42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true
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});
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exports.parseShardPair = void 0;
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/**
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* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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const parseShardPair = pair => {
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const shardPair = pair
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.split('/')
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.filter(d => /^\d+$/.test(d))
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.map(d => parseInt(d, 10))
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.filter(shard => !Number.isNaN(shard));
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const [shardIndex, shardCount] = shardPair;
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if (shardPair.length !== 2) {
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throw new Error(
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'The shard option requires a string in the format of <n>/<m>.'
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);
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}
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if (shardIndex === 0 || shardCount === 0) {
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throw new Error(
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'The shard option requires 1-based values, received 0 or lower in the pair.'
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);
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}
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if (shardIndex > shardCount) {
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throw new Error(
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'The shard option <n>/<m> requires <n> to be lower or equal than <m>.'
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);
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}
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return {
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shardCount,
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shardIndex
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};
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};
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exports.parseShardPair = parseShardPair;
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