+++ /dev/null
-/**
- * @fileoverview Rule to control spacing within function calls
- * @author Matt DuVall <http://www.mattduvall.com>
- */
-
-"use strict";
-
-//------------------------------------------------------------------------------
-// Requirements
-//------------------------------------------------------------------------------
-
-const astUtils = require("./utils/ast-utils");
-
-//------------------------------------------------------------------------------
-// Rule Definition
-//------------------------------------------------------------------------------
-
-module.exports = {
- meta: {
- type: "layout",
-
- docs: {
- description: "require or disallow spacing between function identifiers and their invocations",
- category: "Stylistic Issues",
- recommended: false,
- url: "https://eslint.org/docs/rules/func-call-spacing"
- },
-
- fixable: "whitespace",
-
- schema: {
- anyOf: [
- {
- type: "array",
- items: [
- {
- enum: ["never"]
- }
- ],
- minItems: 0,
- maxItems: 1
- },
- {
- type: "array",
- items: [
- {
- enum: ["always"]
- },
- {
- type: "object",
- properties: {
- allowNewlines: {
- type: "boolean"
- }
- },
- additionalProperties: false
- }
- ],
- minItems: 0,
- maxItems: 2
- }
- ]
- },
-
- messages: {
- unexpected: "Unexpected newline between function name and paren.",
- missing: "Missing space between function name and paren."
- }
- },
-
- create(context) {
-
- const never = context.options[0] !== "always";
- const allowNewlines = !never && context.options[1] && context.options[1].allowNewlines;
- const sourceCode = context.getSourceCode();
- const text = sourceCode.getText();
-
- /**
- * Check if open space is present in a function name
- * @param {ASTNode} node node to evaluate
- * @param {Token} leftToken The last token of the callee. This may be the closing parenthesis that encloses the callee.
- * @param {Token} rightToken Tha first token of the arguments. this is the opening parenthesis that encloses the arguments.
- * @returns {void}
- * @private
- */
- function checkSpacing(node, leftToken, rightToken) {
- const textBetweenTokens = text.slice(leftToken.range[1], rightToken.range[0]).replace(/\/\*.*?\*\//gu, "");
- const hasWhitespace = /\s/u.test(textBetweenTokens);
- const hasNewline = hasWhitespace && astUtils.LINEBREAK_MATCHER.test(textBetweenTokens);
-
- /*
- * never allowNewlines hasWhitespace hasNewline message
- * F F F F Missing space between function name and paren.
- * F F F T (Invalid `!hasWhitespace && hasNewline`)
- * F F T T Unexpected newline between function name and paren.
- * F F T F (OK)
- * F T T F (OK)
- * F T T T (OK)
- * F T F T (Invalid `!hasWhitespace && hasNewline`)
- * F T F F Missing space between function name and paren.
- * T T F F (Invalid `never && allowNewlines`)
- * T T F T (Invalid `!hasWhitespace && hasNewline`)
- * T T T T (Invalid `never && allowNewlines`)
- * T T T F (Invalid `never && allowNewlines`)
- * T F T F Unexpected space between function name and paren.
- * T F T T Unexpected space between function name and paren.
- * T F F T (Invalid `!hasWhitespace && hasNewline`)
- * T F F F (OK)
- *
- * T T Unexpected space between function name and paren.
- * F F Missing space between function name and paren.
- * F F T Unexpected newline between function name and paren.
- */
-
- if (never && hasWhitespace) {
- context.report({
- node,
- loc: leftToken.loc.start,
- messageId: "unexpected",
- fix(fixer) {
-
- /*
- * Only autofix if there is no newline
- * https://github.com/eslint/eslint/issues/7787
- */
- if (!hasNewline) {
- return fixer.removeRange([leftToken.range[1], rightToken.range[0]]);
- }
-
- return null;
- }
- });
- } else if (!never && !hasWhitespace) {
- context.report({
- node,
- loc: leftToken.loc.start,
- messageId: "missing",
- fix(fixer) {
- return fixer.insertTextBefore(rightToken, " ");
- }
- });
- } else if (!never && !allowNewlines && hasNewline) {
- context.report({
- node,
- loc: leftToken.loc.start,
- messageId: "unexpected",
- fix(fixer) {
- return fixer.replaceTextRange([leftToken.range[1], rightToken.range[0]], " ");
- }
- });
- }
- }
-
- return {
- "CallExpression, NewExpression"(node) {
- const lastToken = sourceCode.getLastToken(node);
- const lastCalleeToken = sourceCode.getLastToken(node.callee);
- const parenToken = sourceCode.getFirstTokenBetween(lastCalleeToken, lastToken, astUtils.isOpeningParenToken);
- const prevToken = parenToken && sourceCode.getTokenBefore(parenToken);
-
- // Parens in NewExpression are optional
- if (!(parenToken && parenToken.range[1] < node.range[1])) {
- return;
- }
-
- checkSpacing(node, prevToken, parenToken);
- },
-
- ImportExpression(node) {
- const leftToken = sourceCode.getFirstToken(node);
- const rightToken = sourceCode.getTokenAfter(leftToken);
-
- checkSpacing(node, leftToken, rightToken);
- }
- };
-
- }
-};
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