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support optional output of names in source maps (#3784)

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This commit is contained in:
Alex Lam S.L
2020-04-17 00:20:48 +01:00
committed by GitHub
parent 0ce71bbec0
commit 83f42ede36
5 changed files with 115 additions and 27 deletions
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26
lib/minify.js
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@@ -129,6 +129,7 @@ function minify(files, options) {
content: null,
filename: null,
includeSources: false,
names: true,
root: null,
url: null,
}, true);
@@ -138,7 +139,7 @@ function minify(files, options) {
warnings.push(warning);
}, options.warnings == "verbose");
if (timings) timings.parse = Date.now();
var source_maps, toplevel;
var toplevel;
if (files instanceof AST_Toplevel) {
toplevel = files;
} else {
@@ -151,19 +152,17 @@ function minify(files, options) {
if (typeof source_map_content == "string" && source_map_content != "inline") {
source_map_content = parse_source_map(source_map_content);
}
source_maps = source_map_content && Object.create(null);
if (source_map_content) options.sourceMap.orig = Object.create(null);
for (var name in files) if (HOP(files, name)) {
options.parse.filename = name;
options.parse.toplevel = toplevel = parse(files[name], options.parse);
if (source_maps) {
if (source_map_content == "inline") {
var inlined_content = read_source_map(name, toplevel);
if (inlined_content) {
source_maps[name] = parse_source_map(inlined_content);
}
} else {
source_maps[name] = source_map_content;
if (source_map_content == "inline") {
var inlined_content = read_source_map(name, toplevel);
if (inlined_content) {
options.sourceMap.orig[name] = parse_source_map(inlined_content);
}
} else if (source_map_content) {
options.sourceMap.orig[name] = source_map_content;
}
}
}
@@ -202,12 +201,7 @@ function minify(files, options) {
}
if (!HOP(options.output, "code") || options.output.code) {
if (options.sourceMap) {
options.output.source_map = SourceMap({
content: options.sourceMap.includeSources,
file: options.sourceMap.filename,
orig: source_maps,
root: options.sourceMap.root
});
options.output.source_map = SourceMap(options.sourceMap);
if (options.sourceMap.includeSources) {
if (files instanceof AST_Toplevel) {
throw new Error("original source content unavailable");