How to fix Definition for rule typescript-eslint no-use-before-declare was not found eslint typescript-eslint no-use-before-declare

0 votes

I am new to eslint and I cannot figure out how to solve this issue. The beginning of my imports is always underlined with a red line. It complains about the definition not being found for the specified rule. I would like to keep the rule in place as it is seems it will be otherwise useful.

image

For my .eslintrc.js file I have the following rules set up:

module.exports = {
    env: {
        browser: true,
        node: true
    },
    extends: [
        'eslint:recommended',
        'plugin:@typescript-eslint/eslint-recommended',
        'plugin:@typescript-eslint/recommended',
        'plugin:@typescript-eslint/recommended-requiring-type-checking',
        'prettier'
    ],
    parser: '@typescript-eslint/parser',
    parserOptions: {
        project: 'tsconfig.json',
        sourceType: 'module'
    },
    plugins: ['@typescript-eslint', '@typescript-eslint/tslint'],
    rules: {
        '@typescript-eslint/class-name-casing': 'error',
        '@typescript-eslint/consistent-type-definitions': 'error',
        '@typescript-eslint/explicit-member-accessibility': [
            'off',
            {
                accessibility: 'explicit'
            }
        ],
        '@typescript-eslint/indent': ['error', 'tab'],
        '@typescript-eslint/member-delimiter-style': [
            'error',
            {
                multiline: {
                    delimiter: 'semi',
                    requireLast: true
                },
                singleline: {
                    delimiter: 'semi',
                    requireLast: false
                }
            }
        ],
        '@typescript-eslint/member-ordering': 'error',
        '@typescript-eslint/no-empty-function': 'off',
        '@typescript-eslint/no-empty-interface': 'error',
        '@typescript-eslint/no-inferrable-types': 'error',
        '@typescript-eslint/no-misused-new': 'error',
        '@typescript-eslint/no-non-null-assertion': 'error',
        '@typescript-eslint/no-use-before-declare': ['error', { functions: true, classes: true, variables: true }],
        '@typescript-eslint/prefer-function-type': 'error',
        '@typescript-eslint/quotes': ['error', 'single'],
        '@typescript-eslint/semi': ['error', 'always'],
        '@typescript-eslint/type-annotation-spacing': 'error',
        '@typescript-eslint/unified-signatures': 'error',
        'arrow-body-style': 'error',
        camelcase: 'off',
        'capitalized-comments': 'error',
        'constructor-super': 'error',
        curly: 'error',
        'dot-notation': 'off',
        'eol-last': 'error',
        eqeqeq: ['error', 'smart'],
        'guard-for-in': 'error',
        'id-blacklist': 'off',
        'id-match': 'off',
        'import/no-deprecated': 'warn',
        'max-classes-per-file': ['error', 1],
        'max-len': [
            'error',
            {
                code: 140
            }
        ],
        'no-bitwise': 'error',
        'no-caller': 'error',
        'no-console': [
            'error',
            {
                allow: [
                    'log',
                    'warn',
                    'dir',
                    'timeLog',
                    'assert',
                    'clear',
                    'count',
                    'countReset',
                    'group',
                    'groupEnd',
                    'table',
                    'dirxml',
                    'error',
                    'groupCollapsed',
                    'Console',
                    'profile',
                    'profileEnd',
                    'timeStamp',
                    'context'
                ]
            }
        ],
        'no-debugger': 'error',
        'no-empty': 'off',
        'no-eval': 'error',
        'no-fallthrough': 'error',
        'no-new-wrappers': 'error',
        'no-shadow': [
            'error',
            {
                hoist: 'all'
            }
        ],
        'no-throw-literal': 'error',
        'no-trailing-spaces': 'error',
        'no-undef-init': 'error',
        'no-underscore-dangle': 'off',
        'no-unused-expressions': 'error',
        'no-unused-labels': 'error',
        'no-var': 'error',
        'prefer-const': 'error',
        radix: 'error',
        'spaced-comment': 'error',
        '@typescript-eslint/tslint/config': [
            'error',
            {
                rules: {
                    'component-class-suffix': [true, 'Component', 'View', 'Routing'],
                    'contextual-lifecycle': true,
                    'directive-class-suffix': true,
                    'import-blacklist': [true, 'rxjs/Rx'],
                    'import-spacing': true,
                    'no-host-metadata-property': true,
                    'no-input-rename': true,
                    'no-inputs-metadata-property': true,
                    'no-output-on-prefix': true,
                    'no-output-rename': true,
                    'no-outputs-metadata-property': true,
                    'no-redundant-jsdoc': true,
                    'one-line': [true, 'check-open-brace', 'check-catch', 'check-else', 'check-whitespace'],
                    'template-banana-in-box': true,
                    'template-no-negated-async': true,
                    'use-component-view-encapsulation': true,
                    'use-lifecycle-interface': true,
                    'use-pipe-decorator': true,
                    'use-pipe-transform-interface': true,
                    'no-unused-vars': ['error', { vars: 'all', args: 'after-used', ignoreRestSiblings: false }],
                    whitespace: [true, 'check-branch', 'check-decl', 'check-operator', 'check-separator', 'check-type']
                }
            }
        ]
    }
};

Any idea how to fix this other than removing the rule?

May 31, 2022 in TypeSript by Logan
• 2,140 points
16,749 views

1 answer to this question.

0 votes

Well according to this page, this rule is discouraged as modern TypeScript does not use it and is slow to compute. So you should remove this depricated rule.

If however you still want to keep using it, you can try something like 

{ "no-use-before-define": ["error", { "variables": false }] }

Try referencing more about this here

answered Jun 1, 2022 by Nina
• 3,060 points

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