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35 lines
961 B
35 lines
961 B
interface Config {
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exclude?: string[];
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}
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type FormatObjKeyType = 'firstUpperCase' | 'firstLowerCase';
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export function formatObjKey(obj: any, type: FormatObjKeyType, options?: Config) {
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if (obj === null || typeof obj !== 'object') {
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return obj;
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}
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let o: any;
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if (Array.isArray(obj)) {
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o = [];
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for (let i = 0; i < obj.length; i++) {
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o.push(formatObjKey(obj[i], type, options));
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}
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} else {
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o = {};
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Object.keys(obj).forEach(key => {
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o[handelFormat(key, type, options)] = formatObjKey(obj[key], type, options);
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});
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}
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return o;
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}
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function handelFormat(key: string, type: FormatObjKeyType, options?: Config) {
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if (options && options.exclude && options.exclude.includes(key)) return key;
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if (type === 'firstUpperCase') {
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key = key.replace(/^./, (_: string) => _.toUpperCase());
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} else if (type === 'firstLowerCase') {
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key = key.replace(/^./, (_: string) => _.toLowerCase());
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}
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return key;
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}
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