Source code
Revision control
Copy as Markdown
Other Tools
// Completion values for generators report yields and initial yields.
load(libdir + "asserts.js");
load(libdir + 'match.js');
load(libdir + 'match-debugger.js');
const { Pattern } = Match;
const { OBJECT_WITH_EXACTLY: X } = Pattern;
const g = newGlobal({ newCompartment: true });
g.eval(`
function* f() {
yield "yielding";
return "returning";
}
`);
const dbg = new Debugger(g);
const completions = [];
dbg.onEnterFrame = frame => {
frame.onPop = completion => {
completions.push(completion);
};
};
assertDeepEq([... g.f()], ["yielding"]);
print(JSON.stringify(completions));
Pattern([
X({
return: new DebuggerObjectPattern("Generator", {}),
yield: true,
initial: true
}),
X({
return: new DebuggerObjectPattern("Object", { value: "yielding", done: false }),
yield: true
}),
X({
return: new DebuggerObjectPattern("Object", { value: "returning", done: true })
}),
]).assert(completions);