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sokrasokra
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cheapMode for SourceMapPlugin
1 parent c20e1a4 commit a547d90

1 file changed

Lines changed: 37 additions & 10 deletions

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‎lib/SourceMapDevToolPlugin.js‎

Lines changed: 37 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -7,13 +7,22 @@ var RequestShortener = require("./RequestShortener");
77
var Template = require("./Template");
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var ConcatSource = require("webpack-core/lib/ConcatSource");
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var RawSource = require("webpack-core/lib/RawSource");
10+
var CheapOriginalSource = require("webpack-core/lib/CheapOriginalSource")
1011
var ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
1112

12-
function SourceMapDevToolPlugin(sourceMapFilename, sourceMappingURLComment, moduleFilenameTemplate, fallbackModuleFilenameTemplate) {
13-
this.sourceMapFilename = sourceMapFilename;
14-
this.sourceMappingURLComment = sourceMappingURLComment === false ? false : sourceMappingURLComment || "\n//# sourceMappingURL=[url]";
15-
this.moduleFilenameTemplate = moduleFilenameTemplate || "webpack:///[resourcePath]";
16-
this.fallbackModuleFilenameTemplate = fallbackModuleFilenameTemplate || "webpack:///[resourcePath]?[hash]";
13+
function SourceMapDevToolPlugin(options, sourceMappingURLComment, moduleFilenameTemplate, fallbackModuleFilenameTemplate) {
14+
if(typeof options !== "object") {
15+
this.sourceMapFilename = options;
16+
this.sourceMappingURLComment = sourceMappingURLComment === false ? false : sourceMappingURLComment || "\n//# sourceMappingURL=[url]";
17+
this.moduleFilenameTemplate = moduleFilenameTemplate || "webpack:///[resourcePath]";
18+
this.fallbackModuleFilenameTemplate = fallbackModuleFilenameTemplate || "webpack:///[resourcePath]?[hash]";
19+
} else {
20+
this.sourceMapFilename = options.filename;
21+
this.sourceMappingURLComment = options.append === false ? false : options.append || "\n//# sourceMappingURL=[url]";
22+
this.moduleFilenameTemplate = options.moduleFilenameTemplate || "webpack:///[resourcePath]";
23+
this.fallbackModuleFilenameTemplate = options.fallbackModuleFilenameTemplate || "webpack:///[resourcePath]?[hash]";
24+
this.cheapMode = options.cheapMode;
25+
}
1726
}
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module.exports = SourceMapDevToolPlugin;
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SourceMapDevToolPlugin.prototype.apply = function(compiler) {
@@ -22,10 +31,18 @@ SourceMapDevToolPlugin.prototype.apply = function(compiler) {
2231
var moduleFilenameTemplate = this.moduleFilenameTemplate;
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var fallbackModuleFilenameTemplate = this.fallbackModuleFilenameTemplate;
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var requestShortener = new RequestShortener(compiler.context);
34+
var cheapMode = this.cheapMode;
2535
compiler.plugin("compilation", function(compilation) {
26-
compilation.plugin("build-module", function(module) {
27-
module.useSourceMap = true;
28-
});
36+
if(cheapMode) {
37+
compilation.moduleTemplate.plugin("module", function(source, module) {
38+
var str = source.source();
39+
return new CheapOriginalSource(str, module.resource);
40+
});
41+
} else {
42+
compilation.plugin("build-module", function(module) {
43+
module.useSourceMap = true;
44+
});
45+
}
2946
compilation.plugin("after-optimize-chunk-assets", function(chunks) {
3047
var allModules = [];
3148
var allModuleFilenames = [];
@@ -94,10 +111,12 @@ SourceMapDevToolPlugin.prototype.apply = function(compiler) {
94111
var moduleFilenames = task.moduleFilenames;
95112
var modules = task.modules;
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sourceMap.sources = moduleFilenames;
97-
if(sourceMap.sourcesContent) {
114+
if(sourceMap.sourcesContent && !cheapMode) {
98115
sourceMap.sourcesContent = sourceMap.sourcesContent.map(function(content, i) {
99116
return content + "\n\n\n" + ModuleFilenameHelpers.createFooter(modules[i], requestShortener);
100117
});
118+
} else {
119+
sourceMap.sourcesContent = undefined;
101120
}
102121
sourceMap.sourceRoot = "";
103122
sourceMap.file = file;
@@ -126,7 +145,15 @@ SourceMapDevToolPlugin.prototype.apply = function(compiler) {
126145
asset.__SourceMapDevTool_Data[sourceMapFile] = this.assets[sourceMapFile] = new RawSource(JSON.stringify(sourceMap));
127146
chunk.files.push(sourceMapFile);
128147
} else {
129-
asset.__SourceMapDevTool_Data[file] = this.assets[file] = new ConcatSource(asset, currentSourceMappingURLComment.replace(/\[url\]/g, "data:application/json;base64," + new Buffer(JSON.stringify(sourceMap)).toString("base64")));
148+
asset.__SourceMapDevTool_Data[file] = this.assets[file] = new ConcatSource(asset, currentSourceMappingURLComment
149+
.replace(/\[map\]/g, function() {
150+
return JSON.stringify(sourceMap);
151+
})
152+
.replace(/\[url\]/g, function() {
153+
return "data:application/json;base64," +
154+
new Buffer(JSON.stringify(sourceMap)).toString("base64");
155+
})
156+
);
130157
}
131158
}, this);
132159
});

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