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improve AST tests & tools (#4873)

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This commit is contained in:
Alex Lam S.L
2021-04-27 01:53:45 +01:00
committed by GitHub
parent acf951a5bc
commit 97bd56b7e8
7 changed files with 136 additions and 74 deletions
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22
lib/minify.js
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@@ -204,27 +204,29 @@ function minify(files, options) {
if (options.mangle && options.mangle.properties) mangle_properties(toplevel, options.mangle.properties);
if (timings) timings.output = Date.now();
var result = {};
if (options.output.ast) {
result.ast = toplevel;
}
if (!HOP(options.output, "code") || options.output.code) {
var output = defaults(options.output, {
ast: false,
code: true,
});
if (output.ast) result.ast = toplevel;
if (output.code) {
if (options.sourceMap) {
options.output.source_map = SourceMap(options.sourceMap);
output.source_map = SourceMap(options.sourceMap);
if (options.sourceMap.includeSources) {
if (files instanceof AST_Toplevel) {
throw new Error("original source content unavailable");
} else for (var name in files) if (HOP(files, name)) {
options.output.source_map.setSourceContent(name, files[name]);
output.source_map.setSourceContent(name, files[name]);
}
}
}
delete options.output.ast;
delete options.output.code;
var stream = OutputStream(options.output);
delete output.ast;
delete output.code;
var stream = OutputStream(output);
toplevel.print(stream);
result.code = stream.get();
if (options.sourceMap) {
result.map = options.output.source_map.toString();
result.map = output.source_map.toString();
var url = options.sourceMap.url;
if (url) {
result.code = result.code.replace(/\n\/\/# sourceMappingURL=\S+\s*$/, "");