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package/node_modules/promise-call-limit/dist/esm/index.js
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package/node_modules/promise-call-limit/dist/esm/index.js
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import * as os from 'node:os';
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// availableParallelism available only since node v19, for older versions use
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// cpus() cpus() can return an empty list if /proc is not mounted, use 1 in
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// this case
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/* c8 ignore start */
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const defLimit = 'availableParallelism' in os
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? Math.max(1, os.availableParallelism() - 1)
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: Math.max(1, os.cpus().length - 1);
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export const callLimit = (queue, { limit = defLimit, rejectLate } = {}) => new Promise((res, rej) => {
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let active = 0;
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let current = 0;
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const results = [];
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// Whether or not we rejected, distinct from the rejection just in case the rejection itself is falsey
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let rejected = false;
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let rejection;
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const reject = (er) => {
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if (rejected)
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return;
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rejected = true;
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rejection ??= er;
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if (!rejectLate)
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rej(rejection);
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};
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let resolved = false;
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const resolve = () => {
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if (resolved || active > 0)
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return;
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resolved = true;
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res(results);
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};
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const run = () => {
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const c = current++;
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if (c >= queue.length)
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return rejected ? reject() : resolve();
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active++;
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const step = queue[c];
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/* c8 ignore start */
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if (!step)
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throw new Error('walked off queue');
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/* c8 ignore stop */
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results[c] = step()
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.then(result => {
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active--;
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results[c] = result;
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return result;
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}, er => {
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active--;
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reject(er);
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})
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.then(result => {
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if (rejected && active === 0)
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return rej(rejection);
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run();
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return result;
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});
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};
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for (let i = 0; i < limit; i++)
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run();
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});
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//# sourceMappingURL=index.js.map
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package/node_modules/promise-call-limit/dist/esm/package.json
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package/node_modules/promise-call-limit/dist/esm/package.json
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{
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"type": "module"
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}
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