123456789101112131415161718192021222324252627282930313233343536373839404142434445
import { Node, SourceFile } from "../deps.deno.ts";import type { Context } from "../context.ts";
interface LocalFile {  readonly sourceFile: SourceFile;  readonly url: URL;}
function getVendoredPath(url: URL) {  // FIXME respect ${vendorDir}/import_map.json  return url.hostname + "/" + url.pathname;}
const createVendorSpecifiersFn = (ctx: Context) =>  ({ sourceFile, url }: LocalFile) => {    if (!ctx.config.vendorDir) return;    for (const statement of sourceFile.getStatements()) {      if (        Node.isImportDeclaration(statement) ||        Node.isExportDeclaration(statement)      ) {        const oldSpecifierValue = statement.getModuleSpecifierValue();        if (oldSpecifierValue === undefined) continue;        const newUrl = new URL(oldSpecifierValue, url);        if (newUrl.protocol === "file:") continue;        const newSpecifierValue = sourceFile.getRelativePathAsModuleSpecifierTo(          ctx.resolve(ctx.config.vendorDir, getVendoredPath(newUrl)),        ) + ".js";        statement.setModuleSpecifier(newSpecifierValue);      }    }  };
function addUrl(sourceFile: SourceFile): LocalFile {  return {    sourceFile,    url: new URL("./" + sourceFile.getFilePath(), "file:"),  };}
export function vendorEverything(ctx: Context) {  const vendorSpecifiers = createVendorSpecifiersFn(ctx);  ctx.project.getSourceFiles().map(addUrl).forEach(vendorSpecifiers);}