@mathigon/core - npm Package Compare versions

Comparing version 1.0.4 to 1.0.5

dist/arrays.d.ts

@@ -42,2 +42,4 @@ /** Creates an array of size `n`, containing `value` at every entry. */
 export declare function join<T = unknown>(...arrays: T[][]): T[];
+/** Converts a 2D array to CSV data. */
+export declare function toCSV(data: unknown[][]): string;
 declare type LinkedListItem<T> = {
@@ -44,0 +46,0 @@ val: T;

dist/index.cjs.js

@@ -16,3 +16,2 @@ var __defProp = Object.defineProperty;
   LinkedList: () => LinkedList,
-  applyDefaults: () => applyDefaults,
   autoCorrect: () => autoCorrect,
@@ -50,2 +49,3 @@ cache: () => cache,
   throttle: () => throttle,
+  toCSV: () => toCSV,
   toCamelCase: () => toCamelCase,
@@ -72,9 +72,2 @@ toTitleCase: () => toTitleCase,
 }
-function applyDefaults(obj, defaults) {
-  for (const key of Object.keys(defaults)) {
-    if (!Object.prototype.hasOwnProperty.call(obj, key))
-      obj[key] = defaults[key];
-  }
-  return obj;
-}
 var defaultMerge = (a, b) => a.concat(b);
@@ -157,7 +150,13 @@ function deepExtend(obj1, obj2, arrayMergeFn = defaultMerge) {
 }
-function safeToJSON(str, fallback = {}) {
+function reviver(allowed) {
+  return function(key, value) {
+    if (!key || Array.isArray(this) || allowed.includes(key))
+      return value;
+  };
+}
+function safeToJSON(str, fallback, allowedKeys) {
   if (!str)
     return fallback;
   try {
-    return JSON.parse(str) || fallback;
+    return JSON.parse(str, allowedKeys ? reviver(allowedKeys) : void 0) || fallback;
   } catch (e) {
@@ -266,2 +265,10 @@ return fallback;
 }
+function toCSV(data) {
+  return data.map((row) => row.map((x) => {
+    let cell = x ? `${x}` : "";
+    if (cell.match(/[,\n"']/))
+      cell = `"${cell.replace(/"/g, '""')}"`;
+    return cell;
+  }).join(",")).join("\n");
+}
 var LinkedList = class {
@@ -268,0 +275,0 @@ constructor(items) {

dist/index.esm.js

@@ -13,9 +13,2 @@ // src/utilities.ts
 }
-function applyDefaults(obj, defaults) {
-  for (const key of Object.keys(defaults)) {
-    if (!Object.prototype.hasOwnProperty.call(obj, key))
-      obj[key] = defaults[key];
-  }
-  return obj;
-}
 var defaultMerge = (a, b) => a.concat(b);
@@ -98,7 +91,13 @@ function deepExtend(obj1, obj2, arrayMergeFn = defaultMerge) {
 }
-function safeToJSON(str, fallback = {}) {
+function reviver(allowed) {
+  return function(key, value) {
+    if (!key || Array.isArray(this) || allowed.includes(key))
+      return value;
+  };
+}
+function safeToJSON(str, fallback, allowedKeys) {
   if (!str)
     return fallback;
   try {
-    return JSON.parse(str) || fallback;
+    return JSON.parse(str, allowedKeys ? reviver(allowedKeys) : void 0) || fallback;
   } catch (e) {
@@ -207,2 +206,10 @@ return fallback;
 }
+function toCSV(data) {
+  return data.map((row) => row.map((x) => {
+    let cell = x ? `${x}` : "";
+    if (cell.match(/[,\n"']/))
+      cell = `"${cell.replace(/"/g, '""')}"`;
+    return cell;
+  }).join(",")).join("\n");
+}
 var LinkedList = class {
@@ -652,3 +659,2 @@ constructor(items) {
   LinkedList,
-  applyDefaults,
   autoCorrect,
@@ -686,2 +692,3 @@ cache,
   throttle,
+  toCSV,
   toCamelCase,
@@ -688,0 +695,0 @@ toTitleCase,

dist/utilities.d.ts

@@ -11,4 +11,2 @@ /** Object Map Interface. */
 export declare function isOneOf<T>(x: T, ...values: T[]): boolean;
-/** Applies default keys to an object. Properties with value `undefined` or `null` will **not** be overwritten. */
-export declare function applyDefaults<O extends Obj<unknown>, D extends Obj<unknown>>(obj: O, defaults: D): O & D;
 /** Deep extends obj1 with obj2, using a custom array merge function. */
@@ -43,2 +41,2 @@ export declare function deepExtend(obj1: any, obj2: any, arrayMergeFn?: (a: unknown[], b: unknown[]) => unknown[]): void;
 /** Safe wrapper for JSON.parse. */
-export declare function safeToJSON(str?: string, fallback?: unknown): unknown;
+export declare function safeToJSON<T>(str?: string | null, fallback?: T, allowedKeys?: string[]): T | undefined;

package.json

 {
   "name": "@mathigon/core",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "license": "MIT",
@@ -5,0 +5,0 @@ "homepage": "https://mathigon.io/core",

src/arrays.ts

@@ -161,2 +161,13 @@ // =============================================================================
 
+
+/** Converts a 2D array to CSV data. */
+export function toCSV(data: unknown[][]) {
+  return data.map(row => row.map(x => {
+    let cell = x ? `${x}` : '';
+    if (cell.match(/[,\n"']/)) cell = `"${cell.replace(/"/g, '""')}"`;
+    return cell;
+  }).join(',')).join('\n');
+}
+
+
 type LinkedListItem<T> = {val: T, prev: LinkedListItem<T>, next: LinkedListItem<T>};
@@ -163,0 +174,0 @@

src/utilities.ts

@@ -29,11 +29,3 @@ // =============================================================================
 
-/** Applies default keys to an object. Properties with value `undefined` or `null` will **not** be overwritten. */
-export function applyDefaults<O extends Obj<unknown>, D extends Obj<unknown>>(obj: O, defaults: D) {
-  for (const key of Object.keys(defaults)) {
-    if (!Object.prototype.hasOwnProperty.call(obj, key)) (obj as Obj<unknown>)[key] = defaults[key];
-  }
-  return obj as O & D;
-}
 
-
 const defaultMerge = ((a: unknown[], b: unknown[]) => a.concat(b));
@@ -151,7 +143,15 @@
 
+function reviver(allowed: string[]) {
+  // Filter only specific keys in a JSON object.
+  return function(this: unknown, key: string, value: unknown) {
+    // eslint-disable-next-line no-invalid-this
+    if (!key || Array.isArray(this) || allowed.includes(key)) return value;
+  };
+}
+
 /** Safe wrapper for JSON.parse. */
-export function safeToJSON(str?: string, fallback: unknown = {}): unknown {
+export function safeToJSON<T>(str?: string|null, fallback?: T, allowedKeys?: string[]): T|undefined {
   if (!str) return fallback;
   try {
-    return JSON.parse(str) || fallback;
+    return JSON.parse(str, allowedKeys ? reviver(allowedKeys) : undefined) || fallback;
   } catch (e) {
@@ -158,0 +158,0 @@ return fallback;

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Improved metrics

Total package byte prevSize

162264

increased by0.9%

Lines of code

2543

increased by0.87%

No dependency changes