thzxx
67f234676c
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2 lines
146 KiB
JavaScript
2 lines
146 KiB
JavaScript
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0,locale:this.getLocale()})}catch(n){e=`<p style="color:#ef4444">${this.t("renderError")}: ${t(n.message)}</p>`}if("function"==typeof this.config.sanitize)try{e=this.config.sanitize(e)}catch(e){}this.previewEl.innerHTML=e,this._renderGutter(),yt.trigger("afterRender",this),this._emit("afterRender",this)}_renderGutter(){if(!this.config.lineNumbers||!this.gutter)return;const e=this.getStats(),t=e.lines>0?e.lines:1,n=this.gutter.children.length;if(n!==t)if(n<t){let e="";for(let r=n+1;r<=t;r++)e+=`<div class="me-gutter-line">${r}</div>`;this.gutter.insertAdjacentHTML("beforeend",e)}else for(;this.gutter.children.length>t;)this.gutter.removeChild(this.gutter.lastChild)}_updateCurrentLine(){if(!this.gutter)return;const e=this.textarea.selectionStart,t=this._value.substring(0,e).split("\n").length,n=this.gutter.querySelector(".me-gutter-active");n&&n.classList.remove("me-gutter-active");const 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s=t.value[i]||"";if(n===r){if(s===r)return e.preventDefault(),void(t.selectionStart=t.selectionEnd=i+1);if(/\w/.test(s))return}e.preventDefault();const a=this._value,l=n+r;t.value=t.value.slice(0,i)+l+t.value.slice(o),t.selectionStart=t.selectionEnd=i+1,this._value=t.value,this._pushHistory(),this._afterProgrammaticEdit(a)}_bindDragDrop(){const e=this.textarea;if(!e)return;const t=e=>{e.preventDefault(),e.dataTransfer&&(e.dataTransfer.dropEffect="copy")},n=e=>{e.preventDefault();const t=e.dataTransfer?.files;if(t&&t.length)return void Array.from(t).forEach(e=>{if(e.type.startsWith("image/")){const t=e.size/1024;if(t>500)return void this.toast(this.t("imageTooLarge",{size:t.toFixed(0),max:500})||`Image too large (${t.toFixed(0)}KB > 500KB)`,{type:"warning"});const n=new FileReader;n.onload=()=>{this.insert(`\n`)},n.readAsDataURL(e)}else if(e.type.startsWith("text/")||/\.(md|txt|js|ts|json|css|html|xml|yml|yaml)$/i.test(e.name)){const t=new FileReader;t.onload=()=>this.insert(t.result),t.readAsText(e)}});const n=e.dataTransfer?.getData("text/plain");n&&this.insert(n)};e.addEventListener("dragover",t),e.addEventListener("drop",n),this._cleanups.push(()=>{e.removeEventListener("dragover",t),e.removeEventListener("drop",n)})}_scheduleHistory(){this._historyTimer&&clearTimeout(this._historyTimer),this._historyTimer=setTimeout(()=>this._pushHistory(),this.config.historyDebounce||400)}_afterProgrammaticEdit(e){if(yt.trigger("beforeChange",this),this._emit("beforeChange",e,this._value),this._render(),this._renderGutter(),this._updateWordCount(),this._updateOutline(),this._emit("input",this._value),this._emit("change",this._value),"function"==typeof this.config.onInput)try{this.config.onInput(this._value,this)}catch(e){}if("function"==typeof this.config.onChange)try{this.config.onChange(this._value,this)}catch(e){}this._emit("afterChange",this._value),yt.trigger("afterChange",this)}_pushHistory(){if(this.config.maxLength&&this.config.maxLength>0&&this._value.length>this.config.maxLength&&(this._value=this._value.slice(0,this.config.maxLength),this.textarea&&(this.textarea.value=this._value)),this._history[this._historyIndex]===this._value)return;this._history=this._history.slice(0,this._historyIndex+1),this._history.push(this._value);const e=this.config.historyLimit>0?this.config.historyLimit:100;for(;this._history.length>e;)this._history.shift();this._historyIndex=this._history.length-1}undo(){return this._historyIndex<=0||(this._captureCursor(),this._historyIndex--,this._applyHistory(),this._restoreCapturedCursor()),this}redo(){return this._historyIndex>=this._history.length-1||(this._captureCursor(),this._historyIndex++,this._applyHistory(),this._restoreCapturedCursor()),this}canUndo(){return 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n={bold:()=>this._wrapSelection("**","**"),italic:()=>this._wrapSelection("*","*"),strikethrough:()=>this._wrapSelection("~~","~~"),underline:()=>this._wrapSelection("<u>","</u>"),code:()=>this._wrapSelection("`","`"),h1:()=>this._toggleLinePrefix("# "),h2:()=>this._toggleLinePrefix("## "),h3:()=>this._toggleLinePrefix("### "),quote:()=>this._toggleLinePrefix("> "),ul:()=>this._toggleLinePrefix("- "),ol:()=>this._toggleLinePrefix("1. 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this._fullscreen&&this.toggleFullscreen(),this}toggleZen(){return this._setZen(!this._zenMode),this}_setZen(e){this._zenMode=!!e,this.el&&(this.el.classList.toggle("me-zen",this._zenMode),this._applyZenWidth(),this._zenMode&&this.toolbarEl?(this._zenMouseHandler||(this._zenMouseHandler=e=>{this.toolbarEl.style.opacity=e.clientY<40?"1":"0",this.toolbarEl.style.pointerEvents=e.clientY<40?"auto":"none"},document.addEventListener("mousemove",this._zenMouseHandler)),this.toolbarEl.style.transition="opacity 0.2s",this.toolbarEl.style.opacity="0",this.toolbarEl.style.pointerEvents="none",this.statusEl&&(this.statusEl.style.display="none")):(this._zenMouseHandler&&(document.removeEventListener("mousemove",this._zenMouseHandler),this._zenMouseHandler=null),this.toolbarEl&&(this.toolbarEl.style.opacity="",this.toolbarEl.style.pointerEvents="",this.toolbarEl.style.transition=""),this.statusEl&&(this.statusEl.style.display="")),this._emit("zenChange",this._zenMode))}isZen(){return this._zenMode}_applyZenWidth(){if(!this.el)return;const e=this.config.zenMaxWidth;null==e||!1===e||""===e?this.el.style.removeProperty("--md-zen-max-width"):this.el.style.setProperty("--md-zen-max-width","number"==typeof e?`${e}px`:String(e))}setZenMaxWidth(e){return this.config.zenMaxWidth=e,this._applyZenWidth(),this}getZenMaxWidth(){return this.config.zenMaxWidth??960}toggleWordWrap(){return this._wordWrap=!this._wordWrap,this.textarea&&(this.textarea.style.whiteSpace=this._wordWrap?"pre-wrap":"pre"),this}setWordWrap(e){return this._wordWrap=!!e,this.textarea&&(this.textarea.style.whiteSpace=this._wordWrap?"pre-wrap":"pre"),this}isWordWrap(){return this._wordWrap}setOutline(e){if(this.config.outline=!!e,this._destroyed||!this.el)return this;if(this.config.outline)this._buildOutline(),this._trackOutlineScroll();else{const e=this.el.querySelector(".me-outline");e&&e.remove()}return this}isOutline(){return!!this.config.outline}_bindToolbarKeyboard(){if(!this.toolbarEl)return;const e=e=>{const t=[...this.toolbarEl.querySelectorAll(".me-btn:not(:disabled)")];if(!t.length)return;const n=t.indexOf(document.activeElement);-1!==n&&("ArrowRight"===e.key?(e.preventDefault(),t[(n+1)%t.length].focus()):"ArrowLeft"===e.key?(e.preventDefault(),t[(n-1+t.length)%t.length].focus()):"Home"===e.key?(e.preventDefault(),t[0].focus()):"End"===e.key&&(e.preventDefault(),t[t.length-1].focus()))};this.toolbarEl.addEventListener("keydown",e),this._cleanups.push(()=>this.toolbarEl.removeEventListener("keydown",e))}_initAriaLive(){if(!this.el)return;const e=document.createElement("div");e.className="me-sr-only",e.setAttribute("aria-live","polite"),e.setAttribute("aria-atomic","true"),this.el.appendChild(e),this._ariaLive=e}_announce(e){this._ariaLive&&(this._ariaLive.textContent="",requestAnimationFrame(()=>{this._ariaLive.textContent=e}))}_syncScroll(){if(this._syncing)return;this._syncing=!0;const e=this.textarea;if(!e)return void(this._syncing=!1);const 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t=(e.match(/[\u4e00-\u9fa5]/g)||[]).length,n=(e.replace(/[\u4e00-\u9fa5]/g," ").match(/[a-zA-Z0-9]+/g)||[]).length,r=t+n,i=e?e.split("\n").length:0;return{characters:e.length,words:r,chineseChars:t,englishWords:n,lines:i,readingTime:Math.max(1,Math.ceil(r/300))}}const n=t.value,r=t.stats,i=e=>!!e&&/[\w\u4e00-\u9fff]/.test(e);let o=0;const s=Math.min(n.length,e.length);for(;o<s&&n[o]===e[o];)o++;let a=0;const l=s-o;for(;a<l&&n[n.length-1-a]===e[e.length-1-a];)a++;if(o===n.length&&o===e.length)return r;let c=o;for(;c>0&&(i(n[c-1])||i(e[c-1]));)c--;let h=n.length-a,d=e.length-a;for(;h<n.length&&i(n[h]);)h++;for(;d<e.length&&i(e[d]);)d++;const u=n.slice(c,h),p=e.slice(c,d),m=(p.match(/[\u4e00-\u9fa5]/g)||[]).length-(u.match(/[\u4e00-\u9fa5]/g)||[]).length,g=(p.replace(/[\u4e00-\u9fa5]/g," ").match(/[a-zA-Z0-9]+/g)||[]).length-(u.replace(/[\u4e00-\u9fa5]/g," 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