Improve change api (#628)

* fix: jsdoc comments

* more human casting of string values to boolean

* add coerceColour to get named colors to work

* cue can't pass isKeyOfType event check

* dont mutate value

* alloow cue in eventDef

* lint

* css named or hex formatting

* "sideEffects": false

* test colour hex regex

* roll eventDef back to master

* parse property

* don't export cssColour names

* remove import

* only allow string types to colour

* handle transparent colour

* mix alpha with bg colour

* only allow updating events

* descriptive names

* add test for getAccessibleColour

* readability

* move isColourHex to regex-utils

* simplify and add test

apps/server/src/utils/__tests__/coerceType.test.ts

@@ -0,0 +1,21 @@
+import { coerceColour } from '../coerceType.js';
+
+describe('parses a colour string that is', () => {
+  it('valid hex', () => {
+    const color = coerceColour('#000');
+    expect(color).toBe('#000');
+  });
+  it('valid name', () => {
+    const color = coerceColour('darkgoldenrod');
+    expect(color).toBe('darkgoldenrod');
+  });
+  it('invalid hex', () => {
+    expect(() => coerceColour('#not a hex color')).toThrowError(Error('Invalid hex colour received'));
+  });
+  it('invalid name', () => {
+    expect(() => coerceColour('bad name')).toThrowError(Error('Invalid colour name received'));
+  });
+  it('not a string', () => {
+    expect(() => coerceColour(5)).toThrowError(Error('Invalid colour value received'));
+  });
+});

apps/server/src/utils/coerceType.ts

@@ -1,5 +1,8 @@
+import { isColourHex } from 'ontime-utils';
+
+//TODO: write tests
 /**
- * @description Converts a value to a number if possible, throws otherwise
+ * @description Converts a value to a string if possible, throws otherwise
  * @param {unknown} value - Value to be converted to a string.
  * @returns {string} - The converted value as a string.
  * @throws {Error} Throws an error if the value is null or undefined.
@@ -11,8 +14,9 @@ export function coerceString(value: unknown): string {
   return String(value);
 }
 
+//TODO: write tests
 /**
- * @description Converts a value to a number if possible, throws otherwise
+ * @description Converts a value to a boolean if possible, throws otherwise
  * @param {unknown} value - Value to be converted to a boolean.
  * @returns {boolean} - The converted value as a boolean.
  * @throws {Error} Throws an error if the value is null or undefined.
@@ -21,9 +25,26 @@ export function coerceBoolean(value: unknown): boolean {
   if (value == null) {
     throw new Error('Invalid value received');
   }
+  if (typeof value === 'string') {
+    const lowerCaseValue = value.toLocaleLowerCase();
+    switch (lowerCaseValue) {
+      case 'true':
+      case '1':
+      case 'yes':
+        return true;
+      case 'false':
+      case '0':
+      case 'no':
+      case '':
+        return false;
+      default:
+        throw new Error('Invalid value received');
+    }
+  }
   return Boolean(value);
 }
 
+//TODO: write tests
 /**
  * @description Converts a value to a number if possible, throws otherwise
  * @param {unknown} value - Value to be converted to a number.
@@ -40,3 +61,176 @@ export function coerceNumber(value: unknown): number {
   }
   return parsedValue;
 }
+
+/**
+ * @description Converts a value to a colour if possible, throws otherwise
+ * @param {unknown} value - Value to be converted to a colour.
+ * @returns {string} - The converted value as a string.
+ * @throws {Error} Throws an error if the value is null or undefined.
+ */
+export function coerceColour(value: unknown): string {
+  if (typeof value !== 'string') {
+    throw new Error('Invalid colour value received');
+  }
+  const lowerCaseValue = value.toLocaleLowerCase();
+  if (lowerCaseValue.startsWith('#')) {
+    if (!isColourHex(lowerCaseValue)) {
+      throw new Error('Invalid hex colour received');
+    }
+  } else if (!(lowerCaseValue in cssColours)) {
+    throw new Error('Invalid colour name received');
+  }
+  return lowerCaseValue;
+}
+
+//https://developer.mozilla.org/en-US/docs/Web/CSS/named-color
+const cssColours = {
+  aliceblue: '#f0f8ff',
+  antiquewhite: '#faebd7',
+  aqua: '#00ffff',
+  aquamarine: '#7fffd4',
+  azure: '#f0ffff',
+  beige: '#f5f5dc',
+  bisque: '#ffe4c4',
+  black: '#000000',
+  blanchedalmond: '#ffebcd',
+  blue: '#0000ff',
+  blueviolet: '#8a2be2',
+  brown: '#a52a2a',
+  burlywood: '#deb887',
+  cadetblue: '#5f9ea0',
+  chartreuse: '#7fff00',
+  chocolate: '#d2691e',
+  coral: '#ff7f50',
+  cornflowerblue: '#6495ed',
+  cornsilk: '#fff8dc',
+  crimson: '#dc143c',
+  cyan: '#00ffff',
+  darkblue: '#00008b',
+  darkcyan: '#008b8b',
+  darkgoldenrod: '#b8860b',
+  darkgray: '#a9a9a9',
+  darkgreen: '#006400',
+  darkgrey: '#a9a9a9',
+  darkkhaki: '#bdb76b',
+  darkmagenta: '#8b008b',
+  darkolivegreen: '#556b2f',
+  darkorange: '#ff8c00',
+  darkorchid: '#9932cc',
+  darkred: '#8b0000',
+  darksalmon: '#e9967a',
+  darkseagreen: '#8fbc8f',
+  darkslateblue: '#483d8b',
+  darkslategray: '#2f4f4f',
+  darkslategrey: '#2f4f4f',
+  darkturquoise: '#00ced1',
+  darkviolet: '#9400d3',
+  deeppink: '#ff1493',
+  deepskyblue: '#00bfff',
+  dimgray: '#696969',
+  dimgrey: '#696969',
+  dodgerblue: '#1e90ff',
+  firebrick: '#b22222',
+  floralwhite: '#fffaf0',
+  forestgreen: '#228b22',
+  fuchsia: '#ff00ff',
+  gainsboro: '#dcdcdc',
+  ghostwhite: '#f8f8ff',
+  goldenrod: '#daa520',
+  gold: '#ffd700',
+  gray: '#808080',
+  green: '#008000',
+  greenyellow: '#adff2f',
+  grey: '#808080',
+  honeydew: '#f0fff0',
+  hotpink: '#ff69b4',
+  indianred: '#cd5c5c',
+  indigo: '#4b0082',
+  ivory: '#fffff0',
+  khaki: '#f0e68c',
+  lavenderblush: '#fff0f5',
+  lavender: '#e6e6fa',
+  lawngreen: '#7cfc00',
+  lemonchiffon: '#fffacd',
+  lightblue: '#add8e6',
+  lightcoral: '#f08080',
+  lightcyan: '#e0ffff',
+  lightgoldenrodyellow: '#fafad2',
+  lightgray: '#d3d3d3',
+  lightgreen: '#90ee90',
+  lightgrey: '#d3d3d3',
+  lightpink: '#ffb6c1',
+  lightsalmon: '#ffa07a',
+  lightseagreen: '#20b2aa',
+  lightskyblue: '#87cefa',
+  lightslategray: '#778899',
+  lightslategrey: '#778899',
+  lightsteelblue: '#b0c4de',
+  lightyellow: '#ffffe0',
+  lime: '#00ff00',
+  limegreen: '#32cd32',
+  linen: '#faf0e6',
+  magenta: '#ff00ff',
+  maroon: '#800000',
+  mediumaquamarine: '#66cdaa',
+  mediumblue: '#0000cd',
+  mediumorchid: '#ba55d3',
+  mediumpurple: '#9370db',
+  mediumseagreen: '#3cb371',
+  mediumslateblue: '#7b68ee',
+  mediumspringgreen: '#00fa9a',
+  mediumturquoise: '#48d1cc',
+  mediumvioletred: '#c71585',
+  midnightblue: '#191970',
+  mintcream: '#f5fffa',
+  mistyrose: '#ffe4e1',
+  moccasin: '#ffe4b5',
+  navajowhite: '#ffdead',
+  navy: '#000080',
+  oldlace: '#fdf5e6',
+  olive: '#808000',
+  olivedrab: '#6b8e23',
+  orange: '#ffa500',
+  orangered: '#ff4500',
+  orchid: '#da70d6',
+  palegoldenrod: '#eee8aa',
+  palegreen: '#98fb98',
+  paleturquoise: '#afeeee',
+  palevioletred: '#db7093',
+  papayawhip: '#ffefd5',
+  peachpuff: '#ffdab9',
+  peru: '#cd853f',
+  pink: '#ffc0cb',
+  plum: '#dda0dd',
+  powderblue: '#b0e0e6',
+  purple: '#800080',
+  rebeccapurple: '#663399',
+  red: '#ff0000',
+  rosybrown: '#bc8f8f',
+  royalblue: '#4169e1',
+  saddlebrown: '#8b4513',
+  salmon: '#fa8072',
+  sandybrown: '#f4a460',
+  seagreen: '#2e8b57',
+  seashell: '#fff5ee',
+  sienna: '#a0522d',
+  silver: '#c0c0c0',
+  skyblue: '#87ceeb',
+  slateblue: '#6a5acd',
+  slategray: '#708090',
+  slategrey: '#708090',
+  snow: '#fffafa',
+  springgreen: '#00ff7f',
+  steelblue: '#4682b4',
+  tan: '#d2b48c',
+  teal: '#008080',
+  thistle: '#d8bfd8',
+  tomato: '#ff6347',
+  turquoise: '#40e0d0',
+  violet: '#ee82ee',
+  wheat: '#f5deb3',
+  white: '#ffffff',
+  whitesmoke: '#f5f5f5',
+  yellow: '#ffff00',
+  yellowgreen: '#9acd3',
+} as const;