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21 lines
481 B
JavaScript
21 lines
481 B
JavaScript
"use strict";
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const mapAsync = require("../map-async");
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const All = require("../dlayer-symbol-all");
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module.exports = function evaluateSingle({ command, selectResult }) {
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return function (ids) {
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return mapAsync(ids, async (id) => {
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if (id === All) {
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throw new Error(`This data source does not support fetching all entries`);
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} else {
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let result = await command(id);
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return (selectResult != null)
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? selectResult(result)
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: result;
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}
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});
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};
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};
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