Odoo GraphQL Subscription using Node, Express JS for Sample
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import { Slot } from "./slot.js";
export { Slot };
export const { bind, noContext } = Slot;
// Like global.setTimeout, except the callback runs with captured context.
export { setTimeoutWithContext as setTimeout };
function setTimeoutWithContext(callback, delay) {
return setTimeout(bind(callback), delay);
}
// Turn any generator function into an async function (using yield instead
// of await), with context automatically preserved across yields.
export function asyncFromGen(genFn) {
return function () {
const gen = genFn.apply(this, arguments);
const boundNext = bind(gen.next);
const boundThrow = bind(gen.throw);
return new Promise((resolve, reject) => {
function invoke(method, argument) {
try {
var result = method.call(gen, argument);
}
catch (error) {
return reject(error);
}
const next = result.done ? resolve : invokeNext;
if (isPromiseLike(result.value)) {
result.value.then(next, result.done ? reject : invokeThrow);
}
else {
next(result.value);
}
}
const invokeNext = (value) => invoke(boundNext, value);
const invokeThrow = (error) => invoke(boundThrow, error);
invokeNext();
});
};
}
function isPromiseLike(value) {
return value && typeof value.then === "function";
}
// If you use the fibers npm package to implement coroutines in Node.js,
// you should call this function at least once to ensure context management
// remains coherent across any yields.
const wrappedFibers = [];
export function wrapYieldingFiberMethods(Fiber) {
// There can be only one implementation of Fiber per process, so this array
// should never grow longer than one element.
if (wrappedFibers.indexOf(Fiber) < 0) {
const wrap = (obj, method) => {
const fn = obj[method];
obj[method] = function () {
return noContext(fn, arguments, this);
};
};
// These methods can yield, according to
// https://github.com/laverdet/node-fibers/blob/ddebed9b8ae3883e57f822e2108e6943e5c8d2a8/fibers.js#L97-L100
wrap(Fiber, "yield");
wrap(Fiber.prototype, "run");
wrap(Fiber.prototype, "throwInto");
wrappedFibers.push(Fiber);
}
return Fiber;
}
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