aurelia-bootstrap
Version:
Bootstrap components written in Aurelia.
50 lines (49 loc) • 1.69 kB
JavaScript
/* */
;
module.exports = function(Promise, INTERNAL, tryConvertToPromise, apiRejection, debug) {
var util = require('./util');
var tryCatch = util.tryCatch;
Promise.method = function(fn) {
if (typeof fn !== "function") {
throw new Promise.TypeError("expecting a function but got " + util.classString(fn));
}
return function() {
var ret = new Promise(INTERNAL);
ret._captureStackTrace();
ret._pushContext();
var value = tryCatch(fn).apply(this, arguments);
var promiseCreated = ret._popContext();
debug.checkForgottenReturns(value, promiseCreated, "Promise.method", ret);
ret._resolveFromSyncValue(value);
return ret;
};
};
Promise.attempt = Promise["try"] = function(fn) {
if (typeof fn !== "function") {
return apiRejection("expecting a function but got " + util.classString(fn));
}
var ret = new Promise(INTERNAL);
ret._captureStackTrace();
ret._pushContext();
var value;
if (arguments.length > 1) {
debug.deprecated("calling Promise.try with more than 1 argument");
var arg = arguments[1];
var ctx = arguments[2];
value = util.isArray(arg) ? tryCatch(fn).apply(ctx, arg) : tryCatch(fn).call(ctx, arg);
} else {
value = tryCatch(fn)();
}
var promiseCreated = ret._popContext();
debug.checkForgottenReturns(value, promiseCreated, "Promise.try", ret);
ret._resolveFromSyncValue(value);
return ret;
};
Promise.prototype._resolveFromSyncValue = function(value) {
if (value === util.errorObj) {
this._rejectCallback(value.e, false);
} else {
this._resolveCallback(value, true);
}
};
};