fix linting warnings

src/color/p5.Color.js

@@ -19,7 +19,6 @@ import {
 import {
   ColorSpace,
   to,
-  toGamut,
   serialize,
   parse,
   range,
@@ -128,7 +127,7 @@ class Color {
           });
           this._cachedMode = mode;
           this._cachedColor = to(this._cachedColor, this._cachedColor.spaceId);
-        } catch (err) {
+        } catch {
           // TODO: Invalid color string
           throw new Error('Invalid color string');
         }
@@ -305,11 +304,6 @@ class Color {
     });
   }
 
-  // Will do conversion in-Gamut as out of Gamut conversion is only really useful for futher conversions
-  #toColorMode(mode) {
-    return new Color(this._color, mode);
-  }
-
   // Get raw coordinates of underlying library, can differ between libraries
   get _array() {
     return this._getRGBA();

src/core/filterShaders.js

@@ -101,7 +101,7 @@ export function makeFilterShader(renderer, operation, p5) {
             const maxSamples = 64.0;
 
             let numSamples = p5.floor(radius * 7.0);
-            if (p5.mod(numSamples, 2) == 0.0) {
+            if (p5.mod(numSamples, 2) === 0.0) {
               numSamples++;
             }
 
@@ -162,7 +162,7 @@ export function makeFilterShader(renderer, operation, p5) {
 
             for (let x = -1; x <= 1; x++) {
               for (let y = -1; y <= 1; y++) {
-                if (x != 0 || y != 0) {
+                if (x !== 0 || y !== 0) {
                   const offset = p5.vec2(x, y) * inputs.texelSize;
                   const neighborColor = p5.getTexture(
                     canvasContent,
@@ -198,7 +198,7 @@ export function makeFilterShader(renderer, operation, p5) {
 
             for (let x = -1; x <= 1; x++) {
               for (let y = -1; y <= 1; y++) {
-                if (x != 0 || y != 0) {
+                if (x !== 0 || y !== 0) {
                   const offset = p5.vec2(x, y) * inputs.texelSize;
                   const neighborColor = p5.getTexture(
                     canvasContent,

src/core/main.js

@@ -400,15 +400,15 @@ class p5 {
       for (const p in p5.prototype) {
         try {
           delete window[p];
-        } catch (x) {
+        } catch {
           window[p] = undefined;
         }
       }
       for (const p2 in this) {
         if (this.hasOwnProperty(p2)) {
           try {
             delete window[p2];
-          } catch (x) {
+          } catch {
             window[p2] = undefined;
           }
         }

src/core/p5.Renderer.js

@@ -447,25 +447,5 @@ function renderer(p5, fn) {
   p5.Renderer = Renderer;
 }
 
-/**
- * Helper fxn to measure ascent and descent.
- * Adapted from http://stackoverflow.com/a/25355178
- * @private
- */
-function calculateOffset(object) {
-  let currentLeft = 0,
-    currentTop = 0;
-  if (object.offsetParent) {
-    do {
-      currentLeft += object.offsetLeft;
-      currentTop += object.offsetTop;
-    } while ((object = object.offsetParent));
-  } else {
-    currentLeft += object.offsetLeft;
-    currentTop += object.offsetTop;
-  }
-  return [currentLeft, currentTop];
-}
-
 export default renderer;
 export { Renderer };

src/core/p5.Renderer2D.js

@@ -11,8 +11,6 @@ import { Matrix } from '../math/p5.Matrix';
 import { PrimitiveToPath2DConverter } from '../shape/custom_shapes';
 import { DefaultFill, textCoreConstants } from '../type/textCore';
 
-const styleEmpty = 'rgba(0,0,0,0)';
-
 class Renderer2D extends Renderer {
   constructor(pInst, w, h, isMainCanvas, elt, attributes = {}) {
     super(pInst, w, h, isMainCanvas);
@@ -151,7 +149,7 @@ class Renderer2D extends Renderer {
     for (const savedKey in props) {
       try {
         this.drawingContext[savedKey] = props[savedKey];
-      } catch (err) {
+      } catch {
         // ignore read-only property errors
       }
     }

src/core/p5.Renderer3D.js

@@ -436,13 +436,6 @@ export class Renderer3D extends Renderer {
     }
   }
 
-  remove() {
-    this.wrappedElt.remove();
-    this.wrappedElt = null;
-    this.canvas = null;
-    this.elt = null;
-  }
-
   //////////////////////////////////////////////
   // Geometry Building
   //////////////////////////////////////////////
@@ -1350,7 +1343,7 @@ export class Renderer3D extends Renderer {
     for (const savedKey in props) {
       try {
         this.drawingContext[savedKey] = props[savedKey];
-      } catch (err) {
+      } catch {
         // ignore read-only property errors
       }
     }
@@ -1933,7 +1926,7 @@ export class Renderer3D extends Renderer {
       throw Error('_yAlignOffset: height is required');
     }
 
-    let { textLeading, textBaseline, textSize, textFont } = this.states;
+    let { textLeading, textBaseline, textSize } = this.states;
     let yOff = 0,
       numLines = dataArr.length;
     let totalHeight =
@@ -2175,6 +2168,10 @@ export class Renderer3D extends Renderer {
     if (this._textCanvas) {
       this._textCanvas.parentElement.removeChild(this._textCanvas);
     }
+    this.wrappedElt.remove();
+    this.wrappedElt = null;
+    this.canvas = null;
+    this.elt = null;
     super.remove();
   }
 }

src/dom/p5.MediaElement.js

@@ -5,7 +5,7 @@
 
 import { Element } from './p5.Element';
 // import { friendlyAutoplayError } from '../friendly_errors/fes_core';
-import { FES, TL } from '../friendly_errors/fes';
+import { FES } from '../friendly_errors/fes';
 
 /**
  * @typedef {'video'} VIDEO
@@ -934,7 +934,7 @@ class MediaElement extends Element {
       try {
         audioContext = obj.context;
         mainOutput = audioContext.destination;
-      } catch (e) {
+      } catch {
         throw 'connect() is meant to be used with Web Audio API or p5.sound.js';
       }
     }
@@ -1639,7 +1639,7 @@ function media(p5, fn) {
           } else {
             domElement.src = window.URL.createObjectURL(stream);
           }
-        } catch (err) {
+        } catch {
           domElement.src = stream;
         }
       })

src/friendly_errors/param_validator.js

@@ -555,6 +555,8 @@ function validateParams(p5, fn, lifecycles) {
           message = FES.log`Expected ${match[1]} at the ${position} parameter in ${func + '()'}.`;
           break;
         }
+        // Unrecognized custom errors fall through to the default logging below.
+        // falls through
       }
       default: {
         console.log('Zod error object', currentError);
@@ -564,7 +566,7 @@ function validateParams(p5, fn, lifecycles) {
     if (isVersionError) {
       FES.log`${message}`();
     } else {
-      const [_null, stacktrace] = processStack(
+      const [, stacktrace] = processStack(
         null,
         errorStackParser.parse(Error()).slice(3)
       );
@@ -624,7 +626,7 @@ function validateParams(p5, fn, lifecycles) {
         success: true,
         data: funcSchemas.parse(args)
       };
-    } catch (error) {
+    } catch {
       const closestSchema = findClosestSchema(funcSchemas, args);
       const zodError = closestSchema.safeParse(args).error;
       const errorMessage = friendlyParamError(zodError, func, args);

src/friendly_errors/stacktrace.js

@@ -325,12 +325,6 @@ export const processStack = (error, stacktrace) => {
     // from user's code
     if (friendlyStack.length === 0) return [true, null];
 
-    // get the function just above the topmost frame in the friendlyStack.
-    // i.e the name of the library function called from user's code
-    const func = stacktrace[friendlyStack[0].frameIndex - 1].functionName
-      .split('.')
-      .slice(-1)[0];
-
     // Try and get the location (line no.) from the top element of the stack
     let locationObj;
     if (
@@ -351,6 +345,8 @@ export const processStack = (error, stacktrace) => {
     }
 
     // Library error
+    // `func` below is the name of the library function called from user's code,
+    // i.e. stacktrace[friendlyStack[0].frameIndex - 1].functionName.
     // const message = TL.tl`${locationObj ? TL.tl`[${locationObj.file}, line ${locationObj.line}]` : ''} An error with message "${error.message}" occurred inside the p5js library when ${func} was called. If not stated otherwise, it might be an issue with the arguments passed to ${func}.`;
     // p5._friendlyError(
     //   message,

src/image/p5.Image.js

@@ -48,13 +48,7 @@ class Image {
     if (typeof density !== 'undefined') {
       // Setter: set the density and handle resize
       if (density <= 0) {
-        const errorObj = {
-          type: 'INVALID_VALUE',
-          format: { types: ['Number'] },
-          position: 1
-        };
-
-        // p5._friendlyParamError(errorObj, 'pixelDensity');
+        // TODO: report an INVALID_VALUE param error through the FES here.
 
         // Default to 1 in case of an invalid value
         density = 1;

src/io/csv.js

@@ -233,5 +233,5 @@ function inferType(value) {
 }
 
 function escapeRegExp(str) {
-  return str.replace(/[-\[\]/\{}\()\*+\?.\\^\$|]/g, '\\$&');
+  return str.replace(/[-[\]/{}()*+?.\\^$|]/g, '\\$&');
 }

src/io/files.js

@@ -1146,6 +1146,7 @@ function files(p5, fn) {
         case 'xml':
         // NOTE: still need to normalize type handling/mapping
         // datatype = 'xml';
+        // falls through
         case 'txt':
         default:
           datatype = 'text';
@@ -2119,17 +2120,6 @@ function files(p5, fn) {
     // The following line is CC BY SA 3 by user Fregante https://stackoverflow.com/a/23522755
     return /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
   };
-
-  /**
-   *  Helper function, a callback for download that deletes
-   *  an invisible anchor element from the DOM once the file
-   *  has been automatically downloaded.
-   *
-   *  @private
-   */
-  function destroyClickedElement(event) {
-    document.body.removeChild(event.target);
-  }
 }
 
 export default files;

src/math/Matrices/Matrix.js

@@ -2005,6 +2005,9 @@ export class Matrix extends MatrixInterface {
    * @return {Number} Determinant of our 4×4 matrix
    * @private
    */
+  // Kept private until the determinant API is made public; see the skipped
+  // 'Determinant' tests in test/unit/math/p5.Matrix.js.
+  // oxlint-disable-next-line no-unused-private-class-members
   #determinant4x4() {
     if (this.#sqDimention !== 4) {
       throw new Error(

src/math/Matrices/MatrixInterface.js

@@ -5,8 +5,6 @@ if (typeof Float32Array !== 'undefined') {
   isMatrixArray = x => Array.isArray(x) || x instanceof Float32Array;
 }
 export class MatrixInterface {
-  // Private field to store the matrix
-  #matrix = null;
   constructor(...args) {
     if (this.constructor === MatrixInterface) {
       throw new Error("Class is of abstract type and can't be instantiated");

src/math/Matrices/MatrixNumjs.js

@@ -10,10 +10,8 @@ import { MatrixInterface } from './MatrixInterface';
  *   Reference/Global_Objects/SIMD
  */
 
-let GLMAT_ARRAY_TYPE = Array;
 let isMatrixArray = x => Array.isArray(x);
 if (typeof Float32Array !== 'undefined') {
-  GLMAT_ARRAY_TYPE = Float32Array;
   isMatrixArray = x => Array.isArray(x) || x instanceof Float32Array;
 }
 
@@ -131,7 +129,6 @@ export class MatrixNumjs extends MatrixInterface {
    * @return {MatrixNumjs} the copy of the MatrixNumjs object
    */
   get() {
-    let temp = new MatrixNumjs(this.mat4);
     return new MatrixNumjs(this.mat4);
   }
 
@@ -522,7 +519,6 @@ export class MatrixNumjs extends MatrixInterface {
       x = x[0]; // must be last
     }
     this._mat4 = this._mat4.flatten();
-    const vect = nj.array([x, y, z, 1]);
     this._mat4.set(0, x * this._mat4.get(0));
     this._mat4.set(1, x * this._mat4.get(1));
     this._mat4.set(2, x * this._mat4.get(2));
@@ -805,12 +801,11 @@ export class MatrixNumjs extends MatrixInterface {
    * @chainable
    */
   mult3x3(multMatrix) {
-    let _src;
     let tempMatrix = multMatrix;
     if (multMatrix === this || multMatrix === this._mat3) {
       // mat3; // only need to allocate in this rare case
     } else if (multMatrix instanceof MatrixNumjs) {
-      _src = multMatrix.mat3;
+      // tempMatrix already holds the matrix we need
     } else if (isMatrixArray(multMatrix)) {
       multMatrix._mat3 = nj.array(arguments);
     } else if (arguments.length === 9) {

src/strands/ir_dag.js

@@ -2,7 +2,6 @@ import {
   NodeTypeRequiredFields,
   NodeTypeToName,
   BasePriority,
-  StatementType,
   BaseType
 } from './ir_types';
 import * as FES from './strands_FES';
@@ -149,11 +148,6 @@ function createNode(graph, node) {
   return id;
 }
 
-function getNodeKey(node) {
-  const key = JSON.stringify(node);
-  return key;
-}
-
 function validateNode(node) {
   const nodeType = node.nodeType;
   const requiredFields = NodeTypeRequiredFields[nodeType];

src/strands/ir_types.js

@@ -282,8 +282,8 @@ export const ConstantFolding = {
   [OpCode.Binary.MULTIPLY]: (a, b) => a * b,
   [OpCode.Binary.DIVIDE]: (a, b) => a / b,
   [OpCode.Binary.MODULO]: (a, b) => a % b,
-  [OpCode.Binary.EQUAL]: (a, b) => a == b,
-  [OpCode.Binary.NOT_EQUAL]: (a, b) => a != b,
+  [OpCode.Binary.EQUAL]: (a, b) => a === b,
+  [OpCode.Binary.NOT_EQUAL]: (a, b) => a !== b,
   [OpCode.Binary.GREATER_THAN]: (a, b) => a > b,
   [OpCode.Binary.GREATER_EQUAL]: (a, b) => a >= b,
   [OpCode.Binary.LESS_THAN]: (a, b) => a < b,

src/strands/strands_api.js

@@ -5,9 +5,7 @@ import {
   DataType,
   BaseType,
   structType,
-  TypeInfoFromGLSLName,
   isStructType,
-  OpCode,
   StatementType,
   NodeType,
   HOOK_PARAM_PREFIX

src/strands/strands_codegen.js

@@ -1,11 +1,5 @@
 import { sortCFG } from './ir_cfg';
-import * as DAG from './ir_dag';
-import {
-  NodeType,
-  StatementType,
-  structType,
-  TypeInfoFromGLSLName
-} from './ir_types';
+import { structType } from './ir_types';
 
 export function generateShaderCode(strandsContext) {
   const {