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Blik_2024_script.js
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import {merge,prune,unfold} from "./Blik_2023_search.js";
import {aphorize,serialize} from "./Blik_2023_meta.js";
import {infer,compose,buffer,whether,record,wait,string,note,basic,defined} from "./Blik_2023_inference.js";
import {window,fetch,digest,path,agent} from "./Blik_2023_interface.js";
import {document,css,capture,metamarkup,destroy,keyboard} from "./Blik_2023_fragment.js";
import {EditorState,Compartment} from './haverbeke_2022_codemirror_state.js';
import {EditorView,keymap,lineNumbers,drawSelection} from './haverbeke_2022_codemirror_view.js';
import {history,defaultKeymap,historyKeymap} from './haverbeke_2022_codemirror_commands.js';
import {foldGutter,foldKeymap,codeFolding,syntaxHighlighting,defaultHighlightStyle,HighlightStyle,syntaxTree,ensureSyntaxTree,foldable,foldEffect,unfoldAll,foldAll} from './haverbeke_2022_codemirror_language.js';
import {javascript} from './haverbeke_2022_codemirror_js.js';
import {StyleModule} from './haverbeke_2022_stylemod.js';
import {parser} from "./haverbeke_2022_lezer_js.js"
import {highlightCode,tags,classHighlighter} from "./haverbeke_2022_lezer_highlight.js";
var highlights=
{variableName:{color:"#0097a7"}
,string:{color:"#43a047"}
,regexp:{color:"#43a047"}
,number:{color:"#ffb300"}
,comment:{color:"#616161"}
,keyword:{color:"#770088"}
};
var extensions=
[compose.call
(highlights,Object.entries,infer("map",([field,value])=>({tag:tags[field],...value}))
,HighlightStyle.define,syntaxHighlighting
),lineNumbers(),history(),drawSelection()
,foldGutter(),codeFolding(),javascript()
,keymap.of([defaultKeymap,historyKeymap,foldKeymap].flat())
];
export default async function(source,settings={})
{let parent=settings.parent||document({div:{...metamarkup(settings),class:"codemirror"}});
//let language=(new Compartment).of(js());
let indentation=(new Compartment).of(EditorState.tabSize.of(1));
let doc=string(source)?settings.source?source:await compose(fetch,digest,infer(serialize,"json"),buffer(compose(JSON.parse,aphorize),drop(1)))(source):JSON.stringify(source);
let theme=EditorView.theme(
{".cm-content":{"text-align":"left"}
,".cm-gutters":{background:"transparent"}
// gutter heights are calculated dynamically on client-side.
,".cm-gutterElement":{height:"4px !important"}
,".cm-gutterElement:not(:first-of-type)":{height:"1.4em !important",transform:"translate(0,-4px)"}
,".cm-foldGutter>.cm-gutterElement>span":
{color:"transparent"
,"&:after":{content:"''",display:"block",opacity:".75",transform:"translate(0,-1.1em)",border:".5em solid var(--text)"}
,"&[title='Fold line']":{"&:after":{"border-right":".4em solid transparent","border-bottom":".0em solid transparent","border-left":".4em solid transparent","margin-top":".25em"}}
,"&[title='Unfold line']":{"&:after":{"border-bottom":".4em solid transparent","border-top":".4em solid transparent","border-right":".0em solid transparent","margin-left":".25em"}}
}
,".cm-foldPlaceholder":{background:"transparent",border:"none"}
},{dark:true});
let state=EditorState.create({doc,extensions:[basetheme,foldtheme,theme,extensions].flat()});
let view=new EditorView({parent,state},window);
if(defined(settings.fold))
settings.fold<1?foldAll(view):view.dispatch(
{effects:compose.call([],ranges=>ensureSyntaxTree(state,doc.length,5000).iterate(
{enter:record(compose
(drop(1),({stack:{length},from,to})=>
settings.fold<=length?foldable(state,from,to):undefined
,whether(basic,foldEffect.of.bind(foldEffect))
)).bind(ranges)
,from:0,to:doc.length
})||ranges)
});
let style=parent.ownerDocument.querySelector("head").querySelector("style").textContent;
//let style=view.styleModules.flatMap(({rules})=>rules).reverse().join("\n");
parent.append(document({style:{"#text":style}}));
if(!globalThis.window)
parent.querySelector(".cm-content").cmView.view.viewState.state.doc.toString().split("\n").forEach((line,index)=>
[".cm-line",".cm-lineNumbers>.cm-gutterElement"].map(name=>
Array.from(parent.querySelectorAll(name))).forEach((lines,gutter)=>
lines[index+gutter]||lines.at(-1).after(Object.assign(lines[gutter].cloneNode(true)
,{textContent:gutter?index+1:line}))));
return capture.call(parent
,["",new URL(import.meta.url).pathname.replace(/.*\//,""),"actions"].join("/"));
};
export var actions=
{".codemirror":
{contextrestored(event)
{let lines=Array.from(this.querySelectorAll(".cm-line")).map(({textContent:line})=>line);
let meta=[this.dataset,{parent:this}].reduce(merge,{});
this.childNodes.forEach(destroy);
resolve(import.meta.url,"default",lines.join("\n"),meta);
},keydown({keyCode,ctrlKey,altKey})
{let {s,w}=keyboard(keyCode);
if(w&&altKey)
return compose(combine(infer(),({whiteSpace})=>whiteSpace==="pre-wrap"
?{maxWidth:"",whiteSpace:"",wordBreak:""}
:{maxWidth:"calc(100% - 2.5em)",whiteSpace:"pre-wrap",wordBreak:"break-all"}),note,Object.assign)(this.querySelector(".cm-content").style);
if(!s||!ctrlKey)return;
arguments[0].preventDefault();
let source=this.querySelector(".cm-content").cmView.view.viewState.state.doc.toString();
let bytes=new Array(source.length);
for(let index in source)
bytes[index]=source.charCodeAt(index);
var blob=new Blob([new Uint8Array(bytes)],{type:'text/plain'});
let target=this.dataset.source+"?override=true";
let buffer=Object.assign(new FileReader(),{onload:compose
((file,event)=>fetch(target,{method:"put",body:btoa(event.target.result)})
,compose("text",["message"],record,{action:"broadcast",room:this.dataset.source},merge
,["data"],record,{bubbles:true},merge,slip("message"),collect,slip(MessageEvent)
,Reflect.construct,slip(this),"dispatchEvent")
)})
buffer.readAsBinaryString(blob);
}}
};
export function highlight(source)
{let fragment=[];
let emit=record((text,classes)=>classes?{class:classes,"#text":text}:text).bind(fragment);
let line=fragment.push.bind(fragment,"\n");
highlightCode(source,parser.parse(source),classHighlighter,emit,line);
return document({pre:{class:"snippet",span:fragment,style:{"#text":compose.call
(highlights
,Object.entries,infer("map",([field,value])=>[".snippet>.tok-"+field,value]),Object.fromEntries
,{".snippet":{width:"100%",margin:0}
},merge,css
)}}});
};
var basetheme=EditorView.baseTheme(compose.call
// internal basetheme from codemirror, not exposed otherwise to persist stylemodules on server-side. could be exposed in source definition.
({wrap:
{position: "relative !important",boxSizing: "border-box"
,"&.cm-focused":{outline_fallback: "1px dotted #212121",outline: "5px auto -webkit-focus-ring-color"}
,display:"flex !important",flexDirection:"column"
}
,scroller:{display: "flex !important",alignItems: "flex-start !important",fontFamily: "monospace",lineHeight: 1.4,height: "100%",overflowX: "auto"}
,content: {margin: 0,flexGrow: 2,minHeight: "100%",display: "block",whiteSpace: "pre",boxSizing: "border-box",padding: "4px 0",outline: "none"}
,"content@light": { caretColor: "black" }
,"content@dark": { caretColor: "white" }
,line: {display: "block",padding: "0 2px 0 4px"}
,button: {verticalAlign: "middle",color: "inherit",fontSize: "70%",padding: ".2em 1em",borderRadius: "3px"}
,"button@light":
{backgroundImage: "linear-gradient(#eff1f5, #d9d9df)",border: "1px solid #888"
,"&:active": {backgroundImage: "linear-gradient(#b4b4b4, #d0d3d6)"}
}
,"button@dark":
{backgroundImage: "linear-gradient(#555, #111)",border: "1px solid #888"
,"&:active": {backgroundImage: "linear-gradient(#111, #333)"}
}
,textfield: {verticalAlign: "middle",color: "inherit",fontSize: "70%",border: "1px solid silver",padding: ".2em .5em"}
,"textfield@light": {backgroundColor: "white"}
,"textfield@dark": {border: "1px solid #555",backgroundColor: "inherit"}
,secondarySelection: {backgroundColor_fallback: "#3297FD",color_fallback: "white !important",backgroundColor: "Highlight",color: "HighlightText !important"}
,secondaryCursor: {display: "inline-block",verticalAlign: "text-top",width: 0,height: "1.15em",margin: "0 -0.7px -.7em"}
,"secondaryCursor@light": { borderLeft: "1.4px solid #555" }
,"secondaryCursor@dark": { borderLeft: "1.4px solid #ddd" }
},Object.entries,infer("map",([field,value])=>[".cm-"+field,value]),Object.fromEntries
));
const foldtheme = EditorView.baseTheme(
{".cm-foldPlaceholder":{backgroundColor: "#eee",border: "1px solid #ddd",color: "#888",borderRadius: ".2em",margin: "0 1px",padding: "0 1px",cursor: "pointer"}
,".cm-foldGutter span": {padding: "0 1px",cursor: "pointer"}
});