Merge main into feat/wiggle-paths-spatial-phase

crates/script/src/lib.rs

@@ -88,28 +88,7 @@ pub fn run_code(s: &mut Session, code: &str, name: &str) -> Outcome {
 
 #[cfg(test)]
 mod tests;
-#[cfg(test)]
-mod tests_callable;
-#[cfg(test)]
-mod tests_ease_presets;
-#[cfg(test)]
-mod tests_include;
-#[cfg(test)]
-mod tests_panels;
-#[cfg(test)]
-mod tests_tasks;
-#[cfg(test)]
-mod tests_ui;
-#[cfg(test)]
-mod tests_ui_more;
 
 // #760: `$.evalFile` and `BridgeTalk`.
-#[cfg(test)]
-mod tests_evalfile;
 // `/browser/…` is the web editor's file table, an absolute path on wasm; on Windows it has no
 // drive, so the script runtime resolves it under the current drive, where the host holds nothing.
-#[cfg(test)]
-#[cfg(not(windows))]
-mod tests_services;
-#[cfg(test)]
-mod tests_ui_mouse;

crates/script/src/prelude.js

@@ -189,7 +189,12 @@ BridgeTalk.pump = function () { return false; };
 
 // ------------------------------------------------------------------ File / Folder
 
-function __join(a, b) { return a.replace(/[\/\\]+$/, "") + "/" + b; }
+function __trimPathSeparators(path) {
+  var end = path.length;
+  while (end > 0 && (path.charAt(end - 1) === "/" || path.charAt(end - 1) === "\\")) end--;
+  return path.slice(0, end);
+}
+function __join(a, b) { return __trimPathSeparators(a) + "/" + b; }
 
 function File(path) {
   if (!(this instanceof File)) return new File(path);
@@ -292,9 +297,9 @@ Folder.prototype = {
   get fsName() { return this.__path; },
   get fullName() { return this.__path; },
   get absoluteURI() { return this.__path; },
-  get name() { return this.__path.replace(/[\/\\]+$/, "").split(/[\/\\]/).pop(); },
+  get name() { return __trimPathSeparators(this.__path).split(/[\/\\]/).pop(); },
   get displayName() { return this.name; },
-  get path() { var p = this.__path.replace(/[\/\\]+$/, "").split(/[\/\\]/); p.pop(); return p.join("/"); },
+  get path() { var p = __trimPathSeparators(this.__path).split(/[\/\\]/); p.pop(); return p.join("/"); },
   get parent() { return new Folder(this.path); },
   get exists() { return JSON.parse(__file("isDir", this.__path)) === true; },
   toString: function () { return this.__path; },
@@ -420,7 +425,7 @@ function __callable(o) {
   delete f.length;
   Object.setPrototypeOf(f, Object.getPrototypeOf(o));
   var keys = Object.keys(o);
-  for (var i = 0; i < keys.length; i++) f[keys[i]] = o[keys[i]];
+  for (const elem of keys) f[elem] = o[elem];
   var self = new Proxy(f, {
     get: __attr.get,
     apply: function (t, thisArg, args) { return self.property(args[0]); },
@@ -473,7 +478,7 @@ function MarkerValue(comment, chapter, url, frameTarget, cuePointName, params) {
 }
 MarkerValue.prototype.getParameters = function () {
   var o = {};
-  for (var i = 0; i < this.__params.length; i++) o[this.__params[i][0]] = this.__params[i][1];
+  for (const elem of this.__params) o[elem[0]] = elem[1];
   return o;
 };
 MarkerValue.prototype.setParameters = function (o) {
@@ -513,8 +518,8 @@ TextDocument.prototype = {
   set text(v) { this.__text = String(v); this.__textSet = true; },
   __style: function (k, d) {
     if (k in this.__changed) return this.__changed[k];
-    if (this.__base && this.__base.first && k in this.__base.first) return this.__base.first[k];
-    if (this.__base && this.__base.para && k in this.__base.para) return this.__base.para[k];
+    if (this.__base?.first && k in this.__base.first) return this.__base.first[k];
+    if (this.__base?.para && k in this.__base.para) return this.__base.para[k];
     return d;
   },
   __set: function (k, v) { this.__changed[k] = v; },
@@ -580,14 +585,14 @@ TextDocument.prototype = {
   },
   get tsume() { return this.__style("tsume", 0); },
   set tsume(v) { this.__set("tsume", __num(v)); },
-  get boxText() { return !!(this.__base && this.__base.box_size); },
+  get boxText() { return !!this.__base?.box_size; },
   get pointText() { return !this.boxText; },
-  get boxTextSize() { return this.__base && this.__base.box_size ? this.__base.box_size.slice() : undefined; },
+  get boxTextSize() { return this.__base?.box_size ? this.__base.box_size.slice() : undefined; },
   set boxTextSize(v) {
     var p = this.boxTextPos || [0, 0];
     this.__set("box", [p[0], p[1], v[0], v[1]]);
   },
-  get boxTextPos() { return this.__base && this.__base.box_size ? this.__base.box_pos.slice() : undefined; },
+  get boxTextPos() { return this.__base?.box_size ? this.__base.box_pos.slice() : undefined; },
   get startIndent() { return this.__style("indentLeft", 0); },
   set startIndent(v) { this.__set("indentLeft", __num(v)); },
   get endIndent() { return this.__style("indentRight", 0); },
@@ -665,7 +670,7 @@ PropertyBase.prototype = {
   get isMask() { return !!this.__info().isMask; },
   get selected() {
     var c = __get("item", { id: this.__layer.__comp }).selectedProperties;
-    for (var i = 0; i < c.length; i++) if (c[i][0] === this.__layer.__id && c[i][1] === this.__uid) return true;
+    for (const elem of c) if (elem[0] === this.__layer.__id && elem[1] === this.__uid) return true;
     return false;
   },
   set selected(v) {
@@ -842,7 +847,7 @@ Property.prototype.property = function () { return null; };
     i = __num(i, "keyIndex");
     // Only the key asked for: fetching the whole list made every key call linear (#814).
     var r = i >= 1 && Math.floor(i) === i ? __get("keys", { comp: this.__layer.__comp, layer: this.__layer.__id, uid: this.__uid, index: i - 1 }) : null;
-    if (!r || !r.key) throw __err("keyIndex " + i + " is out of range 1.." + (r ? r.count : this.numKeys));
+    if (!r?.key) throw __err("keyIndex " + i + " is out of range 1.." + (r ? r.count : this.numKeys));
     return r.key;
   };
   // Script value → engine JSON for `prop.set` / `prop.addKey`.
@@ -853,13 +858,13 @@ Property.prototype.property = function () { return null; };
       return __get("textdoc", { comp: this.__layer.__comp, layer: this.__layer.__id, uid: this.__uid, time: time, attrs: td.__attrs() });
     }
     if (t === "SHAPE") {
-      if (!v || !v.vertices) throw __err("value must be a Shape");
+      if (!v?.vertices) throw __err("value must be a Shape");
       var n = v.vertices.length;
-      function fit(a) { var o = []; for (var i = 0; i < n; i++) o.push(a && a[i] ? [a[i][0], a[i][1]] : [0, 0]); return o; }
+      function fit(a) { var o = []; for (var i = 0; i < n; i++) o.push(a?.[i] ? [a[i][0], a[i][1]] : [0, 0]); return o; }
       return { vertices: fit(v.vertices), in_tangents: fit(v.inTangents), out_tangents: fit(v.outTangents), closed: v.closed !== false };
     }
     if (t === "LAYER_INDEX") {
-      var idx = v && v.__id !== undefined ? v.index : __num(v);
+      var idx = v?.__id !== undefined ? v.index : __num(v);
       if (!idx) return null;
       return this.__layer.containingComp.layer(idx).__id;
     }
@@ -1177,7 +1182,7 @@ Layer.prototype = {
   },
   get selectedProperties() {
     var c = this.containingComp.__info().selectedProperties, out = [];
-    for (var i = 0; i < c.length; i++) if (c[i][0] === this.__id) out.push(__propOf(this, __get("node", { comp: this.__comp, layer: this.__id, uid: c[i][1] })));
+    for (const elem of c) if (elem[0] === this.__id) out.push(__propOf(this, __get("node", { comp: this.__comp, layer: this.__id, uid: elem[1] })));
     return out;
   },
   get parent() { var p = this.__info().parent; return p === null ? null : __layer(this.__comp, p); },
@@ -1205,7 +1210,7 @@ Layer.prototype = {
     var before = this.containingComp.__info().layers;
     __call("edit.duplicate", this.__p());
     var after = this.containingComp.__info().layers;
-    for (var i = 0; i < after.length; i++) if (before.indexOf(after[i]) < 0) return __layer(this.__comp, after[i]);
+    for (const elem of after) if (before.indexOf(elem) < 0) return __layer(this.__comp, elem);
     return null;
   },
   copyToComp: function (comp) {
@@ -1310,7 +1315,7 @@ AVLayer.prototype.constructor = AVLayer;
   // AVLayer.replaceSource). `fixExpressions` is accepted for compatibility: only AV sources are
   // replaced, so the property tree and the layer's name stay and expressions keep resolving.
   P.replaceSource = function (newSource, fixExpressions) {
-    if (!newSource || newSource.__id === undefined) throw __err("replaceSource needs a project item");
+    if (newSource?.__id === undefined) throw __err("replaceSource needs a project item");
     __call("layer.replaceSource", { comp: this.__comp, layers: [this.__id], item: newSource.__id, fixExpressions: !!fixExpressions });
     return null;
   };
@@ -1371,7 +1376,7 @@ LayerCollection.prototype = {
     return layer;
   },
   add: function (item, duration) {
-    if (!item || item.id === undefined) throw __err("add(): expected an item");
+    if (item?.id === undefined) throw __err("add(): expected an item");
     var l = this.__new(__call("layer.addItem", { comp: this.__comp, item: item.id, time: 0 }));
     return this.__dur(l, duration);
   },
@@ -1414,15 +1419,15 @@ LayerCollection.prototype = {
   },
   precompose: function (indices, name, moveAllAttributes) {
     var ids = this.__ids(), sel = [];
-    for (var i = 0; i < indices.length; i++) sel.push(ids[indices[i] - 1]);
+    for (const elem of indices) sel.push(ids[elem - 1]);
     var r = __call("layer.precompose", { comp: this.__comp, layers: sel, name: String(name), mode: moveAllAttributes === false ? "leave" : "move" });
     return __item(r.comp);
   },
   byName: function (name) {
     var ids = this.__ids();
-    for (var i = 0; i < ids.length; i++) {
-      var l = __get("layer", { comp: this.__comp, layer: ids[i] });
-      if (l.name === name) return __layer(this.__comp, ids[i]);
+    for (const elem of ids) {
+      var l = __get("layer", { comp: this.__comp, layer: elem });
+      if (l.name === name) return __layer(this.__comp, elem);
     }
     return null;
   },
@@ -1493,7 +1498,7 @@ Item.prototype = {
   get label() { return this.__info().label; },
   set label(v) { __call("project.setLabel", { items: [this.__id], label: __num(v, "label") }); },
   get parentFolder() { return __item(this.__info().parent); },
-  set parentFolder(f) { __call("project.move", { items: [this.__id], folder: f && f.__id ? f.__id : null }); },
+  set parentFolder(f) { __call("project.move", { items: [this.__id], folder: f?.__id ? f.__id : null }); },
   get selected() { return this.__info().selected; },
   set selected(v) {
     var selection = __get("project").selection;
@@ -1527,7 +1532,7 @@ AVItem.prototype = Object.create(Item.prototype);
   def("hasVideo", function () { return this.__info().hasVideo; });
   def("hasAudio", function () { return this.__info().hasAudio; });
   def("footageMissing", function () { return !!this.__info().footageMissing; });
-  def("useProxy", function () { var p = this.__info().proxy; return !!(p && p.enabled); }, function (v) {
+  def("useProxy", function () { var p = this.__info().proxy; return !!p?.enabled; }, function (v) {
     if (!this.__info().proxy) throw __err("\"" + this.name + "\" has no proxy");
     __call("file.useProxy", { item: this.__id, on: !!v });
   });
@@ -1564,9 +1569,9 @@ CompItem.prototype.constructor = CompItem;
   });
   def("activeCamera", function () {
     var ids = this.__info().layers;
-    for (var i = 0; i < ids.length; i++) {
-      var l = __get("layer", { comp: this.__id, layer: ids[i] });
-      if (l.kind === "camera" && l.enabled && l.active) return __layer(this.__id, ids[i]);
+    for (const elem of ids) {
+      var l = __get("layer", { comp: this.__id, layer: elem });
+      if (l.kind === "camera" && l.enabled && l.active) return __layer(this.__id, elem);
     }
     return null;
   });
@@ -1606,7 +1611,7 @@ CompItem.prototype.constructor = CompItem;
       if (a < 1 || a > ids.length || Math.floor(a) !== a) throw __err("layer index " + a + " is out of range 1.." + ids.length);
       return __layer(this.__id, ids[a - 1]);
     }
-    if (a && a.__id !== undefined && typeof b === "number") {
+    if (a?.__id !== undefined && typeof b === "number") {
       var j = a.index + b;
       return j >= 1 && j <= ids.length ? __layer(this.__id, ids[j - 1]) : null;
     }
@@ -1619,9 +1624,9 @@ CompItem.prototype.constructor = CompItem;
   P.__controllers = function () {
     var out = [];
     (function walk(list) {
-      for (var i = 0; i < list.length; i++) {
-        if (list[i].kind === "property" || list[i].kind === "mirror" || list[i].kind === "media") out.push(list[i]);
-        if (list[i].children) walk(list[i].children);
+      for (const elem of list) {
+        if (elem.kind === "property" || elem.kind === "mirror" || elem.kind === "media") out.push(elem);
+        if (elem.children) walk(elem.children);
       }
     })(this.__eg().controls);
     return out;
@@ -1732,7 +1737,7 @@ FolderItem.prototype.constructor = FolderItem;
   Object.defineProperty(P, "numItems", { get: function () { return new ItemCollection(this.__id).length; } });
   Object.defineProperty(P, "parentFolder", {
     get: function () { return this.__id === 0 ? null : __item(this.__info().parent); },
-    set: function (f) { __call("project.move", { items: [this.__id], folder: f && f.__id ? f.__id : null }); },
+    set: function (f) { __call("project.move", { items: [this.__id], folder: f?.__id ? f.__id : null }); },
   });
   P.item = function (i) {
     var v = new ItemCollection(this.__id).__at(__num(i, "index"));
@@ -1776,7 +1781,7 @@ RenderQueueItem.prototype = {
   constructor: RenderQueueItem,
   __info: function () {
     var l = __call("renderQueue.list", {}).items;
-    for (var i = 0; i < l.length; i++) if (l[i].id === this.__id) return l[i];
+    for (const elem of l) if (elem.id === this.__id) return elem;
     throw __err("the render queue item no longer exists");
   },
   get comp() { return __item(this.__info().comp); },
@@ -1812,7 +1817,7 @@ RenderQueueItem.prototype = {
     var before = __call("renderQueue.list", {}).items.map(function (i) { return i.id; });
     __call("renderQueue.duplicate", { item: this.__id });
     var after = __call("renderQueue.list", {}).items;
-    for (var i = 0; i < after.length; i++) if (before.indexOf(after[i].id) < 0) return new RenderQueueItem(after[i].id);
+    for (const elem of after) if (before.indexOf(elem.id) < 0) return new RenderQueueItem(elem.id);
     return null;
   },
   applyTemplate: function () {},
@@ -1945,9 +1950,9 @@ Project.prototype = {
       }
     }
     var r = __call("file.import", args);
-    if (r.errors && r.errors.length) throw __err(r.errors.join("; "));
+    if (r.errors?.length) throw __err(r.errors.join("; "));
     // Composition imports create several footage items, but callers need the comp.
-    return __item(r.comps && r.comps.length ? r.comps[0] : r.items[0]);
+    return __item(r.comps?.length ? r.comps[0] : r.items[0]);
   },
   importFileWithDialog: function () { return null; },
   importPlaceholder: function (name, w, h, rate, dur) {

crates/script/src/runtime.rs

@@ -710,7 +710,7 @@ pub(crate) fn outcome(output: Vec<String>, result: Result<J, ScriptError>) -> Ou
 /// don't block.
 ///
 /// ExtendScript's `#include` / `#includepath` are inlined first, and errors point at the file
-/// and line they came from ([`crate::include`]).
+/// and line they came from (`crate::include`).
 pub fn run(session: &mut Session, req: &ScriptRequest) -> Outcome {
     let expanded = match crate::include::expand(session, req.code, req.name) {
         Ok(x) => x,

crates/script/src/scriptui.js

@@ -213,7 +213,7 @@ function __uiResPlain(v) {
   if (v instanceof Array) return v.map(__uiResPlain);
   if (v && typeof v === "object" && v.__object) {
     var o = {};
-    for (var k = 0; k < v.__object.length; k++) o[v.__object[k][0]] = __uiResPlain(v.__object[k][1]);
+    for (const elem of v.__object) o[elem[0]] = __uiResPlain(elem[1]);
     return o;
   }
   return v;
@@ -222,8 +222,8 @@ function __uiResPlain(v) {
 // A resource's own properties and its child elements (in source order).
 function __uiResProps(res) {
   var props = {}, kids = [];
-  for (var k = 0; k < res.list.length; k++) {
-    var e = res.list[k];
+  for (const elem2 of res.list) {
+    var e = elem2;
     if (e[1] && typeof e[1] === "object" && e[1].__element) kids.push([e[0], { type: e[1].__element, list: e[1].list }]);
     else props[e[0]] = __uiResPlain(e[1]);
   }
@@ -239,17 +239,17 @@ function __uiApplyRes(c, res) {
   // Ranges before values, items before selections.
   if (props.minvalue !== undefined) c.minvalue = __num(props.minvalue);
   if (props.maxvalue !== undefined) c.maxvalue = __num(props.maxvalue);
-  if (props.items instanceof Array && c.items) for (var n = 0; n < props.items.length; n++) c.add("item", props.items[n]);
+  if (props.items instanceof Array && c.items) for (const elem of props.items) c.add("item", elem);
   for (var k in props) {
     if (__uiResSkip[k]) continue;
     var v = props[k];
     if (__uiSizes[k] && v instanceof Array) v = __dim(v[0], v[1]);
     c[k] = v;
   }
-  for (var j = 0; j < pk.kids.length; j++) {
-    var child = __uiAddRes(c, pk.kids[j][1]);
-    child.__key = pk.kids[j][0];
-    c[pk.kids[j][0]] = child;
+  for (const elem of pk.kids) {
+    var child = __uiAddRes(c, elem[1]);
+    child.__key = elem[0];
+    c[elem[0]] = child;
   }
   return c;
 }
@@ -268,7 +268,7 @@ Window.alert = function (s) { alert(s); };
 Window.confirm = function (s) { return confirm(s); };
 Window.prompt = function (m, d) { return prompt(m, d); };
 Window.find = function (type, title) {
-  for (var i = 0; i < __uiWins.length; i++) if (__uiWins[i].text === title) return __uiWins[i];
+  for (const elem of __uiWins) if (elem.text === title) return elem;
   return null;
 };
 
@@ -335,7 +335,7 @@ function __uiColor(c) {
   return null;
 }
 function __uiFontSize(f, g) {
-  var x = f && f.size !== undefined ? Number(f.size) : g && g.font && g.font.size !== undefined ? Number(g.font.size) : 12;
+  var x = f?.size !== undefined ? Number(f.size) : g?.font && g.font.size !== undefined ? Number(g.font.size) : 12;
   return x > 0 ? x : 12;
 }
 
@@ -371,11 +371,11 @@ function __uiGraphics() {
       this.__push({ op: "fill", color: brush ? brush.color : null, path: (path || this.currentPath).slice() });
     },
     strokePath: function (pen, path) {
-      this.__push({ op: "stroke", color: pen ? pen.color : null, width: pen && pen.lineWidth !== undefined ? pen.lineWidth : 1, path: (path || this.currentPath).slice() });
+      this.__push({ op: "stroke", color: pen ? pen.color : null, width: pen?.lineWidth !== undefined ? pen.lineWidth : 1, path: (path || this.currentPath).slice() });
     },
     drawString: function (text, pen, x, y, font) {
       var f = font || this.font;
-      this.__push({ op: "text", text: String(text), color: pen ? pen.color : null, x: __num(x || 0), y: __num(y || 0), size: __uiFontSize(f, this), style: String(f && f.style !== undefined ? f.style : "") });
+      this.__push({ op: "text", text: String(text), color: pen ? pen.color : null, x: __num(x || 0), y: __num(y || 0), size: __uiFontSize(f, this), style: String(f?.style !== undefined ? f.style : "") });
     },
     drawOSControl: function () { this.__push({ op: "os" }); },
     drawImage: function (img, x, y, w, h) { this.__push({ op: "image", image: __uiImageJson(img), x: __num(x || 0), y: __num(y || 0), w: w === undefined ? 0 : __num(w), h: h === undefined ? 0 : __num(h) }); },
@@ -384,7 +384,7 @@ function __uiGraphics() {
       var size = __uiFontSize(font, this);
       var lines = String(s).split("\n");
       var cw = size * 0.58, w = 0;
-      for (var i = 0; i < lines.length; i++) w = Math.max(w, Math.ceil(lines[i].length * cw));
+      for (const elem of lines) w = Math.max(w, Math.ceil(elem.length * cw));
       var n = lines.length;
       if (boundaryWidth > 0 && w > boundaryWidth) {
         n = Math.ceil(w / boundaryWidth) + lines.length - 1;
@@ -405,14 +405,14 @@ function __uiRunDraws(win) {
   })(win);
   if (!drawn.length) return;
   __uiLayout(win);
-  for (var k = 0; k < drawn.length; k++) {
-    var c = drawn[k];
+  for (const elem of drawn) {
+    var c = elem;
     c.__draw = [];
     c.graphics.__rec = c.__draw;
     try {
       c.onDraw.call(c, { type: "draw", target: c });
     } catch (e) {
-      try { writeLn("onDraw: " + (e && e.message ? e.message : e)); } catch (e2) {}
+      try { writeLn("onDraw: " + (e?.message ? e.message : e)); } catch (e2) {}
     }
     c.graphics.__rec = null;
   }
@@ -498,7 +498,7 @@ function __uiProto() {
       var arg = t === "image" || t === "iconbutton" ? text : typeof text === "object" && text !== null && !(text instanceof Array) ? "" : text;
       __uiInit(c, t, this.window, this, bounds, arg, props);
       if ((t === "dropdownlist" || t === "listbox") && text instanceof Array) {
-        for (var i = 0; i < text.length; i++) c.add("item", text[i]);
+        for (const elem of text) c.add("item", elem);
         c.text = "";
       }
       if (t === "slider" || t === "scrollbar") {
@@ -521,7 +521,7 @@ function __uiProto() {
       if (t === "checkbox" || t === "radiobutton") c.value = false;
       if (t === "edittext" && c.properties.multiline) c.__multiline = true;
       if (t === "edittext" && c.properties.readonly) c.__readonly = true;
-      if (c.properties && c.properties.name) c.name = c.properties.name;
+      if (c.properties?.name) c.name = c.properties.name;
       this.children.push(c);
       if (t === "tab" && this.type === "tabbedpanel" && this.__sel.length === 0) this.__sel = [this.children.length - 1];
       return c;
@@ -608,21 +608,21 @@ function __uiProto() {
     removeEventListener: function (name, fn, capture) {
       var k = String(name).toLowerCase();
       var m = capture ? this.__capture : this.__listeners;
-      if (m && m[k]) m[k] = m[k].filter(function (f) { return f !== fn; });
+      if (m?.[k]) m[k] = m[k].filter(function (f) { return f !== fn; });
     },
     dispatchEvent: function (e) { this.__fire("on" + String(e.type || e).charAt(0).toUpperCase() + String(e.type || e).slice(1)); },
     __fire: function (name) {
       var r;
       if (typeof this[name] === "function") r = this[name].call(this);
       var l = this.__listeners[name.slice(2).toLowerCase()];
-      if (l) for (var i = 0; i < l.length; i++) l[i].call(this, { type: name.slice(2).toLowerCase(), target: this });
+      if (l) for (const elem of l) elem.call(this, { type: name.slice(2).toLowerCase(), target: this });
       return r;
     },
     __handlers: function () {
       var out = [];
       var names = ["onClick", "onChange", "onChanging", "onDoubleClick", "onClose", "onShow", "onActivate", "onDeactivate", "onResize", "onDraw"];
-      for (var i = 0; i < names.length; i++) {
-        var n = names[i];
+      for (const elem of names) {
+        var n = elem;
         if (typeof this[n] === "function" || (this.__listeners[n.slice(2).toLowerCase()] || []).length) out.push(n);
       }
       return out;
@@ -634,8 +634,8 @@ function __uiProto() {
 (function () {
   var all = ["Window", "Panel", "Group", "Button", "IconButton", "StaticText", "EditText", "Checkbox", "RadioButton", "Slider",
     "Scrollbar", "Progressbar", "DropDownList", "ListBox", "TabbedPanel", "Tab", "ScriptUIImage"];
-  for (var i = 0; i < all.length; i++) {
-    var C = __ecGlobal[all[i]];
+  for (const elem of all) {
+    var C = __ecGlobal[elem];
     var p = __uiProto();
     for (var k in p) C.prototype[k] = p[k];
     Object.defineProperty(C.prototype, "bounds", {
@@ -737,8 +737,8 @@ function __uiMouseListeners(c, type, capture) {
 // The mouse events that reach a listener at `c`: its own, and its containers' (`inherited`).
 function __uiMouseWanted(c, inherited) {
   var out = inherited.slice();
-  for (var i = 0; i < __uiMouseKinds.length; i++) {
-    var t = __uiMouseKinds[i];
+  for (const elem of __uiMouseKinds) {
+    var t = elem;
     if (out.indexOf(t) < 0 && (__uiMouseListeners(c, t, false).length || __uiMouseListeners(c, t, true).length)) out.push(t);
   }
   return out;
@@ -793,7 +793,7 @@ function __uiMouseFire(target, type, v) {
     var l = __uiMouseListeners(c, type, capture);
     e.currentTarget = c;
     e.eventPhase = phase;
-    for (var i = 0; i < l.length; i++) if (typeof l[i] === "function") l[i].call(c, e);
+    for (const elem of l) if (typeof elem === "function") elem.call(c, e);
   };
   var n = path.length - 1;
   for (var i = 0; i < n; i++) {
@@ -832,7 +832,7 @@ function __uiJson(c, inherited) {
     if (m) o.margins = m;
     if (typeof c.spacing === "number") o.spacing = c.spacing;
     var kids = c.children;
-    for (var i = 0; i < kids.length; i++) o.children.push(__uiJson(kids[i], mouse));
+    for (const elem of kids) o.children.push(__uiJson(elem, mouse));
   }
   if (c.alignment !== null && c.alignment !== undefined) o.alignment = __uiAlign(c.alignment);
   if (c.type === "checkbox" || c.type === "radiobutton") o.checked = !!c.value;
@@ -859,8 +859,8 @@ function __uiJson(c, inherited) {
 // The open windows of this script, for the host.
 function __uiSnapshot() {
   var out = [];
-  for (var i = 0; i < __uiWins.length; i++) {
-    var w = __uiWins[i];
+  for (const elem of __uiWins) {
+    var w = elem;
     if (w.__shown && !w.__closed) __uiRunDraws(w);
     out.push({ id: w.__wid, kind: w.__kind, title: String(w.text || ""), visible: !!w.__shown && !w.__closed, modal: !!w.__modal, root: __uiJson(w) });
   }
@@ -871,12 +871,12 @@ function __uiSnapshot() {
 
 function __uiOpenCount() {
   var n = 0;
-  for (var i = 0; i < __uiWins.length; i++) if (__uiWins[i].__shown && !__uiWins[i].__closed) n++;
+  for (const elem of __uiWins) if (elem.__shown && !elem.__closed) n++;
   return n;
 }
 
 function __uiWin(id) {
-  for (var i = 0; i < __uiWins.length; i++) if (__uiWins[i].__wid === id) return __uiWins[i];
+  for (const elem of __uiWins) if (elem.__wid === id) return elem;
   return null;
 }
 function __uiFind(c, id) {
@@ -914,7 +914,7 @@ function __uiDispatch(winId, id, kind, valueJson) {
   if (!c || c.enabled === false) return;
   var radio = function () {
     var sib = c.parent ? c.parent.children : [];
-    for (var i = 0; i < sib.length; i++) if (sib[i] !== c && sib[i].type === "radiobutton") sib[i].value = false;
+    for (const elem of sib) if (elem !== c && elem.type === "radiobutton") elem.value = false;
     c.value = true;
   };
   // A mouse click carries the pointer's details ({x, y, button, detail, …keys}).

crates/script/src/socket.rs

@@ -55,7 +55,7 @@ mod imp {
     use std::sync::{Arc, Mutex};
     use std::time::{Duration, Instant};
 
-    use super::*;
+    use super::{J, err, json};
 
     enum Sock {
         Stream { s: TcpStream, buf: Vec<u8>, eof: bool },

crates/script/src/tests.rs

@@ -10,6 +10,18 @@ use serde_json::{Value, json};
 
 use crate::{Outcome, run_code};
 
+mod callable;
+mod ease_presets;
+mod evalfile;
+mod include;
+mod panels;
+#[cfg(not(windows))]
+mod services;
+mod tasks;
+mod ui;
+mod ui_more;
+mod ui_mouse;
+
 fn session() -> Session {
     let mut s = Session { expr: Some(Arc::new(effectcraft_expr::Expressions)), expr_check: Some(effectcraft_expr::check_syntax), ..Default::default() };
     crate::install(&mut s);
@@ -482,6 +494,38 @@ fn layers_items_and_markers() {
     );
 }
 
+#[test]
+fn folder_paths_trim_trailing_separators() {
+    let mut s = session();
+    let o = ok(
+        &mut s,
+        r#"
+        var paths = ['', '/', '///', 'a/b/', 'a\\b\\/', 'a/b', 'a/\n'];
+        var result = paths.map(function (path) {
+          var folder = new Folder(path);
+          return [folder.name, folder.path, __join(path, 'child')];
+        });
+        // A long run followed by a non-separator used to cause quadratic regex backtracking.
+        var longPath = Array(20001).join('/') + 'x';
+        result.push([new Folder(longPath).name, new Folder(longPath).path.length, __join(longPath, 'child').length]);
+        result
+        "#,
+    );
+    assert_eq!(
+        o.result,
+        json!([
+            ["", "", "/child"],
+            ["", "", "/child"],
+            ["", "", "/child"],
+            ["b", "a", "a/b/child"],
+            ["b", "a", "a\\b/child"],
+            ["b", "a", "a/b/child"],
+            ["\n", "a", "a/\n/child"],
+            ["x", 19999, 20007]
+        ])
+    );
+}
+
 #[test]
 fn security_gate_for_files() {
     let dir = std::env::temp_dir().join(format!("ec-script-gate-{}", std::process::id()));