globals', 'eslint', 'eslint-disable', '*package', '!', ','], 'exceptions': ['=', '-'] } ],
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'strict': 0,
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'template-curly-spacing': [2, 'never'],
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'use-isnan': 2,
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'valid-typeof': 2,
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'wrap-iife': [2, 'any'],
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'yield-star-spacing': [2, 'both'],
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'yoda': [2, 'never'],
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},
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}

‎config/jest.js

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module.exports = {
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plugins: [
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'jest',
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],
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env: {
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'jest/globals': true,
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},
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rules: {
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'jest/consistent-test-it': [2, { 'fn': 'it' }],
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'jest/expect-expect': 2,
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'jest/lowercase-name': 2,
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'jest/no-alias-methods': 0,
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'jest/no-commented-out-tests': 2,
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'jest/no-disabled-tests': 2,
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'jest/no-duplicate-hooks': 2,
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'jest/no-expect-resolves': 2,
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'jest/no-export': 2,
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'jest/no-focused-tests': 2,
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'jest/no-hooks': 0,
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'jest/no-identical-title': 2,
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'jest/no-if': 2,
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'jest/no-jasmine-globals': 2,
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'jest/no-jest-import': 2,
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'jest/no-large-snapshots': 0,
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'jest/no-mocks-import': 2,
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'jest/no-standalone-expect': 2,
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'jest/no-test-callback': 2,
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'jest/no-test-prefixes': 2,
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'jest/no-test-return-statement': 2,
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'jest/no-truthy-falsy': 2,
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'jest/no-try-expect': 2,
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'jest/prefer-called-with': 0,
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'jest/prefer-expect-assertions': 0,
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'jest/prefer-hooks-on-top': 2,
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'jest/prefer-inline-snapshots': 0,
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'jest/prefer-spy-on': 2,
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'jest/prefer-strict-equal': 2,
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'jest/prefer-to-be-null': 2,
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'jest/prefer-to-be-undefined': 2,
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'jest/prefer-to-contain': 2,
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'jest/prefer-to-have-length': 2,
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'jest/prefer-todo': 2,
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'jest/require-top-level-describe': 2,
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'jest/require-to-throw-message': 2,
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'jest/valid-describe': 2,
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'jest/valid-expect-in-promise': 2,
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'jest/valid-expect': [2, { 'alwaysAwait': true }],
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'jest/valid-title': 2,
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},
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}

‎config/nodejs.js

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module.exports = {
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env: {
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node: true,
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},
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}

‎config/typescript.js

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module.exports = {
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root: true,
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parser: '@typescript-eslint/parser',
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plugins: [
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'@typescript-eslint',
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],
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extends: [
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'eslint:recommended',
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'plugin:@typescript-eslint/eslint-recommended',
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'plugin:@typescript-eslint/recommended',
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],
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rules: {
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// Rules from @typescript-eslint/eslint-plugin
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'@typescript-eslint/array-type': 2,
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'@typescript-eslint/consistent-type-definitions': [2, 'type'],
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'@typescript-eslint/no-explicit-any': 0,
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'@typescript-eslint/prefer-for-of': 0,
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'@typescript-eslint/prefer-function-type': 2,
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'@typescript-eslint/prefer-optional-chain': 2,
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'@typescript-eslint/triple-slash-reference': 2,
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'@typescript-eslint/type-annotation-spacing': 2,
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'@typescript-eslint/typedef': 0,
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'@typescript-eslint/unified-signatures': 2,
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// "Extension Rules" from @typescript-eslint/eslint-plugin
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'@typescript-eslint/brace-style': 2,
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'brace-style': 0,
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'@typescript-eslint/default-param-last': 2,
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'default-param-last': 0,
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'@typescript-eslint/func-call-spacing': 2,
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'func-call-spacing': 0,
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'@typescript-eslint/indent': [2, 2, { 'SwitchCase': 1 }],
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'indent': 0,
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'@typescript-eslint/no-array-constructor': 2,
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'no-array-constructor': 0,
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'@typescript-eslint/no-empty-function': 2,
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'no-empty-function': 0,
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'@typescript-eslint/no-extra-parens': 0,
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'no-extra-parens': 0,
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'@typescript-eslint/no-extra-semi': 2,
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'no-extra-semi': 0,
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'@typescript-eslint/no-magic-numbers': 0,
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'no-magic-numbers': 0,
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'@typescript-eslint/no-unused-expressions': [2, { 'allowShortCircuit': true, 'allowTernary': true }],
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'no-unused-expressions': 0,
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'@typescript-eslint/no-unused-vars': [2, { 'vars': 'all', 'args': 'all', 'argsIgnorePattern': '[_]+' }],
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'no-unused-vars': 0,
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'@typescript-eslint/no-use-before-define': [2, { 'functions': false }],
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'no-use-before-define': 0,
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'@typescript-eslint/no-useless-constructor': 2,
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'no-useless-constructor': 0,
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'@typescript-eslint/quotes': [2, 'single', { 'avoidEscape': true, 'allowTemplateLiterals': true }],
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'quotes': 0,
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'@typescript-eslint/semi': [2, 'always'],
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'semi': 0,
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'@typescript-eslint/space-before-function-paren': [2, 'always'],
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'space-before-function-paren': 0,
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},
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}

‎package.json

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},
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"homepage": "https://github.com/MetaMask/eslint-config#readme",
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"devDependencies": {
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"eslint": "^6.8.0"
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"@typescript-eslint/eslint-plugin": "^2.17.0",
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"@typescript-eslint/parser": "^2.17.0",
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"eslint": "^6.8.0",
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"eslint-plugin-jest": "^23.6.0",
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"typescript": "^3.7.5"
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}
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}

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