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fix requireResolveNonCached for node 12.0.x and node 12.1.x #1566

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merged 4 commits into from
Dec 27, 2021
Merged

fix requireResolveNonCached for node 12.0.x and node 12.1.x #1566

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618e187
fix `requireResolveNonCached` for node 12.0.0 and node 12.0.1
davidmurdoch Dec 10, 2021
7beb4c3
fix lint error
davidmurdoch Dec 10, 2021
0baab20
tweak logic to use our reusable version number comparison function
cspotcode Dec 27, 2021
11cb00e
tweak code comments; I wrote them and they still confused me
cspotcode Dec 27, 2021
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13 changes: 6 additions & 7 deletions src/bin.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ import {
STDIN_NAME,
REPL_FILENAME,
} from './repl';
import { VERSION, TSError, register } from './index';
import { VERSION, TSError, register, versionGteLt } from './index';
import type { TSInternal } from './ts-compiler-types';
import { addBuiltinLibsToObject } from '../dist-raw/node-cjs-helpers';

Expand Down Expand Up @@ -427,12 +427,11 @@ let guaranteedNonexistentDirectorySuffix = 0;
* https://stackoverflow.com/questions/59865584/how-to-invalidate-cached-require-resolve-results
*/
function requireResolveNonCached(absoluteModuleSpecifier: string) {
// node 10 and 11 fallback: The trick below triggers a node 10 & 11 bug
// On those node versions, pollute the require cache instead. This is a deliberate
// ts-node limitation that will *rarely* manifest, and will not matter once node 10
// is end-of-life'd on 2021-04-30
const isSupportedNodeVersion =
parseInt(process.versions.node.split('.')[0], 10) >= 12;
// node <= 12.1.x fallback: The trick below triggers a node bug on old versions.
// On these old versions, pollute the require cache instead. This is a deliberate
// ts-node limitation that will *rarely* manifest, and will not matter once node 12
// is end-of-life'd on 2022-04-30
const isSupportedNodeVersion = versionGteLt(process.versions.node, '12.2.0');
if (!isSupportedNodeVersion) return require.resolve(absoluteModuleSpecifier);

const { dir, base } = parsePath(absoluteModuleSpecifier);
Expand Down