@techandsoftware/teletext-service - npm Package Compare versions

Comparing version 0.1.2 to 0.2.1

package.json

 {
   "name": "@techandsoftware/teletext-service",
-  "version": "0.1.2",
+  "version": "0.2.1",
   "description": "Teletext service API and web application to view pages and navigate between them",
@@ -8,4 +8,4 @@ "module": "public/dist/teletext-service.min.js",
   "scripts": {
-    "prestart": "npm run copyfonts",
-    "start": "rollup -c -w",
+    "predev": "npm run copyfonts",
+    "dev": "rollup -c -w",
     "build": "rollup -c rollup.prod.config.js",
@@ -27,3 +27,3 @@ "copyfonts": "cp -nr node_modules/@techandsoftware/teletext-fonts/* public/fonts",
     "@techandsoftware/teletext": "^0.12.0",
-    "@techandsoftware/teletext-caster": "^0.10.0",
+    "@techandsoftware/teletext-caster": "^0.10.1",
     "eslint": "^7.25.0",
@@ -37,3 +37,3 @@ "rollup": "^2.47.0",
     "public/index.html",
-    "public/dist",
+    "public/dist/teletext-service.min.*",
     "package.json.license"
@@ -40,0 +40,0 @@ ],

public/dist/teletext-service.min.js

 // SPDX-FileCopyrightText: (c) 2021 Tech and Software Ltd.
 // SPDX-FileCopyrightText: (c) 2017 dosaygo
 // SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-uk.ltd.TechAndSoftware-1.0
-// LicenseRef-uk.ltd.TechAndSoftware-1.0 refers to https://techandsoftware.robdev.org.uk/LICENSES/LicenseRef-uk.ltd.TechAndSoftware-1.0.txt
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0!==s&&(i[0]=this.ge(s)),this.setPageRows(i)}_e(){this.se.addEventListener("ttx.reveal",(()=>this.re.Vs())),this.se.addEventListener("ttx.mix",(()=>this.re.Ws())),this.se.addEventListener("ttx.subtitlemode",(()=>this.re.ri()))}toggleReveal(){this.re.Vs()}toggleMixMode(){this.re.Ws()}toggleBoxMode(){this.re.ri()}toggleGrid(){this.re.Zs()}setLevel(t){this.hs.fe(t)}addTo(t){this.Ie=t,this.re.ut(t)}setFont(t){this.re.Ks(t)}clearScreen(t){this.hs.ue(),this.hs.Ee(t)}setAspectRatio(t){if("natural"==t)return void this.re.si(t);const s=parseFloat(t);if(Number.isNaN(s))throw Error("E80 setAspectRatio: bad number");this.re.si(s)}setHeight(t){const s=parseFloat(t);if(Number.isNaN(s))throw Error("E98 setHeight: bad number");this.re.ii(s),this.ae=s}setDefaultG0Charset(t,s){if(null==t.match(/g0_/))throw Error("E130 setDefaultG0Charset: Bad g0 set");this.hs.Be(t,s)}setSecondG0Charset(t,s){if(null==t.match(/g0_/))throw Error("E136 setSecondG0Charset: Bad g0 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t="g2_"+i[1];t in W?this.ve=t:"hebrew"==i[1]&&(this.ve="g2_arabic")}s&&this.ls.te()}de(t,s){this.Ue=t,s&&this.ls.te()}Qe(t,s){this.ve=t,s&&this.ls.te()}ds(t){if(t>=25)throw Error("PageModel.getRow E42 bad rowNum");const s=new lt;let i,e,n=k.Pt,r=x.WHITE,h=!1,o=U.zt,a=!1,c=!1,l=!1,A=!1,g=x.BLACK,_=k.Mt,u={Hi:!1,Js:" ",vs:k.Mt},E=[];return At.includes(this.Re)&&(E=this.Fe.filter((s=>s.Wi==t))),this.Se[t].forEach(((C,I)=>{const f=C.Di,B=((t,s)=>{let i=null,e=null;return s in R&&M[this.Re].includes(s.charCodeAt(0))?s in j?(i=N.TEXT_COLOUR,e=R[s]):s in F?(i=N.MOSAIC_COLOUR,e=R[s]):i=R[s]:s.charCodeAt(0)<=31&&(i=N.Kt),{De:i,Ne:e}})(0,f);switch(i=r,C.vs=n,C.Rs=A,e=a,B.De!=N.STEADY&&(C.Ds=h),B.De!=N.NORMAL_SIZE&&(C.ft=o),B.De!=N.CONCEAL&&(C.Ys=c),l&&(B.De!=N.HOLD_MOSAICS&&(u.Hi=!1,u.Js=" "),l=!1),B.De){case N.TEXT_COLOUR:n=k.Pt,r=B.Ne,c=!1,C.Gi(u);break;case N.MOSAIC_COLOUR:n=_,r=B.Ne,c=!1,C.Gi(u);break;case N.NEW_BACKGROUND:g=i,C.Gi(u);break;case N.BLACK_BACKGROUND:g=x.BLACK,C.Gi(u);break;case N.CONTIGUOUS_GRAPHICS:_=k.Mt,C.vs==k.qt&&(C.vs=k.Mt),n==k.qt&&(n=k.Mt),C.Gi(u);break;case N.SEPARATED_GRAPHICS:_=k.qt,C.vs==k.Mt&&(C.vs=k.qt),n==k.Mt&&(n=k.qt),C.Gi(u);break;case N.ESC:this.Ue&&(a=!e),C.Gi(u);break;case N.FLASH:h=!0,C.Gi(u);break;case N.STEADY:C.Ds=!1,h=!1,C.Gi(u);break;case N.NORMAL_SIZE:C.ft=U.zt,o=U.zt,C.Gi(u);break;case N.DOUBLE_HEIGHT:o=U.Jt,s.Ns=!0,C.Gi(u);break;case N.DOUBLE_WIDTH:o=U.Yt,C.Gi(u);break;case N.DOUBLE_SIZE:o=U.Vt,s.Ns=!0,C.Gi(u);break;case N.CONCEAL:C.Ys=!0,c=!0,C.Gi(u);break;case N.HOLD_MOSAICS:u.Hi=!0,C.Gi(u);break;case N.RELEASE_MOSAICS:l=!0,C.Gi(u);break;case N.START_BOX:I>=1&&this.Se[t][I-1].Di==this.ke&&(C.Rs=!0,A=!0),C.Gi(u);break;case N.END_BOX:A=!1,C.Gi(u);break;case N.Kt:C.Gi(u);break;default:C.Ni(e?this.Ue:this.xe),C.ji()&&(u.Js=f,u.vs=C.vs)}C.xs=i,C.ws=g,E.filter((t=>t.Xi==I)).forEach((t=>{const s=new it(C);C=s,"g0"==t.vs?(C.Di=t.Js,C.Oi=t.Oi,C.vs=k.Pt,C.Ni(e?this.Ue:this.xe)):"g1"==t.vs?this.Re==H[2.5]&&(C.Di=t.Js,C.vs=_,C.Ni()):"g2"==t.vs?(C.Di=t.Js,C.vs=k.Pt,C.Ni(this.ve)):"g3"==t.vs?(this.Re!=H[1.5]||-1!="Q[\\]".indexOf(t.Js))&&(C.Di=t.Js,C.vs=k.Tt,C.Ni()):"char"==t.vs&&(C.Pi=t.Js,C.vs=k.Pt)})),s.we(C)})),s}$i(t){this.Fe=t}ue(){this.Fe=[]}};class _t{constructor(){this.Oe=null,this.je=null}async fetchPage(t){const s=t.match(/([1-8])[0-9A-Fa-f]{2}/)[1];if(this.Oe!=s)try{const t=await fetch(s+".json");t.ok&&(this.je=await t.json(),this.Oe=s)}catch(t){}return this.Oe==s&&t in this.je.pages?this.je.pages[t]:null}}class ut{constructor(t){this.Ge=t,this.Pe=["Sun","Mon","Tue","Wed","Thu","Fri","Sat"],this.He=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"]}Me(){const t=new Date;return{"%%a":this.Pe[t.getDay()],"%%b":this.He[t.getMonth()],"%d":(t.getDate()+"").padStart(2,0),"%e":(t.getDate()+"").padStart(2," "),"%m":(t.getMonth()+1+"").padStart(2," "),"%y":(t.getFullYear()+"").substring(2,2),"%H":(t.getHours()+"").padStart(2,0),"%M":(t.getMinutes()+"").padStart(2,0),"%S":(t.getSeconds()+"").padStart(2,0)}}qe(t){const s=this.Me();let i=this.Ge;for(const t of Object.keys(s))i=i.replace(t,s[t]);return void 0!==t&&(i=i.replace("%%#",t)),i}}class Et{constructor(t){if("object"!=typeof t)throw Error("E8 Service.constructor: options object required");if(!("DOMSelector"in t))throw Error("E9 Service.constructor DOMSelector property required");this.Te="caster"in t?t.caster:null,this.Je="defaultG0Charset"in t?t.defaultG0Charset:"g0_latin",this.Xe=new ut("header"in t?t.header:"       %%#  %%a %e %%b C%H:%M/%S"),this.ze="fetcher"in t?t.fetcher:new _t,this.Ye=new at(gt,void 0),this.Ye.setDefaultG0Charset(this.Je),this.Ye.setLevel(H[1.5]),this.Ye.addTo(t.DOMSelector),this.Ve=null,this.Ze=null,this.Ke=0,this.We=null}get teletextInstance(){return this.Ye}async showPage(t){if("number"==typeof t&&(t+=""),null==t.match(/^[1-8][0-9A-Fa-f]{2}$/))return null;const s=await this.ze.fetchPage(t);if(null!=s){const i=this.$e(s);if(null!=i)return this.Ve=s,this.Ze=t,this.Ke=i,this.tn(),this.sn()}return null}showLink(t){return null!=this.We&&t in this.We?this.showPage(this.We[t]):Promise.resolve(null)}$e(t){const s=t.subpages;for(let t=0;t<s.length;t++)if(null!=s[t])return t;return null}nextSubPage(){const t=this.Ve.subpages;let s=this.Ke,i=!1;for(;!i&&(s++,s==t.length&&(s=0),s!=this.Ke);)null!=t[s]&&(i=!0);return i&&(this.Ke=s,this.tn()),this.sn()}previousSubPage(){const t=this.Ve.subpages;let s=this.Ke,i=!1;for(;!i&&(s--,-1==s&&(s=t.length-1),s!=this.Ke);)null!=t[s]&&(i=!0);return i&&(this.Ke=s,this.tn()),this.sn()}sn(){return{pageNumber:this.Ze,subPage:this.Ke,numSubPages:this.Ve.subpages.filter((t=>null!=t)).length,fastext:this.We}}tn(){const t=this.Ve.subpages[this.Ke],s="encoding"in t?t.encoding:this.Je,i=this.Xe.qe(this.Ze);let e={defaultG0Charset:s,header:i};if(this.Ye.clearScreen(!1),this.Ye.setDefaultG0Charset(s,!1),"ouputLines"in t){const s=t.outputLines.split("\n");this.Ye.setPageFromOutputLines(s,i),e.outputLines=s}else if("packed"in t){const s=t.packed;this.Ye.loadPageFromEncodedString(s,i),e.packed=s}else e=null;e&&this.Te&&this.Te.display(e),this.We="fastext"in t?t.fastext:null}}class Ct{constructor(t){this.t=t,this.i=[]}attach(t){this.i.push(t)}notify(t){this.i.forEach(((s,i)=>this.i[i](this.t,t)))}}const It=new class{constructor(){this.available=new Ct(this),this.castStateChanged=new Ct(this)}o(){if("undefined"==typeof cast)return;const t={receiverApplicationId:"000F65B3",autoJoinPolicy:chrome.cast.AutoJoinPolicy.ORIGIN_SCOPED};this.h=cast.framework.CastContext.getInstance(),this.h.setOptions(t),this.l=new cast.framework.RemotePlayer,this.u=new cast.framework.RemotePlayerController(this.l),this.h.addEventListener(cast.framework.CastContextEventType.CAST_STATE_CHANGED,(()=>this.castStateChanged.notify())),this.available.notify(),this.castStateChanged.notify()}async display(t){if(!this.m())return;const s=this.g();this.u.stop();const i=new chrome.cast.media.MediaInfo("https://teletextforchromecast.robdev.org.uk/250-milliseconds-of-silence.mp3","audio/mpeg3");i.entity=t;const e=new chrome.cast.media.LoadRequest(i);try{await s.loadMedia(e)}catch(t){}}getCastState(){return this.h.getCastState()}clearScreen(){this.p("clear")}toggleGrid(){this.p("grid")}toggleReveal(){this.p("reveal")}toggleMixMode(){this.p("mix")}toggleBoxMode(){this.p("box")}setSmoothMosaics(){this.p("smoothmosaic")}setBlockMosaics(){this.p("blockmosaic")}async p(t){if(!this.m())return;const s=this.g();try{await s.sendMessage("urn:x-cast:uk.ltd.techandsoftware.teletext",`"${t}"`)}catch(t){}}m(){return"object"==typeof this.l&&this.l.isConnected}g(){return this.h.getCurrentSession()}};let ft=0;function Bt(){window.setTimeout((()=>{"undefined"==typeof cast?(ft++,ft<10&&Bt()):It.o()}),500)}window.__onGCastApiAvailable=t=>{t&&("undefined"==typeof cast?Bt():It.o())};const Qt=["sans-serif","Bedstead","native","serif","Unscii","monospace","cursive"],dt=["classic__graphic-for-mosaic","classic__font-for-mosaic"];class bt{constructor(t){const s={defaultG0Charset:"g0_latin__english",header:"FAXFAX %%#  %%a %e %%b C%H:%M/%S",caster:It,DOMSelector:"#teletextscreen"};let i="",e=!1;if("object"==typeof t){for(const i of["defaultG0Charset","header","DOMSelector"])i in t&&(s[i]=t[i]);"frontPage"in t&&("number"==typeof t.frontPage?i=t.frontPage+"":"string"==typeof t.frontPage&&(i=t.frontPage)),"smoothMosaics"in t&&t.smoothMosaics&&(e=!0)}""==i&&(i="100"),this.en=new Et(s),this.Ze=3==i.length?i:"XXX",this.nn=0,this.rn=0,It.available.attach((()=>this.hn.call(this))),It.castStateChanged.attach((()=>this.on.call(this))),this.an(),e&&this.cn(),this.ln()}on(){const t=It.getCastState(),s=document.querySelector("#castOuter");switch(t){case"NO_DEVICES_AVAILABLE":s.title="Cast to Chromecast - no devices available",s.style.cursor="default";break;case"NOT_CONNECTED":s.title="Cast to Chromecast",s.style.cursor="pointer";break;case"CONNECTING":break;case"CONNECTED":this.ln(),this.An&&It.setSmoothMosaics()}}hn(){document.querySelector("#castOuter").style.display="inline-block"}an(){window.addEventListener("keydown",(t=>yt.call(this,t))),window.addEventListener("DOMContentLoaded",(()=>{document.querySelector("#revealButton").addEventListener("click",(()=>this.gn())),document.querySelector("#mixButton").addEventListener("click",(()=>this._n()));for(const t of["red","green","yellow","blue","index"])document.querySelector("#"+t).addEventListener("click",(()=>this.un(t)));document.querySelectorAll("[data-num]").forEach((t=>t.addEventListener("click",(()=>this.En(t.dataset.num))))),document.querySelector("#left").addEventListener("click",(()=>this.Cn())),document.querySelector("#right").addEventListener("click",(()=>this.In())),document.querySelector("#helpicon").addEventListener("click",(()=>this.fn()))}))}gn(){window.dispatchEvent(new Event("ttx.reveal")),It.toggleReveal()}_n(){window.dispatchEvent(new Event("ttx.mix")),It.toggleMixMode()}En(t){this.Ze=3==(this.Ze+"").length?t:this.Ze+""+t,this.Bn(),3==(this.Ze+"").length&&this.ln()}Bn(){document.querySelector("#pageNumber").innerHTML=this.Ze}Qn(){this.Ze="XXX",document.querySelector("#pageNumber").innerHTML="- - -",document.querySelector("#subpage").style.visibility="hidden"}async ln(){if(null!=this.Ze.match(/[1-8][0-9A-Fa-f]{2}/)){const t=await this.en.showPage(this.Ze);this.tn(t)}}In(){const t=this.en.nextSubPage();this.tn(t)}Cn(){const t=this.en.previousSubPage();this.tn(t)}tn(t){null!=t&&(this.Ze=t.pageNumber,this.Bn(),this.dn(t),this.bn(t),this.yn())}yn(){document.activeElement.disabled&&document.activeElement.blur()}dn(t){const s=document.querySelector("#subpage");null!=t&&t.numSubPages>1?(s.innerHTML=`${t.subPage} of ${t.numSubPages}`,s.style.visibility="visible",document.querySelectorAll("#lrnav button").forEach((t=>t.disabled=!1))):(s.style.visibility="hidden",document.querySelectorAll("#lrnav button").forEach((t=>t.disabled=!0)))}bn(t){const s=null!=t?t.fastext:{};for(const t of["red","green","yellow","blue","index"]){let i=!0;null!=s&&t in s&&(i=!1),document.querySelector("#"+t).disabled=i}}async un(t){const s=await this.en.showLink(t);this.tn(s)}mn(){for(const t of["red","green","yellow","blue","index","left","right"])document.querySelector("#"+t).disabled=!0}fn(){this.Qn(),this.mn();const t=this.en.teletextInstance;t.setDefaultG0Charset("g0_latin__english",!1),t.loadPageFromEncodedString("OoECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECA6RQIECBAgQYOHDhw4cOHDhw4cOHDhw4cOHBAgQIECBAgQIDo0igQIECBBqAy8vnFvw8siDHv3dOW_ZzI_2qBAgQIECBAgQIECBAgQIEHdAgQIECBAgQIECDjz9IECBAgQIECBAgQIECA6RQIECBAgQIl69evXr169evXr169evXr169KgQIECBAgQIDqBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgOhECCTmQed_VBow9sqDCg15fOLfh5ZFiDrzyoOmjKgQIECA6EQIN3Xbiy8kGvL55oMO7Ig6aMqDXl880GLLs390CBAgQIDoFAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgOlNSNGjRo0aNGjRo0aNGjRo0aNGjRo0aNGjRo0aNGjR_2iA6U1BECBA_QIECCll7ZcOxAgQIECBAgQIECBAUQIECBB_aoDpTUEQIEG1AgQIJunwgQIECBAgQIECBAgQIEBRAgQIEH9qgOlNQRAgQW0CBAgocsvbTv680HPri4Yc-VAgQFECBAgQf2qA6U1BECBBdQIECCdl8dEHPri4Yc-VAgQIECAogQIECBB_aoDpTUE5L86_yvxIIe_Zv68kGLr06b93NAgQIEBRAgQIEH9qgOlNQRAgQaUCBAgk7smXwgxdenTfuQIECBAgQFECBAgQf2qA6U1BECBB0QIECCpl5ctObTjQZ-WHho04-aDfuX782Yp_aoDpTUEQIEGZAgQII2_d0Qc--npj0IECBAgQIEBRAgQIEH9qgOlNSBAgQIECBAgQIECBAgQIECBAgQIECBAgQFECBAgQf2qA6URL169evXr169evXr169evXr169evXr169evXr169evSoDqBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgOoECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECA6gQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIDqBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgOoECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECA")}wn(){const t=Math.floor(360*Math.random()),s=Math.floor(360*Math.random());document.body.style.background=`linear-gradient(${s}deg, hsl(${t} 100% 7%) 0%, hsl(${t} 83% 52%) 86%, hsl(${t} 100% 85%) 100%)`}async cn(){if(this.An)this.en.teletextInstance.setView(dt[this.rn]),this.An=!1,It.setBlockMosaics();else if(0==this.rn)try{const t=await import("https://cdn.jsdelivr.net/npm/@techandsoftware/teletext-plugin-smooth-mosaic@latest/dist/teletext-plugin-smooth-mosaic.min.js");this.en.teletextInstance.registerViewPlugin(t.SmoothMosaicPlugin),this.An=!0,It.setSmoothMosaics()}catch(t){}}}function yt(t){if(!(t.altKey||t.metaKey||t.ctrlKey))switch(t.key){case"1":case"2":case"3":case"4":case"5":case"6":case"7":case"8":case"9":case"0":document.querySelector("#b"+t.key).focus({preventScroll:!0}),this.En(t.key);break;case"?":this.gn();break;case"m":this._n();break;case"f":this.nn++,this.nn==Qt.length&&(this.nn=0),this.en.teletextInstance.setFont(Qt[this.nn]);break;case"w":this.en.teletextInstance.clearScreen();break;case"h":this.fn();break;case"v":this.rn++,this.rn==dt.length&&(this.rn=0),this.en.teletextInstance.setView(dt[this.rn]),this.An=!1;break;case"t":this.cn();break;case"r":this.un("red");break;case"g":this.un("green");break;case"y":this.un("yellow");break;case"b":this.un("blue");break;case"i":this.un("index");break;case"=":case"+":case">":case"ArrowRight":this.In();break;case"-":case"<":case"ArrowLeft":this.Cn();break;case"c":this.wn()}}export{Et as TeletextService,bt as TeletextServiceViewer};//# sourceMappingURL=teletext-service.min.js.map
+// LicenseRef-uk.ltd.TechAndSoftware-1.0 refers to https://tech-and-software.ltd.uk/LICENSES/LicenseRef-uk.ltd.TechAndSoftware-1.0.txt
+const t=new Set(["Uint1Array","Int8Array","Uint8Array","Uint8ClampedArray","Int16Array","Uint16Array","Int32Array","UInt32Array","Float32Array","Float64Array"]),s=Uint8Array,i=Symbol();class e{constructor(t,{length:i=null,buffer:e=null,byteOffset:n=0,byteLength:r=null}={}){let h;e?i=8*(r||e.byteLength):i||(i=0);const o=s.BYTES_PER_ELEMENT,a=8*o,c=a-1,l=(t=>{let s=0;for(;t>>=1;)s++;return s})(a),g=Math.max(1,i+c>>l);e?h=new s(e,n,g):(e=new ArrayBuffer(o*g),h=new s(e)),Object.assign(this,{buffer:e,byteOffset:n,length:i,wordSize:a,wordCount:g,wordSizeMask:c,wordSizeShift:l,internal:h})}toArray(){const t=new Uint8Array(this.length);for(let s=0;s<this.wordCount;s++){const i=this.internal[s];for(let e=s*this.wordSize;e<(s+1)*this.wordSize;e++)t[e]=this.getBit(e,i)}return t}getBit(t,s){if(!(t>=this.length))return null==s&&(s=this.internal[t>>this.wordSizeShift]),s>>(t&this.wordSizeMask)&1}setBit(t,s){if(t>=this.length)return;const 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":"🬼","!":"🬽",'"':"🬾","#":"🬿",$:"🭀","%":"◣","&":"🭁","'":"🭂","(":"🭃",")":"🭄","*":"🭅","+":"🭆",",":"🭨","-":"🭩",".":"🭰","/":"▒",":":"🭐",";":"🭑","<":"🭪","=":"🭫",">":"🭵","?":"█","@":"┷",A:"┯",B:"┝",C:"┥",D:"🮤",E:"🮥",F:"🮦",G:"🮧",H:"🮠",I:"🮡",J:"🮢",K:"🮣",L:"┿",M:"•",N:"●",O:"○",P:"│",Q:"─",R:"┌",S:"┐",T:"└",U:"┘",V:"├",W:"┤",X:"┬",Y:"┴",Z:"┼","[":"→","\\":"←","]":"↑","^":"↓",_:" ","`":"🭒",a:"🭓",b:"🭔",c:"🭕",d:"🭖",e:"◥",f:"🭗",g:"🭘",h:"🭙",i:"🭚",j:"🭛",k:"🭜",l:"🭬",m:"🭭",n:null,o:null,p:"🭝",q:"🭞",r:"🭟",s:"🭠",t:"🭡",u:"◤",v:"🭢",w:"🭣",x:"🭤",y:"🭥",z:"🭦","{":"🭧","|":"🭮","}":"🭯","~":null,"":null}},$={};class tt{constructor(t){this.type=t.vs,this.flashing=t.Ds,this.concealed=t.Ys,this.size=t.ft,this.sextants=t.Qi()}}class st{constructor(){this.yi=" ",this.bi=" ",this.pi=x.WHITE,this.mi=x.BLACK,this.wi=k.Pt,this.Si=!1,this.xi=U.zt,this.Ui=!1,this.vi=!1,this.ki=null,this.Ri=!1,this.Fi=null,this.Li=null}set Di(t){this.yi=t}get Di(){return this.yi}set xs(t){this.pi=t}get xs(){return this.pi}set ws(t){this.mi=t}get ws(){return this.mi}get et(){return this.Ri}Ni(t){const s=this.wi==k.Mt||this.wi==k.qt;this.wi==k.Pt||0==(32&this.yi.charCodeAt(0))&&s?(this.bi=et(this.yi,t),this.Fi>0&&(this.bi+=W.g2_latin[String.fromCharCode(this.Fi+64)]),this.Ri=!1,"g0_arabic"!=t&&"g2_arabic"!=t||(this.Ri=l.et(this.bi))):this.wi==k.Mt?this.bi=et(this.yi,"g1_block_mosaic_to_unicode__legacy_computing"):this.wi==k.qt?this.bi=et(this.yi,"g1_block_mosaic_to_unicode__unscii_separated"):this.wi==k.Tt&&(this.bi=et(this.yi,"g3")),this.ki=null}Gi(t){if(this.wi!=k.Mt&&this.wi!=k.qt||!t.Hi)this.ki=null,this.bi=" ";else{this.ki=t.Js,this.wi=t.vs;let s="g1_block_mosaic_to_unicode__legacy_computing";this.wi==k.qt&&(s="g1_block_mosaic_to_unicode__unscii_separated"),this.bi=et(t.Js,s)}}get Js(){return this.bi}get vs(){return this.wi}set vs(t){this.wi=t}set Ds(t){this.Si=t}get Ds(){return this.Si}get ft(){return this.xi}set ft(t){this.xi=t}set Ys(t){this.Ui=t}get Ys(){return this.Ui}set Rs(t){this.vi=t}get 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nt(t,this.ie.ee,this.se),this.hs=t,this.ne=1,this.he=0,this._e(),this.oe=null,this.ae=null,this.le=0,this.Ae=0}setRowFromOutputLine(t,s){const i=l.st(s);this.hs.ce(t,i)}setRow(t,s){this.hs.ce(t,s)}setPageFromOutputLines(t,s){const i=l.it(t);void 0!==s&&(i[0]=this.ge(s)),this.setPageRows(i)}setPageRows(t){this.hs.ue(),this.hs.Ce(t)}ge(t){return(t=l.st(t)).join("").substring(0,32).padStart(40," ")}showTestPage(){this.loadPageFromEncodedString(A[ot[this.he]]),this.he++,4==this.he&&(this.he=0)}showRandomisedPage(){const t=[];for(let s=0;s<25;s++){const s=[];for(let t=0;t<40;t++)s.push(String.fromCharCode(127*Math.random()));t.push(s.join(""))}this.setPageRows(t)}loadPageFromEncodedString(t,s){const i=l.tt(t,this.se.atob);void 0!==s&&(i[0]=this.ge(s)),this.setPageRows(i)}_e(){this.se.addEventListener("ttx.reveal",(()=>this.re.Vs())),this.se.addEventListener("ttx.mix",(()=>this.re.Ws())),this.se.addEventListener("ttx.subtitlemode",(()=>this.re.ri()))}toggleReveal(){this.re.Vs()}toggleMixMode(){this.re.Ws()}toggleBoxMode(){this.re.ri()}toggleGrid(){this.re.Zs()}setLevel(t){this.hs.fe(t)}addTo(t){this.Ie=t,this.re.ut(t)}setFont(t){this.re.Ks(t)}clearScreen(t){this.hs.ue(),this.hs.Ee(t)}setAspectRatio(t){if("natural"==t)return void this.re.si(t);const s=parseFloat(t);if(Number.isNaN(s))throw Error("E80 setAspectRatio: bad number");this.re.si(s)}setHeight(t){const s=parseFloat(t);if(Number.isNaN(s))throw Error("E98 setHeight: bad number");this.re.ii(s),this.ae=s}setDefaultG0Charset(t,s){if(null==t.match(/g0_/))throw Error("E130 setDefaultG0Charset: Bad g0 set");this.hs.Be(t,s)}setSecondG0Charset(t,s){if(null==t.match(/g0_/))throw Error("E136 setSecondG0Charset: Bad g0 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t="g2_"+i[1];t in W?this.ve=t:"hebrew"==i[1]&&(this.ve="g2_arabic")}s&&this.ls.te()}de(t,s){this.Ue=t,s&&this.ls.te()}Qe(t,s){this.ve=t,s&&this.ls.te()}ds(t){if(t>=25)throw Error("PageModel.getRow E42 bad rowNum");const s=new lt;let i,e,n=k.Pt,r=x.WHITE,h=!1,o=U.zt,a=!1,c=!1,l=!1,g=!1,A=x.BLACK,_=k.Mt,u={Hi:!1,Js:" ",vs:k.Mt},E=[];return gt.includes(this.Re)&&(E=this.Fe.filter((s=>s.Wi==t))),this.Se[t].forEach(((C,I)=>{const f=C.Di,B=((t,s)=>{let i=null,e=null;return s in F&&M[this.Re].includes(s.charCodeAt(0))?s in R?(i=N.TEXT_COLOUR,e=F[s]):s in j?(i=N.MOSAIC_COLOUR,e=F[s]):i=F[s]:s.charCodeAt(0)<=31&&(i=N.Kt),{De:i,Ne:e}})(0,f);switch(i=r,C.vs=n,C.Rs=g,e=a,B.De!=N.STEADY&&(C.Ds=h),B.De!=N.NORMAL_SIZE&&(C.ft=o),B.De!=N.CONCEAL&&(C.Ys=c),l&&(B.De!=N.HOLD_MOSAICS&&(u.Hi=!1,u.Js=" "),l=!1),B.De){case N.TEXT_COLOUR:n=k.Pt,r=B.Ne,c=!1,C.Gi(u);break;case N.MOSAIC_COLOUR:n=_,r=B.Ne,c=!1,C.Gi(u);break;case N.NEW_BACKGROUND:A=i,C.Gi(u);break;case N.BLACK_BACKGROUND:A=x.BLACK,C.Gi(u);break;case N.CONTIGUOUS_GRAPHICS:_=k.Mt,C.vs==k.qt&&(C.vs=k.Mt),n==k.qt&&(n=k.Mt),C.Gi(u);break;case N.SEPARATED_GRAPHICS:_=k.qt,C.vs==k.Mt&&(C.vs=k.qt),n==k.Mt&&(n=k.qt),C.Gi(u);break;case N.ESC:this.Ue&&(a=!e),C.Gi(u);break;case N.FLASH:h=!0,C.Gi(u);break;case N.STEADY:C.Ds=!1,h=!1,C.Gi(u);break;case N.NORMAL_SIZE:C.ft=U.zt,o=U.zt,C.Gi(u);break;case N.DOUBLE_HEIGHT:o=U.Jt,s.Ns=!0,C.Gi(u);break;case N.DOUBLE_WIDTH:o=U.Yt,C.Gi(u);break;case N.DOUBLE_SIZE:o=U.Vt,s.Ns=!0,C.Gi(u);break;case N.CONCEAL:C.Ys=!0,c=!0,C.Gi(u);break;case N.HOLD_MOSAICS:u.Hi=!0,C.Gi(u);break;case N.RELEASE_MOSAICS:l=!0,C.Gi(u);break;case N.START_BOX:I>=1&&this.Se[t][I-1].Di==this.ke&&(C.Rs=!0,g=!0),C.Gi(u);break;case N.END_BOX:g=!1,C.Gi(u);break;case N.Kt:C.Gi(u);break;default:C.Ni(e?this.Ue:this.xe),C.ji()&&(u.Js=f,u.vs=C.vs)}C.xs=i,C.ws=A,E.filter((t=>t.Xi==I)).forEach((t=>{const s=new it(C);C=s,"g0"==t.vs?(C.Di=t.Js,C.Oi=t.Oi,C.vs=k.Pt,C.Ni(e?this.Ue:this.xe)):"g1"==t.vs?this.Re==H[2.5]&&(C.Di=t.Js,C.vs=_,C.Ni()):"g2"==t.vs?(C.Di=t.Js,C.vs=k.Pt,C.Ni(this.ve)):"g3"==t.vs?(this.Re!=H[1.5]||-1!="Q[\\]".indexOf(t.Js))&&(C.Di=t.Js,C.vs=k.Tt,C.Ni()):"char"==t.vs&&(C.Pi=t.Js,C.vs=k.Pt)})),s.we(C)})),s}$i(t){this.Fe=t}ue(){this.Fe=[]}};class _t{constructor(){this.Oe=null,this.je=null}async fetchPage(t){const s=t.match(/([1-8])[0-9A-Fa-f]{2}/);if(null==s)return null;const i=s[1];if(this.Oe!=i)try{const t=await fetch(i+".json");if(t.ok){const s=await t.json();"pages"in s&&(this.je=s,this.Oe=i)}}catch(t){}return this.Oe==i&&t in this.je.pages?this.je.pages[t]:null}}const ut=["Sun","Mon","Tue","Wed","Thu","Fri","Sat"],Et=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];class Ct{constructor(t){this.Ge=t}Pe(){const t=new Date;return{"%%a":ut[t.getDay()],"%%b":Et[t.getMonth()],"%d":(t.getDate()+"").padStart(2,0),"%e":(t.getDate()+"").padStart(2," "),"%m":(t.getMonth()+1+"").padStart(2," "),"%y":(t.getFullYear()+"").substring(2,2),"%H":(t.getHours()+"").padStart(2,0),"%M":(t.getMinutes()+"").padStart(2,0),"%S":(t.getSeconds()+"").padStart(2,0)}}He(t){const s=this.Pe();let i=this.Ge;for(const t of Object.keys(s))i=i.replace(t,s[t]);return void 0!==t&&(i=i.replace("%%#",t)),i}}class It{constructor(t){if("object"!=typeof t)throw Error("E8 Service.constructor: options object required");if(!("DOMSelector"in t))throw Error("E9 Service.constructor DOMSelector property required");this.Me="caster"in t?t.caster:null,this.qe="defaultG0Charset"in t?t.defaultG0Charset:"g0_latin",this.Te=new Ct("header"in t?t.header:"       %%#  %%a %e %%b C%H:%M/%S"),this.Xe="fetcher"in t?t.fetcher:new _t,this.Je=new at(At,void 0),this.Je.setDefaultG0Charset(this.qe),this.Je.setLevel(H[1.5]),this.Je.addTo(t.DOMSelector),this.ze=null,this.Ye=null,this.Ve=0,this.Ze=null}get teletextInstance(){return this.Je}async showPage(t){if("number"==typeof t&&(t+=""),null==t.match(/^[1-8][0-9A-Fa-f]{2}$/))return null;const s=await this.Xe.fetchPage(t);if(null!=s){const i=this.Ke(s);if(null!=i)return this.ze=s,this.Ye=t,this.Ve=i,this.We(),this.$e()}return null}showLink(t){return null!=this.Ze&&t in this.Ze?this.showPage(this.Ze[t]):Promise.resolve(null)}Ke(t){const s=t.subpages;for(let t=0;t<s.length;t++)if(null!=s[t])return t;return null}nextSubPage(){const t=this.ze.subpages;let s=this.Ve,i=!1;for(;!i&&(s++,s==t.length&&(s=0),s!=this.Ve);)null!=t[s]&&(i=!0);return i&&(this.Ve=s,this.We()),this.$e()}previousSubPage(){const t=this.ze.subpages;let s=this.Ve,i=!1;for(;!i&&(s--,-1==s&&(s=t.length-1),s!=this.Ve);)null!=t[s]&&(i=!0);return i&&(this.Ve=s,this.We()),this.$e()}$e(){return{pageNumber:this.Ye,subPage:this.Ve,numSubPages:this.ze.subpages.filter((t=>null!=t)).length,fastext:this.Ze}}We(){const t=this.ze.subpages[this.Ve],s="encoding"in t?t.encoding:this.qe,i=this.Te.He(this.Ye);let e={defaultG0Charset:s,header:i};if(this.Je.clearScreen(!1),this.Je.setDefaultG0Charset(s,!1),"ouputLines"in t){const s=t.outputLines.split("\n");this.Je.setPageFromOutputLines(s,i),e.outputLines=s}else if("packed"in t){const s=t.packed;this.Je.loadPageFromEncodedString(s,i),e.packed=s}else e=null;e&&this.Me&&this.Me.display(e),this.Ze="fastext"in t?t.fastext:null}}class ft{constructor(t){this.t=t,this.i=[]}attach(t){this.i.push(t)}notify(t){this.i.forEach(((s,i)=>this.i[i](this.t,t)))}}const Bt=new class{constructor(){this.available=new ft(this),this.castStateChanged=new ft(this)}o(){if("undefined"==typeof cast)return;const t={receiverApplicationId:"000F65B3",autoJoinPolicy:chrome.cast.AutoJoinPolicy.ORIGIN_SCOPED};this.h=cast.framework.CastContext.getInstance(),this.h.setOptions(t),this.l=new cast.framework.RemotePlayer,this.u=new cast.framework.RemotePlayerController(this.l),this.h.addEventListener(cast.framework.CastContextEventType.CAST_STATE_CHANGED,(()=>this.castStateChanged.notify())),this.available.notify(),this.castStateChanged.notify()}async display(t){if(!this.m())return;const s=this.g();this.u.stop();const i=new chrome.cast.media.MediaInfo("https://teletextforchromecast.tech-and-software.ltd.uk/250-milliseconds-of-silence.mp3","audio/mpeg3");i.entity=t;const e=new chrome.cast.media.LoadRequest(i);try{await s.loadMedia(e)}catch(t){}}getCastState(){return this.h.getCastState()}clearScreen(){this.p("clear")}toggleGrid(){this.p("grid")}toggleReveal(){this.p("reveal")}toggleMixMode(){this.p("mix")}toggleBoxMode(){this.p("box")}setSmoothMosaics(){this.p("smoothmosaic")}setBlockMosaics(){this.p("blockmosaic")}async p(t){if(!this.m())return;const s=this.g();try{await s.sendMessage("urn:x-cast:uk.ltd.techandsoftware.teletext",`"${t}"`)}catch(t){}}m(){return"object"==typeof this.l&&this.l.isConnected}g(){return this.h.getCurrentSession()}};let Qt=0;function dt(){window.setTimeout((()=>{"undefined"==typeof cast?(Qt++,Qt<10&&dt()):Bt.o()}),500)}window.__onGCastApiAvailable=t=>{t&&("undefined"==typeof cast?dt():Bt.o())};const bt=["sans-serif","Bedstead","native","serif","Unscii","monospace","cursive"],yt=["classic__graphic-for-mosaic","classic__font-for-mosaic"];class mt{constructor(t){const s={defaultG0Charset:"g0_latin__english",header:"FAXFAX %%#  %%a %e %%b C%H:%M/%S",caster:Bt,DOMSelector:"#teletextscreen"};let i="",e=!1;if("object"==typeof t){for(const i of["defaultG0Charset","header","DOMSelector"])i in t&&(s[i]=t[i]);"frontPage"in t&&("number"==typeof t.frontPage?i=t.frontPage+"":"string"==typeof t.frontPage&&(i=t.frontPage)),"smoothMosaics"in t&&t.smoothMosaics&&(e=!0)}""==i&&(i="100"),this.tn=new It(s),this.Ye=3==i.length?i:"XXX",this.sn=0,this.en=0,Bt.available.attach((()=>this.nn.call(this))),Bt.castStateChanged.attach((()=>this.rn.call(this))),this.hn(),e&&this.on(),this.an()}rn(){const t=Bt.getCastState(),s=document.querySelector("#castOuter");switch(t){case"NO_DEVICES_AVAILABLE":s.title="Cast to Chromecast - no devices available",s.style.cursor="default";break;case"NOT_CONNECTED":s.title="Cast to Chromecast",s.style.cursor="pointer";break;case"CONNECTING":break;case"CONNECTED":this.an(),this.cn&&Bt.setSmoothMosaics()}}nn(){document.querySelector("#castOuter").style.display="inline-block"}hn(){window.addEventListener("keydown",(t=>wt.call(this,t))),window.addEventListener("DOMContentLoaded",(()=>{document.querySelector("#revealButton").addEventListener("click",(()=>this.ln())),document.querySelector("#mixButton").addEventListener("click",(()=>this.gn()));for(const t of["red","green","yellow","blue","index"])document.querySelector("#"+t).addEventListener("click",(()=>this.An(t)));document.querySelectorAll("[data-num]").forEach((t=>t.addEventListener("click",(()=>this._n(t.dataset.num))))),document.querySelector("#left").addEventListener("click",(()=>this.un())),document.querySelector("#right").addEventListener("click",(()=>this.En())),document.querySelector("#helpicon").addEventListener("click",(()=>this.Cn()))}))}ln(){window.dispatchEvent(new Event("ttx.reveal")),Bt.toggleReveal()}gn(){window.dispatchEvent(new Event("ttx.mix")),Bt.toggleMixMode()}_n(t){this.Ye=3==(this.Ye+"").length?t:this.Ye+""+t,this.In(),3==(this.Ye+"").length&&this.an()}In(){document.querySelector("#pageNumber").innerHTML=this.Ye}fn(){this.Ye="XXX",document.querySelector("#pageNumber").innerHTML="- - -",document.querySelector("#subpage").style.visibility="hidden"}async an(){if(null!=this.Ye.match(/[1-8][0-9A-Fa-f]{2}/)){const t=await this.tn.showPage(this.Ye);this.We(t)}}En(){const t=this.tn.nextSubPage();this.We(t)}un(){const t=this.tn.previousSubPage();this.We(t)}We(t){null!=t&&(this.Ye=t.pageNumber,this.In(),this.Bn(t),this.Qn(t),this.dn())}dn(){document.activeElement.disabled&&document.activeElement.blur()}Bn(t){const s=document.querySelector("#subpage");null!=t&&t.numSubPages>1?(s.innerHTML=`${t.subPage} of ${t.numSubPages}`,s.style.visibility="visible",document.querySelectorAll("#lrnav button").forEach((t=>t.disabled=!1))):(s.style.visibility="hidden",document.querySelectorAll("#lrnav button").forEach((t=>t.disabled=!0)))}Qn(t){const s=null!=t?t.fastext:{};for(const t of["red","green","yellow","blue","index"]){let i=!0;null!=s&&t in s&&(i=!1),document.querySelector("#"+t).disabled=i}}async An(t){const s=await this.tn.showLink(t);this.We(s)}bn(){for(const t of["red","green","yellow","blue","index","left","right"])document.querySelector("#"+t).disabled=!0}Cn(){this.fn(),this.bn();const t=this.tn.teletextInstance;t.setDefaultG0Charset("g0_latin__english",!1),t.loadPageFromEncodedString("OoECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECA6RQIECBAgQYOHDhw4cOHDhw4cOHDhw4cOHBAgQIECBAgQIDo0igQIECBBqAy8vnFvw8siDHv3dOW_ZzI_2qBAgQIECBAgQIECBAgQIEHdAgQIECBAgQIECDjz9IECBAgQIECBAgQIECA6RQIECBAgQIl69evXr169evXr169evXr169KgQIECBAgQIDqBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgOhECCTmQed_VBow9sqDCg15fOLfh5ZFiDrzyoOmjKgQIECA6EQIN3Xbiy8kGvL55oMO7Ig6aMqDXl880GLLs390CBAgQIDoFAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgOlNSNGjRo0aNGjRo0aNGjRo0aNGjRo0aNGjRo0aNGjR_2iA6U1BECBA_QIECCll7ZcOxAgQIECBAgQIECBAUQIECBB_aoDpTUEQIEG1AgQIJunwgQIECBAgQIECBAgQIEBRAgQIEH9qgOlNQRAgQW0CBAgocsvbTv680HPri4Yc-VAgQFECBAgQf2qA6U1BECBBdQIECCdl8dEHPri4Yc-VAgQIECAogQIECBB_aoDpTUE5L86_yvxIIe_Zv68kGLr06b93NAgQIEBRAgQIEH9qgOlNQRAgQaUCBAgk7smXwgxdenTfuQIECBAgQFECBAgQf2qA6U1BECBB0QIECCpl5ctObTjQZ-WHho04-aDfuX782Yp_aoDpTUEQIEGZAgQII2_d0Qc--npj0IECBAgQIEBRAgQIEH9qgOlNQRAgQekCBAgtZdyDbvyZUG_cv35syBAgQFECBAgQf2qA6U1IECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBB_aoDpREvXr169evXr169evXr169evXr169evXr169evXr169KgOoECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECA6gQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIDqBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgOoECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECBAgQIECA")}yn(){const t=Math.floor(360*Math.random()),s=Math.floor(360*Math.random());document.body.style.background=`linear-gradient(${s}deg, hsl(${t} 100% 7%) 0%, hsl(${t} 83% 52%) 86%, hsl(${t} 100% 85%) 100%)`}async on(){if(this.cn)this.tn.teletextInstance.setView(yt[this.en]),this.cn=!1,Bt.setBlockMosaics();else if(0==this.en)try{const t=await import("https://cdn.jsdelivr.net/npm/@techandsoftware/teletext-plugin-smooth-mosaic@latest/dist/teletext-plugin-smooth-mosaic.min.js");this.tn.teletextInstance.registerViewPlugin(t.SmoothMosaicPlugin),this.cn=!0,Bt.setSmoothMosaics()}catch(t){}}mn(){document.body.classList.toggle("zen")}}function wt(t){if(!(t.altKey||t.metaKey||t.ctrlKey))switch(t.key){case"1":case"2":case"3":case"4":case"5":case"6":case"7":case"8":case"9":case"0":document.querySelector("#b"+t.key).focus({preventScroll:!0}),this._n(t.key);break;case"?":this.ln();break;case"m":this.gn();break;case"f":this.sn++,this.sn==bt.length&&(this.sn=0),this.tn.teletextInstance.setFont(bt[this.sn]);break;case"w":this.tn.teletextInstance.clearScreen();break;case"h":this.Cn();break;case"v":this.en++,this.en==yt.length&&(this.en=0),this.tn.teletextInstance.setView(yt[this.en]),this.cn=!1;break;case"t":this.on();break;case"r":this.An("red");break;case"g":this.An("green");break;case"y":this.An("yellow");break;case"b":this.An("blue");break;case"i":this.An("index");break;case"=":case"+":case">":case"ArrowRight":this.En();break;case"-":case"<":case"ArrowLeft":this.un();break;case"c":this.yn();break;case"z":this.mn()}}export{It as TeletextService,mt as TeletextServiceViewer};//# sourceMappingURL=teletext-service.min.js.map

README.md

@@ -10,11 +10,11 @@ <!-- SPDX-FileCopyrightText: © 2021 Tech and Software Ltd. -->
 
-See https://teletext-service.netlify.app/
+See https://teletextmoduledemo.tech-and-software.ltd.uk/teletext-service-demo.html
 
 # Usage
 
-`TeletextService` handles page retrieval and display. `TeletextServiceViewer` is higher level with support for page numbers, subpages and fastext (coloured button links).
+The `TeletextService` class handles page retrieval and display. The `TeletextServiceViewer`  class is higher level with support for page numbers, subpages and fastext (coloured button links), and is tightly coupled to the provided HTML UI.
 
-## TeletextService module
+## TeletextService class
 
-Minimum code needed to use the `TeletextService` module:
+Minimum code needed to use the `TeletextService` class:
 
@@ -37,7 +37,9 @@ ```html
 
+You will need to supply your own page number entry method.
+
 The JSON structure needed is described below.
 
-## TeletextServiceViewer module
+## TeletextServiceViewer class
 
-`TeletextServiceViewer` is a web app wrapper around `TeletextService`.  It handles page number entry, subpage nav, fastext button state changes and entry, reveal and mix, with control using the webapp UI or keyboard shortcuts. It's tightly-coupled to the HTML so it's not really an API but it does support some options.  It's most likely you'll use the code as it is or fork it. The module also incorporates [teletext-caster](https://www.npmjs.com/package/@techandsoftware/teletext-caster) so that pages can be viewed on a Chromecast in supporting browsers.
+`TeletextServiceViewer` is a web app wrapper around `TeletextService`.  It handles page number entry, subpage nav, fastext button state changes and entry, reveal and mix, with control using the webapp UI or keyboard shortcuts. It's tightly-coupled to the HTML so it's not really an API but it does support some options.  It's most likely you'll use the code as it is or fork it. The class also incorporates [teletext-caster](https://www.npmjs.com/package/@techandsoftware/teletext-caster) so that pages can be viewed on a Chromecast in supporting browsers.
 
@@ -54,5 +56,5 @@ The Javascript code is invoked with:
 
-For the rest of HTML needed, see `public/viewer.html` in the repo.
+For the rest of HTML needed, see `public/index.html` in the repo.
 
-To run locally, clone the project then run `npm install` and `npm start` .
+To run locally, clone the project then run `npm install` and `npm run dev` .
 
@@ -84,3 +86,3 @@ Use `scripts/tti2json.js` to generate the JSON files needed as the page data source, or create your own.  The JSON structure needed is documented below in the 'Default page data source' section.
 
-The core project is licensed under GNU Affero General Public License 3 ([AGPL-3.0-only](https://www.gnu.org/licenses/agpl-3.0.en.html)), or under a commercial software license ([LicenseRef-uk.ltd.TechAndSoftware-1.0](https://techandsoftware.robdev.org.uk/LICENSES/LicenseRef-uk.ltd.TechAndSoftware-1.0.txt)) if you have paid a licensing fee to Tech and Software Ltd. If you combine your own software with this package and distribute publically (whether via network access or not), the AGPL requires that your software is covered by AGPL; the commercial license does not have that requirement. In order to pay the fee for the commercial license, contact <[e-mail]> for enquiries. The text of the licenses is in the `LICENSES` directory.
+The core project is licensed under GNU Affero General Public License 3 ([AGPL-3.0-only](https://www.gnu.org/licenses/agpl-3.0.en.html)), or under a commercial software license ([LicenseRef-uk.ltd.TechAndSoftware-1.0](https://tech-and-software.ltd.uk/LICENSES/LicenseRef-uk.ltd.TechAndSoftware-1.0.txt)) if you have paid a licensing fee to Tech and Software Ltd. If you combine your own software with this package and distribute publically (whether via network access or not), the AGPL requires that your software is covered by AGPL; the commercial license does not have that requirement. In order to pay the fee for the commercial license, contact <[e-mail]> for enquiries. The text of the licenses is in the `LICENSES` directory.
 
@@ -202,3 +204,3 @@ Dependencies:
 * `frontPage` is the front page number, which will be shown automatically. Defaults to page 100.  Pass in null to not show the front page automatically
-* `smoothMosaics` - if true will use a pixel-art scaling algorithm to generate smoother mosaic graphics when the service starts
+* `smoothMosaics` - if true will use a pixel-art scaling algorithm to generate smoother mosaic graphics when the service starts. Default is false
 
@@ -289,3 +291,3 @@ # Default page data source
 
-String. The contents is a base64-encoded string of 7-bit characters for the 25 rows x 40 characters concatenated together. The encoded string uses the character repertoire defined in the [base64url encoding](https://tools.ietf.org/html/rfc4648#section-5). This format is taken from the edit.tf editor URL hash segment - see further details here: https://github.com/rawles/edit.tf
+String. The contents is a base64-encoded string of 7-bit characters for the 25 rows x 40 characters concatenated together. The encoded string uses the character repertoire defined in the [base64url encoding](https://tools.ietf.org/html/rfc4648#section-5). This format is taken from the edit.tf editor URL hash fragment - see further details here: https://github.com/rawles/edit.tf
 
@@ -292,0 +294,0 @@ An example is in `public/1.json`, or see the URL hash at https://edit.tf (the part after the colon)

New alerts

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Fixed alerts

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

273388

increased by1.13%

Number of lines in readme file

297

increased by0.68%

No dependency changes