refactor: merge TS compiler into single file (#5091)

1 files changed, 0 insertions, 93 deletions

diff --git a/cli/js/compiler/bundler.ts b/cli/js/compiler/bundler.ts
deleted file mode 100644
index 3f05a3be3..000000000
--- a/cli/js/compiler/bundler.ts
+++ /dev/null
@@ -1,93 +0,0 @@
-// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-
-import { SYSTEM_LOADER } from "./bootstrap.ts";
-import { commonPath, normalizeString } from "./util.ts";
-import { assert } from "../util.ts";
-
-let rootExports: string[] | undefined;
-
-function normalizeUrl(rootName: string): string {
-  const match = /^(\S+:\/{2,3})(.+)$/.exec(rootName);
-  if (match) {
-    const [, protocol, path] = match;
-    return `${protocol}${normalizeString(path)}`;
-  } else {
-    return rootName;
-  }
-}
-
-export function buildBundle(
-  rootName: string,
-  data: string,
-  sourceFiles: readonly ts.SourceFile[]
-): string {
-  // when outputting to AMD and a single outfile, TypeScript makes up the module
-  // specifiers which are used to define the modules, and doesn't expose them
-  // publicly, so we have to try to replicate
-  const sources = sourceFiles.map((sf) => sf.fileName);
-  const sharedPath = commonPath(sources);
-  rootName = normalizeUrl(rootName)
-    .replace(sharedPath, "")
-    .replace(/\.\w+$/i, "");
-  // If one of the modules requires support for top-level-await, TypeScript will
-  // emit the execute function as an async function.  When this is the case we
-  // need to bubble up the TLA to the instantiation, otherwise we instantiate
-  // synchronously.
-  const hasTla = data.match(/execute:\sasync\sfunction\s/);
-  let instantiate: string;
-  if (rootExports && rootExports.length) {
-    instantiate = hasTla
-      ? `const __exp = await __instantiateAsync("${rootName}");\n`
-      : `const __exp = __instantiate("${rootName}");\n`;
-    for (const rootExport of rootExports) {
-      if (rootExport === "default") {
-        instantiate += `export default __exp["${rootExport}"];\n`;
-      } else {
-        instantiate += `export const ${rootExport} = __exp["${rootExport}"];\n`;
-      }
-    }
-  } else {
-    instantiate = hasTla
-      ? `await __instantiateAsync("${rootName}");\n`
-      : `__instantiate("${rootName}");\n`;
-  }
-  return `${SYSTEM_LOADER}\n${data}\n${instantiate}`;
-}
-
-export function setRootExports(program: ts.Program, rootModule: string): void {
-  // get a reference to the type checker, this will let us find symbols from
-  // the AST.
-  const checker = program.getTypeChecker();
-  // get a reference to the main source file for the bundle
-  const mainSourceFile = program.getSourceFile(rootModule);
-  assert(mainSourceFile);
-  // retrieve the internal TypeScript symbol for this AST node
-  const mainSymbol = checker.getSymbolAtLocation(mainSourceFile);
-  if (!mainSymbol) {
-    return;
-  }
-  rootExports = checker
-    .getExportsOfModule(mainSymbol)
-    // .getExportsOfModule includes type only symbols which are exported from
-    // the module, so we need to try to filter those out.  While not critical
-    // someone looking at the bundle would think there is runtime code behind
-    // that when there isn't.  There appears to be no clean way of figuring that
-    // out, so inspecting SymbolFlags that might be present that are type only
-    .filter(
-      (sym) =>
-        sym.flags & ts.SymbolFlags.Class ||
-        !(
-          sym.flags & ts.SymbolFlags.Interface ||
-          sym.flags & ts.SymbolFlags.TypeLiteral ||
-          sym.flags & ts.SymbolFlags.Signature ||
-          sym.flags & ts.SymbolFlags.TypeParameter ||
-          sym.flags & ts.SymbolFlags.TypeAlias ||
-          sym.flags & ts.SymbolFlags.Type ||
-          sym.flags & ts.SymbolFlags.Namespace ||
-          sym.flags & ts.SymbolFlags.InterfaceExcludes ||
-          sym.flags & ts.SymbolFlags.TypeParameterExcludes ||
-          sym.flags & ts.SymbolFlags.TypeAliasExcludes
-        )
-    )
-    .map((sym) => sym.getName());
-}