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Libsearch: Simple index-free full-text search for JavaScript
Simple, index-free full-text search for JavaScript - thesephist/libsearch
It doesn't deliver the wide array of features that come with libraries like FlexSearch and lunr.js, but is a big step above text.indexOf(query) > -1, and is fast enough to be usable for searching thousands of documents on every keystroke in my experience. Modern JavaScript engines ship with highly optimized regular expression engines, and libsearch takes advantage of this for fast, index-free text search by transforming query strings into regular expression filters at search time. But when building prototypes and simple web apps, I often didn't want to incur the complexity of having a separate "indexing" step to get a "good enough" search solution.
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