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suppress false positives with export & import (#5418)

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This commit is contained in:
Alex Lam S.L
2022-04-15 21:27:50 +01:00
committed by GitHub
parent 5ebfa78f56
commit e396912ea2
1 changed files with 6 additions and 3 deletions
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9
test/sandbox.js
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@@ -52,8 +52,11 @@ exports.same_stdout = semver.satisfies(process.version, "0.12") ? function(expec
return typeof expected == typeof actual && strip_func_ids(expected) == strip_func_ids(actual);
};
exports.patch_module_statements = function(code) {
var count = 0, has_default = "", imports = [];
code = code.replace(/\bexport(?:\s*\{[^{}]*}\s*?(?:$|\n|;)|\s+default\b(?:\s*(\(|\{|class\s*\{|class\s+(?=extends\b)|(?:async\s+)?function\s*(?:\*\s*)?\())?|\b)/g, function(match, header) {
var count = 0, has_default = "", imports = [], strict_mode = "";
code = code.replace(/^\s*("|')use strict\1\s*;?/, function(match) {
strict_mode = match;
return "";
}).replace(/\bexport(?:\s*\{[^{}]*}\s*?(?:$|\n|;)|\s+default\b(?:\s*(\(|\{|class\s*\{|class\s+(?=extends\b)|(?:async\s+)?function\s*(?:\*\s*)?\())?|\b)/g, function(match, header) {
if (/^export\s+default/.test(match)) has_default = "var _uglify_export_default_;";
if (!header) return "";
if (header.length == 1) return "0, " + header;
@@ -78,7 +81,7 @@ exports.patch_module_statements = function(code) {
return "";
});
imports.push("");
return has_default + imports.join("\n") + code;
return strict_mode + has_default + imports.join("\n") + code;
};
function is_error(result) {