Merge pull request #596 from developit/async-to-promises-helpers

Don't emit code that relies on importing external helpers

src/lib/babel-custom.js

@@ -77,7 +77,8 @@ export default () => {
 						!customOptions.modern && {
 							name: 'babel-plugin-transform-async-to-promises',
 							inlineHelpers: true,
-							externalHelpers: true,
+							externalHelpers: false,
+							minify: true,
 						},
 						{
 							name: '@babel/plugin-proposal-class-properties',

test/__snapshots__/index.test.js.snap

@@ -1515,30 +1515,30 @@ esnext-ts
 
 
 Build \\"esnextTs\\" to dist:
-1012 B: esnext-ts.js.gz
-913 B: esnext-ts.js.br
-1013 B: esnext-ts.esm.js.gz
-913 B: esnext-ts.esm.js.br
-1072 B: esnext-ts.umd.js.gz
-975 B: esnext-ts.umd.js.br"
+989 B: esnext-ts.js.gz
+883 B: esnext-ts.js.br
+990 B: esnext-ts.esm.js.gz
+881 B: esnext-ts.esm.js.br
+1050 B: esnext-ts.umd.js.gz
+937 B: esnext-ts.umd.js.br"
 `;
 
 exports[`fixtures build esnext-ts with microbundle 2`] = `7`;
 
 exports[`fixtures build esnext-ts with microbundle 3`] = `
-"var n=function(){function n(){}return n.prototype.then=function(r,e){var o=new n,i=this.s;if(i){var u=1&i?r:e;if(u){try{t(o,1,u(this.v))}catch(n){t(o,2,n)}return o}return this}return this.o=function(n){try{var i=n.v;1&n.s?t(o,1,r?r(i):i):e?t(o,1,e(i)):t(o,2,i)}catch(n){t(o,2,n)}},o},n}();function t(r,e,o){if(!r.s){if(o instanceof n){if(!o.s)return void(o.o=t.bind(null,r,e));1&e&&(e=o.s),o=o.v}if(o&&o.then)return void o.then(t.bind(null,r,e),t.bind(null,r,2));r.s=e,r.v=o;var i=r.o;i&&i(r)}}function r(t){return t instanceof n&&1&t.s}function e(n,t){try{var r=n()}catch(n){return t(!0,n)}return r&&r.then?r.then(t.bind(null,!1),t.bind(null,!0)):t(!1,r)}\\"undefined\\"!=typeof Symbol&&(Symbol.iterator||(Symbol.iterator=Symbol(\\"Symbol.iterator\\"))),\\"undefined\\"!=typeof Symbol&&(Symbol.asyncIterator||(Symbol.asyncIterator=Symbol(\\"Symbol.asyncIterator\\")));var o=function(){try{var o,i,u,f,h=[],c=!0,a=!1,l=e(function(){return function(e,f){try{var a=function(){o=function(n){var t;if(\\"undefined\\"!=typeof Symbol){if(Symbol.asyncIterator&&null!=(t=n[Symbol.asyncIterator]))return t.call(n);if(Symbol.iterator&&null!=(t=n[Symbol.iterator]))return t.call(n)}throw new TypeError(\\"Object is not async iterable\\")}([1,2]);var e=function(e,o,i){for(var u;;){var f=e();if(r(f)&&(f=f.v),!f)return h;if(f.then){u=0;break}var h=i();if(h&&h.then){if(!r(h)){u=1;break}h=h.s}if(o){var c=o();if(c&&c.then&&!r(c)){u=2;break}}}var a=new n,l=t.bind(null,a,2);return(0===u?f.then(s):1===u?h.then(v):c.then(y)).then(void 0,l),a;function v(n){h=n;do{if(o&&(c=o())&&c.then&&!r(c))return void c.then(y).then(void 0,l);if(!(f=e())||r(f)&&!f.v)return void t(a,1,h);if(f.then)return void f.then(s).then(void 0,l);r(h=i())&&(h=h.v)}while(!h||!h.then);h.then(v).then(void 0,l)}function s(n){n?(h=i())&&h.then?h.then(v).then(void 0,l):v(h):t(a,1,h)}function y(){(f=e())?f.then?f.then(s).then(void 0,l):s(f):t(a,1,h)}}(function(){return!!Promise.resolve(o.next()).then(function(n){return c=i.done,i=n,Promise.resolve(i.value).then(function(n){return u=n,!c})})},function(){return!!(c=!0)},function(){h.push(u)});if(e&&e.then)return e.then(function(){})}()}catch(n){return f(n)}return a&&a.then?a.then(void 0,f):a}(0,function(n){a=!0,f=n})},function(n,t){function r(r){if(n)throw t;return t}var i=e(function(){var n=function(){if(!c&&null!=o.return)return Promise.resolve(o.return()).then(function(){})}();if(n&&n.then)return n.then(function(){})},function(n,t){if(a)throw f;if(n)throw t;return t});return i&&i.then?i.then(r):r()});return Promise.resolve(l&&l.then?l.then(function(n){return h}):h)}catch(n){return Promise.reject(n)}};o().then(console.log);export default o;
+"function n(t,e,i){if(!t.s){if(i instanceof r){if(!i.s)return void(i.o=n.bind(null,t,e));1&e&&(e=i.s),i=i.v}if(i&&i.then)return void i.then(n.bind(null,t,e),n.bind(null,t,2));t.s=e,t.v=i;var o=t.o;o&&o(t)}}var t=function(){try{var t,o,u,f,h=[],c=!0,v=!1,a=i(function(){return function(i,f){try{var v=function(){t=function(n){var t;if(\\"undefined\\"!=typeof Symbol){if(Symbol.asyncIterator&&null!=(t=n[Symbol.asyncIterator]))return t.call(n);if(Symbol.iterator&&null!=(t=n[Symbol.iterator]))return t.call(n)}throw new TypeError(\\"Object is not async iterable\\")}([1,2]);var i=function(t,i,o){for(var u;;){var f=t();if(e(f)&&(f=f.v),!f)return h;if(f.then){u=0;break}var h=o();if(h&&h.then){if(!e(h)){u=1;break}h=h.s}if(i){var c=i();if(c&&c.then&&!e(c)){u=2;break}}}var v=new r,a=n.bind(null,v,2);return(0===u?f.then(s):1===u?h.then(l):c.then(d)).then(void 0,a),v;function l(r){h=r;do{if(i&&(c=i())&&c.then&&!e(c))return void c.then(d).then(void 0,a);if(!(f=t())||e(f)&&!f.v)return void n(v,1,h);if(f.then)return void f.then(s).then(void 0,a);e(h=o())&&(h=h.v)}while(!h||!h.then);h.then(l).then(void 0,a)}function s(t){t?(h=o())&&h.then?h.then(l).then(void 0,a):l(h):n(v,1,h)}function d(){(f=t())?f.then?f.then(s).then(void 0,a):s(f):n(v,1,h)}}(function(){return!!Promise.resolve(t.next()).then(function(n){return c=o.done,o=n,Promise.resolve(o.value).then(function(n){return u=n,!c})})},function(){return!!(c=!0)},function(){h.push(u)});if(i&&i.then)return i.then(function(){})}()}catch(n){return f(n)}return v&&v.then?v.then(void 0,f):v}(0,function(n){v=!0,f=n})},function(n,r){function e(t){if(n)throw r;return r}var o=i(function(){var n=function(){if(!c&&null!=t.return)return Promise.resolve(t.return()).then(function(){})}();if(n&&n.then)return n.then(function(){})},function(n,t){if(v)throw f;if(n)throw t;return t});return o&&o.then?o.then(e):e()});return Promise.resolve(a&&a.then?a.then(function(n){return h}):h)}catch(n){return Promise.reject(n)}},r=function(){function t(){}return t.prototype.then=function(r,e){var i=new t,o=this.s;if(o){var u=1&o?r:e;if(u){try{n(i,1,u(this.v))}catch(t){n(i,2,t)}return i}return this}return this.o=function(t){try{var o=t.v;1&t.s?n(i,1,r?r(o):o):e?n(i,1,e(o)):n(i,2,o)}catch(t){n(i,2,t)}},i},t}();function e(n){return n instanceof r&&1&n.s}function i(n,t){try{var r=n()}catch(n){return t(!0,n)}return r&&r.then?r.then(t.bind(null,!1),t.bind(null,!0)):t(!1,r)}t().then(console.log);export default t;
 //# sourceMappingURL=esnext-ts.esm.js.map
 "
 `;
 
 exports[`fixtures build esnext-ts with microbundle 4`] = `
-"var n=function(){function n(){}return n.prototype.then=function(r,e){var o=new n,i=this.s;if(i){var u=1&i?r:e;if(u){try{t(o,1,u(this.v))}catch(n){t(o,2,n)}return o}return this}return this.o=function(n){try{var i=n.v;1&n.s?t(o,1,r?r(i):i):e?t(o,1,e(i)):t(o,2,i)}catch(n){t(o,2,n)}},o},n}();function t(r,e,o){if(!r.s){if(o instanceof n){if(!o.s)return void(o.o=t.bind(null,r,e));1&e&&(e=o.s),o=o.v}if(o&&o.then)return void o.then(t.bind(null,r,e),t.bind(null,r,2));r.s=e,r.v=o;var i=r.o;i&&i(r)}}function r(t){return t instanceof n&&1&t.s}function e(n,t){try{var r=n()}catch(n){return t(!0,n)}return r&&r.then?r.then(t.bind(null,!1),t.bind(null,!0)):t(!1,r)}\\"undefined\\"!=typeof Symbol&&(Symbol.iterator||(Symbol.iterator=Symbol(\\"Symbol.iterator\\"))),\\"undefined\\"!=typeof Symbol&&(Symbol.asyncIterator||(Symbol.asyncIterator=Symbol(\\"Symbol.asyncIterator\\")));var o=function(){try{var o,i,u,f,h=[],c=!0,a=!1,l=e(function(){return function(e,f){try{var a=function(){o=function(n){var t;if(\\"undefined\\"!=typeof Symbol){if(Symbol.asyncIterator&&null!=(t=n[Symbol.asyncIterator]))return t.call(n);if(Symbol.iterator&&null!=(t=n[Symbol.iterator]))return t.call(n)}throw new TypeError(\\"Object is not async iterable\\")}([1,2]);var e=function(e,o,i){for(var u;;){var f=e();if(r(f)&&(f=f.v),!f)return h;if(f.then){u=0;break}var h=i();if(h&&h.then){if(!r(h)){u=1;break}h=h.s}if(o){var c=o();if(c&&c.then&&!r(c)){u=2;break}}}var a=new n,l=t.bind(null,a,2);return(0===u?f.then(s):1===u?h.then(v):c.then(y)).then(void 0,l),a;function v(n){h=n;do{if(o&&(c=o())&&c.then&&!r(c))return void c.then(y).then(void 0,l);if(!(f=e())||r(f)&&!f.v)return void t(a,1,h);if(f.then)return void f.then(s).then(void 0,l);r(h=i())&&(h=h.v)}while(!h||!h.then);h.then(v).then(void 0,l)}function s(n){n?(h=i())&&h.then?h.then(v).then(void 0,l):v(h):t(a,1,h)}function y(){(f=e())?f.then?f.then(s).then(void 0,l):s(f):t(a,1,h)}}(function(){return!!Promise.resolve(o.next()).then(function(n){return c=i.done,i=n,Promise.resolve(i.value).then(function(n){return u=n,!c})})},function(){return!!(c=!0)},function(){h.push(u)});if(e&&e.then)return e.then(function(){})}()}catch(n){return f(n)}return a&&a.then?a.then(void 0,f):a}(0,function(n){a=!0,f=n})},function(n,t){function r(r){if(n)throw t;return t}var i=e(function(){var n=function(){if(!c&&null!=o.return)return Promise.resolve(o.return()).then(function(){})}();if(n&&n.then)return n.then(function(){})},function(n,t){if(a)throw f;if(n)throw t;return t});return i&&i.then?i.then(r):r()});return Promise.resolve(l&&l.then?l.then(function(n){return h}):h)}catch(n){return Promise.reject(n)}};o().then(console.log),module.exports=o;
+"function n(t,e,i){if(!t.s){if(i instanceof r){if(!i.s)return void(i.o=n.bind(null,t,e));1&e&&(e=i.s),i=i.v}if(i&&i.then)return void i.then(n.bind(null,t,e),n.bind(null,t,2));t.s=e,t.v=i;var o=t.o;o&&o(t)}}var t=function(){try{var t,o,u,f,h=[],c=!0,v=!1,a=i(function(){return function(i,f){try{var v=function(){t=function(n){var t;if(\\"undefined\\"!=typeof Symbol){if(Symbol.asyncIterator&&null!=(t=n[Symbol.asyncIterator]))return t.call(n);if(Symbol.iterator&&null!=(t=n[Symbol.iterator]))return t.call(n)}throw new TypeError(\\"Object is not async iterable\\")}([1,2]);var i=function(t,i,o){for(var u;;){var f=t();if(e(f)&&(f=f.v),!f)return h;if(f.then){u=0;break}var h=o();if(h&&h.then){if(!e(h)){u=1;break}h=h.s}if(i){var c=i();if(c&&c.then&&!e(c)){u=2;break}}}var v=new r,a=n.bind(null,v,2);return(0===u?f.then(s):1===u?h.then(l):c.then(d)).then(void 0,a),v;function l(r){h=r;do{if(i&&(c=i())&&c.then&&!e(c))return void c.then(d).then(void 0,a);if(!(f=t())||e(f)&&!f.v)return void n(v,1,h);if(f.then)return void f.then(s).then(void 0,a);e(h=o())&&(h=h.v)}while(!h||!h.then);h.then(l).then(void 0,a)}function s(t){t?(h=o())&&h.then?h.then(l).then(void 0,a):l(h):n(v,1,h)}function d(){(f=t())?f.then?f.then(s).then(void 0,a):s(f):n(v,1,h)}}(function(){return!!Promise.resolve(t.next()).then(function(n){return c=o.done,o=n,Promise.resolve(o.value).then(function(n){return u=n,!c})})},function(){return!!(c=!0)},function(){h.push(u)});if(i&&i.then)return i.then(function(){})}()}catch(n){return f(n)}return v&&v.then?v.then(void 0,f):v}(0,function(n){v=!0,f=n})},function(n,r){function e(t){if(n)throw r;return r}var o=i(function(){var n=function(){if(!c&&null!=t.return)return Promise.resolve(t.return()).then(function(){})}();if(n&&n.then)return n.then(function(){})},function(n,t){if(v)throw f;if(n)throw t;return t});return o&&o.then?o.then(e):e()});return Promise.resolve(a&&a.then?a.then(function(n){return h}):h)}catch(n){return Promise.reject(n)}},r=function(){function t(){}return t.prototype.then=function(r,e){var i=new t,o=this.s;if(o){var u=1&o?r:e;if(u){try{n(i,1,u(this.v))}catch(t){n(i,2,t)}return i}return this}return this.o=function(t){try{var o=t.v;1&t.s?n(i,1,r?r(o):o):e?n(i,1,e(o)):n(i,2,o)}catch(t){n(i,2,t)}},i},t}();function e(n){return n instanceof r&&1&n.s}function i(n,t){try{var r=n()}catch(n){return t(!0,n)}return r&&r.then?r.then(t.bind(null,!1),t.bind(null,!0)):t(!1,r)}t().then(console.log),module.exports=t;
 //# sourceMappingURL=esnext-ts.js.map
 "
 `;
 
 exports[`fixtures build esnext-ts with microbundle 5`] = `
-"!function(n,t){\\"object\\"==typeof exports&&\\"undefined\\"!=typeof module?module.exports=t():\\"function\\"==typeof define&&define.amd?define(t):(n=n||self).esnextTs=t()}(this,function(){var n=function(){function n(){}return n.prototype.then=function(e,r){var o=new n,i=this.s;if(i){var u=1&i?e:r;if(u){try{t(o,1,u(this.v))}catch(n){t(o,2,n)}return o}return this}return this.o=function(n){try{var i=n.v;1&n.s?t(o,1,e?e(i):i):r?t(o,1,r(i)):t(o,2,i)}catch(n){t(o,2,n)}},o},n}();function t(e,r,o){if(!e.s){if(o instanceof n){if(!o.s)return void(o.o=t.bind(null,e,r));1&r&&(r=o.s),o=o.v}if(o&&o.then)return void o.then(t.bind(null,e,r),t.bind(null,e,2));e.s=r,e.v=o;var i=e.o;i&&i(e)}}function e(t){return t instanceof n&&1&t.s}function r(n,t){try{var e=n()}catch(n){return t(!0,n)}return e&&e.then?e.then(t.bind(null,!1),t.bind(null,!0)):t(!1,e)}\\"undefined\\"!=typeof Symbol&&(Symbol.iterator||(Symbol.iterator=Symbol(\\"Symbol.iterator\\"))),\\"undefined\\"!=typeof Symbol&&(Symbol.asyncIterator||(Symbol.asyncIterator=Symbol(\\"Symbol.asyncIterator\\")));var o=function(){try{var o,i,u,f,c=[],h=!0,a=!1,l=r(function(){return function(r,f){try{var a=function(){o=function(n){var t;if(\\"undefined\\"!=typeof Symbol){if(Symbol.asyncIterator&&null!=(t=n[Symbol.asyncIterator]))return t.call(n);if(Symbol.iterator&&null!=(t=n[Symbol.iterator]))return t.call(n)}throw new TypeError(\\"Object is not async iterable\\")}([1,2]);var r=function(r,o,i){for(var u;;){var f=r();if(e(f)&&(f=f.v),!f)return c;if(f.then){u=0;break}var c=i();if(c&&c.then){if(!e(c)){u=1;break}c=c.s}if(o){var h=o();if(h&&h.then&&!e(h)){u=2;break}}}var a=new n,l=t.bind(null,a,2);return(0===u?f.then(s):1===u?c.then(v):h.then(d)).then(void 0,l),a;function v(n){c=n;do{if(o&&(h=o())&&h.then&&!e(h))return void h.then(d).then(void 0,l);if(!(f=r())||e(f)&&!f.v)return void t(a,1,c);if(f.then)return void f.then(s).then(void 0,l);e(c=i())&&(c=c.v)}while(!c||!c.then);c.then(v).then(void 0,l)}function s(n){n?(c=i())&&c.then?c.then(v).then(void 0,l):v(c):t(a,1,c)}function d(){(f=r())?f.then?f.then(s).then(void 0,l):s(f):t(a,1,c)}}(function(){return!!Promise.resolve(o.next()).then(function(n){return h=i.done,i=n,Promise.resolve(i.value).then(function(n){return u=n,!h})})},function(){return!!(h=!0)},function(){c.push(u)});if(r&&r.then)return r.then(function(){})}()}catch(n){return f(n)}return a&&a.then?a.then(void 0,f):a}(0,function(n){a=!0,f=n})},function(n,t){function e(e){if(n)throw t;return t}var i=r(function(){var n=function(){if(!h&&null!=o.return)return Promise.resolve(o.return()).then(function(){})}();if(n&&n.then)return n.then(function(){})},function(n,t){if(a)throw f;if(n)throw t;return t});return i&&i.then?i.then(e):e()});return Promise.resolve(l&&l.then?l.then(function(n){return c}):c)}catch(n){return Promise.reject(n)}};return o().then(console.log),o});
+"!function(n,t){\\"object\\"==typeof exports&&\\"undefined\\"!=typeof module?module.exports=t():\\"function\\"==typeof define&&define.amd?define(t):(n=n||self).esnextTs=t()}(this,function(){function n(t,r,i){if(!t.s){if(i instanceof e){if(!i.s)return void(i.o=n.bind(null,t,r));1&r&&(r=i.s),i=i.v}if(i&&i.then)return void i.then(n.bind(null,t,r),n.bind(null,t,2));t.s=r,t.v=i;var o=t.o;o&&o(t)}}var t=function(){try{var t,o,u,f,h=[],c=!0,v=!1,a=i(function(){return function(i,f){try{var v=function(){t=function(n){var t;if(\\"undefined\\"!=typeof Symbol){if(Symbol.asyncIterator&&null!=(t=n[Symbol.asyncIterator]))return t.call(n);if(Symbol.iterator&&null!=(t=n[Symbol.iterator]))return t.call(n)}throw new TypeError(\\"Object is not async iterable\\")}([1,2]);var i=function(t,i,o){for(var u;;){var f=t();if(r(f)&&(f=f.v),!f)return h;if(f.then){u=0;break}var h=o();if(h&&h.then){if(!r(h)){u=1;break}h=h.s}if(i){var c=i();if(c&&c.then&&!r(c)){u=2;break}}}var v=new e,a=n.bind(null,v,2);return(0===u?f.then(s):1===u?h.then(l):c.then(d)).then(void 0,a),v;function l(e){h=e;do{if(i&&(c=i())&&c.then&&!r(c))return void c.then(d).then(void 0,a);if(!(f=t())||r(f)&&!f.v)return void n(v,1,h);if(f.then)return void f.then(s).then(void 0,a);r(h=o())&&(h=h.v)}while(!h||!h.then);h.then(l).then(void 0,a)}function s(t){t?(h=o())&&h.then?h.then(l).then(void 0,a):l(h):n(v,1,h)}function d(){(f=t())?f.then?f.then(s).then(void 0,a):s(f):n(v,1,h)}}(function(){return!!Promise.resolve(t.next()).then(function(n){return c=o.done,o=n,Promise.resolve(o.value).then(function(n){return u=n,!c})})},function(){return!!(c=!0)},function(){h.push(u)});if(i&&i.then)return i.then(function(){})}()}catch(n){return f(n)}return v&&v.then?v.then(void 0,f):v}(0,function(n){v=!0,f=n})},function(n,e){function r(t){if(n)throw e;return e}var o=i(function(){var n=function(){if(!c&&null!=t.return)return Promise.resolve(t.return()).then(function(){})}();if(n&&n.then)return n.then(function(){})},function(n,t){if(v)throw f;if(n)throw t;return t});return o&&o.then?o.then(r):r()});return Promise.resolve(a&&a.then?a.then(function(n){return h}):h)}catch(n){return Promise.reject(n)}},e=function(){function t(){}return t.prototype.then=function(e,r){var i=new t,o=this.s;if(o){var u=1&o?e:r;if(u){try{n(i,1,u(this.v))}catch(t){n(i,2,t)}return i}return this}return this.o=function(t){try{var o=t.v;1&t.s?n(i,1,e?e(o):o):r?n(i,1,r(o)):n(i,2,o)}catch(t){n(i,2,t)}},i},t}();function r(n){return n instanceof e&&1&n.s}function i(n,t){try{var e=n()}catch(n){return t(!0,n)}return e&&e.then?e.then(t.bind(null,!1),t.bind(null,!0)):t(!1,e)}return t().then(console.log),t});
 //# sourceMappingURL=esnext-ts.umd.js.map
 "
 `;