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| /*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
var path = require("path");
var RequestShortener = require("./RequestShortener");
var Template = require("./Template");
var ConcatSource = require("webpack-core/lib/ConcatSource");
var RawSource = require("webpack-core/lib/RawSource");
var ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
function SourceMapDevToolPlugin(sourceMapFilename, sourceMappingURLComment, moduleFilenameTemplate, fallbackModuleFilenameTemplate) {
this.sourceMapFilename = sourceMapFilename;
this.sourceMappingURLComment = sourceMappingURLComment || "\n//# sourceMappingURL=[url]";
this.moduleFilenameTemplate = moduleFilenameTemplate || "webpack:///[resourcePath]";
this.fallbackModuleFilenameTemplate = fallbackModuleFilenameTemplate || "webpack:///[resourcePath]?[hash]";
}
module.exports = SourceMapDevToolPlugin;
SourceMapDevToolPlugin.prototype.apply = function(compiler) {
var sourceMapFilename = this.sourceMapFilename;
var sourceMappingURLComment = this.sourceMappingURLComment;
var moduleFilenameTemplate = this.moduleFilenameTemplate;
var fallbackModuleFilenameTemplate = this.fallbackModuleFilenameTemplate;
var requestShortener = new RequestShortener(compiler.context);
compiler.plugin("compilation", function(compilation) {
compilation.plugin("build-module", function(module) {
module.useSourceMap = true;
});
compilation.plugin("after-optimize-chunk-assets", function(chunks) {
var allModules = [];
var allModuleFilenames = [];
var tasks = [];
chunks.forEach(function(chunk) {
chunk.files.slice().map(function(file) {
var asset = this.assets[file];
Iif(asset.__SourceMapDevTool_Data) {
var data = asset.__SourceMapDevTool_Data;
for(var file in data) {
this.assets[file] = data[file];
}
return;
}
var sourceMap = asset.map();
Eif(sourceMap) {
return {
chunk: chunk,
file: file,
asset: asset,
sourceMap: sourceMap
}
}
}, this).filter(Boolean).map(function(task) {
var modules = task.sourceMap.sources.map(function(source) {
var module = compilation.findModule(source);
return module || source;
});
var moduleFilenames = modules.map(function(module) {
return ModuleFilenameHelpers.createFilename(module, moduleFilenameTemplate, requestShortener);
});
task.modules = modules;
task.moduleFilenames = moduleFilenames;
return task;
}, this).forEach(function(task) {
allModules = allModules.concat(task.modules);
allModuleFilenames = allModuleFilenames.concat(task.moduleFilenames);
tasks.push(task);
}, this);
}, this);
allModuleFilenames = ModuleFilenameHelpers.replaceDuplicates(allModuleFilenames, function(filename, i) {
return ModuleFilenameHelpers.createFilename(allModules[i], fallbackModuleFilenameTemplate, requestShortener);
}, function(ai, bi) {
var a = allModules[ai];
var b = allModules[bi];
a = typeof a === "string" ? a : a.identifier();
b = typeof b === "string" ? b : b.identifier();
return a.length - b.length;
});
allModuleFilenames = ModuleFilenameHelpers.replaceDuplicates(allModuleFilenames, function(filename, i, n) {
for(var j = 0; j < n; j++)
filename += "*";
return filename;
});
tasks.forEach(function(task) {
task.moduleFilenames = allModuleFilenames.slice(0, task.moduleFilenames.length);
allModuleFilenames = allModuleFilenames.slice(task.moduleFilenames.length);
}, this);
tasks.forEach(function(task) {
var chunk = task.chunk;
var file = task.file;
var asset = task.asset;
var sourceMap = task.sourceMap;
var moduleFilenames = task.moduleFilenames;
var modules = task.modules;
sourceMap.sources = moduleFilenames;
Eif(sourceMap.sourcesContent) {
sourceMap.sourcesContent = sourceMap.sourcesContent.map(function(content, i) {
return content + "\n\n\n" + ModuleFilenameHelpers.createFooter(modules[i], requestShortener);
});
}
sourceMap.sourceRoot = "";
sourceMap.file = file;
asset.__SourceMapDevTool_Data = {};
Eif(sourceMapFilename) {
var filename = file, query = "";
var idx = filename.indexOf("?");
Iif(idx >= 0) {
query = filename.substr(idx);
filename = filename.substr(0, idx);
}
var sourceMapFile = sourceMapFilename
.replace(Template.REGEXP_FILE, filename)
.replace(Template.REGEXP_QUERY, query)
.replace(Template.REGEXP_FILEBASE, basename(filename))
.replace(Template.REGEXP_HASH, this.hash)
.replace(Template.REGEXP_ID, chunk.id);
var sourceMapUrl = path.relative(path.dirname(file), sourceMapFile).replace(/\\/g, "/");
asset.__SourceMapDevTool_Data[file] = this.assets[file] = new ConcatSource(asset, sourceMappingURLComment.replace(/\[url\]/g, sourceMapUrl));
asset.__SourceMapDevTool_Data[sourceMapFile] = this.assets[sourceMapFile] = new RawSource(JSON.stringify(sourceMap));
chunk.files.push(sourceMapFile);
} else {
asset.__SourceMapDevTool_Data[file] = this.assets[file] = new ConcatSource(asset, sourceMappingURLComment.replace(/\[url\]/g, "data:application/json;base64," + new Buffer(JSON.stringify(sourceMap)).toString("base64")));
}
}, this);
});
});
};
function basename(name) {
if(name.indexOf("/") < 0) return name;
return name.substr(name.lastIndexOf("/")+1);
}
|