"use strict";(self.webpackChunkwebsite=self.webpackChunkwebsite||[]).push([[78205],{3905:(e,t,r)=>{r.d(t,{Zo:()=>s,kt:()=>d});var n=r(67294);function a(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}function p(e,t){var r=Object.keys(e);if(Object.getOwnPropertySymbols){var n=Object.getOwnPropertySymbols(e);t&&(n=n.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),r.push.apply(r,n)}return r}function l(e){for(var t=1;t=0||(a[r]=e[r]);return a}(e,t);if(Object.getOwnPropertySymbols){var p=Object.getOwnPropertySymbols(e);for(n=0;n=0||Object.prototype.propertyIsEnumerable.call(e,r)&&(a[r]=e[r])}return a}var o=n.createContext({}),i=function(e){var t=n.useContext(o),r=t;return e&&(r="function"==typeof e?e(t):l(l({},t),e)),r},s=function(e){var t=i(e.components);return n.createElement(o.Provider,{value:t},e.children)},c={inlineCode:"code",wrapper:function(e){var t=e.children;return n.createElement(n.Fragment,{},t)}},m=n.forwardRef((function(e,t){var r=e.components,a=e.mdxType,p=e.originalType,o=e.parentName,s=u(e,["components","mdxType","originalType","parentName"]),m=i(r),d=a,y=m["".concat(o,".").concat(d)]||m[d]||c[d]||p;return r?n.createElement(y,l(l({ref:t},s),{},{components:r})):n.createElement(y,l({ref:t},s))}));function d(e,t){var r=arguments,a=t&&t.mdxType;if("string"==typeof e||a){var p=r.length,l=new Array(p);l[0]=m;var u={};for(var o in t)hasOwnProperty.call(t,o)&&(u[o]=t[o]);u.originalType=e,u.mdxType="string"==typeof e?e:a,l[1]=u;for(var i=2;i{r.r(t),r.d(t,{assets:()=>i,contentTitle:()=>u,default:()=>m,frontMatter:()=>l,metadata:()=>o,toc:()=>s});r(67294);var n=r(3905);function a(){return a=Object.assign||function(e){for(var t=1;t=0||(a[r]=e[r]);return a}(e,t);if(Object.getOwnPropertySymbols){var p=Object.getOwnPropertySymbols(e);for(n=0;n=0||Object.prototype.propertyIsEnumerable.call(e,r)&&(a[r]=e[r])}return a}const l={sidebar_label:"Puppeteer.registerCustomQueryHandler"},u="Puppeteer.registerCustomQueryHandler() method",o={unversionedId:"api/puppeteer.puppeteer.registercustomqueryhandler",id:"version-19.9.1/api/puppeteer.puppeteer.registercustomqueryhandler",title:"Puppeteer.registerCustomQueryHandler() method",description:"Registers a custom query handler.",source:"@site/versioned_docs/version-19.9.1/api/puppeteer.puppeteer.registercustomqueryhandler.md",sourceDirName:"api",slug:"/api/puppeteer.puppeteer.registercustomqueryhandler",permalink:"/api/puppeteer.puppeteer.registercustomqueryhandler",draft:!1,tags:[],version:"19.9.1",frontMatter:{sidebar_label:"Puppeteer.registerCustomQueryHandler"},sidebar:"api",previous:{title:"Puppeteer.customQueryHandlerNames",permalink:"/api/puppeteer.puppeteer.customqueryhandlernames"},next:{title:"Puppeteer.unregisterCustomQueryHandler",permalink:"/api/puppeteer.puppeteer.unregistercustomqueryhandler"}},i={},s=[{value:"Signature:",id:"signature",level:4},{value:"Parameters",id:"parameters",level:2},{value:"Remarks",id:"remarks",level:2},{value:"Example",id:"example",level:2}],c={toc:s};function m(e){var{components:t}=e,r=p(e,["components"]);return(0,n.kt)("wrapper",a({},c,r,{components:t,mdxType:"MDXLayout"}),(0,n.kt)("h1",a({},{id:"puppeteerregistercustomqueryhandler-method"}),"Puppeteer.registerCustomQueryHandler() method"),(0,n.kt)("p",null,"Registers a ",(0,n.kt)("a",a({parentName:"p"},{href:"/api/puppeteer.customqueryhandler"}),"custom query handler"),"."),(0,n.kt)("h4",a({},{id:"signature"}),"Signature:"),(0,n.kt)("pre",null,(0,n.kt)("code",a({parentName:"pre"},{className:"language-typescript"}),"class Puppeteer {\n static registerCustomQueryHandler(\n name: string,\n queryHandler: CustomQueryHandler\n ): void;\n}\n")),(0,n.kt)("h2",a({},{id:"parameters"}),"Parameters"),(0,n.kt)("table",null,(0,n.kt)("thead",{parentName:"table"},(0,n.kt)("tr",{parentName:"thead"},(0,n.kt)("th",a({parentName:"tr"},{align:null}),"Parameter"),(0,n.kt)("th",a({parentName:"tr"},{align:null}),"Type"),(0,n.kt)("th",a({parentName:"tr"},{align:null}),"Description"))),(0,n.kt)("tbody",{parentName:"table"},(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",a({parentName:"tr"},{align:null}),"name"),(0,n.kt)("td",a({parentName:"tr"},{align:null}),"string"),(0,n.kt)("td",a({parentName:"tr"},{align:null}),"The name that the custom query handler will be registered under.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",a({parentName:"tr"},{align:null}),"queryHandler"),(0,n.kt)("td",a({parentName:"tr"},{align:null}),(0,n.kt)("a",a({parentName:"td"},{href:"/api/puppeteer.customqueryhandler"}),"CustomQueryHandler")),(0,n.kt)("td",a({parentName:"tr"},{align:null}),"The ",(0,n.kt)("a",a({parentName:"td"},{href:"/api/puppeteer.customqueryhandler"}),"custom query handler")," to register.")))),(0,n.kt)("p",null,(0,n.kt)("strong",{parentName:"p"},"Returns:")),(0,n.kt)("p",null,"void"),(0,n.kt)("h2",a({},{id:"remarks"}),"Remarks"),(0,n.kt)("p",null,"After registration, the handler can be used everywhere where a selector is expected by prepending the selection string with ",(0,n.kt)("inlineCode",{parentName:"p"},"/"),". The name is only allowed to consist of lower- and upper case latin letters."),(0,n.kt)("h2",a({},{id:"example"}),"Example"),(0,n.kt)("pre",null,(0,n.kt)("code",a({parentName:"pre"},{}),"puppeteer.registerCustomQueryHandler('text', { \u2026 });\nconst aHandle = await page.$('text/\u2026');\n")))}m.isMDXComponent=!0}}]);