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25 lines
538 B
TypeScript
25 lines
538 B
TypeScript
// Loaded from https://deno.land/x/graphql_deno@v15.0.0/lib/polyfills/flatMap.js
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const flatMapMethod = Array.prototype.flatMap;
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/* eslint-disable no-redeclare */
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// $FlowFixMe
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const flatMap = flatMapMethod ? function (list, fn) {
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return flatMapMethod.call(list, fn);
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} : function (list, fn) {
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let result = [];
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for (const item of list) {
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const value = fn(item);
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if (Array.isArray(value)) {
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result = result.concat(value);
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} else {
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result.push(value);
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}
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}
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return result;
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};
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export default flatMap; |