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Support loading additional TS lib files (#3863)

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Fixes #3726

This PR provides support for referencing other lib files (like lib.dom.d.ts that are not
used by default in Deno.
This commit is contained in:
Kitson Kelly 2020-02-19 16:34:11 +11:00 • committed by GitHub
parent 3d5bed35e0
commit 046bbb2691
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GPG key ID: 4AEE18F83AFDEB23
22 changed files with 284 additions and 67 deletions
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14
cli/js/compiler_sourcefile.ts
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@ -26,6 +26,8 @@ export interface SourceFileJson {
sourceCode: string;
}
export const ASSETS = "$asset$";
/** Returns the TypeScript Extension enum for a given media type. */
function getExtension(fileName: string, mediaType: MediaType): ts.Extension {
switch (mediaType) {
@ -109,7 +111,7 @@ export class SourceFile {
this.processed = true;
const files = (this.importedFiles = [] as Array<[string, string]>);
function process(references: ts.FileReference[]): void {
function process(references: Array<{ fileName: string }>): void {
for (const { fileName } of references) {
files.push([fileName, fileName]);
}
@ -133,7 +135,15 @@ export class SourceFile {
process(importedFiles);
}
process(referencedFiles);
process(libReferenceDirectives);
// built in libs comes across as `"dom"` for example, and should be filtered
// out during pre-processing as they are either already cached or they will
// be lazily fetched by the compiler host. Ones that contain full files are
// not filtered out and will be fetched as normal.
process(
libReferenceDirectives.filter(
({ fileName }) => !ts.libMap.has(fileName.toLowerCase())
)
);
process(typeReferenceDirectives);
return files;
}