95 lines
2.8 KiB
Plaintext
95 lines
2.8 KiB
Plaintext
'use strict';
|
|
|
|
var utils = require('../utils.js');
|
|
require('eslint-visitor-keys');
|
|
require('espree');
|
|
require('estraverse');
|
|
|
|
const PRESERVE_PREFIX_SPACE_BEFORE_GENERIC = /* @__PURE__ */ new Set([
|
|
"TSCallSignatureDeclaration",
|
|
"ArrowFunctionExpression",
|
|
"TSFunctionType",
|
|
"FunctionExpression"
|
|
]);
|
|
var typeGenericSpacing = utils.createRule({
|
|
name: "type-generic-spacing",
|
|
package: "plus",
|
|
meta: {
|
|
type: "layout",
|
|
docs: {
|
|
description: "Enforces consistent spacing inside TypeScript type generics"
|
|
},
|
|
fixable: "whitespace",
|
|
schema: [],
|
|
messages: {
|
|
genericSpacingMismatch: "Generic spaces mismatch"
|
|
}
|
|
},
|
|
defaultOptions: [],
|
|
create: (context) => {
|
|
const sourceCode = context.sourceCode;
|
|
return {
|
|
TSTypeParameterDeclaration: (node) => {
|
|
if (!PRESERVE_PREFIX_SPACE_BEFORE_GENERIC.has(node.parent.type)) {
|
|
const pre = sourceCode.text.slice(0, node.range[0]);
|
|
const preSpace = pre.match(/(\s+)$/)?.[0];
|
|
if (preSpace && preSpace.length) {
|
|
context.report({
|
|
node,
|
|
messageId: "genericSpacingMismatch",
|
|
*fix(fixer) {
|
|
yield fixer.replaceTextRange([node.range[0] - preSpace.length, node.range[0]], "");
|
|
}
|
|
});
|
|
}
|
|
}
|
|
const params = node.params;
|
|
for (let i = 1; i < params.length; i++) {
|
|
const prev = params[i - 1];
|
|
const current = params[i];
|
|
const from = prev.range[1];
|
|
const to = current.range[0];
|
|
const span = sourceCode.text.slice(from, to);
|
|
if (span !== ", " && !span.match(/,\s*\n/)) {
|
|
context.report({
|
|
*fix(fixer) {
|
|
yield fixer.replaceTextRange([from, to], ", ");
|
|
},
|
|
loc: {
|
|
start: prev.loc.end,
|
|
end: current.loc.start
|
|
},
|
|
messageId: "genericSpacingMismatch",
|
|
node
|
|
});
|
|
}
|
|
}
|
|
},
|
|
// add space around = in type Foo<T = true>
|
|
TSTypeParameter: (node) => {
|
|
if (!node.default)
|
|
return;
|
|
const endNode = node.constraint || node.name;
|
|
const from = endNode.range[1];
|
|
const to = node.default.range[0];
|
|
const span = sourceCode.text.slice(from, to);
|
|
if (!span.match(/(?:^|[^ ]) = (?:$|[^ ])/)) {
|
|
context.report({
|
|
*fix(fixer) {
|
|
yield fixer.replaceTextRange([from, to], span.replace(/\s*=\s*/, " = "));
|
|
},
|
|
loc: {
|
|
start: endNode.loc.end,
|
|
end: node.default.loc.start
|
|
},
|
|
messageId: "genericSpacingMismatch",
|
|
node
|
|
});
|
|
}
|
|
}
|
|
};
|
|
}
|
|
});
|
|
|
|
module.exports = typeGenericSpacing;
|