From 4622d2d57b8501b8d1ff5de6d366d2c1595debda Mon Sep 17 00:00:00 2001 From: Ron Buckton Date: Wed, 18 Oct 2023 16:09:28 -0400 Subject: [PATCH] Fix __asyncGenerator to properly handle AsyncGeneratorUnwrapYieldResumption --- tslib.es6.js | 5 +++-- tslib.es6.mjs | 5 +++-- tslib.js | 7 ++++--- 3 files changed, 10 insertions(+), 7 deletions(-) diff --git a/tslib.es6.js b/tslib.es6.js index 7be1c94..55dd360 100644 --- a/tslib.es6.js +++ b/tslib.es6.js @@ -228,8 +228,9 @@ export function __await(v) { export function __asyncGenerator(thisArg, _arguments, generator) { if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined."); var g = generator.apply(thisArg, _arguments || []), i, q = []; - return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i; - function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; } + return i = {}, verb("next"), verb("throw"), verb("return", awaitReturn), i[Symbol.asyncIterator] = function () { return this; }, i; + function awaitReturn(f) { return function (v) { return Promise.resolve(v).then(f, reject); }; } + function verb(n, f) { if (g[n]) { i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; if (f) i[n] = f(i[n]); } } function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } } function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); } function fulfill(value) { resume("next", value); } diff --git a/tslib.es6.mjs b/tslib.es6.mjs index c8e2999..65081a6 100644 --- a/tslib.es6.mjs +++ b/tslib.es6.mjs @@ -228,8 +228,9 @@ export function __await(v) { export function __asyncGenerator(thisArg, _arguments, generator) { if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined."); var g = generator.apply(thisArg, _arguments || []), i, q = []; - return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i; - function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; } + return i = {}, verb("next"), verb("throw"), verb("return", awaitReturn), i[Symbol.asyncIterator] = function () { return this; }, i; + function awaitReturn(f) { return function (v) { return Promise.resolve(v).then(f, reject); }; } + function verb(n, f) { if (g[n]) { i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; if (f) i[n] = f(i[n]); } } function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } } function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); } function fulfill(value) { resume("next", value); } diff --git a/tslib.js b/tslib.js index 343ecde..697469f 100644 --- a/tslib.js +++ b/tslib.js @@ -276,10 +276,11 @@ var __disposeResources; __asyncGenerator = function (thisArg, _arguments, generator) { if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined."); var g = generator.apply(thisArg, _arguments || []), i, q = []; - return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i; - function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; } + return i = {}, verb("next"), verb("throw"), verb("return", awaitReturn), i[Symbol.asyncIterator] = function () { return this; }, i; + function awaitReturn(f) { return function (v) { return Promise.resolve(v).then(f, reject); }; } + function verb(n, f) { if (g[n]) { i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; if (f) i[n] = f(i[n]); } } function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } } - function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); } + function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); } function fulfill(value) { resume("next", value); } function reject(value) { resume("throw", value); } function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }