kieraneglin
/ regex.js
Last active
April 3, 2017 14:04
[JS OSX Duplicate File Regex] #tags: js, regex
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| new RegExp(/\(([\d^)]+)\)(?!\S)/igm) |
kieraneglin
/ safe-access-object.js
Last active
February 28, 2019 13:01
Safely Access Deeply Nested Objects In JavaScript
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| // Problem: how do you access a deeply nested object that you're not certain exists? | |
| // if(object.user && object.user.post && object.user.post[0] && object.user.post[0].comment) { | |
| // return object.user.post[0].comment | |
| // } | |
| // and that's horrifying. Here's something better | |
| const idx = (props, object) => props.reduce((prefix, val) => (prefix && prefix[val]) ? prefix[val] : null, object) | |
| // Usage: | |
| nestedObj = {...} |
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