296 lines
9.1 KiB
JavaScript
296 lines
9.1 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const RuntimeGlobals = require("../RuntimeGlobals");
|
|
const RuntimeModule = require("../RuntimeModule");
|
|
const Template = require("../Template");
|
|
const { first } = require("../util/SetHelpers");
|
|
|
|
/** @typedef {import("../Chunk")} Chunk */
|
|
/** @typedef {import("../ChunkGraph")} ChunkGraph */
|
|
/** @typedef {import("../Compilation")} Compilation */
|
|
/** @typedef {import("../Compilation").AssetInfo} AssetInfo */
|
|
/** @typedef {import("../TemplatedPathPlugin").TemplatePath} TemplatePath */
|
|
|
|
class GetChunkFilenameRuntimeModule extends RuntimeModule {
|
|
/**
|
|
* @param {string} contentType the contentType to use the content hash for
|
|
* @param {string} name kind of filename
|
|
* @param {string} global function name to be assigned
|
|
* @param {function(Chunk): TemplatePath} getFilenameForChunk functor to get the filename or function
|
|
* @param {boolean} allChunks when false, only async chunks are included
|
|
*/
|
|
constructor(contentType, name, global, getFilenameForChunk, allChunks) {
|
|
super(`get ${name} chunk filename`);
|
|
this.contentType = contentType;
|
|
this.global = global;
|
|
this.getFilenameForChunk = getFilenameForChunk;
|
|
this.allChunks = allChunks;
|
|
this.dependentHash = true;
|
|
}
|
|
|
|
/**
|
|
* @returns {string | null} runtime code
|
|
*/
|
|
generate() {
|
|
const { global, contentType, getFilenameForChunk, allChunks } = this;
|
|
const compilation = /** @type {Compilation} */ (this.compilation);
|
|
const chunkGraph = /** @type {ChunkGraph} */ (this.chunkGraph);
|
|
const chunk = /** @type {Chunk} */ (this.chunk);
|
|
const { runtimeTemplate } = compilation;
|
|
|
|
/** @type {Map<string | TemplatePath, Set<Chunk>>} */
|
|
const chunkFilenames = new Map();
|
|
let maxChunks = 0;
|
|
/** @type {string | undefined} */
|
|
let dynamicFilename;
|
|
|
|
/**
|
|
* @param {Chunk} c the chunk
|
|
* @returns {void}
|
|
*/
|
|
const addChunk = c => {
|
|
const chunkFilename = getFilenameForChunk(c);
|
|
if (chunkFilename) {
|
|
let set = chunkFilenames.get(chunkFilename);
|
|
if (set === undefined) {
|
|
chunkFilenames.set(chunkFilename, (set = new Set()));
|
|
}
|
|
set.add(c);
|
|
if (typeof chunkFilename === "string") {
|
|
if (set.size < maxChunks) return;
|
|
if (set.size === maxChunks) {
|
|
if (
|
|
chunkFilename.length <
|
|
/** @type {string} */ (dynamicFilename).length
|
|
) {
|
|
return;
|
|
}
|
|
|
|
if (
|
|
chunkFilename.length ===
|
|
/** @type {string} */ (dynamicFilename).length &&
|
|
chunkFilename < /** @type {string} */ (dynamicFilename)
|
|
) {
|
|
return;
|
|
}
|
|
}
|
|
maxChunks = set.size;
|
|
dynamicFilename = chunkFilename;
|
|
}
|
|
}
|
|
};
|
|
|
|
/** @type {string[]} */
|
|
const includedChunksMessages = [];
|
|
if (allChunks) {
|
|
includedChunksMessages.push("all chunks");
|
|
for (const c of chunk.getAllReferencedChunks()) {
|
|
addChunk(c);
|
|
}
|
|
} else {
|
|
includedChunksMessages.push("async chunks");
|
|
for (const c of chunk.getAllAsyncChunks()) {
|
|
addChunk(c);
|
|
}
|
|
const includeEntries = chunkGraph
|
|
.getTreeRuntimeRequirements(chunk)
|
|
.has(RuntimeGlobals.ensureChunkIncludeEntries);
|
|
if (includeEntries) {
|
|
includedChunksMessages.push("sibling chunks for the entrypoint");
|
|
for (const c of chunkGraph.getChunkEntryDependentChunksIterable(
|
|
chunk
|
|
)) {
|
|
addChunk(c);
|
|
}
|
|
}
|
|
}
|
|
for (const entrypoint of chunk.getAllReferencedAsyncEntrypoints()) {
|
|
addChunk(entrypoint.chunks[entrypoint.chunks.length - 1]);
|
|
}
|
|
|
|
/** @type {Map<string, Set<string | number | null>>} */
|
|
const staticUrls = new Map();
|
|
/** @type {Set<Chunk>} */
|
|
const dynamicUrlChunks = new Set();
|
|
|
|
/**
|
|
* @param {Chunk} c the chunk
|
|
* @param {string | TemplatePath} chunkFilename the filename template for the chunk
|
|
* @returns {void}
|
|
*/
|
|
const addStaticUrl = (c, chunkFilename) => {
|
|
/**
|
|
* @param {string | number} value a value
|
|
* @returns {string} string to put in quotes
|
|
*/
|
|
const unquotedStringify = value => {
|
|
const str = `${value}`;
|
|
if (str.length >= 5 && str === `${c.id}`) {
|
|
// This is shorter and generates the same result
|
|
return '" + chunkId + "';
|
|
}
|
|
const s = JSON.stringify(str);
|
|
return s.slice(1, -1);
|
|
};
|
|
/**
|
|
* @param {string} value string
|
|
* @returns {function(number): string} string to put in quotes with length
|
|
*/
|
|
const unquotedStringifyWithLength = value => length =>
|
|
unquotedStringify(`${value}`.slice(0, length));
|
|
const chunkFilenameValue =
|
|
typeof chunkFilename === "function"
|
|
? JSON.stringify(
|
|
chunkFilename({
|
|
chunk: c,
|
|
contentHashType: contentType
|
|
})
|
|
)
|
|
: JSON.stringify(chunkFilename);
|
|
const staticChunkFilename = compilation.getPath(chunkFilenameValue, {
|
|
hash: `" + ${RuntimeGlobals.getFullHash}() + "`,
|
|
hashWithLength: length =>
|
|
`" + ${RuntimeGlobals.getFullHash}().slice(0, ${length}) + "`,
|
|
chunk: {
|
|
id: unquotedStringify(/** @type {number | string} */ (c.id)),
|
|
hash: unquotedStringify(/** @type {string} */ (c.renderedHash)),
|
|
hashWithLength: unquotedStringifyWithLength(
|
|
/** @type {string} */ (c.renderedHash)
|
|
),
|
|
name: unquotedStringify(
|
|
c.name || /** @type {number | string} */ (c.id)
|
|
),
|
|
contentHash: {
|
|
[contentType]: unquotedStringify(c.contentHash[contentType])
|
|
},
|
|
contentHashWithLength: {
|
|
[contentType]: unquotedStringifyWithLength(
|
|
c.contentHash[contentType]
|
|
)
|
|
}
|
|
},
|
|
contentHashType: contentType
|
|
});
|
|
let set = staticUrls.get(staticChunkFilename);
|
|
if (set === undefined) {
|
|
staticUrls.set(staticChunkFilename, (set = new Set()));
|
|
}
|
|
set.add(c.id);
|
|
};
|
|
|
|
for (const [filename, chunks] of chunkFilenames) {
|
|
if (filename !== dynamicFilename) {
|
|
for (const c of chunks) addStaticUrl(c, filename);
|
|
} else {
|
|
for (const c of chunks) dynamicUrlChunks.add(c);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {function(Chunk): string | number} fn function from chunk to value
|
|
* @returns {string} code with static mapping of results of fn
|
|
*/
|
|
const createMap = fn => {
|
|
/** @type {Record<number | string, number | string>} */
|
|
const obj = {};
|
|
let useId = false;
|
|
/** @type {number | string | undefined} */
|
|
let lastKey;
|
|
let entries = 0;
|
|
for (const c of dynamicUrlChunks) {
|
|
const value = fn(c);
|
|
if (value === c.id) {
|
|
useId = true;
|
|
} else {
|
|
obj[/** @type {number | string} */ (c.id)] = value;
|
|
lastKey = /** @type {number | string} */ (c.id);
|
|
entries++;
|
|
}
|
|
}
|
|
if (entries === 0) return "chunkId";
|
|
if (entries === 1) {
|
|
return useId
|
|
? `(chunkId === ${JSON.stringify(lastKey)} ? ${JSON.stringify(
|
|
obj[/** @type {number | string} */ (lastKey)]
|
|
)} : chunkId)`
|
|
: JSON.stringify(obj[/** @type {number | string} */ (lastKey)]);
|
|
}
|
|
return useId
|
|
? `(${JSON.stringify(obj)}[chunkId] || chunkId)`
|
|
: `${JSON.stringify(obj)}[chunkId]`;
|
|
};
|
|
|
|
/**
|
|
* @param {function(Chunk): string | number} fn function from chunk to value
|
|
* @returns {string} code with static mapping of results of fn for including in quoted string
|
|
*/
|
|
const mapExpr = fn => `" + ${createMap(fn)} + "`;
|
|
|
|
/**
|
|
* @param {function(Chunk): string | number} fn function from chunk to value
|
|
* @returns {function(number): string} function which generates code with static mapping of results of fn for including in quoted string for specific length
|
|
*/
|
|
const mapExprWithLength = fn => length =>
|
|
`" + ${createMap(c => `${fn(c)}`.slice(0, length))} + "`;
|
|
|
|
const url =
|
|
dynamicFilename &&
|
|
compilation.getPath(JSON.stringify(dynamicFilename), {
|
|
hash: `" + ${RuntimeGlobals.getFullHash}() + "`,
|
|
hashWithLength: length =>
|
|
`" + ${RuntimeGlobals.getFullHash}().slice(0, ${length}) + "`,
|
|
chunk: {
|
|
id: `" + chunkId + "`,
|
|
hash: mapExpr(c => /** @type {string} */ (c.renderedHash)),
|
|
hashWithLength: mapExprWithLength(
|
|
c => /** @type {string} */ (c.renderedHash)
|
|
),
|
|
name: mapExpr(c => c.name || /** @type {number | string} */ (c.id)),
|
|
contentHash: {
|
|
[contentType]: mapExpr(c => c.contentHash[contentType])
|
|
},
|
|
contentHashWithLength: {
|
|
[contentType]: mapExprWithLength(c => c.contentHash[contentType])
|
|
}
|
|
},
|
|
contentHashType: contentType
|
|
});
|
|
|
|
return Template.asString([
|
|
`// This function allow to reference ${includedChunksMessages.join(
|
|
" and "
|
|
)}`,
|
|
`${global} = ${runtimeTemplate.basicFunction(
|
|
"chunkId",
|
|
|
|
staticUrls.size > 0
|
|
? [
|
|
"// return url for filenames not based on template",
|
|
// it minimizes to `x===1?"...":x===2?"...":"..."`
|
|
Template.asString(
|
|
Array.from(staticUrls, ([url, ids]) => {
|
|
const condition =
|
|
ids.size === 1
|
|
? `chunkId === ${JSON.stringify(first(ids))}`
|
|
: `{${Array.from(
|
|
ids,
|
|
id => `${JSON.stringify(id)}:1`
|
|
).join(",")}}[chunkId]`;
|
|
return `if (${condition}) return ${url};`;
|
|
})
|
|
),
|
|
"// return url for filenames based on template",
|
|
`return ${url};`
|
|
]
|
|
: ["// return url for filenames based on template", `return ${url};`]
|
|
)};`
|
|
]);
|
|
}
|
|
}
|
|
|
|
module.exports = GetChunkFilenameRuntimeModule;
|