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Allow duplicate regexp capture group names in different branches
FEATURE: Support ES2025 duplicate capture group names in regular expressions. Issue #1290 Issue #1291
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Original file line number | Diff line number | Diff line change |
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@@ -1,3 +1,2 @@ | ||
decorators | ||
import-assertions | ||
regexp-duplicate-named-groups |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,18 @@ | ||
if (typeof exports !== "undefined") { | ||
var test = require("./driver.js").test | ||
var testFail = require("./driver.js").testFail | ||
} | ||
|
||
test("/(?<x>a)|(?<x>b)/", {}, {ecmaVersion: 2025}) | ||
testFail("/(?<x>a)|(?<x>b)/", "Invalid regular expression: /(?<x>a)|(?<x>b)/: Duplicate capture group name (1:1)", {ecmaVersion: 2024 }) | ||
testFail("/(?<x>a)(?<x>b)/", "Invalid regular expression: /(?<x>a)(?<x>b)/: Duplicate capture group name (1:1)", {ecmaVersion: 2025}) | ||
test("/(?:(?<x>a)|(?<x>b))\\k<x>/", {}, {ecmaVersion: 2025}) | ||
testFail("/(?:(?<x>a)|(?<x>b))\\k<x>/", "Invalid regular expression: /(?:(?<x>a)|(?<x>b))\\k<x>/: Duplicate capture group name (1:1)", {ecmaVersion: 2024 }) | ||
testFail("/(?:(?<x>a)(?<x>b))\\k<x>/", "Invalid regular expression: /(?:(?<x>a)(?<x>b))\\k<x>/: Duplicate capture group name (1:1)", {ecmaVersion: 2025}) | ||
test("/(?<y>a)(?<x>a)|(?<x>b)(?<y>b)/", {}, {ecmaVersion: 2025}) | ||
test("/(?<x>a)|(?<x>b)|(?<x>c)/", {}, {ecmaVersion: 2025}) | ||
test("/(?<x>a)|\\k<x>/", {}, {ecmaVersion: 2025}) | ||
testFail("/(?<x>a)|(?<x>b)(?<x>c)/", "Invalid regular expression: /(?<x>a)|(?<x>b)(?<x>c)/: Duplicate capture group name (1:1)", {ecmaVersion: 2025}) | ||
testFail("/(?:(?<x>a)|(?<x>b))(?<x>c)/", "Invalid regular expression: /(?:(?<x>a)|(?<x>b))(?<x>c)/: Duplicate capture group name (1:1)", {ecmaVersion: 2025}) | ||
testFail("/(?<x>a)(?:(?<x>b)|(?<x>c))/", "Invalid regular expression: /(?<x>a)(?:(?<x>b)|(?<x>c))/: Duplicate capture group name (1:1)", {ecmaVersion: 2025}) | ||
testFail("/(?:(?:(?<x>a)|(?<x>b))|(?:))(?<x>c)/", "Invalid regular expression: /(?:(?:(?<x>a)|(?<x>b))|(?:))(?<x>c)/: Duplicate capture group name (1:1)", {ecmaVersion: 2025}) |