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esm: fix globalPreload warning #49069

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merged 4 commits into from
Aug 13, 2023
Merged

esm: fix globalPreload warning #49069

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0df26cf
esm: fix `globalPreload` warning
aduh95 Aug 8, 2023
1e999da
fixup! esm: fix `globalPreload` warning
aduh95 Aug 8, 2023
08366b5
Update lib/internal/modules/esm/hooks.js
aduh95 Aug 12, 2023
ee34066
Apply suggestions from code review
aduh95 Aug 12, 2023
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10 changes: 3 additions & 7 deletions lib/internal/modules/esm/hooks.js
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Original file line number Diff line number Diff line change
Expand Up @@ -86,7 +86,6 @@ let importMetaInitializer;

// [2] `validate...()`s throw the wrong error

let globalPreloadWarned = false;
class Hooks {
#chains = {
/**
Expand Down Expand Up @@ -162,12 +161,9 @@ class Hooks {
} = pluckHooks(exports);

if (globalPreload && !initialize) {
if (globalPreloadWarned === false) {
globalPreloadWarned = true;
emitExperimentalWarning(
'`globalPreload` will be removed in a future version. Please use `initialize` instead.',
);
}
emitExperimentalWarning(
'`globalPreload` is planned for removal in favor of `initialize`. `globalPreload`',
);
ArrayPrototypePush(this.#chains.globalPreload, { __proto__: null, fn: globalPreload, url });
}
if (resolve) {
Expand Down
14 changes: 13 additions & 1 deletion test/es-module/test-esm-loader-hooks.mjs
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Expand Up @@ -428,10 +428,22 @@ describe('Loader hooks', { concurrency: true }, () => {
const { stderr } = await spawnPromisified(execPath, [
'--experimental-loader',
'data:text/javascript,export function globalPreload(){}',
'--experimental-loader',
'data:text/javascript,export function globalPreload(){return""}',
fixtures.path('empty.js'),
]);

assert.strictEqual(stderr.match(/`globalPreload` is an experimental feature/g).length, 1);
});

it('should not emit deprecation warning when initialize is supplied', async () => {
const { stderr } = await spawnPromisified(execPath, [
'--experimental-loader',
'data:text/javascript,export function globalPreload(){}export function initialize(){}',
fixtures.path('empty.js'),
]);

assert.match(stderr, /`globalPreload` will be removed/);
assert.doesNotMatch(stderr, /`globalPreload` is an experimental feature/);
});

it('should handle globalPreload returning undefined', async () => {
Expand Down