Source code
Revision control
Copy as Markdown
Other Tools
// Wait for a declarative WebMCP tool to register with the specified name.
async function waitForTool(name) {
let tools = await document.modelContext.getTools();
if (tools.some(t => t.name === name)) {
return;
}
await new Promise(resolve => {
const handler = async () => {
let tools = await document.modelContext.getTools();
if (tools.some(t => t.name === name)) {
document.modelContext.removeEventListener('toolchange', handler);
resolve();
}
};
document.modelContext.addEventListener('toolchange', handler);
});
}
// Wait for the active WebMCP tool's input schema to match the expected schema string.
async function waitForFormToolSchemaToMatch(expected_schema) {
await new Promise(resolve => {
const ac = new AbortController();
document.modelContext.addEventListener('toolchange', async e => {
const [tool] = await document.modelContext.getTools();
if (tool && tool.inputSchema === expected_schema) {
resolve();
ac.abort();
}
}, {signal: ac.signal});
});
}