Better Storygraph

Various visual improvements to StoryGraph

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(У мене вже є менеджер скриптів, дайте мені встановити його!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Better Storygraph
// @namespace    https://cincodenada.com/
// @version      2025-10-31
// @description  Various visual improvements to StoryGraph
// @author       You
// @match        https://app.thestorygraph.com/stats/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=thestorygraph.com
// @grant        none
// @license      MIT
// ==/UserScript==

/* global Chart */

function rateDiv(div) {
  const goodDivs = [50, 25, 10, 1]
  const divOrder = Math.floor(Math.log10(div))
  for(let order = divOrder; order > 1; order--) {
    for(let [i, d] of goodDivs.entries()) {
      if(div === d*Math.pow(10,order-1)) { return i+(divOrder-order)*goodDivs.length }
    }
  }
  const divBonus = divOrder - 1;
  for(let slice=1; slice<=4; slice++) {
    for(let [i, d] of goodDivs.entries()) {
        if(div === d/slice) { return i+(slice+divOrder)*goodDivs.length }
    }
  }
  return null
}

function* range_gen(a, b) {
    if(a==b) { return }
    const inc = Math.sign(b-a)
    for(let i=a; i<b; i+=inc) {
        yield i
    }
}
function range(a, b) { return [...range_gen(a, b)] }

async function ready(f, timeout=10) {
    const result = f();
    if(result) { return result }
    await new Promise((resolve) => setTimeout(resolve, timeout))
    return ready(f, timeout*2)
}

(async function() {
    'use strict';

    const ch = await ready(function() {
        if(typeof Chart === "undefined") { return false }
        if(Object.values(Chart.instances).length < 2) { return false }
        return Object.values(Chart.instances)
            .filter(ch => ch.data.datasets[0].label === "Books read")
            .filter(ch => ch.scales['pages-read-axis'].ticks.length > 2)
            .at(0)
    })

    const ls = ch.scales['books-read-axis']
    const rs = ch.scales['pages-read-axis']

    const numdivs = rs.ticks.length - 1;
    const subticks = range(0,rs.ticks.length)
    const expandCount = Math.round(numdivs*0.5)
    const expansions = range(0,expandCount+1).map(n => ls.max/(numdivs+n))
    const rated = expansions
    .map(rateDiv)
    .map(
        (r, i) => ({
            score: r === null ? null : r*(i+1),
            raw_score: r,
            scootch: i
        })
    )
    .filter(r => r.score != null)
    .sort((a, b) => a.score - b.score)

    console.log(expansions, rated)
    const winner = rated[0]

    console.log('Expanding range', winner)

    rs.options.ticks.suggestedMax = rs.max*(rs.ticks.length-1+winner.scootch)/(rs.ticks.length-1)
    ch.update()
})();