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perf: ⚡️ Optimize scrcpy parameter conversion performance
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| /** | ||
| * Convert object parameters to command line arguments string | ||
| * @param {Object} options - The options object containing parameters | ||
| * @returns {string} The formatted command line arguments string | ||
| */ | ||
| function stringify(options) { | ||
| if (!options || typeof options !== 'object' || Array.isArray(options)) { | ||
| console.warn('Options must be a plain object') | ||
| return '' | ||
| } | ||
|
|
||
| const args = [] | ||
|
|
||
| // Helper function to format parameter names | ||
| const formatParamName = (name) => { | ||
| // 验证参数名称的合法性 | ||
| if (typeof name !== 'string' || !name.length) { | ||
| throw new TypeError('Parameter name must be a non-empty string') | ||
| } | ||
|
|
||
| if (name.startsWith('-')) { | ||
| return name | ||
| } | ||
|
|
||
| return name.length === 1 | ||
| ? `-${name}` | ||
| : `--${name.replace(/[A-Z]/g, letter => `-${letter.toLowerCase()}`)}` | ||
| } | ||
|
|
||
| // Helper function to format values based on their types | ||
| const formatValue = (value) => { | ||
| if (value === null || value === undefined) { | ||
| throw new TypeError('Value cannot be null or undefined') | ||
| } | ||
|
|
||
| if (typeof value === 'string') { | ||
| // 处理空字符串 | ||
| if (!value.length) { | ||
| return '""' | ||
| } | ||
| // 转义引号并在需要时添加引号 | ||
| const needsQuotes = /[\s"']/.test(value) | ||
| return needsQuotes ? `"${value.replace(/"/g, '\\"')}"` : value | ||
| } | ||
|
|
||
| if (typeof value === 'number') { | ||
| if (!Number.isFinite(value)) { | ||
| throw new TypeError('Number values must be finite') | ||
| } | ||
| return value.toString() | ||
| } | ||
|
|
||
| if (typeof value === 'boolean') { | ||
| return '' // 布尔值不需要返回值 | ||
| } | ||
|
|
||
| if (Array.isArray(value)) { | ||
| return formatValue(value.join(',')) | ||
| } | ||
|
|
||
| throw new TypeError(`Unsupported value type: ${typeof value}`) | ||
| } | ||
|
|
||
| // Process each option | ||
| for (const [key, value] of Object.entries(options)) { | ||
| // Skip null or undefined values | ||
| if ([null, undefined, false].includes(value)) { | ||
| continue | ||
| } | ||
|
|
||
| const paramName = formatParamName(key) | ||
|
|
||
| // Handle boolean flags | ||
| if (typeof value === 'boolean') { | ||
| if (value) { | ||
| args.push(paramName) | ||
| } | ||
| continue | ||
| } | ||
|
|
||
| // Handle array values | ||
| if (Array.isArray(value)) { | ||
| if (value.length === 0) { | ||
| continue // 跳过空数组 | ||
| } | ||
| value.forEach((item) => { | ||
| if (item !== null && item !== undefined) { | ||
| const formattedValue = formatValue(item) | ||
| if (formattedValue) { | ||
| args.push(`${paramName} ${formattedValue}`) | ||
| } | ||
| } | ||
| }) | ||
| continue | ||
| } | ||
|
|
||
| // Handle regular key-value pairs | ||
| const formattedValue = formatValue(value) | ||
| if (formattedValue) { | ||
| args.push(`${paramName}=${formattedValue}`) | ||
| } | ||
| } | ||
|
|
||
| return args.join(' ') | ||
| } | ||
|
|
||
| export { stringify } | ||
|
|
||
| export default { stringify } |