refactor(vtt-thumbnail): [PKG-VTT-THUMB-03] own pending requests and preview resources

docs/compiled/artplayer-plugin-vtt-thumbnail.js

@@ -4,4 +4,4 @@
  * (c) 2017-2026 Harvey Zhao
  * Released under the MIT License.
  */
-!function(t,e){"object"===typeof exports&&"undefined"!==typeof module?module.exports=e():"function"==typeof define&&define.amd?(t.artplayerPluginVttThumbnail=e(),define(function(){return t.artplayerPluginVttThumbnail})):(t="undefined"!==typeof globalThis?globalThis:t||self).artplayerPluginVttThumbnail=e()}(this,function(){"use strict";function t(t){const e=t.split("."),n=e[0].split(":")||[],i=(l=e[1]||"0",o=3,s="0",l.length>o?String(l):((o-=l.length)>s.length&&(s+=s.repeat(o/s.length)),String(l)+s.slice(0,o)));var l,o,s;const r=Number(i)/1e3;return 3600*Number(n[n.length-3]||0)+60*Number(n[n.length-2]||0)+Number(n[n.length-1]||0)+r}return function(e){return async n=>{const{constructor:{utils:{setStyle:i,isMobile:l,addClass:o}},template:{$progress:s}}=n;let r=null;const a=await async function(e=""){const n=(await(await fetch(e)).text()).split(/[\n\r]/g).filter(t=>t.trim()),i=[];for(let l=1;l<n.length;l+=2){const o=n[l],s=n[l+1];if(!s.trim())continue;const r=/((?:\d{2}:)?(?:\d{2}:)?\d{2}(?:.\d{3})?) ?--> ?((?:\d{2}:)?(?:\d{2}:)?\d{2}(?:.\d{3})?)/,a=o.match(r),u=/(.*)#(\w{4})=(.*)/,c=s.match(u),d=Math.floor(t(a[1])),p=Math.floor(t(a[2]));let f=c[1];if(!/^\/|(?:https?|ftp|file):\/\//i.test(f)){const t=e.split("/");t.pop(),t.push(f),f=t.join("/")}const h={start:d,end:p,url:f},m=c[2].split(""),g=c[3].split(",");for(let t=0;t<m.length;t++)h[m[t]]=g[t];i.push(h)}return i}(e.vtt);return n.controls.add({name:"vtt-thumbnail",position:"top",index:20,style:e.style||{},mounted(t){o(t,"art-control-thumbnails"),n.on("setBar",async(e,o,u)=>{const c="played"===e&&u&&l;if("hover"===e||c){const e=s.clientWidth*o,u=o*n.duration;i(t,"display","flex");const d=a.find(t=>u>=t.start&&u<=t.end);if(!d)return i(t,"display","none");e>0&&e<s.clientWidth?function(t,e,n){i(t,"backgroundImage",`url(${e.url})`),i(t,"height",`${e.h}px`),i(t,"width",`${e.w}px`),i(t,"backgroundPosition",`-${e.x}px -${e.y}px`),n<=e.w/2?i(t,"left",0):n>s.clientWidth-e.w/2?i(t,"left",s.clientWidth-e.w+"px"):i(t,"left",n-e.w/2+"px")}(t,d,e):l||i(t,"display","none"),c&&(clearTimeout(r),r=setTimeout(()=>{i(t,"display","none")},500))}})}}),{name:"artplayerPluginVttThumbnail"}}}});
+!function(t,e){"object"===typeof exports&&"undefined"!==typeof module?module.exports=e():"function"==typeof define&&define.amd?(t.artplayerPluginVttThumbnail=e(),define(function(){return t.artplayerPluginVttThumbnail})):(t="undefined"!==typeof globalThis?globalThis:t||self).artplayerPluginVttThumbnail=e()}(this,function(){"use strict";function t(t){const e=t.split("."),n=e[0].split(":")||[],o=(l=e[1]||"0",i=3,r="0",l.length>i?String(l):((i-=l.length)>r.length&&(r+=r.repeat(i/r.length)),String(l)+r.slice(0,i)));var l,i,r;const s=Number(o)/1e3;return 3600*Number(n[n.length-3]||0)+60*Number(n[n.length-2]||0)+Number(n[n.length-1]||0)+s}function e({lifetime:t,thumbnails:e,progress:n,duration:o,setStyle:l,isMobile:i}){let r=null,s=0;function c(e,n,o){t.closed||l(e,n,o)}return t.own(()=>{if(s++,null!==r){const t=r;r=null,clearTimeout(t)}}),l=>async(u,a,d)=>{if(t.closed)return;const f="played"===u&&d&&i;if("hover"!==u&&!f)return;const h=n.clientWidth*a,p=a*o();if(c(l,"display","flex"),t.closed)return;const m=e.find(t=>p>=t.start&&p<=t.end);if(!m)return c(l,"display","none");if(h>0&&h<n.clientWidth?function(t,e,o){c(t,"backgroundImage",`url(${e.url})`),c(t,"height",`${e.h}px`),c(t,"width",`${e.w}px`),c(t,"backgroundPosition",`-${e.x}px -${e.y}px`),o<=e.w/2?c(t,"left",0):o>n.clientWidth-e.w/2?c(t,"left",n.clientWidth-e.w+"px"):c(t,"left",o-e.w/2+"px")}(l,m,h):i||c(l,"display","none"),f&&!t.closed){const e=++s;if(null!==r&&clearTimeout(r),t.closed)return;const n=setTimeout(()=>{e!==s||t.closed||(r=null,c(l,"display","none"))},500);t.closed||e!==s?clearTimeout(n):r=n}}}return function(n){return async o=>{const{constructor:{utils:{setStyle:l,isMobile:i,addClass:r}},template:{$progress:s}}=o,c=function(t){let e=Boolean(t.isDestroy);const n=new Set;let o;const l=new Promise(t=>{o=t}),i={get closed(){return e},own:t=>(e?r(t):n.add(t),()=>n.delete(t)),listen(n,o){e||(i.own(()=>t.off(n,o)),t.on(n,o))},wait:t=>Promise.race([t,l]),dispose(){if(e)return;e=!0,o();const t=[...n].reverse();n.clear();for(const e of t)r(e)}};function r(t){try{t()}catch(e){console.warn("Failed to clean up VTT thumbnails:",e)}}try{i.listen("destroy",i.dispose)}catch(s){throw i.dispose(),s}return i}(o),u={name:"artplayerPluginVttThumbnail"};try{if(c.closed)return u;const a=n.vtt,d=await async function(t="",e){if(e.closed)return;const n="function"===typeof AbortController?new AbortController:null,o=e.own(()=>n?.abort());try{if(e.closed)return;const o=await e.wait(n?fetch(t,{signal:n.signal}):fetch(t));if(e.closed)return;if(!1===o.ok)throw new Error(`Failed to fetch VTT thumbnails: HTTP ${o.status}`);if(e.closed)return;return await e.wait(o.text())}finally{o()}}(a,c);if(c.closed)return u;const f=function(e,n=""){const o=e.split(/[\n\r]/g).filter(t=>t.trim()),l=[];for(let i=1;i<o.length;i+=2){const e=o[i],r=o[i+1];if(!r.trim())continue;const s=/((?:\d{2}:)?(?:\d{2}:)?\d{2}(?:.\d{3})?) ?--> ?((?:\d{2}:)?(?:\d{2}:)?\d{2}(?:.\d{3})?)/,c=e.match(s),u=/(.*)#(\w{4})=(.*)/,a=r.match(u),d=Math.floor(t(c[1])),f=Math.floor(t(c[2]));let h=a[1];if(!/^\/|(?:https?|ftp|file):\/\//i.test(h)){const t=n.split("/");t.pop(),t.push(h),h=t.join("/")}const p={start:d,end:f,url:h},m=a[2].split(""),y=a[3].split(",");for(let t=0;t<m.length;t++)p[m[t]]=y[t];l.push(p)}return l}(d,a),h=e({lifetime:c,thumbnails:f,progress:s,duration:()=>o.duration,setStyle:l,isMobile:i}),p=n.style||{};return c.closed||o.controls.add({name:"vtt-thumbnail",position:"top",index:20,style:p,mounted(t){c.own(()=>{o.controls["vtt-thumbnail"]===t&&o.controls.remove("vtt-thumbnail")}),c.closed||(r(t,"art-control-thumbnails"),c.listen("setBar",h(t)))}}),u}catch(a){throw c.dispose(),a}}}});