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53 lines
2.2 KiB
TypeScript
53 lines
2.2 KiB
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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import { ASSETS, CompilerHostTarget, Host } from "./compiler_host.ts";
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import { core } from "./core.ts";
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import * as dispatch from "./dispatch.ts";
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import { getAsset } from "./compiler_util.ts";
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// This registers ops that are available during the snapshotting process.
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const ops = core.ops();
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for (const [name, opId] of Object.entries(ops)) {
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const opName = `OP_${name.toUpperCase()}`;
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// TODO This type casting is dangerous, and should be improved when the same
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// code in `os.ts` is done.
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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(dispatch as any)[opName] = opId;
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}
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const host = new Host({
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target: CompilerHostTarget.Main,
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writeFile(): void {}
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});
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const options = host.getCompilationSettings();
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// This is a hacky way of adding our libs to the libs available in TypeScript()
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// as these are internal APIs of TypeScript which maintain valid libs
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/* eslint-disable @typescript-eslint/no-explicit-any */
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(ts as any).libs.push("deno_main", "deno_worker", "deno");
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(ts as any).libMap.set("deno_main", "lib.deno_main.d.ts");
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(ts as any).libMap.set("deno_worker", "lib.deno_worker.d.ts");
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(ts as any).libMap.set("deno", "lib.deno.d.ts");
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/* eslint-enable @typescript-eslint/no-explicit-any */
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// this pre-populates the cache at snapshot time of our library files, so they
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// are available in the future when needed.
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host.getSourceFile(`${ASSETS}/lib.deno_main.d.ts`, ts.ScriptTarget.ESNext);
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host.getSourceFile(`${ASSETS}/lib.deno_worker.d.ts`, ts.ScriptTarget.ESNext);
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host.getSourceFile(`${ASSETS}/lib.deno.d.ts`, ts.ScriptTarget.ESNext);
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host.getSourceFile(`${ASSETS}/lib.webworker.d.ts`, ts.ScriptTarget.ESNext);
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/** Used to generate the foundational AST for all other compilations, so it can
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* be cached as part of the snapshot and available to speed up startup */
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export const oldProgram = ts.createProgram({
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rootNames: [`${ASSETS}/bootstrap.ts`],
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options,
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host
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});
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/** A module loader which is concatenated into bundle files.
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*
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* We read all static assets during the snapshotting process, which is
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* why this is located in compiler_bootstrap.
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**/
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export const bundleLoader = getAsset("bundle_loader.js");
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