52 lines
2.0 KiB
JavaScript
52 lines
2.0 KiB
JavaScript
import { promises as fs } from "fs";
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import loaderUtils from "next/dist/compiled/loader-utils3";
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import { sources, webpack } from "next/dist/compiled/webpack/webpack";
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const PLUGIN_NAME = "CopyFilePlugin";
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export class CopyFilePlugin {
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constructor({ filePath, cacheKey, name, info }){
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this.filePath = filePath;
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this.cacheKey = cacheKey;
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this.name = name;
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this.info = info;
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}
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apply(compiler) {
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compiler.hooks.thisCompilation.tap(PLUGIN_NAME, (compilation)=>{
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const cache = compilation.getCache("CopyFilePlugin");
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const hook = compilation.hooks.processAssets;
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hook.tapPromise({
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name: PLUGIN_NAME,
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stage: webpack.Compilation.PROCESS_ASSETS_STAGE_ADDITIONS
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}, async ()=>{
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if (cache) {
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const cachedResult = await cache.getPromise(this.filePath, this.cacheKey);
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if (cachedResult) {
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const { file, source } = cachedResult;
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compilation.emitAsset(file, source, {
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...this.info
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});
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return;
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}
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}
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const content = await fs.readFile(this.filePath, "utf8");
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const file = loaderUtils.interpolateName({
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resourcePath: this.filePath
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}, this.name, {
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content,
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context: compiler.context
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});
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const source = new sources.RawSource(content);
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if (cache) {
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await cache.storePromise(this.filePath, this.cacheKey, {
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file,
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source
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});
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}
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compilation.emitAsset(file, source, {
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...this.info
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});
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});
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});
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}
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}
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//# sourceMappingURL=copy-file-plugin.js.map
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