mice.trap v1.0.0

mice.trap

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A "mouse operator" implementation, from this es-discuss thread.

// the current chaining operator
const result = nmsp.some.payload()?.result ?? nmsp.some.payload();
//                                            ^^^ undesired ^^^

// the proposed mouse operator
const result = nmsp.some.payload()<?.result;

// this module
import mouse from 'mice.trap';
// or const mouse = require('mice.trap');
const result = mouse(nmsp.some.payload())?.result ?? mouse.trap;