@fetsorn/csvs-js NPM

#+TITLE: csvs-js #+OPTIONS: toc:nil

Create, read, update and delete records in a csvs database, run powerful search queries.

Setup #+begin_src sh

install

npm i @fetsorn/csvs-js

test js functions

yarn test

test wasm functions in the browser with index.html

npx http-server

publish

yarn build npm publish #+end_src

Getting started #+begin_src js // functions exported by csvs-js require a callback // that describes how to fetch and write files from a csvs database

function fetchDataMetadir(path) { // fetch file from path }

function writeDataMetadir(path, content) { // write content to file at path }

const callback = { fetch: fetchDataMetadir, write: writeDataMetadir }

// get array of results from query var searchParams = new URLSearchParams() searchParams.set('val1', 'foo') const query1 = await queryMetadir(searchParams, callback, true) console.log(query1) // {"val1": "foo", // "val2": "bar", // "UUID": "b29b9ee3ad01efde7d8694cea4a37844c677ad807b61fa90c44409a21710035c"}

// if object has no uuid // editEntry creates a new record in the database // and returns it let entryBaz = {"val1": "foo", "val2": "baz"} let entryNew1 = await editEntry(entryBaz, callback) console.log(entryNew1) // {"val1": "foo", // "val2": "baz", // "UUID": "33d6e141e92852d5be1930458c1713c2bed09f42d545bf95c0f6d6e271b4077a"}

const query2 = await queryMetadir(searchParams, callback, true) console.log(query2) // {"val1": "foo", // "val2": "bar", // "UUID": "b29b9ee3ad01efde7d8694cea4a37844c677ad807b61fa90c44409a21710035c"}, // {"val1": "foo", // "val2": "baz", // "UUID": "33d6e141e92852d5be1930458c1713c2bed09f42d545bf95c0f6d6e271b4077a"}

// if object has a uuid // editEntry updates the record with matching uuid // and returns it let entryBarbaz = {"val1": "foo", "val2": "barbaz", "UUID": "33d6e141e92852d5be1930458c1713c2bed09f42d545bf95c0f6d6e271b4077a"} let entryNew2 = await editEntry(entryBarbaz, callback) console.log(entryNew) // {"val1": "foo", // "val2": "barbaz", // "UUID": "33d6e141e92852d5be1930458c1713c2bed09f42d545bf95c0f6d6e271b4077a"}

const query3 = await queryMetadir(searchParams, callback, true) console.log(query3) // {"val1": "foo", // "val2": "bar", // "UUID": "b29b9ee3ad01efde7d8694cea4a37844c677ad807b61fa90c44409a21710035c"}, // {"val1": "foo", // "val2": "barbaz", // "UUID": "33d6e141e92852d5be1930458c1713c2bed09f42d545bf95c0f6d6e271b4077a"}

// deleteEntry deletes a record with matching uuid let uuid = "b29b9ee3ad01efde7d8694cea4a37844c677ad807b61fa90c44409a21710035c" await deleteEntry(uuid, callback)

const query4 = await queryMetadir(searchParams, callback, true) console.log(query4) // {"val1": "foo", // "val2": "barbaz", // "UUID": "33d6e141e92852d5be1930458c1713c2bed09f42d545bf95c0f6d6e271b4077a"} #+end_src