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added named chunks

This commit is contained in:
Tobias Koppers 2012-05-17 12:45:48 +02:00
parent f2d412cac0
commit e48e2a2c12
6 changed files with 58 additions and 35 deletions
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38
lib/buildDeps.js
View File

@ -33,7 +33,7 @@ module.exports = function buildDeps(context, mainModule, options, callback) {
modulesById: {},
chunks: {},
nextModuleId: 0,
nextChunkId: 0,
nextChunkId: 1,
chunkModules: {} // used by checkObsolete
}
@ -58,6 +58,7 @@ module.exports = function buildDeps(context, mainModule, options, callback) {
options.events.emit("task-end", "build modules");
// split the modules into chunks
depTree.modulesById[mainModuleId].name = "main";
addChunk(depTree, depTree.modulesById[mainModuleId], options);
// rename the module ids after a defined sheme
@ -424,13 +425,23 @@ function createRealIds(depTree, options) {
// add a chunk
function addChunk(depTree, chunkStartpoint, options) {
var chunk = {
id: depTree.nextChunkId++,
modules: {},
context: chunkStartpoint,
usages: 1
};
depTree.chunks[chunk.id] = chunk;
var chunk;
if(chunkStartpoint && chunkStartpoint.name) {
chunk = depTree.chunks[chunkStartpoint.name];
if(chunk) {
chunk.usages++;
chunk.contexts.push(chunkStartpoint);
}
}
if(!chunk) {
chunk = {
id: (chunkStartpoint && chunkStartpoint.name) || depTree.nextChunkId++,
modules: {},
contexts: chunkStartpoint ? [chunkStartpoint] : [],
usages: 1
};
depTree.chunks[chunk.id] = chunk;
}
if(chunkStartpoint) {
chunkStartpoint.chunkId = chunk.id;
addModuleToChunk(depTree, chunkStartpoint, chunk.id, options);
@ -498,7 +509,7 @@ function removeChunkIfEmpty(depTree, chunk) {
}
}
if(!hasModules) {
chunk.context.chunkId = null;
chunk.contexts.forEach(function(c) { c.chunkId = null; });
chunk.empty = true;
}
}
@ -515,8 +526,9 @@ function checkObsolete(depTree, chunk) {
var moduleString = modules.join(" ");
if(depTree.chunkModules[moduleString]) {
chunk.equals = depTree.chunkModules[moduleString];
if(chunk.context)
chunk.context.chunkId = chunk.equals;
chunk.contexts.forEach(function(c) {
c.chunkId = chunk.equals;
});
} else
depTree.chunkModules[moduleString] = chunk.id;
}
@ -525,13 +537,13 @@ function checkObsolete(depTree, chunk) {
function createRealChunkIds(depTree, options) {
var sortedChunks = [];
for(var id in depTree.chunks) {
if(""+id === "0") continue;
if(id === "main") continue;
var chunk = depTree.chunks[id];
if(chunk.empty) continue;
if(chunk.equals !== undefined) continue;
sortedChunks.push(chunk);
}
depTree.chunks["0"].realId = 0;
depTree.chunks["main"].realId = 0;
sortedChunks.sort(function(a, b) {
if(a.usages < b.usages)
return -1;

4
lib/parse.js
View File

@ -274,6 +274,10 @@ function walkExpression(context, expression) {
expression.arguments[1].body.range[0]+1,
expression.arguments[1].body.range[1]-1
];
if(expression.arguments[2]) {
newContext.name = parseString(expression.arguments[2]);
newContext.nameRange = expression.arguments[2].range;
}
context.asyncs = context.asyncs || [];
context.asyncs.push(newContext);
context = newContext;

6
lib/webpack.js
View File

@ -214,7 +214,7 @@ function webpack(context, moduleName, options, callback) {
// all ids of the chunks, in desc order
var chunkIds = Object.keys(depTree.chunks);
chunkIds.sort(function(a,b) {
return parseInt(depTree.chunks[b].realId, 10) - parseInt(depTree.chunks[a].realId, 10);
return depTree.chunks[b].realId - depTree.chunks[a].realId;
});
// the template used
@ -398,8 +398,8 @@ function webpack(context, moduleName, options, callback) {
buffer.modulesIncludingDuplicates = sum;
buffer.modulesPerChunk = Math.round(sum / chunksCount*10)/10; // DEPRECATED: useless info
sum = 0;
for(var moduleId in depTree.chunks[0].modules) {
if(depTree.chunks[0].modules[moduleId] === "include")
for(var moduleId in depTree.chunks.main.modules) {
if(depTree.chunks.main.modules[moduleId] === "include")
sum++;
}
buffer.modulesFirstChunk = sum;

7
lib/writeSource.js
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@ -108,6 +108,13 @@ module.exports = function(module, options, toRealId, toRealChuckId) {
value: ((asyncItem.chunkId && toRealChuckId(asyncItem.chunkId) || "0") + "")
});
}
if(asyncItem.nameRange) {
replaces.push({
from: asyncItem.nameRange[0],
to: asyncItem.nameRange[1],
value: "/* "+ asyncItem.name.replace(/\/\*/, "* nice try /") + " */0"
});
}
if(asyncItem.blockRange) {
genReplacesFreeVars(asyncItem.blockRange, freeVars);
}

2
package.json
View File

@ -1,6 +1,6 @@
{
"name": "webpack",
"version": "0.4.1",
"version": "0.4.2",
"author": "Tobias Koppers @sokra",
"description": "Packs CommonJs Modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loading of js, json, jade, coffee, css, ... out of the box and more with custom loaders.",
"dependencies": {

36
test/buildDeps_test.js
View File

@ -21,9 +21,9 @@ vows.describe("buildDeps").addBatch({
},
"one chunk": function(depTree) {
assert.deepEqual(Object.keys(depTree.chunks), ["0"]);
assert.deepEqual(Object.keys(depTree.chunks), ["main"]);
for(var i in depTree.modulesById) {
assert.deepEqual(depTree.modulesById[i].chunks, [0]);
assert.deepEqual(depTree.modulesById[i].chunks, ["main"]);
}
}
},
@ -42,12 +42,12 @@ vows.describe("buildDeps").addBatch({
},
"two chunks": function(depTree) {
assert.deepEqual(Object.keys(depTree.chunks), ["0", "1"]);
assert.deepEqual(depTree.modulesByFile[path.join(__dirname, "fixtures", "main2.js")].chunks, [0]);
assert.deepEqual(depTree.modulesByFile[path.join(__dirname, "fixtures", "a.js")].chunks, [0]);
assert.deepEqual(depTree.modulesByFile[path.join(__dirname, "fixtures", "b.js")].chunks, [0]);
assert.deepEqual(depTree.modulesByFile[path.join(__dirname, "fixtures", "node_modules", "m1", "a.js")].chunks, [1]);
assert.deepEqual(depTree.modulesByFile[path.join(__dirname, "fixtures", "node_modules", "m1", "b.js")].chunks, [1]);
assert.deepEqual(Object.keys(depTree.chunks), ["1", "main"]);
assert.deepEqual(depTree.modulesByFile[path.join(__dirname, "fixtures", "main2.js")].chunks, ["main"]);
assert.deepEqual(depTree.modulesByFile[path.join(__dirname, "fixtures", "a.js")].chunks, ["main"]);
assert.deepEqual(depTree.modulesByFile[path.join(__dirname, "fixtures", "b.js")].chunks, ["main"]);
assert.deepEqual(depTree.modulesByFile[path.join(__dirname, "fixtures", "node_modules", "m1", "a.js")].chunks, ["1"]);
assert.deepEqual(depTree.modulesByFile[path.join(__dirname, "fixtures", "node_modules", "m1", "b.js")].chunks, ["1"]);
}
},
@ -63,19 +63,19 @@ vows.describe("buildDeps").addBatch({
},
"two chunks": function(depTree) {
assert.deepEqual(Object.keys(depTree.chunks), ["0", "1"]);
assert.deepEqual(depTree.modulesByFile[path.join(__dirname, "fixtures", "main3.js")].chunks, [0]);
assert.deepEqual(depTree.modulesByFile[path.join(__dirname, "fixtures", "a.js")].chunks, [0, 1]);
assert.deepEqual(depTree.modulesByFile[path.join(__dirname, "fixtures", "c.js")].chunks, [1]);
assert.deepEqual(Object.keys(depTree.chunks), ["1", "main"]);
assert.deepEqual(depTree.modulesByFile[path.join(__dirname, "fixtures", "main3.js")].chunks, ["main"]);
assert.deepEqual(depTree.modulesByFile[path.join(__dirname, "fixtures", "a.js")].chunks, ["main", "1"]);
assert.deepEqual(depTree.modulesByFile[path.join(__dirname, "fixtures", "c.js")].chunks, ["1"]);
var main3id = ""+depTree.modulesByFile[path.join(__dirname, "fixtures", "main3.js")].id;
var aid = ""+depTree.modulesByFile[path.join(__dirname, "fixtures", "a.js")].id;
var cid = ""+depTree.modulesByFile[path.join(__dirname, "fixtures", "c.js")].id;
assert.deepEqual(Object.keys(depTree.chunks[0].modules), [main3id, aid]);
assert.deepEqual(Object.keys(depTree.chunks[1].modules), [cid, aid]);
assert.deepEqual(depTree.chunks[0].modules[main3id], "include");
assert.deepEqual(depTree.chunks[0].modules[aid], "include");
assert.deepEqual(depTree.chunks[1].modules[aid], "in-parent");
assert.deepEqual(depTree.chunks[1].modules[cid], "include");
assert.deepEqual(Object.keys(depTree.chunks.main.modules), [main3id, aid]);
assert.deepEqual(Object.keys(depTree.chunks["1"].modules), [cid, aid]);
assert.deepEqual(depTree.chunks.main.modules[main3id], "include");
assert.deepEqual(depTree.chunks.main.modules[aid], "include");
assert.deepEqual(depTree.chunks["1"].modules[aid], "in-parent");
assert.deepEqual(depTree.chunks["1"].modules[cid], "include");
}
}