webpack/lib/dependencies/AMDRequireDependency.js

Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jade, coffee, css, less, ... and your custom stuff.

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
var NullDependency = require("./NullDependency");

function AMDRequireDependency(block) {
	NullDependency.call(this);
	this.Class = AMDRequireDependency;
	this.block = block;
}
module.exports = AMDRequireDependency;

AMDRequireDependency.prototype = Object.create(NullDependency.prototype);

AMDRequireDependency.Template = function AMDRequireDependencyTemplate() {};

AMDRequireDependency.Template.prototype.apply = function(dep, source, outputOptions, requestShortener) {
	var depBlock = dep.block;
	var chunkId = depBlock.chunk && !depBlock.chunk.entry && depBlock.chunk.id;
	if(depBlock.arrayRange && !depBlock.functionRange) {
		if(typeof chunkId === "number") {
			source.replace(depBlock.outerRange[0], depBlock.arrayRange[0]-1,
				"__webpack_require__.e/* require */(" + chunkId + asComment(depBlock.chunkReason) + ", function(__webpack_require__) {");
			source.replace(depBlock.arrayRange[1], depBlock.outerRange[1]-1, ";})");
		} else {
			source.replace(depBlock.outerRange[0], depBlock.arrayRange[0]-1,
				"!/* require */(" + asComment(depBlock.chunkReason));
			source.replace(depBlock.arrayRange[1], depBlock.outerRange[1]-1, ")");
		}
	} else if(!depBlock.arrayRange && depBlock.functionRange) {
		if(typeof chunkId === "number") {
			source.replace(depBlock.outerRange[0], depBlock.functionRange[0]-1,
				"__webpack_require__.e/* require */(" + chunkId + asComment(depBlock.chunkReason) + ", function(__webpack_require__) {(");
			source.replace(depBlock.functionRange[1], depBlock.outerRange[1]-1, ".call(exports, __webpack_require__, exports, module));})");
		} else {
			source.replace(depBlock.outerRange[0], depBlock.functionRange[0]-1,
				"!/* require */(" + asComment(depBlock.chunkReason));
			source.replace(depBlock.functionRange[1], depBlock.outerRange[1]-1, ".call(exports, __webpack_require__, exports, module))");
		}
	} else if(depBlock.arrayRange && depBlock.functionRange) {
		if(typeof chunkId === "number") {
			source.replace(depBlock.outerRange[0], depBlock.arrayRange[0]-1,
				"__webpack_require__.e/* require */(" + chunkId + asComment(depBlock.chunkReason) + ", function(__webpack_require__) { ");
			source.insert(depBlock.arrayRange[0] + 0.9, "var __WEBPACK_AMD_REQUIRE_ARRAY__ = ");
			source.replace(depBlock.arrayRange[1], depBlock.functionRange[0]-1, "; (");
			source.insert(depBlock.functionRange[1], ".apply(null, __WEBPACK_AMD_REQUIRE_ARRAY__));");
			source.replace(depBlock.functionRange[1], depBlock.outerRange[1]-1, "})");
		} else {
			source.replace(depBlock.outerRange[0], depBlock.arrayRange[0]-1,
				"!/* require */(" + asComment(depBlock.chunkReason) + "function() { ");
			source.insert(depBlock.arrayRange[0] + 0.9, "var __WEBPACK_AMD_REQUIRE_ARRAY__ = ");
			source.replace(depBlock.arrayRange[1], depBlock.functionRange[0]-1, "; (");
			source.insert(depBlock.functionRange[1], ".apply(null, __WEBPACK_AMD_REQUIRE_ARRAY__));");
			source.replace(depBlock.functionRange[1], depBlock.outerRange[1]-1, "}())");
		}
	}
};

function asComment(str) {
	if(!str) return "";
	return "/* " + str + " */";
}