webpack/lib/FunctionModuleTemplatePlugi...

71 lines
2.8 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const ConcatSource = require("webpack-sources").ConcatSource;
const Template = require("./Template");
class FunctionModuleTemplatePlugin {
apply(moduleTemplate) {
moduleTemplate.plugin("render", (moduleSource, module) => {
const source = new ConcatSource();
const args = [module.moduleArgument];
// TODO remove HACK checking type for javascript
if(module.type && module.type.startsWith("javascript")) {
args.push(module.exportsArgument);
if(module.hasDependencies(d => d.requireWebpackRequire !== false)) {
args.push("__webpack_require__");
}
} else if(module.type && module.type.startsWith("json")) {
// no additional arguments needed
} else {
args.push(module.exportsArgument, "__webpack_require__");
}
source.add("/***/ (function(" + args.join(", ") + ") {\n\n");
if(module.buildInfo.strict) source.add("\"use strict\";\n");
source.add(moduleSource);
source.add("\n\n/***/ })");
return source;
});
moduleTemplate.plugin("package", (moduleSource, module) => {
if(moduleTemplate.runtimeTemplate.outputOptions.pathinfo) {
const source = new ConcatSource();
const req = module.readableIdentifier(moduleTemplate.runtimeTemplate.requestShortener);
source.add("/*!****" + req.replace(/./g, "*") + "****!*\\\n");
source.add(" !*** " + req.replace(/\*\//g, "*_/") + " ***!\n");
source.add(" \\****" + req.replace(/./g, "*") + "****/\n");
if(Array.isArray(module.providedExports) && module.providedExports.length === 0)
source.add(Template.toComment("no exports provided") + "\n");
else if(Array.isArray(module.providedExports))
source.add(Template.toComment("exports provided: " + module.providedExports.join(", ")) + "\n");
else if(module.providedExports)
source.add(Template.toComment("no static exports found") + "\n");
if(Array.isArray(module.usedExports) && module.usedExports.length === 0)
source.add(Template.toComment("no exports used") + "\n");
else if(Array.isArray(module.usedExports))
source.add(Template.toComment("exports used: " + module.usedExports.join(", ")) + "\n");
else if(module.usedExports)
source.add(Template.toComment("all exports used") + "\n");
if(module.optimizationBailout) {
module.optimizationBailout.forEach(text => {
if(typeof text === "function") text = text(moduleTemplate.runtimeTemplate.requestShortener);
source.add(Template.toComment(`${text}`) + "\n");
});
}
source.add(moduleSource);
return source;
}
return moduleSource;
});
moduleTemplate.plugin("hash", hash => {
hash.update("FunctionModuleTemplatePlugin");
hash.update("2");
});
}
}
module.exports = FunctionModuleTemplatePlugin;