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support limited ufuzz testing for import (#4707)

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Alex Lam S.L
2021-02-28 18:27:41 +00:00
committed by GitHub
parent c549ee89b9
commit 81254f67e4
4 changed files with 45 additions and 11 deletions
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20
test/sandbox.js
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@@ -49,13 +49,27 @@ exports.same_stdout = semver.satisfies(process.version, "0.12") ? function(expec
} : function(expected, actual) {
return typeof expected == typeof actual && strip_func_ids(expected) == strip_func_ids(actual);
};
exports.strip_exports = function(code) {
var count = 0;
return 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) {
exports.patch_module_statements = function(code) {
var count = 0, 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) {
if (!header) return "";
if (header.length == 1) return "0, " + header;
return header.slice(0, -1) + " _" + ++count + header.slice(-1);
}).replace(/\bimport\b(?:\s*([^('"]+)\bfrom\b)?\s*(['"]).*?\2(?:$|\n|;)/g, function(match, symbols) {
if (symbols) {
if (!/^[{*]/.test(symbols)) symbols = "default:" + symbols;
symbols = symbols.replace(/[{}]/g, "").trim().replace(/\s*,\s*/g, ",");
symbols = symbols.replace(/\*/, '"*"').replace(/\bas\s+(?!$|,|as\s)/g, ":");
imports.push([
"var {",
symbols,
"} = new Proxy(Object.create(null), { get(_, value) { return { value }; } });",
].join(""));
}
return "";
});
imports.push("");
return imports.join("\n") + code;
};
function is_error(result) {