52 lines
1.4 KiB
TypeScript
52 lines
1.4 KiB
TypeScript
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type Column = { key: string; label: string; width?: number; align?: 'left' | 'right' };
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export function printTable(rows: Record<string, unknown>[], columns: Column[]): void {
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if (rows.length === 0) {
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console.log('(no records)');
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return;
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}
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// Calculate widths
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const widths = columns.map((col) => {
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if (col.width) return col.width;
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const headerLen = col.label.length;
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const maxDataLen = rows.reduce((max, row) => {
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const val = String(row[col.key] ?? '');
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return Math.max(max, val.length);
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}, 0);
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return Math.max(headerLen, maxDataLen);
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});
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// Print header
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const header = columns.map((col, i) => col.label.padEnd(widths[i])).join(' ');
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console.log(header);
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console.log(widths.map((w) => '-'.repeat(w)).join(' '));
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// Print rows
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for (const row of rows) {
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const line = columns.map((col, i) => {
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const val = String(row[col.key] ?? '');
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return col.align === 'right' ? val.padStart(widths[i]) : val.padEnd(widths[i]);
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}).join(' ');
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console.log(line);
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}
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}
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export function printJson(data: unknown): void {
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console.log(JSON.stringify(data, null, 2));
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}
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export function printSuccess(message: string): void {
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console.log(`✓ ${message}`);
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}
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export function printError(message: string): void {
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console.error(`✗ ${message}`);
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}
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export function printHeader(message: string): void {
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console.log(`\n${'='.repeat(50)}`);
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console.log(` ${message}`);
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console.log(`${'='.repeat(50)}`);
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}
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