* 标准化配置项
()
| 97 | * 标准化配置项 |
| 98 | */ |
| 99 | protected optionsNormalize(): void { |
| 100 | stdProperties.forEach((property) => { |
| 101 | let num = this.options.num |
| 102 | |
| 103 | // 选项原始值 |
| 104 | const rawValue = this.options[property] |
| 105 | |
| 106 | // 选项标准值 |
| 107 | const stdValue: ValueOf<StdOptions> = [] |
| 108 | |
| 109 | // 比例范围 |
| 110 | const scaleRange = |
| 111 | property === 'offsetLeft' ? this.canvasWidth : this.canvasHeight |
| 112 | |
| 113 | // 将数组、字符串、数字、布尔类型等属性标准化,利于内部代码编写 |
| 114 | // |
| 115 | // 例如 num = 3 时, |
| 116 | // crestHeight: 2或[]或[2]或[2, 2], 将标准化成: [2, 2, 2] |
| 117 | // crestHeight: 没有传值时则使用默认值,将标准化成: [x, x, x], x表示默认值 |
| 118 | while (num--) { |
| 119 | const value = Array.isArray(rawValue) ? rawValue[num] : rawValue |
| 120 | |
| 121 | stdValue[num] = isUndefined(value) |
| 122 | ? this.getOptionDefaultValue(property) |
| 123 | : Wave.getOptionProcessedValue(property, value, scaleRange) |
| 124 | |
| 125 | if (property === 'crestCount') { |
| 126 | this.waveLength[num] = this.canvasWidth / (stdValue[num] as number) |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | this.options[property] = stdValue as never |
| 131 | }) |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * 配置项缺省情况下对应的默认值 |
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