jsmodern/dist/map/entry-or-default.js

An extension to existing JavaScript, influenced by other great languages such as Rust, Dart, Java, Golang, etc.

export const entryOrDefault = {
    label: 'entryOrDefault',
    fn: function mapEntryOrDefault(key, defaultValue) {
        const ctx = this;
        const val = !ctx.size || !ctx.has(key) ? defaultValue : ctx.get(key);
        return [key, val];
    },
};
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