Added remaining Promise constructor methods.

The following methods were added: Promise.all(), Promise.allSettled(),
Promise.any(), Promise.race().

Author: Alexander Borisov

src/njs_promise.c

@@ -0,0 +1,9 @@
+function resolve(value) {
+    return new Promise(resolve => setTimeout(() => resolve(value), 0));
+}
+
+Promise.all([resolve(['one', 'two']), resolve(['three', 'four'])])
+.then(
+    (v) => {console.log(`resolved:${njs.dump(v)}`)},
+    (v) => {console.log(`rejected:${njs.dump(v)}`)}
+);

test/js/promise_all.js

@@ -0,0 +1,20 @@
+var p0 = Promise.resolve(2).then(v => v + 1);
+var p1 = Promise.reject(21).catch(v => v * 2);
+var p2 = Promise.resolve('nope').then(() => { throw 'foo' });
+var p3 = Promise.reject('yes').then(() => { throw 'nope'; });
+var p4 = Promise.resolve('here').finally(() => 'nope');
+var p5 = Promise.reject('here too').finally(() => 'nope');
+var p6 = Promise.resolve('nope').finally(() => { throw 'finally'; });
+var p7 = Promise.reject('nope').finally(() => { throw 'finally after rejected'; });
+var p8 = Promise.reject(1).then(() => 'nope', () => 0);
+
+function dump(v) {
+    var fulfilled = v.filter(v=>v.status == 'fulfilled').map(v=>v.value).sort();
+    var rejected = v.filter(v=>v.status == 'rejected').map(v=>v.reason).sort();
+    return `F:${fulfilled}|R:${rejected}`
+}
+
+Promise.allSettled([p0, p1, p2, p3, p4, p5, p6, p7, p8]).then(
+    (v) => {console.log(`resolved:${dump(v)}`)},
+    (v) => {console.log(`rejected:${dump(v)}`)}
+);

test/js/promise_allSettled.js

@@ -0,0 +1,10 @@
+function dump(v) {
+    var fulfilled = v.filter(v=>v.status == 'fulfilled').map(v=>v.value).sort();
+    var rejected = v.filter(v=>v.status == 'rejected').map(v=>v.reason).sort();
+    return `F:${fulfilled}|R:${rejected}`;
+}
+
+Promise.allSettled("abc").then(
+    (v) => {console.log(`resolved:${dump(v)}`)},
+    (v) => {console.log(`rejected:${dump(v)}`)}
+);

test/js/promise_allSettled_string.js

@@ -0,0 +1,9 @@
+var p0 = Promise.resolve(1).then(v => v + 1);
+var p1 = Promise.reject(2).catch(v => v * 2);
+var p2 = Promise.resolve().then(() => { throw 'foo' });
+var p3 = Promise.reject().then(() => { throw 'oof'; });
+
+Promise.all([p0, p1, p2, p3]).then(
+    (v) => {console.log(`resolved:${v}`)},
+    (v) => {console.log(`rejected:${v}`)}
+);

test/js/promise_all_throw.js

@@ -0,0 +1,8 @@
+var p0 = Promise.resolve().then(() => { throw 'foo' });
+var p1 = Promise.reject(2).catch(v => v * 2);
+var p2 = Promise.resolve(1).then(v => v + 1);
+
+Promise.any([p0, p1, p2]).then(
+    (v) => {console.log(`resolved:${v}`)},
+    (v) => {console.log(`rejected:${v}`)}
+);

test/js/promise_any.js

@@ -0,0 +1,7 @@
+var p0 = Promise.reject(1);
+var p1 = Promise.reject(2);
+
+Promise.any([p0, p1]).then(
+    (v) => {console.log(`resolve:${v}`)},
+    (v) => {console.log(`reject:${v}`)}
+);

test/js/promise_any_all_rejected.js

@@ -0,0 +1,12 @@
+var p1 = new Promise((resolve, reject) => {
+    setTimeout(resolve, 0, 'one');
+});
+
+var p2 = new Promise((resolve, reject) => {
+    setTimeout(resolve, 0, 'two');
+});
+
+Promise.race([p1, p2]).then(
+    (v) => {console.log(`resolved:${v}`)},
+    (v) => {console.log(`rejected:${v}`)}
+);

test/js/promise_race.js

@@ -0,0 +1,12 @@
+var p1 = new Promise((resolve, reject) => {
+    throw 'one';
+});
+
+var p2 = new Promise((resolve, reject) => {
+    setTimeout(resolve, 0, 'two');
+});
+
+Promise.race([p1, p2]).then(
+    (v) => {console.log(`resolved:${v}`)},
+    (v) => {console.log(`rejected:${v}`)}
+);

test/js/promise_race_throw.js

@@ -1084,3 +1084,27 @@ njs_run {"./test/js/promise_reject_catch.js"} \
 
 njs_run {"./test/js/promise_reject_post_catch.js"} \
 "Error: unhandled promise rejection: undefined"
+
+njs_run {"./test/js/promise_all.js"} \
+"resolved:\\\[\\\['one','two'],\\\['three','four']]"
+
+njs_run {"./test/js/promise_all_throw.js"} \
+"rejected:foo"
+
+njs_run {"./test/js/promise_allSettled.js"} \
+"resolved:resolved:F:0,3,42,here|R:finally,finally after rejected,foo,here too,yes"
+
+njs_run {"./test/js/promise_allSettled_string.js"} \
+"resolved:F:a,b,c|R:"
+
+njs_run {"./test/js/promise_any.js"} \
+"resolved:4"
+
+njs_run {"./test/js/promise_any_all_rejected.js"} \
+"reject:AggregateError: All promises were rejected"
+
+njs_run {"./test/js/promise_race.js"} \
+"resolved:one"
+
+njs_run {"./test/js/promise_race_throw.js"} \
+"rejected:one"