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Try a naive file load during parse, to see if that helps with pre-caching.

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Daniel Rosenwasser 2021-03-12 23:47:28 +00:00 committed by GitHub
parent d2cb05a6b5
commit 98404ec7bf
1 changed files with 21 additions and 1 deletions
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22
src/compiler/parser.ts
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@ -1,4 +1,12 @@
namespace ts {
let fs: typeof import("fs") | undefined;
let path: typeof import("path") | undefined;
try {
fs = require("fs");
path = require("path");
}
catch {}
const enum SignatureFlags {
None = 0,
Yield = 1 << 0,
@ -7010,7 +7018,19 @@ namespace ts {
function parseModuleSpecifier(): Expression {
if (token() === SyntaxKind.StringLiteral) {
const result = parseLiteralNode();
result.text = internIdentifier(result.text);
const text = result.text;
if (fs && path && result.text.charCodeAt(0) === CharacterCodes.dot) {
const initPath = path.resolve(fileName, result.text);
const ext = path.extname(initPath);
fs.readFile(text, noop);
if (!ext) {
fs.readFile(text + ".ts", noop);
fs.readFile(text + ".tsx", noop);
fs.readFile(text + ".d.ts", noop);
fs.readFile(text + ".js", noop);
}
}
result.text = internIdentifier(text);
return result;
}
else {