index.js

import { setupToolbar } from "./setupToolbar.js";
import { setupEditor } from "./setupEditor.js";
import { setupResize } from "./setupResize.js";
import { setupMessages } from "./setupMessages.js";
import { html, render } from "https://unpkg.com/lit-html?module";

const globalState = {
  output: [],
  sketch: null,
  resizing: false,
  initialized: false,
  editor: null,
  sketchWindow: null,
  editorTimeout: 500,
  useLocalStorage: false,
  outputBuffer: 100,
  mobile: false,
  hideSidebar: false,
  evalSketch: evalSketch,
  setOutput: setOutput,
};

const examples = [
  "base",
  "cones",
  "discs",
  "tree",
  "zoom",
  "flocking",
  "arrayObjects",
  "keyboard",
  "circleTrails",
  "rainbowCircles",
];

function evalSketch() {
  if (globalState.resizing) return;
  console.debug("Evaluating sketch");
  // TODO: should the ouput get reset here? It would be nice to have it persistent.
  setOutput(false, []);

  try {
    globalState.sketchWindow.geval(
      `
      try { remove() } catch (e) { window.parent.postMessage({ type: "debug", body: "remove() failed"}); }

      (() => {
        return () => {
          console.log = (function(){
            return function (txt) {
              window.parent.postMessage({ type: "output", body: txt});
            };
          })();
          ${globalState.sketch};
          try { window.setup = setup } catch (e) { window.parent.postMessage({ type: "error", body: e.toString() }); };
          try { window.draw = draw } catch (e) { window.parent.postMessage({ type: "error", body: e.toString() }); };
          try { window.windowResized = windowResized } catch (e) { console.log("no resize") };

          // try {
          //   window.windowResized = windowResized ?? null;
          //   window.keyPressed = keyPressed ?? null;
          //   window.preload = preload ?? null;
          //   window.mouseDragged = mouseDragged ?? null;
          //   window.preload = preload ?? null;
          // } catch (e) {window.parent.postMessage({ type: "error", body: e.toString() });}
        }
      })()()

      new p5();
      `
    );
  } catch (e) {
    console.debug(e);
    setOutput(false, [{ type: "error", body: e.toString() }]);
    //globalState.output = [{ type: "error", body: e.toString() }];
  }
}

function renderOutput(state) {
  let out = [];
  for (const line of state.output) {
    if (line.type === "log") {
      out.push(
        html`<div class="output-line">
          ${line.count > 1 ? html`<span>${line.count}</span>` : ""}${line.body}
        </div>`
      );
    } else if (line.type === "p5") {
      out.push(html`<div class="p5-friendly">${line.body}</div>`);
    } else if (line.type === "error") {
      out.push(
        html`<div class="error-line"><span>error</span>${line.body}</div>`
      );
    }
  }
  return out;
}

function setOutput(append, line) {
  if (append) {
    globalState.output.push(line);
  } else {
    globalState.output = line;
  }
}

function view(state) {
  let pointerEvents = state.resizing ? "disablePointerEvents" : "";
  return html`<div id="sidebar-container">
      <div id="sidebar">
        <div class="green bar">
          <span class="bar-title">playground</span>
          <div id="toolbar">
            <span id="example-dropdown">
              examples
              <div>
                ${examples.map(
                  (ex) =>
                    html`<div
                      class="toolbar-button droption"
                      data-action="examples"
                      data-path=${ex}>
                      ${ex}
                    </div>`
                )}
              </div>
            </span>
            <span class="toolbar-button" data-action="save">save</span>
            <span class="toolbar-button" data-action="load">load</span>
            <span class="toolbar-button" data-action="copy">copy</span>
          </div>
        </div>
        <div id="editor" class=${pointerEvents}></div>
        <div id="output-header" class="purple bar">
          <span class="bar-title">output</span>
        </div>
        <div
          data-resize="output"
          data-resizedir="ns"
          class="resize-bar ns"></div>
        <div id="output" class=${pointerEvents}>${renderOutput(state)}</div>
      </div>
      <div
        data-resize="sidebar"
        data-resizedir="ew"
        class="resize-bar ew"></div>
    </div>
    <iframe
      allow="camera;microphone"
      id="sketch"
      class=${pointerEvents}
      src="sketch.html"></iframe> `;
}

function isMobile() {
  let check = false;
  (function (a) {
    if (
      /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(
        a
      ) ||
      /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(
        a.substr(0, 4)
      )
    )
      check = true;
  })(navigator.userAgent || navigator.vendor || window.opera);

  return check;
}

// TODO resize observer should re-render the view when window is resized
// function windowResize() {
//   let vh = window.innerHeight * 0.01;
//   let vw = window.innerWidth * 0.01;
//   document.documentElement.style.setProperty("--vh", `${vh}px`);
//   document.documentElement.style.setProperty("--vw", `${vw}px`);
// }

function r() {
  let vh = window.innerHeight * 0.01;
  let vw = window.innerWidth * 0.01;
  document.documentElement.style.setProperty("--vh", `${vh}px`);
  document.documentElement.style.setProperty("--vw", `${vw}px`);
  render(view(globalState), document.body);
  window.requestAnimationFrame(r);
}

function setup() {
  render(view(globalState), document.body);

  globalState.sketchWindow = document.getElementById("sketch").contentWindow;
  globalState.sketchWindow.geval = globalState.sketchWindow.eval;

  globalState.mobile = isMobile();
  if (globalState.mobile) document.body.classList.add("mobile");

  document
    .getElementById("sketch")
    .addEventListener("click", (e) => globalState.sketchWindow.focus());

  setupToolbar(globalState, document.getElementById("toolbar"));
  setupEditor(globalState, document.getElementById("editor"));
  setupResize(globalState, document.getElementById("sidebar-container"));
  setupMessages(globalState);

  window.requestAnimationFrame(r);
}

window.onload = setup;