/*
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
Author Tobias Koppers @sokra
|
*/
|
"use strict";
|
|
const { RawSource } = require("webpack-sources");
|
const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
|
const { absolutify } = require("./util/identifier");
|
|
const cache = new WeakMap();
|
|
class EvalSourceMapDevToolModuleTemplatePlugin {
|
constructor(compilation, options) {
|
this.compilation = compilation;
|
this.sourceMapComment =
|
options.append || "//# sourceURL=[module]\n//# sourceMappingURL=[url]";
|
this.moduleFilenameTemplate =
|
options.moduleFilenameTemplate ||
|
"webpack://[namespace]/[resource-path]?[hash]";
|
this.namespace = options.namespace || "";
|
this.options = options;
|
}
|
|
apply(moduleTemplate) {
|
const self = this;
|
const options = this.options;
|
const matchModule = ModuleFilenameHelpers.matchObject.bind(
|
ModuleFilenameHelpers,
|
options
|
);
|
moduleTemplate.hooks.module.tap(
|
"EvalSourceMapDevToolModuleTemplatePlugin",
|
(source, module) => {
|
const cachedSource = cache.get(source);
|
if (cachedSource !== undefined) {
|
return cachedSource;
|
}
|
|
if (!matchModule(module.resource)) {
|
return source;
|
}
|
|
/** @type {{ [key: string]: TODO; }} */
|
let sourceMap;
|
let content;
|
if (source.sourceAndMap) {
|
const sourceAndMap = source.sourceAndMap(options);
|
sourceMap = sourceAndMap.map;
|
content = sourceAndMap.source;
|
} else {
|
sourceMap = source.map(options);
|
content = source.source();
|
}
|
if (!sourceMap) {
|
return source;
|
}
|
|
// Clone (flat) the sourcemap to ensure that the mutations below do not persist.
|
sourceMap = Object.keys(sourceMap).reduce((obj, key) => {
|
obj[key] = sourceMap[key];
|
return obj;
|
}, {});
|
const context = this.compilation.compiler.options.context;
|
const modules = sourceMap.sources.map(source => {
|
if (source.startsWith("webpack://")) {
|
source = absolutify(context, source.slice(10));
|
}
|
const module = self.compilation.findModule(source);
|
return module || source;
|
});
|
let moduleFilenames = modules.map(module => {
|
return ModuleFilenameHelpers.createFilename(
|
module,
|
{
|
moduleFilenameTemplate: self.moduleFilenameTemplate,
|
namespace: self.namespace
|
},
|
moduleTemplate.runtimeTemplate.requestShortener
|
);
|
});
|
moduleFilenames = ModuleFilenameHelpers.replaceDuplicates(
|
moduleFilenames,
|
(filename, i, n) => {
|
for (let j = 0; j < n; j++) filename += "*";
|
return filename;
|
}
|
);
|
sourceMap.sources = moduleFilenames;
|
sourceMap.sourceRoot = options.sourceRoot || "";
|
sourceMap.file = `${module.id}.js`;
|
|
const footer =
|
self.sourceMapComment.replace(
|
/\[url\]/g,
|
`data:application/json;charset=utf-8;base64,${Buffer.from(
|
JSON.stringify(sourceMap),
|
"utf8"
|
).toString("base64")}`
|
) + `\n//# sourceURL=webpack-internal:///${module.id}\n`; // workaround for chrome bug
|
|
const evalSource = new RawSource(
|
`eval(${JSON.stringify(content + footer)});`
|
);
|
|
cache.set(source, evalSource);
|
|
return evalSource;
|
}
|
);
|
moduleTemplate.hooks.hash.tap(
|
"EvalSourceMapDevToolModuleTemplatePlugin",
|
hash => {
|
hash.update("eval-source-map");
|
hash.update("2");
|
}
|
);
|
}
|
}
|
module.exports = EvalSourceMapDevToolModuleTemplatePlugin;
|
