The DSL for filtering, querying, and creating JSON goes much deeper than what I’ve covered here, so see for the full documentation. Jq is awesome and makes working with JSON in bash easy. We have a huge front-end monolith with a single package.json that has 250 dependencies ?, so some automated assistance was necessary. I used something similar to this recently at work to prune unused dependencies. Click the following button to see the effect. There’s more that could be done to the grep-ing in that script to make it more robust, but that’s the basic gist. Getting array of values from jQuery object, Does jQuery autocomplete work with a dynamic array as source, Filtering an Array of Objects using Jquery. This is an example of using the grep () method.We tell it to start a bash subshell where our grep_dep function is called with it’s args P 4 defines the concurrency, so 4 concurrent greps The grep() method in jQuery finds the array elements that satisfy the given filter function. Let’s say we have JSON that looks like this: defines the replacement string where the dependency string will get placed Luckily, it’s really intuitive (unlike awk ?). Also like sed or awk, it basically has it’s own domain specific language (DSL) for querying JSON. Jq works similarly to sed or awk - like a filter that you pipe to and extract values from. A modern solution with (): const foundnames names.filter (v > v.name 'Joe'
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