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5 changes: 5 additions & 0 deletions .changes/eslint-v10-support.md
Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"eslint-plugin-prefer-let": minor
---

Support ESLint v10
2 changes: 1 addition & 1 deletion packages/eslint-plugin-prefer-let/lib/rules/prefer-let.js
Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@ module.exports = {
},

create: function(context) {
let sourceCode = context.getSourceCode();
let sourceCode = context.sourceCode ?? context.getSourceCode();

//----------------------------------------------------------------------
// Helpers
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2 changes: 1 addition & 1 deletion packages/eslint-plugin-prefer-let/package.json
Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@
},
"devDependencies": {
"@typescript-eslint/parser": "^8.0.0",
"eslint": "^9.3.0",
"eslint": "^10.0.0",
"globals": "^15.3.0",
"mocha": "^9.1.3"
},
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18 changes: 6 additions & 12 deletions packages/eslint-plugin-prefer-let/tests/lib/rules/prefer-let.js
Original file line number Diff line number Diff line change
Expand Up @@ -72,37 +72,32 @@ ruleTester.run("prefer-let", rule, {
code: "function y() { const x = 'y'; return x; }",
output: "function y() { let x = 'y'; return x; }",
errors: [{
message: "`const` declaration outside top-level scope",
type: "VariableDeclaration"
message: "`const` declaration outside top-level scope"
}]
},
{
code: "function y() { const {x, y} = {x: 'x', y: 'y'}}",
output: "function y() { let {x, y} = {x: 'x', y: 'y'}}",
errors: [{
message: "`const` declaration outside top-level scope",
type: "VariableDeclaration"
message: "`const` declaration outside top-level scope"
}]
},
{
code: "var x = 'y';",
errors: [{
message: "prefer `let` over `var` to declare value bindings",
type: "VariableDeclaration"
message: "prefer `let` over `var` to declare value bindings"
}]
},
{
code: "function y() { var x = 'y'};",
errors: [{
message: "prefer `let` over `var` to declare value bindings",
type: "VariableDeclaration"
message: "prefer `let` over `var` to declare value bindings"
}]
},
{
code: "function y() { var { x, y } = {}; }",
errors: [{
message: "prefer `let` over `var` to declare value bindings",
type: "VariableDeclaration"
message: "prefer `let` over `var` to declare value bindings"
}]
},
{
Expand All @@ -115,8 +110,7 @@ ruleTester.run("prefer-let", rule, {
code: "function y() { const x = 'y'; return x; }",
output: "function y() { let x = 'y'; return x; }",
errors: [{
message: "`const` declaration outside top-level scope",
type: "VariableDeclaration"
message: "`const` declaration outside top-level scope"
}]
},
]
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