fix(thumbnail): [PKG-TOOL-THUMB-07] preserve falsy cleanup exceptions

packages/artplayer-tool-thumbnail/ARCHITECTURE.md

@@ -50,6 +50,16 @@ were overwritten. Current public URLs are also revoked, preserving historical
 destroy behavior. The video is paused, its src removed, load resets its decoder
 state, and its node is removed. Registration checks for reentrant closure/replacement.
 
+Cleanup records whether an exception occurred separately from its value. It attempts
+all remaining cleanup callbacks and then rethrows the first value unchanged, including
+undefined, null, false, zero, an empty string or NaN. In particular, a destroy listener
+must not have its exception swallowed just because it is falsy. The instance remains
+closed after a failed destroy; a repeated destroy is a no-op. This is distinct from
+emitter dispatch: an exception still stops the remaining listeners in that dispatch.
+`test/thumbnail-cleanup-errors.test.js` compares recovered 3.5.31 and frozen workspace
+behavior, checks first-error identity across nested cleanup and verifies resource release.
+`test/browser/thumbnail-emitter.spec.js` repeats the listener contract with real DOM.
+
 ## Extraction and event ordering
 
 Loading emits file before assigning video.src, then video synchronously as in

packages/artplayer-tool-thumbnail/dist/artplayer-tool-thumbnail.js

@@ -31,4 +31,4 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-!function(e,t){"object"===typeof exports&&"undefined"!==typeof module?module.exports=t():"function"==typeof define&&define.amd?(e.ArtplayerToolThumbnail=t(),define(function(){return e.ArtplayerToolThumbnail})):(e="undefined"!==typeof globalThis?globalThis:e||self).ArtplayerToolThumbnail=t()}(this,function(){"use strict";const e=(e,t)=>Object.prototype.hasOwnProperty.call(e,t);class t{on(t,n,r){const o=this.e||(this.e={});let i=e(o,t)?o[t]:void 0;return i||(i=[],Object.defineProperty(o,t,{value:i,enumerable:!0,configurable:!0,writable:!0})),i.push({fn:n,ctx:r}),this}once(e,t,n){const r=this,o=t;let i=!1;function s(...t){i||(i=!0,r.off(e,s),o.apply(n,t))}return s._=t,this.on(e,s,n)}emit(t,...n){const r=this.e||(this.e={}),o=(e(r,t)&&r[t]||[]).slice();for(let e=0;e<o.length;e+=1)o[e].fn.apply(o[e].ctx,n);return this}off(t,n){const r=this.e||(this.e={}),o=e(r,t)?r[t]:void 0,i=[];if(o&&n)for(let e=0,s=o.length;e<s;e+=1)o[e].fn!==n&&o[e].fn._!==n&&i.push(o[e]);return i.length?r[t]=i:delete r[t],this}}const n=new WeakMap;function r(e){return n.has(e)||n.set(e,{closed:!1,epoch:0,inputEpoch:0,job:null,video:null,sourceUrl:null,thumbnailUrl:null,sourceUrls:new Set,thumbnailUrls:new Set,sourceListeners:[],loading:!1}),n.get(e)}function o(e){const t=new Error(`Thumbnail task cancelled: ${e}`);return t.name="AbortError",t}function i(e,t){t&&(e.delete(t),URL.revokeObjectURL(t))}function s(e){let t;for(const r of e)try{r()}catch(n){t||(t=n)}if(t)throw t}function c(e,t="destroyed"){const n=r(e);return!n.closed&&(n.closed=!0,n.epoch++,n.job?.cancel(t),!0)}function a(e){const t=r(e),n=new Set([...t.sourceUrls,e.videoUrl]),o=new Set([...t.thumbnailUrls,e.thumbnailUrl]),c=[];for(const r of new Set([t.video,e.video]))r&&c.push(()=>r.pause?.(),()=>r.removeAttribute?.("src"),()=>r.load?.(),()=>r.parentNode?.removeChild(r));s([...t.sourceListeners.splice(0),...c,...[...n].map(e=>()=>i(t.sourceUrls,e)),...[...o].map(e=>()=>i(t.thumbnailUrls,e))])}function l(e,t,n){return Math.max(Math.min(e,Math.max(t,n)),Math.min(t,n))}function u(e,t){let n=t.epoch;const c=e.video;let a,u,d,h,p=!1,f=!1,m=()=>{};const b=[],y=new Promise((e,t)=>{a=e,u=t});y.catch(()=>{});const g=()=>!p&&!t.closed&&t.epoch===n&&t.job===h;function v(){return!p&&(p=!0,t.job===h&&(t.job=null,e.processing=!1),s([()=>clearTimeout(d),m,...b.splice(0)]),!0)}function w(t,n=!0){if(!p){try{v()}catch(r){t||(t=r)}if(n)try{e.emit("error",t?.message)}catch(o){t=o}u(t)}}function U(t){if(!g())return;f=!0,e.processing=!0;let n=0;const o=()=>{if(!g())return;if(n===t.points.length)return void function(){if(g())try{v(),e.emit("done"),a()}catch(t){let r=t;try{e.emit("error",t?.message)}catch(n){r=n}u(r)}}();const s=t.points[n];let l=!1,d=!1;const h=c.oncanplay,p=()=>{if(!(!g()||l||c.seeking||void 0!==c.readyState&&c.readyState<2)){l=!0;try{if(m(),t.context.drawImage(c,s.x,s.y,t.width,t.height),!g())return;t.canvas.toBlob(s=>{if(g()&&!d){d=!0;try{if(!s)throw new Error("Unable to create thumbnail image");const 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load video: media error ${c.error?.code||0}`))}],["loadedmetadata",()=>E()],["durationchange",()=>E()]])if(b.push(()=>c.removeEventListener(e,t)Line truncated
+!function(e,t){"object"===typeof exports&&"undefined"!==typeof module?module.exports=t():"function"==typeof define&&define.amd?(e.ArtplayerToolThumbnail=t(),define(function(){return e.ArtplayerToolThumbnail})):(e="undefined"!==typeof globalThis?globalThis:e||self).ArtplayerToolThumbnail=t()}(this,function(){"use strict";const e=(e,t)=>Object.prototype.hasOwnProperty.call(e,t);class t{on(t,n,r){const o=this.e||(this.e={});let i=e(o,t)?o[t]:void 0;return i||(i=[],Object.defineProperty(o,t,{value:i,enumerable:!0,configurable:!0,writable:!0})),i.push({fn:n,ctx:r}),this}once(e,t,n){const r=this,o=t;let i=!1;function s(...t){i||(i=!0,r.off(e,s),o.apply(n,t))}return s._=t,this.on(e,s,n)}emit(t,...n){const r=this.e||(this.e={}),o=(e(r,t)&&r[t]||[]).slice();for(let e=0;e<o.length;e+=1)o[e].fn.apply(o[e].ctx,n);return this}off(t,n){const r=this.e||(this.e={}),o=e(r,t)?r[t]:void 0,i=[];if(o&&n)for(let e=0,s=o.length;e<s;e+=1)o[e].fn!==n&&o[e].fn._!==n&&i.push(o[e]);return i.length?r[t]=i:delete 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packages/artplayer-tool-thumbnail/dist/artplayer-tool-thumbnail.legacy.js

@@ -31,4 +31,4 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
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+!function(e,t){"object"===typeof exports&&"undefined"!==typeof module?module.exports=t():"function"==typeof define&&define.amd?(e.ArtplayerToolThumbnail=t(),define(function(){return e.ArtplayerToolThumbnail})):(e="undefined"!==typeof globalThis?globalThis:e||self).ArtplayerToolThumbnail=t()}(this,function(){"use strict";const e=(e,t)=>Object.prototype.hasOwnProperty.call(e,t);class t{on(t,n,r){const o=this.e||(this.e={});let i=e(o,t)?o[t]:void 0;return i||(i=[],Object.defineProperty(o,t,{value:i,enumerable:!0,configurable:!0,writable:!0})),i.push({fn:n,ctx:r}),this}once(e,t,n){const r=this,o=t;let i=!1;function s(...t){i||(i=!0,r.off(e,s),o.apply(n,t))}return s._=t,this.on(e,s,n)}emit(t,...n){const r=this.e||(this.e={}),o=(e(r,t)&&r[t]||[]).slice();for(let e=0;e<o.length;e+=1)o[e].fn.apply(o[e].ctx,n);return this}off(t,n){const r=this.e||(this.e={}),o=e(r,t)?r[t]:void 0,i=[];if(o&&n)for(let e=0,s=o.length;e<s;e+=1)o[e].fn!==n&&o[e].fn._!==n&&i.push(o[e]);return i.length?r[t]=i:delete r[t],this}}const n=new WeakMap;function r(e){return n.has(e)||n.set(e,{closed:!1,epoch:0,inputEpoch:0,job:null,video:null,sourceUrl:null,thumbnailUrl:null,sourceUrls:new Set,thumbnailUrls:new Set,sourceListeners:[],loading:!1}),n.get(e)}function o(e){const t=new Error(`Thumbnail task cancelled: ${e}`);return t.name="AbortError",t}function i(e,t){t&&(e.delete(t),URL.revokeObjectURL(t))}function s(e){let t,n=!1;for(const o of e)try{o()}catch(r){n||(n=!0,t=r)}if(n)throw t}function c(e,t="destroyed"){var n;const o=r(e);return!o.closed&&(o.closed=!0,o.epoch++,null==(n=o.job)||n.cancel(t),!0)}function l(e){const t=r(e),n=new Set([...t.sourceUrls,e.videoUrl]),o=new Set([...t.thumbnailUrls,e.thumbnailUrl]),c=[];for(const r of new Set([t.video,e.video]))r&&c.push(()=>{var e;return null==(e=r.pause)?void 0:e.call(r)},()=>{var e;return null==(e=r.removeAttribute)?void 0:e.call(r,"src")},()=>{var e;return null==(e=r.load)?void 0:e.call(r)},()=>{var e;return null==(e=r.parentNode)?void 0:e.removeChild(r)});s([...t.sourceListeners.splice(0),...c,...[...n].map(e=>()=>i(t.sourceUrls,e)),...[...o].map(e=>()=>i(t.thumbnailUrls,e))])}function a(e,t,n){return Math.max(Math.min(e,Math.max(t,n)),Math.min(t,n))}function u(e,t){let n=t.epoch;const c=e.video;let l,u,d,h,p=!1,f=!1,m=()=>{};const b=[],v=new Promise((e,t)=>{l=e,u=t});v.catch(()=>{});const y=()=>!p&&!t.closed&&t.epoch===n&&t.job===h;function g(){return!p&&(p=!0,t.job===h&&(t.job=null,e.processing=!1),s([()=>clearTimeout(d),m,...b.splice(0)]),!0)}function w(t,n=!0){if(!p){try{g()}catch(r){t||(t=r)}if(n)try{e.emit("error",null==t?void 0:t.message)}catch(o){t=o}u(t)}}function U(t){if(!y())return;f=!0,e.processing=!0;let n=0;const o=()=>{if(!y())return;if(n===t.points.length)return void function(){if(y())try{g(),e.emit("done"),l()}catch(t){let r=t;try{e.emit("error",null==t?void 0:t.message)}catch(n){r=n}u(r)}}();const s=t.points[n];let a=!1,d=!1;const h=c.oncanplay,p=()=>{if(!(!y()||a||c.seeking||void 0!==c.readyState&&c.readyState<2)){a=!0;try{if(m(),t.context.drawImage(c,s.x,s.y,t.width,t.height),!y())return;t.canvas.toBlob(s=>{if(y()&&!d){d=!0;try{if(!s)throw new Error("Unable to create thumbnail image");const c=function(e,t,n){const o=r(e),s=URL.createObjectURL(t);if(o.thumbnailUrls.add(s),!n())return i(o.thumbnailUrls,s),null;const c=new Set([...o.thumbnailUrls,e.thumbnailUrl]);o.thumbnailUrl=s,e.thumbnailUrl=s;for(const r of c)r&&r!==s&&i(o.thumbnailUrls,r);return n()?s:null}(e,s,y);if(!c)return;e.emit("update",c,(n+1)/t.number),n++,Promise.resolve().then(o)}catch(c){w(c)}}})}catch(l){w(l)}}};m=()=>{c.oncanplay===p&&(c.oncanplay=h),c.removeEventListener("seeked",p)};try{c.oncanplay=p,c.addEventListener("seeked",p),c.currentTime=s.time,c.readyState>=2&&!c.seeking&&Promise.resolve().then(p)}catch(f){w(f)}};Promise.resolve().then(o)}function E(n=!1){if(y()&&!f)if(clearTimeout(d),!t.loading&&c.duration){f=!0;try{const t=function(e,t){const{video:n}=t,{width:r,number:o,begin:i,end:s}=e.option,c=n.videoHeight/n.videoWidth*r,l=(n,r)=>{try{e.errorHandle(n,r)}catch(o){throw t.reported=o,t.wasReported=!0,o}};e.option.height=c,e.option.begin=a(i,0,n.duration),e.option.end=a(s||n.duration,i,n.duration),l(e.option.end>e.option.begin,"End time must be greater than the start time"),l(Number.isFinite(n.duration),"Video duration must be finite"),e.duration=e.option.end-e.option.begin,e.density=o/e.duration,l(e.file&&n,"Please select the video file first"),l(!e.processing,"There is currently a task in progress, please wait a moment..."),l(e.density<=1,`The preview density cannot be greater than 1, but got ${e.density}`);const u=e.creatScreenshotDate(),d=e.creatCanvas(),h=d.getContext("2d");return e.emit("canvas",d),{width:r,height:c,number:o,points:u,canvas:d,context:h}}(e,h);U(t)}catch(r){if(w(r,!n&&!(h.wasReported&&r===h.reported)),n)throw r}}else d=setTimeout(()=>E(),1e3),y()||clearTimeout(d)}h={video:c,promise:v,ready:E,fail:w,cancel(e){w(o(e),!1)},adopt:t=>!p&&!f&&c===e.video&&(n=t,!0)},t.job=h;tryLine truncated

packages/artplayer-tool-thumbnail/dist/artplayer-tool-thumbnail.mjs

@@ -115,14 +115,18 @@ function revoke(urls, url) {
 }
 function cleanupAll(callbacks) {
   let failure;
+  let failed = false;
   for (const callback of callbacks) {
     try {
       callback();
     } catch (error) {
-      failure || (failure = error);
+      if (!failed) {
+        failed = true;
+        failure = error;
+      }
     }
   }
-  if (failure)
+  if (failed)
     throw failure;
 }
 function closeState(tool, reason = "destroyed") {

packages/artplayer-tool-thumbnail/src/lifecycle.ts

@@ -37,15 +37,19 @@ export function revoke(urls: Set<string>, url: string | undefined) {
 
 export function cleanupAll(callbacks: Cleanup[]) {
   let failure: unknown
+  let failed = false
   for (const callback of callbacks) {
     try {
       callback()
     }
     catch (error) {
-      failure ||= error
+      if (!failed) {
+        failed = true
+        failure = error
+      }
     }
   }
-  if (failure)
+  if (failed)
     throw failure
 }