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refactor(experimental-utils): simplify eslint-utils' predicate types in ast-utils #3563

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Jun 21, 2021
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refactor(experimental-utils): simplify eslint-utils' predicate types in ast-utils #3563

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83 changes: 25 additions & 58 deletions packages/experimental-utils/src/ast-utils/eslint-utils/predicates.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,59 +5,42 @@ type IsPunctuatorTokenWithValueFunction<Value extends string> = (
token: TSESTree.Token,
) => token is TSESTree.PunctuatorToken & { value: Value };

const isArrowToken =
eslintUtils.isArrowToken as IsPunctuatorTokenWithValueFunction<'=>'>;
const isNotArrowToken = eslintUtils.isNotArrowToken as (
type IsNotPunctuatorTokenWithValueFunction<Value extends string> = (
token: TSESTree.Token,
) => token is Exclude<
TSESTree.Token,
TSESTree.PunctuatorToken & { value: '=>' }
TSESTree.PunctuatorToken & { value: Value }
>;

const isArrowToken =
eslintUtils.isArrowToken as IsPunctuatorTokenWithValueFunction<'=>'>;
const isNotArrowToken =
eslintUtils.isNotArrowToken as IsNotPunctuatorTokenWithValueFunction<'=>'>;

const isClosingBraceToken =
eslintUtils.isClosingBraceToken as IsPunctuatorTokenWithValueFunction<'}'>;
const isNotClosingBraceToken = eslintUtils.isNotClosingBraceToken as (
token: TSESTree.Token,
) => token is Exclude<
TSESTree.Token,
TSESTree.PunctuatorToken & { value: '}' }
>;
const isNotClosingBraceToken =
eslintUtils.isNotClosingBraceToken as IsNotPunctuatorTokenWithValueFunction<'}'>;

const isClosingBracketToken =
eslintUtils.isClosingBracketToken as IsPunctuatorTokenWithValueFunction<']'>;
const isNotClosingBracketToken = eslintUtils.isNotClosingBracketToken as (
token: TSESTree.Token,
) => token is Exclude<
TSESTree.Token,
TSESTree.PunctuatorToken & { value: ']' }
>;
const isNotClosingBracketToken =
eslintUtils.isNotClosingBracketToken as IsNotPunctuatorTokenWithValueFunction<']'>;

const isClosingParenToken =
eslintUtils.isClosingParenToken as IsPunctuatorTokenWithValueFunction<')'>;
const isNotClosingParenToken = eslintUtils.isNotClosingParenToken as (
token: TSESTree.Token,
) => token is Exclude<
TSESTree.Token,
TSESTree.PunctuatorToken & { value: ')' }
>;
const isNotClosingParenToken =
eslintUtils.isNotClosingParenToken as IsNotPunctuatorTokenWithValueFunction<')'>;

const isColonToken =
eslintUtils.isColonToken as IsPunctuatorTokenWithValueFunction<':'>;
const isNotColonToken = eslintUtils.isNotColonToken as (
token: TSESTree.Token,
) => token is Exclude<
TSESTree.Token,
TSESTree.PunctuatorToken & { value: ':' }
>;
const isNotColonToken =
eslintUtils.isNotColonToken as IsNotPunctuatorTokenWithValueFunction<':'>;

const isCommaToken =
eslintUtils.isCommaToken as IsPunctuatorTokenWithValueFunction<','>;
const isNotCommaToken = eslintUtils.isNotCommaToken as (
token: TSESTree.Token,
) => token is Exclude<
TSESTree.Token,
TSESTree.PunctuatorToken & { value: ',' }
>;
const isNotCommaToken =
eslintUtils.isNotCommaToken as IsNotPunctuatorTokenWithValueFunction<','>;

const isCommentToken = eslintUtils.isCommentToken as (
token: TSESTree.Token,
Expand All @@ -68,39 +51,23 @@ const isNotCommentToken = eslintUtils.isNotCommentToken as (

const isOpeningBraceToken =
eslintUtils.isOpeningBraceToken as IsPunctuatorTokenWithValueFunction<'{'>;
const isNotOpeningBraceToken = eslintUtils.isNotOpeningBraceToken as (
token: TSESTree.Token,
) => token is Exclude<
TSESTree.Token,
TSESTree.PunctuatorToken & { value: '{' }
>;
const isNotOpeningBraceToken =
eslintUtils.isNotOpeningBraceToken as IsNotPunctuatorTokenWithValueFunction<'{'>;

const isOpeningBracketToken =
eslintUtils.isOpeningBracketToken as IsPunctuatorTokenWithValueFunction<'['>;
const isNotOpeningBracketToken = eslintUtils.isNotOpeningBracketToken as (
token: TSESTree.Token,
) => token is Exclude<
TSESTree.Token,
TSESTree.PunctuatorToken & { value: '[' }
>;
const isNotOpeningBracketToken =
eslintUtils.isNotOpeningBracketToken as IsNotPunctuatorTokenWithValueFunction<'['>;

const isOpeningParenToken =
eslintUtils.isOpeningParenToken as IsPunctuatorTokenWithValueFunction<'('>;
const isNotOpeningParenToken = eslintUtils.isNotOpeningParenToken as (
token: TSESTree.Token,
) => token is Exclude<
TSESTree.Token,
TSESTree.PunctuatorToken & { value: '(' }
>;
const isNotOpeningParenToken =
eslintUtils.isNotOpeningParenToken as IsNotPunctuatorTokenWithValueFunction<'('>;

const isSemicolonToken =
eslintUtils.isSemicolonToken as IsPunctuatorTokenWithValueFunction<';'>;
const isNotSemicolonToken = eslintUtils.isNotSemicolonToken as (
token: TSESTree.Token,
) => token is Exclude<
TSESTree.Token,
TSESTree.PunctuatorToken & { value: ';' }
>;
const isNotSemicolonToken =
eslintUtils.isNotSemicolonToken as IsNotPunctuatorTokenWithValueFunction<';'>;

export {
isArrowToken,
Expand Down