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refactor: move asset type determination logic from util module to URLDependency class

This commit is contained in:
Ryuya 2025-09-02 18:02:44 -07:00
parent 0e3dfa1a38
commit 719e2b13ca
2 changed files with 27 additions and 36 deletions
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29
lib/dependencies/URLDependency.js
View File

@ -11,7 +11,6 @@ const RawDataUrlModule = require("../asset/RawDataUrlModule");
const {
getDependencyUsedByExportsCondition
} = require("../optimize/InnerGraph");
const getAssetType = require("../util/assetType");
const makeSerializable = require("../util/makeSerializable");
const memoize = require("../util/memoize");
const ModuleDependency = require("./ModuleDependency");
@ -115,6 +114,32 @@ class URLDependency extends ModuleDependency {
URLDependency.Template = class URLDependencyTemplate extends (
ModuleDependency.Template
) {
/**
* Determines the 'as' attribute value for prefetch/preload based on file extension
* https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Attributes/rel/preload#what_types_of_content_can_be_preloaded
* @param {string} request module request string or filename
* @returns {string} asset type for link element 'as' attribute
*/
static _getAssetType(request) {
if (/\.(png|jpe?g|gif|svg|webp|avif|bmp|ico|tiff?)$/i.test(request)) {
return "image";
} else if (/\.(woff2?|ttf|otf|eot)$/i.test(request)) {
return "font";
} else if (/\.(js|mjs|jsx|ts|tsx)$/i.test(request)) {
return "script";
} else if (/\.css$/i.test(request)) {
return "style";
} else if (/\.vtt$/i.test(request)) {
return "track";
} else if (
/\.(mp4|webm|ogg|mp3|wav|flac|aac|m4a|avi|mov|wmv|mkv)$/i.test(request)
) {
// Audio/video files use 'fetch' as browser support varies
return "fetch";
}
return "fetch";
}
/**
* @param {Dependency} dependency the dependency for which the template should be applied
* @param {ReplaceSource} source the current replace source which can be modified
@ -178,7 +203,7 @@ URLDependency.Template = class URLDependencyTemplate extends (
// Prefetch/Preload via InitFragment
if ((dep.prefetch || dep.preload) && module) {
const request = dep.request;
const assetType = getAssetType(request);
const assetType = URLDependencyTemplate._getAssetType(request);
const id = chunkGraph.getModuleId(module);
if (id !== null) {
const moduleId = runtimeTemplate.moduleId({

34
lib/util/assetType.js
View File

@ -1,34 +0,0 @@
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
/**
* Determines the 'as' attribute value for prefetch/preload based on file extension
* https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Attributes/rel/preload#what_types_of_content_can_be_preloaded
* @param {string} request module request string or filename
* @returns {string} asset type for link element 'as' attribute
*/
const getAssetType = (request) => {
if (/\.(png|jpe?g|gif|svg|webp|avif|bmp|ico|tiff?)$/i.test(request)) {
return "image";
} else if (/\.(woff2?|ttf|otf|eot)$/i.test(request)) {
return "font";
} else if (/\.(js|mjs|jsx|ts|tsx)$/i.test(request)) {
return "script";
} else if (/\.css$/i.test(request)) {
return "style";
} else if (/\.vtt$/i.test(request)) {
return "track";
} else if (
/\.(mp4|webm|ogg|mp3|wav|flac|aac|m4a|avi|mov|wmv|mkv)$/i.test(request)
) {
// Audio/video files use 'fetch' as browser support varies
return "fetch";
}
return "fetch";
};
module.exports = getAssetType;