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const ModuleJob = require('internal/modules/esm/module_job');
const { kImplicitAssertType } = require('internal/modules/esm/assert');
const {
ObjectCreate,
SafeMap,
} = primordials;
let debug = require('internal/util/debuglog').debuglog('esm', (fn) => {
debug = fn;
});
const { ERR_INVALID_ARG_TYPE } = require('internal/errors').codes;
const { validateString } = require('internal/validators');
const validateAssertType = (type) =>
type === kImplicitAssertType || validateString(type, 'type');
// Tracks the state of the loader-level module cache
class ModuleMap extends SafeMap {
constructor(i) { super(i); } // eslint-disable-line no-useless-constructor
get(url, type = kImplicitAssertType) {
validateString(url, 'url');
validateAssertType(type);
return super.get(url)?.[type];
}
set(url, type = kImplicitAssertType, job) {
validateString(url, 'url');
validateAssertType(type);
if (job instanceof ModuleJob !== true &&
typeof job !== 'function') {
throw new ERR_INVALID_ARG_TYPE('job', 'ModuleJob', job);
}
debug(`Storing ${url} (${
type === kImplicitAssertType ? 'implicit type' : type
}) in ModuleMap`);
const cachedJobsForUrl = super.get(url) ?? ObjectCreate(null);
cachedJobsForUrl[type] = job;
return super.set(url, cachedJobsForUrl);
}
has(url, type = kImplicitAssertType) {
validateString(url, 'url');
validateAssertType(type);
return super.get(url)?.[type] !== undefined;
}
}
module.exports = ModuleMap;
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