176 lines
5.0 KiB
JavaScript
176 lines
5.0 KiB
JavaScript
import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
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import _typeof from "@babel/runtime/helpers/esm/typeof";
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/**
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* @author Kuitos
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* @homepage https://github.com/kuitos/
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* @since 2019-02-25
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* fork from https://github.com/systemjs/systemjs/blob/master/src/extras/global.js
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*/
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var isIE11 = typeof navigator !== 'undefined' && navigator.userAgent.indexOf('Trident') !== -1;
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function shouldSkipProperty(global, p) {
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if (!global.hasOwnProperty(p) || !isNaN(p) && p < global.length) return true;
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if (isIE11) {
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// https://github.com/kuitos/import-html-entry/pull/32,最小化 try 范围
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try {
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return global[p] && typeof window !== 'undefined' && global[p].parent === window;
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} catch (err) {
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return true;
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}
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} else {
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return false;
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}
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} // safari unpredictably lists some new globals first or second in object order
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var firstGlobalProp, secondGlobalProp, lastGlobalProp;
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export function getGlobalProp(global) {
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var cnt = 0;
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var lastProp;
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var hasIframe = false;
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for (var p in global) {
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if (shouldSkipProperty(global, p)) continue; // 遍历 iframe,检查 window 上的属性值是否是 iframe,是则跳过后面的 first 和 second 判断
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for (var i = 0; i < window.frames.length && !hasIframe; i++) {
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var frame = window.frames[i];
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if (frame === global[p]) {
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hasIframe = true;
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break;
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}
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}
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if (!hasIframe && (cnt === 0 && p !== firstGlobalProp || cnt === 1 && p !== secondGlobalProp)) return p;
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cnt++;
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lastProp = p;
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}
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if (lastProp !== lastGlobalProp) return lastProp;
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}
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export function noteGlobalProps(global) {
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// alternatively Object.keys(global).pop()
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// but this may be faster (pending benchmarks)
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firstGlobalProp = secondGlobalProp = undefined;
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for (var p in global) {
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if (shouldSkipProperty(global, p)) continue;
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if (!firstGlobalProp) firstGlobalProp = p;else if (!secondGlobalProp) secondGlobalProp = p;
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lastGlobalProp = p;
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}
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return lastGlobalProp;
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}
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export function getInlineCode(match) {
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var start = match.indexOf('>') + 1;
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var end = match.lastIndexOf('<');
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return match.substring(start, end);
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}
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export function defaultGetPublicPath(entry) {
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if (_typeof(entry) === 'object') {
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return '/';
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}
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try {
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var _URL = new URL(entry, location.href),
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origin = _URL.origin,
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pathname = _URL.pathname;
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var paths = pathname.split('/'); // 移除最后一个元素
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paths.pop();
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return "".concat(origin).concat(paths.join('/'), "/");
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} catch (e) {
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console.warn(e);
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return '';
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}
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} // Detect whether browser supports `<script type=module>` or not
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export function isModuleScriptSupported() {
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var s = document.createElement('script');
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return 'noModule' in s;
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} // RIC and shim for browsers setTimeout() without it
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export var requestIdleCallback = window.requestIdleCallback || function requestIdleCallback(cb) {
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var start = Date.now();
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return setTimeout(function () {
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cb({
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didTimeout: false,
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timeRemaining: function timeRemaining() {
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return Math.max(0, 50 - (Date.now() - start));
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}
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});
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}, 1);
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};
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export function readResAsString(response, autoDetectCharset) {
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// 未启用自动检测
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if (!autoDetectCharset) {
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return response.text();
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} // 如果没headers,发生在test环境下的mock数据,为兼容原有测试用例
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if (!response.headers) {
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return response.text();
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} // 如果没返回content-type,走默认逻辑
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var contentType = response.headers.get('Content-Type');
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if (!contentType) {
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return response.text();
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} // 解析content-type内的charset
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// Content-Type: text/html; charset=utf-8
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// Content-Type: multipart/form-data; boundary=something
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// GET请求下不会出现第二种content-type
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var charset = 'utf-8';
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var parts = contentType.split(';');
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if (parts.length === 2) {
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var _parts$1$split = parts[1].split('='),
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_parts$1$split2 = _slicedToArray(_parts$1$split, 2),
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value = _parts$1$split2[1];
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var encoding = value && value.trim();
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if (encoding) {
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charset = encoding;
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}
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} // 如果还是utf-8,那么走默认,兼容原有逻辑,这段代码删除也应该工作
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if (charset.toUpperCase() === 'UTF-8') {
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return response.text();
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} // 走流读取,编码可能是gbk,gb2312等,比如sofa 3默认是gbk编码
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return response.blob().then(function (file) {
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return new Promise(function (resolve, reject) {
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var reader = new window.FileReader();
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reader.onload = function () {
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resolve(reader.result);
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};
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reader.onerror = reject;
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reader.readAsText(file, charset);
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});
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});
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}
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var evalCache = {};
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export function evalCode(scriptSrc, code) {
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var key = scriptSrc;
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if (!evalCache[key]) {
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var functionWrappedCode = "window.__TEMP_EVAL_FUNC__ = function(){".concat(code, "}");
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(0, eval)(functionWrappedCode);
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evalCache[key] = window.__TEMP_EVAL_FUNC__;
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delete window.__TEMP_EVAL_FUNC__;
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}
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var evalFunc = evalCache[key];
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evalFunc.call(window);
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} |