Public
Edited
Mar 30
Importers
4 stars
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
moduleOptions = [{ name: "main", module: main }, ...modules.values()]
Insert cell
Insert cell
viewof named_cell = {
cells.set("<new cell>", []);
const entries = [...cells.entries()];
const prior =
mutable editor_state.last_cell &&
entries.find((cell) => cell[1][0] === mutable editor_state.last_cell[1][0]);

// Also allow clicking to select cell
const clickHandler = (evt) => {
if (document.body.classList.contains("picking") && evt.isTrusted) {
const div = evt.target.closest(".observablehq");
viewof picked_dom.value = div;
viewof picked_dom.dispatchEvent(new Event("input"));

const entry = divToCell(entries, div);

if (entry && entry._module) {
if (entry._module !== module.module) {
viewof module.value = moduleOptions.find(
(m) => m.module == entry._module
);
viewof module.dispatchEvent(new Event("input"));
}
} else {
select.value = entry;
select.dispatchEvent(new Event("input"));
}
}
};
document.body.addEventListener("click", clickHandler);
invalidation.then(() =>
document.body.removeEventListener("click", clickHandler)
);

const select = Inputs.select(entries, {
//label: "cell",
value: prior,
nonce: refresh,
format: (v) => v[0]
});
return select;
}
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
deleteCell = async () =>
viewof command.send({
command: "deleteCell"
})
Insert cell
focusEditor = async ({} = {}) =>
viewof command.send({
command: "focusEditor"
})
Insert cell
Insert cell
command
Insert cell
command_processor = {
if (command.processed) return;

let result = undefined;
if (command.command == "createCell") {
result = compile_and_update("{}", ["<new cell>", []]);
} else if (command.command == "focusEditor") {
viewof code_editor.querySelector("[contenteditable]").focus();
result = true;
} else if (command.command == "deleteCell") {
remove_variables(named_cell[1]);
result = true;
}
if (result) {
command.processed = true;
viewof command.resolve(result);
}
}
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
editor_jobs = {
// auto subscribe with forcePeek
command_processor;
enable_picking;
highlight_picked;
editor_manager;
submit_summary;
last_selected_variable;
return "editor_jobs";
}
Insert cell
Insert cell
compile_and_update = (source, named_cell) => {
viewof log.value = "";
const cell = named_cell[1];
try {
let reposition = false,
insertionIndex = -1;
const newVariables = compile(source);
if (!cell || cell.length !== newVariables.length) {
reposition = true;
cell.forEach((v) => v.delete());
for (let i = 0; i < newVariables.length; i++) {
const newVariable = main.variable({});
cell.push(newVariable);
}
}
if (reposition) {
insertionIndex =
[...runtime._variables].findIndex(
(v) => v == mutable editor_state.last_selected_variable[1].at(-1)
) + 1;
}
newVariables.forEach((v, i) => {
const variable = cell[i];
let _fn;
eval("_fn = " + v._definition);
if (v._name) {
variable.define(v._name, v._inputs, _fn);
} else {
variable.define(v._inputs, _fn);
}
if (reposition)
repositionSetElement(runtime._variables, variable, insertionIndex + i);
});
mutable editor_state.last_cell = named_cell;
mutable editor_state.last_module = module.name;

console.log("compile_and_update: mutable editor_state", mutable editor_state);
viewof refresh.dispatchEvent(new Event("input"));
return named_cell;
} catch (e) {
viewof log.value = e.toString();
debugger;
}
}
Insert cell
Insert cell
remove_variables = (variables) => {
variables.forEach((v) => v.delete());
viewof refresh.dispatchEvent(new Event("input"));
}
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell

Purpose-built for displays of data

Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
Learn more