rc-js-util
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A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.
19 lines • 614 B
JavaScript
/**
* @public
* Used with dictionary that store arrays. Where an array exists for a given key the value will be appended to that array, otherwise a new array will be created containing the value.
* @param dict - The object to check. May be modified.
* @param key - The key to lookup in `dict`.
* @param value - The value to push.
* @remarks
* See {@link dictionaryPush}.
*/
export function dictionaryPush(dict, key, value) {
const values = dict[key];
if (values != null) {
values.push(value);
}
else {
dict[key] = [value];
}
}
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