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40 lines
1.5 KiB
TypeScript
40 lines
1.5 KiB
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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import { CompilerHostTarget, Host } from "./host.ts";
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import { ASSETS } from "./sourcefile.ts";
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import { getAsset } from "./util.ts";
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// NOTE: target doesn't really matter here,
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// this is in fact a mock host created just to
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// load all type definitions and snapshot them.
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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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ts.libs.push("deno.ns", "deno.window", "deno.worker", "deno.shared_globals");
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ts.libMap.set("deno.ns", "lib.deno.ns.d.ts");
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ts.libMap.set("deno.window", "lib.deno.window.d.ts");
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ts.libMap.set("deno.worker", "lib.deno.worker.d.ts");
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ts.libMap.set("deno.shared_globals", "lib.deno.shared_globals.d.ts");
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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(`${ASSETS}/lib.deno.ns.d.ts`, ts.ScriptTarget.ESNext);
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host.getSourceFile(`${ASSETS}/lib.deno.window.d.ts`, ts.ScriptTarget.ESNext);
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host.getSourceFile(`${ASSETS}/lib.deno.worker.d.ts`, ts.ScriptTarget.ESNext);
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host.getSourceFile(
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`${ASSETS}/lib.deno.shared_globals.d.ts`,
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ts.ScriptTarget.ESNext
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);
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export const TS_SNAPSHOT_PROGRAM = 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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export const SYSTEM_LOADER = getAsset("system_loader.js");
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