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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { CompilerHostTarget, Host } from "./host.ts";
import { ASSETS } from "./sourcefile.ts";
import { getAsset } from "./util.ts";
// NOTE: target doesn't really matter here,
// this is in fact a mock host created just to
// load all type definitions and snapshot them.
const host = new Host({
target: CompilerHostTarget.Main,
writeFile(): void {}
});
const options = host.getCompilationSettings();
// This is a hacky way of adding our libs to the libs available in TypeScript()
// as these are internal APIs of TypeScript which maintain valid libs
ts.libs.push("deno.ns", "deno.window", "deno.worker", "deno.shared_globals");
ts.libMap.set("deno.ns", "lib.deno.ns.d.ts");
ts.libMap.set("deno.window", "lib.deno.window.d.ts");
ts.libMap.set("deno.worker", "lib.deno.worker.d.ts");
ts.libMap.set("deno.shared_globals", "lib.deno.shared_globals.d.ts");
// this pre-populates the cache at snapshot time of our library files, so they
// are available in the future when needed.
host.getSourceFile(`${ASSETS}/lib.deno.ns.d.ts`, ts.ScriptTarget.ESNext);
host.getSourceFile(`${ASSETS}/lib.deno.window.d.ts`, ts.ScriptTarget.ESNext);
host.getSourceFile(`${ASSETS}/lib.deno.worker.d.ts`, ts.ScriptTarget.ESNext);
host.getSourceFile(
`${ASSETS}/lib.deno.shared_globals.d.ts`,
ts.ScriptTarget.ESNext
);
export const TS_SNAPSHOT_PROGRAM = ts.createProgram({
rootNames: [`${ASSETS}/bootstrap.ts`],
options,
host
});
export const SYSTEM_LOADER = getAsset("system_loader.js");
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