我使用從cycle.js的例子如何使用打字稿使用webpack?
MyScript.ts
import { run } from '@cycle/run';
import {makeDOMDriver, div, button} from '@cycle/dom';
import _ from 'lodash';
import xs from 'xstream';
function main (sources) {
console.log('Hello World');
const add$ = sources.DOM
.select('.add')
.events('click')
.map(ev => 1);
const count$ = add$.fold((total, change) => total + change, 0);
return {
DOM: count$.map(count =>
div('.counter', [
'Count: ' + count,
button('.add', 'Add')
])
)
};
}
const drivers = {
DOM: makeDOMDriver('.app')
}
run(main, drivers);
當我編譯我的項目,它創建MyScripts.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var run_1 = require("@cycle/run");
var dom_1 = require("@cycle/dom");
function main(sources) {
console.log('Hello World');
var add$ = sources.DOM
.select('.add')
.events('click')
.map(function (ev) { return 1; });
var count$ = add$.fold(function (total, change) { return total + change; }, 0);
return {
DOM: count$.map(function (count) {
return dom_1.div('.counter', [
'Count: ' + count,
dom_1.button('.add', 'Add')
]);
})
};
}
var drivers = {
DOM: dom_1.makeDOMDriver('.app')
};
run_1.run(main, drivers);
//# sourceMappingURL=MyScript.js.map
當我檢查的頁面鉻我得到
Uncaught ReferenceError: exports is not defined
MyScript.js行2
這個答案說我可能需要webpack。
gulp babel, exports is not defined
如何加載webpack?是不是像<script type='javascript' src='webpack' >
的WebPack是構建工具,將您的Javascript代碼編譯爲瀏覽器就緒(網頁打包)代碼。瀏覽器不會(也不應該)知道如何處理導入語句。進口/出口僅用於組織您的源代碼。你不需要webpack,你可以通過代碼作爲外部工具運行它。推薦閱讀:http://blog.andrewray.me/webpack-when-to-use-and-why/ –