131 lines
4.3 KiB
JavaScript
131 lines
4.3 KiB
JavaScript
/**
|
|
* @fileoverview Rule to check the spacing around the * in yield* expressions.
|
|
* @author Bryan Smith
|
|
* @deprecated in ESLint v8.53.0
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Rule Definition
|
|
//------------------------------------------------------------------------------
|
|
|
|
/** @type {import('../shared/types').Rule} */
|
|
module.exports = {
|
|
meta: {
|
|
deprecated: true,
|
|
replacedBy: [],
|
|
type: "layout",
|
|
|
|
docs: {
|
|
description: "Require or disallow spacing around the `*` in `yield*` expressions",
|
|
recommended: false,
|
|
url: "https://eslint.org/docs/latest/rules/yield-star-spacing"
|
|
},
|
|
|
|
fixable: "whitespace",
|
|
|
|
schema: [
|
|
{
|
|
oneOf: [
|
|
{
|
|
enum: ["before", "after", "both", "neither"]
|
|
},
|
|
{
|
|
type: "object",
|
|
properties: {
|
|
before: { type: "boolean" },
|
|
after: { type: "boolean" }
|
|
},
|
|
additionalProperties: false
|
|
}
|
|
]
|
|
}
|
|
],
|
|
messages: {
|
|
missingBefore: "Missing space before *.",
|
|
missingAfter: "Missing space after *.",
|
|
unexpectedBefore: "Unexpected space before *.",
|
|
unexpectedAfter: "Unexpected space after *."
|
|
}
|
|
},
|
|
|
|
create(context) {
|
|
const sourceCode = context.sourceCode;
|
|
|
|
const mode = (function(option) {
|
|
if (!option || typeof option === "string") {
|
|
return {
|
|
before: { before: true, after: false },
|
|
after: { before: false, after: true },
|
|
both: { before: true, after: true },
|
|
neither: { before: false, after: false }
|
|
}[option || "after"];
|
|
}
|
|
return option;
|
|
}(context.options[0]));
|
|
|
|
/**
|
|
* Checks the spacing between two tokens before or after the star token.
|
|
* @param {string} side Either "before" or "after".
|
|
* @param {Token} leftToken `function` keyword token if side is "before", or
|
|
* star token if side is "after".
|
|
* @param {Token} rightToken Star token if side is "before", or identifier
|
|
* token if side is "after".
|
|
* @returns {void}
|
|
*/
|
|
function checkSpacing(side, leftToken, rightToken) {
|
|
if (sourceCode.isSpaceBetweenTokens(leftToken, rightToken) !== mode[side]) {
|
|
const after = leftToken.value === "*";
|
|
const spaceRequired = mode[side];
|
|
const node = after ? leftToken : rightToken;
|
|
let messageId = "";
|
|
|
|
if (spaceRequired) {
|
|
messageId = side === "before" ? "missingBefore" : "missingAfter";
|
|
} else {
|
|
messageId = side === "before" ? "unexpectedBefore" : "unexpectedAfter";
|
|
}
|
|
|
|
context.report({
|
|
node,
|
|
messageId,
|
|
fix(fixer) {
|
|
if (spaceRequired) {
|
|
if (after) {
|
|
return fixer.insertTextAfter(node, " ");
|
|
}
|
|
return fixer.insertTextBefore(node, " ");
|
|
}
|
|
return fixer.removeRange([leftToken.range[1], rightToken.range[0]]);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Enforces the spacing around the star if node is a yield* expression.
|
|
* @param {ASTNode} node A yield expression node.
|
|
* @returns {void}
|
|
*/
|
|
function checkExpression(node) {
|
|
if (!node.delegate) {
|
|
return;
|
|
}
|
|
|
|
const tokens = sourceCode.getFirstTokens(node, 3);
|
|
const yieldToken = tokens[0];
|
|
const starToken = tokens[1];
|
|
const nextToken = tokens[2];
|
|
|
|
checkSpacing("before", yieldToken, starToken);
|
|
checkSpacing("after", starToken, nextToken);
|
|
}
|
|
|
|
return {
|
|
YieldExpression: checkExpression
|
|
};
|
|
|
|
}
|
|
};
|