forked from wangziqi/gongxue-base
96 lines
2.9 KiB
TypeScript
96 lines
2.9 KiB
TypeScript
import * as ExcelJS from 'exceljs';
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import type { CellValue } from './imports.types';
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export function parseJson<T>(raw: string | null | undefined): T | null {
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if (!raw) return null;
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try {
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return JSON.parse(raw) as T;
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} catch {
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return null;
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}
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}
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export function textValue(value: CellValue): string {
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if (value === null || value === undefined) return '';
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return String(value).trim();
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}
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export function normalizeHeader(value: string): string {
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return value
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.trim()
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.toLowerCase()
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.replace(/[\s（）()]/g, '');
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}
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export function headerMatches(header: string, alias: string): boolean {
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const h = normalizeHeader(header);
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const a = normalizeHeader(alias);
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if (!h || !a) return false;
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return h === a || h.includes(a) || a.includes(h);
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}
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export function cellValue(cell: ExcelJS.Cell | undefined): CellValue {
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if (!cell) return null;
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const value = cell.value;
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if (value === null || value === undefined) return null;
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if (typeof value === 'string' || typeof value === 'number' || typeof value === 'boolean') {
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return value;
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}
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if (value instanceof Date) return value;
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if (typeof value === 'object') {
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const candidate = value as { text?: unknown; result?: unknown };
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if (typeof candidate.text === 'string') return candidate.text;
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if (typeof candidate.result === 'string' || typeof candidate.result === 'number') {
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return candidate.result;
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}
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if (candidate.result instanceof Date) return candidate.result;
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}
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return null;
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}
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export function parseDateValue(value: CellValue): string | null {
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if (value instanceof Date && !Number.isNaN(value.getTime())) {
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const year = value.getFullYear();
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const month = String(value.getMonth() + 1).padStart(2, '0');
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const day = String(value.getDate()).padStart(2, '0');
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return `${year}-${month}-${day}`;
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}
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const raw = textValue(value);
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if (!raw) return null;
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const match = /^(\d{4})[-/](\d{1,2})[-/](\d{1,2})/.exec(raw);
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if (!match) return null;
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const year = Number(match[1]);
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const month = Number(match[2]);
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const day = Number(match[3]);
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const date = new Date(Date.UTC(year, month - 1, day));
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if (
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date.getUTCFullYear() !== year ||
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date.getUTCMonth() !== month - 1 ||
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date.getUTCDate() !== day
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) {
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return null;
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}
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return `${year}-${String(month).padStart(2, '0')}-${String(day).padStart(2, '0')}`;
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}
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export function safeError(error: unknown): string {
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if (error instanceof Error) return error.message.slice(0, 120);
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return '未知错误';
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}
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export function applyString(target: object, key: string, value: CellValue): void {
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const text = textValue(value);
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if (text) (target as Record<string, unknown>)[key] = text;
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}
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export function optionalNumber(value: CellValue): number | null {
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const text = textValue(value);
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if (!text) return null;
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const parsed = Number(text);
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return Number.isFinite(parsed) ? parsed : null;
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}
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export function csvCell(value: string): string {
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return `"${value.replace(/"/g, '""')}"`;
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}
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