folk-canvas/demo/chains-of-thought/main.ts

93 lines
2.6 KiB
TypeScript

import { SpatialGeometry } from '../../src/canvas/spatial-geometry.ts';
import { SpatialConnection } from '../../src/arrows/spatial-connection.ts';
import { FileSaver } from '../../src/persistence/file.ts';
SpatialGeometry.register();
SpatialConnection.register();
interface Thought {
id: string;
text: string;
x: number;
y: number;
}
interface Connection {
sourceId: string;
targetId: string;
}
interface ChainOfThought {
thoughts: Thought[];
connections: Connection[];
}
const html = String.raw;
function renderThought(thought: Thought) {
return html` <spatial-geometry data-id="${thought.id}" x="${thought.x}" y="${thought.y}" width="200" height="100">
<textarea>${thought.text}</textarea>
</spatial-geometry>`;
}
function renderConnection({ sourceId, targetId }: Connection) {
return html`<spatial-connection
source="spatial-geometry[data-id='${sourceId}']"
target="spatial-geometry[data-id='${targetId}']"
></spatial-connection>`;
}
function renderChainOfThought({ thoughts, connections }: ChainOfThought) {
return html`${thoughts.map(renderThought).join('')}${connections.map(renderConnection).join('')}`;
}
function parseChainOfThought(): ChainOfThought {
return {
thoughts: Array.from(document.querySelectorAll('spatial-geometry')).map((el) => ({
id: el.dataset.id || '',
text: el.querySelector('textarea')?.value || '',
x: el.x,
y: el.y,
})),
connections: Array.from(document.querySelectorAll('spatial-connection')).map((el) => ({
sourceId: (el.sourceElement as SpatialGeometry).dataset.id || '',
targetId: (el.targetElement as SpatialGeometry).dataset.id || '',
})),
};
}
const openButton = document.querySelector('button[name="open"]')!;
const saveButton = document.querySelector('button[name="save"]')!;
const saveAsButton = document.querySelector('button[name="save-as"]')!;
const main = document.querySelector('main')!;
const fileSaver = new FileSaver('chains-of-thought', 'json', 'application/json');
async function openFile() {
try {
const text = await fileSaver.open();
const json = JSON.parse(text);
main.innerHTML = renderChainOfThought(json);
} catch (e) {
// No file handler was persisted or the file is invalid JSON.
console.error(e);
}
}
async function saveFile(promptNewFile = false) {
fileSaver.save(JSON.stringify(parseChainOfThought(), null, 2), promptNewFile);
}
openButton.addEventListener('click', () => {
openFile();
});
saveButton.addEventListener('click', () => {
saveFile();
});
saveAsButton.addEventListener('click', () => {
saveFile(true);
});
openFile();