45 lines
1.4 KiB
JavaScript
45 lines
1.4 KiB
JavaScript
import { isSpace } from '../util.js';
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const zeroWidth = {
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line: 0,
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start: 0,
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delimiter: 0,
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postDelimiter: 0,
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tag: 0,
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postTag: 0,
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name: 0,
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postName: 0,
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type: 0,
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postType: 0,
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description: 0,
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end: 0,
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lineEnd: 0,
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};
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const headers = { lineEnd: 'CR' };
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const fields = Object.keys(zeroWidth);
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const repr = (x) => (isSpace(x) ? `{${x.length}}` : x);
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const frame = (line) => '|' + line.join('|') + '|';
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const align = (width, tokens) => Object.keys(tokens).map((k) => repr(tokens[k]).padEnd(width[k]));
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export default function inspect({ source }) {
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var _a, _b;
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if (source.length === 0)
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return '';
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const width = Object.assign({}, zeroWidth);
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for (const f of fields)
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width[f] = ((_a = headers[f]) !== null && _a !== void 0 ? _a : f).length;
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for (const { number, tokens } of source) {
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width.line = Math.max(width.line, number.toString().length);
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for (const k in tokens)
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width[k] = Math.max(width[k], repr(tokens[k]).length);
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}
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const lines = [[], []];
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for (const f of fields)
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lines[0].push(((_b = headers[f]) !== null && _b !== void 0 ? _b : f).padEnd(width[f]));
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for (const f of fields)
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lines[1].push('-'.padEnd(width[f], '-'));
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for (const { number, tokens } of source) {
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const line = number.toString().padStart(width.line);
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lines.push([line, ...align(width, tokens)]);
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}
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return lines.map(frame).join('\n');
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}
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