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implement UGLIFY_BUG_REPORT (#4516)

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This commit is contained in:
Alex Lam S.L
2021-01-07 08:53:29 +00:00
committed by GitHub
parent 25321df959
commit 6c419bc083
4 changed files with 81 additions and 1 deletions
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31
tools/node.js
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@@ -23,6 +23,37 @@ new Function("exports", function() {
return code.join("\n\n");
}())(exports);
function to_comment(value) {
if (typeof value != "string") value = JSON.stringify(value, function(key, value) {
return typeof value == "function" ? "<[ " + value + " ]>" : value;
}, 2);
return "// " + value.replace(/\n/g, "\n// ");
}
if (+process.env["UGLIFY_BUG_REPORT"]) exports.minify = function(files, options) {
if (typeof options == "undefined") options = "<<undefined>>";
var code = [
"// UGLIFY_BUG_REPORT",
to_comment(options),
];
if (typeof files == "string") {
code.push("");
code.push("//-------------------------------------------------------------")
code.push("// INPUT CODE", files);
} else for (var name in files) {
code.push("");
code.push("//-------------------------------------------------------------")
code.push(to_comment(name), files[name]);
}
if (options.sourceMap && options.sourceMap.url) {
code.push("");
code.push("//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbXSwibmFtZXMiOltdLCJtYXBwaW5ncyI6IiJ9");
}
var result = { code: code.join("\n") };
if (options.sourceMap) result.map = '{"version":3,"sources":[],"names":[],"mappings":""}';
return result;
};
function describe_ast() {
var out = OutputStream({ beautify: true });
function doitem(ctor) {