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<script>
  import { getContext } from 'svelte';
  export let evt = undefined;
  export let offset = 35;
  export let headerFn = undefined;
  export let nestedAccessors = false;
  export let dimensions;
  let { custom } = getContext('LayerCake');
</script>

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The "each Leaflet object as a Svelte component" thing wasn't the first I tried. My first attempt manages the state manually with a process similar to what I described here: https://imfeld.dev/writing/leaflet_with_svelte#syncing-local-state-to-the-map-through-reactive-statements. Essentially I had some code blocks that keep track of which objects I had created in Leaflet, and manually reconciled that with the declarative state from the reactive statements, adding or removing markers/lines/etc. I had a code block like this for each type of object that the app used.

// A Map containing all the markers that we have created.
let markers = new Map();
let allLocations = {...};

// Create the markers.
for (let [id, data] of Object.entries(allLocations)) {
  let marker = L.marker(data.location, { icon: data.icon });

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// See https://github.com/angus-c/just for the functions themselves.

declare module 'just-capitalize' {
  function capitalize(value: string): string;
  export = capitalize;
}

declare module 'just-clamp' {
  function clamp(min: number, value: number, max: number): number;
  export = clamp;

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<!-- This is missing a bunch of the code that interacts with tippy to position the element, but
 hopefully it makes sense -->
<script>
  // The popup tracker makes sure that "outside click" handling doesn't trigger when a click occurs
  // in a child dropdown, and the child dropdown's popup is fixed.
  function makePopupTracker(parent) {
    let contained: HTMLElement[] = [];
    return {
      contains(target) {
        return contained.some((e) => e.contains(target));

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<script>
  import tippy from 'tippy.js';
  import 'tippy.js/animations/shift-away.css';
  import 'tippy.js/dist/tippy.css';
  import { createEventDispatcher, tick } from 'svelte';
  import { scale } from 'svelte/transition';
  import { cubicIn, cubicOut } from 'svelte/easing';
  import Icon from './Icon.svelte';
  import Button from './Button.svelte';
  import { faChevronDown } from '@fortawesome/pro-solid-svg-icons/faChevronDown';

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import { writable, Readable } from 'svelte/store';
import { produce, enableAllPlugins } from 'immer';

enableAllPlugins();

export interface ImmerStore<T> {
  update: (updateFn: (draft: T) => T | void) => T;
  subscribe: Readable<T>['subscribe'];
}

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const babelServerConfig = {
  extensions: ['.js', '.mjs', '.html', '.ts'],
  babelHelpers: 'bundled',
  exclude: ['node_modules/@babel/**'],
  presets: [
    [
      '@babel/preset-env',
      {
        modules: false,
        targets: { node: 12 },

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<div class="px-2 flex flex-col">
    <!-- Selected: adds bg-gray-200, removes bg-gray-100 -->
    <!-- First row: Removes mt-1 -->
    <div class="bg-gray-200 rounded-md px-2">
        <span>Content</span>

        <!-- Selected: adds bg-gray-100, removes bg-gray-200 -->
        <span class="ml-auto bg-gray-100">5</span>
    </div>

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input length = 60;
def xx = -GetEventOffset(Events.EARNINGS);
def yy = Sum(HasEarnings(type = EarningTime.AFTER_MARKET), length)[-length + 1] > 0;
plot x = xx + yy * .5;
x.AssignValueColor( if x <= 1 then Color.LIGHT_RED else Color.DARK_GRAY);

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import { abc } from './redundant_export';

abc(1, 2, 3);