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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| "use strict"; | ||
| var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { | ||
| if (k2 === undefined) k2 = k; | ||
| var desc = Object.getOwnPropertyDescriptor(m, k); | ||
| if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { | ||
| desc = { enumerable: true, get: function() { return m[k]; } }; | ||
| } | ||
| Object.defineProperty(o, k2, desc); | ||
| }) : (function(o, m, k, k2) { | ||
| if (k2 === undefined) k2 = k; | ||
| o[k2] = m[k]; | ||
| })); | ||
| var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) { | ||
| Object.defineProperty(o, "default", { enumerable: true, value: v }); | ||
| }) : function(o, v) { | ||
| o["default"] = v; | ||
| }); | ||
| var __importStar = (this && this.__importStar) || function (mod) { | ||
| if (mod && mod.__esModule) return mod; | ||
| var result = {}; | ||
| if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k); | ||
| __setModuleDefault(result, mod); | ||
| return result; | ||
| }; | ||
| Object.defineProperty(exports, "__esModule", { value: true }); | ||
| exports.callLimit = void 0; | ||
| const os = __importStar(require("node:os")); | ||
| // availableParallelism available only since node v19, for older versions use | ||
| // cpus() cpus() can return an empty list if /proc is not mounted, use 1 in | ||
| // this case | ||
| /* c8 ignore start */ | ||
| const defLimit = 'availableParallelism' in os | ||
| ? Math.max(1, os.availableParallelism() - 1) | ||
| : Math.max(1, os.cpus().length - 1); | ||
| const callLimit = (queue, { limit = defLimit, rejectLate } = {}) => new Promise((res, rej) => { | ||
| let active = 0; | ||
| let current = 0; | ||
| const results = []; | ||
| // Whether or not we rejected, distinct from the rejection just in case the rejection itself is falsey | ||
| let rejected = false; | ||
| let rejection; | ||
| const reject = (er) => { | ||
| if (rejected) | ||
| return; | ||
| rejected = true; | ||
| rejection ??= er; | ||
| if (!rejectLate) | ||
| rej(rejection); | ||
| }; | ||
| let resolved = false; | ||
| const resolve = () => { | ||
| if (resolved || active > 0) | ||
| return; | ||
| resolved = true; | ||
| res(results); | ||
| }; | ||
| const run = () => { | ||
| const c = current++; | ||
| if (c >= queue.length) | ||
| return rejected ? reject() : resolve(); | ||
| active++; | ||
| const step = queue[c]; | ||
| /* c8 ignore start */ | ||
| if (!step) | ||
| throw new Error('walked off queue'); | ||
| /* c8 ignore stop */ | ||
| results[c] = step() | ||
| .then(result => { | ||
| active--; | ||
| results[c] = result; | ||
| return result; | ||
| }, er => { | ||
| active--; | ||
| reject(er); | ||
| }) | ||
| .then(result => { | ||
| if (rejected && active === 0) | ||
| return rej(rejection); | ||
| run(); | ||
| return result; | ||
| }); | ||
| }; | ||
| for (let i = 0; i < limit; i++) | ||
| run(); | ||
| }); | ||
| exports.callLimit = callLimit; | ||
| //# sourceMappingURL=index.js.map |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| { | ||
| "type": "commonjs" | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| import * as os from 'node:os'; | ||
| // availableParallelism available only since node v19, for older versions use | ||
| // cpus() cpus() can return an empty list if /proc is not mounted, use 1 in | ||
| // this case | ||
| /* c8 ignore start */ | ||
| const defLimit = 'availableParallelism' in os | ||
| ? Math.max(1, os.availableParallelism() - 1) | ||
| : Math.max(1, os.cpus().length - 1); | ||
| export const callLimit = (queue, { limit = defLimit, rejectLate } = {}) => new Promise((res, rej) => { | ||
| let active = 0; | ||
| let current = 0; | ||
| const results = []; | ||
| // Whether or not we rejected, distinct from the rejection just in case the rejection itself is falsey | ||
| let rejected = false; | ||
| let rejection; | ||
| const reject = (er) => { | ||
| if (rejected) | ||
| return; | ||
| rejected = true; | ||
| rejection ??= er; | ||
| if (!rejectLate) | ||
| rej(rejection); | ||
| }; | ||
| let resolved = false; | ||
| const resolve = () => { | ||
| if (resolved || active > 0) | ||
| return; | ||
| resolved = true; | ||
| res(results); | ||
| }; | ||
| const run = () => { | ||
| const c = current++; | ||
| if (c >= queue.length) | ||
| return rejected ? reject() : resolve(); | ||
| active++; | ||
| const step = queue[c]; | ||
| /* c8 ignore start */ | ||
| if (!step) | ||
| throw new Error('walked off queue'); | ||
| /* c8 ignore stop */ | ||
| results[c] = step() | ||
| .then(result => { | ||
| active--; | ||
| results[c] = result; | ||
| return result; | ||
| }, er => { | ||
| active--; | ||
| reject(er); | ||
| }) | ||
| .then(result => { | ||
| if (rejected && active === 0) | ||
| return rej(rejection); | ||
| run(); | ||
| return result; | ||
| }); | ||
| }; | ||
| for (let i = 0; i < limit; i++) | ||
| run(); | ||
| }); | ||
| //# sourceMappingURL=index.js.map |
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| @@ -0,0 +1,3 @@ | ||
| { | ||
| "type": "module" | ||
| } |
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