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25 lines
570 B
JavaScript
25 lines
570 B
JavaScript
"use strict";
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const { validateArguments } = require("@validatem/core");
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const required = require("@validatem/required");
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const EndOfStream = require("@promistream/end-of-stream");
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const simpleSource = require("@promistream/simple-source");
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module.exports = function createStreamFromValue(_value) {
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let [ value ] = validateArguments(arguments, {
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value: required
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});
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let wasValueRead = false;
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return simpleSource(() => {
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if (wasValueRead === false) {
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wasValueRead = true;
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return value;
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} else {
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throw new EndOfStream("Value was read");
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}
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});
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};
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