mirror of https://github.com/webpack/webpack.git
46 lines
1.5 KiB
JavaScript
46 lines
1.5 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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var RawSource = require("webpack-core/lib/RawSource");
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function EvalSourceMapDevToolModuleTemplatePlugin(compilation, sourceMapComment) {
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this.compilation = compilation;
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this.sourceMapComment = sourceMapComment || "//@ sourceMappingURL=[url]";
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}
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module.exports = EvalSourceMapDevToolModuleTemplatePlugin;
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EvalSourceMapDevToolModuleTemplatePlugin.prototype.apply = function(moduleTemplate) {
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var self = this;
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moduleTemplate.plugin("module", function(source, module, chunk) {
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var content = source.source();
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var sourceMap = source.map();
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if(!sourceMap) {
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return source;
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}
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for(var i = 0; i < sourceMap.sources.length; i++) {
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var source = sourceMap.sources[i];
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var str;
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var m = self.compilation.findModule(source);
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if(m)
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str = m.readableIdentifier(this.requestShortener);
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else
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str = this.requestShortener.shorten(source);
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str = str.split("!");
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str = str.pop() + (str.length > 0 ? " " + str.join("!") : "");
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var idx;
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while((idx = sourceMap.sources.indexOf(str)) && (idx >= 0) && (idx < i)) {
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str += "*";
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}
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sourceMap.sources[i] = str;
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}
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sourceMap.sourceRoot = "webpack-module://";
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var footer = self.sourceMapComment.replace(/\[url\]/g, "data:application/json;base64," + new Buffer(JSON.stringify(sourceMap)).toString("base64"));
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return new RawSource("eval(" + JSON.stringify(content + footer) + ");" );
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});
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moduleTemplate.plugin("hash", function(hash) {
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hash.update("eval-source-map");
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hash.update("1");
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});
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};
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