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@zyf2e/mitojs

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A SDK for monitoring browser errors

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<!doctype html> <html lang="en"> <head> <title>Code coverage report for utils/browser.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../prettify.css" /> <link rel="stylesheet" href="../base.css" /> <link rel="shortcut icon" type="image/x-icon" href="../favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="../index.html">All files</a> / <a href="index.html">utils</a> browser.ts</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> <span class="strong">63.89% </span> <span class="quiet">Statements</span> <span class='fraction'>46/72</span> </div> <div class='fl pad1y space-right2'> <span class="strong">45.33% </span> <span class="quiet">Branches</span> <span class='fraction'>34/75</span> </div> <div class='fl pad1y space-right2'> <span class="strong">75% </span> <span class="quiet">Functions</span> <span class='fraction'>3/4</span> </div> <div class='fl pad1y space-right2'> <span class="strong">63.77% </span> <span class="quiet">Lines</span> <span class='fraction'>44/69</span> </div> </div> <p class="quiet"> Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block. </p> </div> <div class='status-line medium'></div> <pre><table class="coverage"> <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a> <a name='L2'></a><a href='#L2'>2</a> <a name='L3'></a><a href='#L3'>3</a> <a name='L4'></a><a href='#L4'>4</a> <a name='L5'></a><a href='#L5'>5</a> <a name='L6'></a><a href='#L6'>6</a> <a name='L7'></a><a href='#L7'>7</a> <a name='L8'></a><a href='#L8'>8</a> <a name='L9'></a><a href='#L9'>9</a> <a name='L10'></a><a href='#L10'>10</a> <a name='L11'></a><a href='#L11'>11</a> <a name='L12'></a><a href='#L12'>12</a> <a name='L13'></a><a 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cline-neutral">&nbsp;</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">import { EVENTTYPES, ERRORTYPES } from '../common/constant' import { getLocationHref, getTimestamp } from './helpers' import { setFlag } from './global' import { ReportDataType, InitOptions } from '../types/index' import { Severity } from './Severity' &nbsp; /** * 返回包含id、class、innerTextde字符串的标签 * @param target html节点 */ export function htmlElementAsString(target: HTMLElement): string { const tagName = target.tagName.toLowerCase() if (tagName === 'body') { return null } let classNames = target.classList.value classNames = classNames !== '' ? ` class="${classNames}"` : <span class="branch-1 cbranch-no" title="branch not covered" >''</span> const id = target.id ? ` id="${target.id}"` : <span class="branch-1 cbranch-no" title="branch not covered" >''</span> const innerText = target.innerText return `&lt;${tagName}${id}${classNames !== '' ? classNames : <span class="branch-1 cbranch-no" title="branch not covered" >''}</span>&gt;${innerText}&lt;/${tagName}&gt;` } &nbsp; /** * 将地址字符串转换成对象 * @returns 返回一个对象 */ export function parseUrlToObj( url: string ): { host?: string path?: string protocol?: string relative?: string } { if (!url) { return {} } &nbsp; const match = url.match(/^(([^:\/?#]+):)?(\/\/([^\/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?$/) &nbsp; <span class="missing-if-branch" title="if path not taken" >I</span>if (!match) { <span class="cstat-no" title="statement not covered" > return {}</span> } &nbsp; const query = match[6] || <span class="branch-1 cbranch-no" title="branch not covered" >''</span> const fragment = match[8] || '' return { host: match[4], path: match[5], protocol: match[2], relative: match[5] + query + fragment // everything minus origin } } &nbsp; export function <span class="fstat-no" title="function not covered" >setSilentFlag(<span class="cstat-no" title="statement not covered" ></span>opitons: InitOptions = {}): void {</span> <span class="cstat-no" title="statement not covered" > setFlag(EVENTTYPES.XHR, !!opitons.silentXhr)</span> <span class="cstat-no" title="statement not covered" > setFlag(EVENTTYPES.FETCH, !!opitons.silentFetch)</span> <span class="cstat-no" title="statement not covered" > setFlag(EVENTTYPES.CONSOLE, !!opitons.silentConsole)</span> <span class="cstat-no" title="statement not covered" > setFlag(EVENTTYPES.DOM, !!opitons.silentDom)</span> <span class="cstat-no" title="statement not covered" > setFlag(EVENTTYPES.HISTORY, !!opitons.silentHistory)</span> <span class="cstat-no" title="statement not covered" > setFlag(EVENTTYPES.ERROR, !!opitons.silentError)</span> <span class="cstat-no" title="statement not covered" > setFlag(EVENTTYPES.HASHCHANGE, !!opitons.silentHashchange)</span> <span class="cstat-no" title="statement not covered" > setFlag(EVENTTYPES.UNHANDLEDREJECTION, !!opitons.silentUnhandledrejection)</span> <span class="cstat-no" title="statement not covered" > setFlag(EVENTTYPES.VUE, !!opitons.silentVue)</span> } &nbsp; /** * 解析error的stack,并返回args、column、line、func、url: * @param ex * @param level */ export function extractErrorStack(ex: any, level: Severity): ReportDataType { const normal = { time: getTimestamp(), url: getLocationHref(), name: ex.name, level, message: ex.message } <span class="missing-if-branch" title="if path not taken" >I</span>if (typeof ex.stack === 'undefined' || !ex.stack) { <span class="cstat-no" title="statement not covered" > return normal</span> } &nbsp; const chrome = /^\s*at (.*?) ?\(((?:file|https?|blob|chrome-extension|native|eval|webpack|&lt;anonymous&gt;|[a-z]:|\/).*?)(?::(\d+))?(?::(\d+))?\)?\s*$/i, gecko = /^\s*(.*?)(?:\((.*?)\))?(?:^|@)((?:file|https?|blob|chrome|webpack|resource|\[native).*?|[^@]*bundle)(?::(\d+))?(?::(\d+))?\s*$/i, winjs = /^\s*at (?:((?:\[object object\])?.+) )?\(?((?:file|ms-appx|https?|webpack|blob):.*?):(\d+)(?::(\d+))?\)?\s*$/i, // Used to additionally parse URL/line/column from eval frames geckoEval = /(\S+) line (\d+)(?: &gt; eval line \d+)* &gt; eval/i, chromeEval = /\((\S*)(?::(\d+))(?::(\d+))\)/, lines = ex.stack.split('\n'), stack = [] &nbsp; let submatch, parts, element // reference = /^(.*) is undefined$/.exec(ex.message) &nbsp; for (let i = 0, j = lines.length; i &lt; j; ++i) { if ((parts = chrome.exec(lines[i]))) { const isNative = parts[2] &amp;&amp; parts[2].indexOf('native') === 0 // start of line const isEval = parts[2] &amp;&amp; parts[2].indexOf('eval') === 0 // start of line <span class="missing-if-branch" title="if path not taken" >I</span>if (isEval &amp;&amp; (<span class="branch-1 cbranch-no" title="branch not covered" >submatch = chromeEval.exec(parts[2]))</span>) { // throw out eval line/column and use top-most line/column number <span class="cstat-no" title="statement not covered" > parts[2] = submatch[1] /</span>/ url <span class="cstat-no" title="statement not covered" > parts[3] = submatch[2] /</span>/ line <span class="cstat-no" title="statement not covered" > parts[4] = submatch[3] /</span>/ column } element = { url: !isNative ? parts[2] : <span class="branch-1 cbranch-no" title="branch not covered" >null,</span> func: parts[1] || <span class="branch-1 cbranch-no" title="branch not covered" >ERRORTYPES.UNKNOWN_FUNCTION,</span> args: isNative ? <span class="branch-0 cbranch-no" title="branch not covered" >[parts[2]] </span>: [], line: parts[3] ? +parts[3] : null, column: parts[4] ? +parts[4] : null } } else <span class="missing-if-branch" title="if path not taken" >I</span>if ((parts = winjs.exec(lines[i]))) { <span class="cstat-no" title="statement not covered" > element = {</span> url: parts[2], func: parts[1] || ERRORTYPES.UNKNOWN_FUNCTION, args: [], line: +parts[3], column: parts[4] ? +parts[4] : null } } else <span class="missing-if-branch" title="if path not taken" >I</span>if ((parts = gecko.exec(lines[i]))) { const isEval = <span class="cstat-no" title="statement not covered" >parts[3] &amp;&amp; parts[3].indexOf(' &gt; eval') &gt; -1</span> <span class="cstat-no" title="statement not covered" > if (isEval &amp;&amp; (submatch = geckoEval.exec(parts[3]))) {</span> // throw out eval line/coluqqqqqqqqqqqqqqqqqqqqqqqqqqqqmn and use top-most line number <span class="cstat-no" title="statement not covered" > parts[3] = submatch[1]</span> <span class="cstat-no" title="statement not covered" > parts[4] = submatch[2]</span> <span class="cstat-no" title="statement not covered" > parts[5] = null /</span>/ no column when eval } else <span class="cstat-no" title="statement not covered" >if (i === 0 &amp;&amp; !parts[5] &amp;&amp; typeof ex.columnNumber !== 'undefined') {</span> // FireFox uses this awesome columnNumber property for its top frame // Also note, Firefox's column number is 0-based and everything else expects 1-based, // so adding 1 // NOTE: this hack doesn't work if top-most frame is eval <span class="cstat-no" title="statement not covered" > stack[0].column = ex.columnNumber + 1</span> } <span class="cstat-no" title="statement not covered" > element = {</span> url: parts[3], func: parts[1] || ERRORTYPES.UNKNOWN_FUNCTION, args: parts[2] ? parts[2].split(',') : [], line: parts[4] ? +parts[4] : null, column: parts[5] ? +parts[5] : null } } else { continue } &nbsp; <span class="missing-if-branch" title="if path not taken" >I</span>if (!element.func &amp;&amp; <span class="branch-1 cbranch-no" title="branch not covered" >element.line)</span> { <span class="cstat-no" title="statement not covered" > element.func = ERRORTYPES.UNKNOWN_FUNCTION</span> } &nbsp; stack.push(element) } &nbsp; <span class="missing-if-branch" title="if path not taken" >I</span>if (!stack.length) { <span class="cstat-no" title="statement not covered" > return null</span> } return { ...normal, stack: stack } } &nbsp;</pre></td></tr></table></pre> <div 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