Files
core2026/packages/common/src/logging/formatLegacyLogHtml.ts
T

97 lines
3.0 KiB
TypeScript

const legacyTagPattern = /^<([RBGMCLSODYW]1?|1|\/)>$/;
const legacyStyleMap: Record<string, string> = {
R: 'color: red;',
B: 'color: blue;',
G: 'color: green;',
M: 'color: magenta;',
C: 'color: cyan;',
L: 'color: limegreen;',
S: 'color: skyblue;',
O: 'color: orangered;',
D: 'color: orangered;',
Y: 'color: yellow;',
W: 'color: white;',
1: 'font-size: 0.9em;',
};
const safeSpanClasses = new Set([
'ev_highlight',
'ev_failed',
'ev_notice',
'me',
'you',
'name_plate',
'crew_type',
'name_plate_cover',
'crew_plate',
'remain_crew',
'killed_plate',
'killed_crew',
'name',
'war_type',
'war_type_attack',
'war_type_defense',
'war_type_siege',
]);
const escapeText = (value: string): string =>
value.replaceAll('&', '&amp;').replaceAll('<', '&lt;').replaceAll('>', '&gt;');
const normalizeStructuralTag = (tag: string): string | null => {
if (/^<b\s*>$/i.test(tag)) return '<b>';
if (/^<\/b\s*>$/i.test(tag)) return '</b>';
if (/^<br\s*\/?\s*>$/i.test(tag)) return '<br>';
if (/^<\/span\s*>$/i.test(tag)) return '</span>';
if (/^<\/div\s*>$/i.test(tag)) return '</div>';
const colorSpan = tag.match(/^<span\s+style\s*=\s*(['"])\s*color\s*:\s*(#[0-9a-f]{6})\s*;?\s*\1\s*>$/i);
if (colorSpan) return `<span style="color: ${colorSpan[2]};">`;
const open = tag.match(/^<(span|div)\s+class\s*=\s*(['"])([^'"]+)\2\s*>$/i);
if (!open) return null;
const element = open[1]!.toLowerCase();
const classes = open[3]!.trim().split(/\s+/u);
if (element === 'div') {
return classes.length === 1 && classes[0] === 'small_war_log' ? '<div class="small_war_log">' : null;
}
if (classes.length === 0 || classes.some((className) => !safeSpanClasses.has(className))) {
return null;
}
return `<span class="${classes.join(' ')}">`;
};
export type FormatLegacyLogHtmlOptions = {
colorize?: boolean;
};
/**
* Converts Ref's custom color markers while rebuilding only the small set of
* HTML structures emitted by legacy log writers. Everything else is text.
*/
export const formatLegacyLogHtml = (value?: string | null, options: FormatLegacyLogHtmlOptions = {}): string => {
if (!value) return '';
const colorize = options.colorize ?? true;
return value
.split(/(<[^>]*>)/gu)
.map((part) => {
if (!part.startsWith('<') || !part.endsWith('>')) {
return escapeText(part);
}
const legacy = part.match(legacyTagPattern)?.[1];
if (legacy) {
if (!colorize) return '';
if (legacy === '/') return '</span>';
const colorCode = legacy === '1' ? null : legacy[0]!;
const small = legacy === '1' || legacy.endsWith('1');
return `<span style="${colorCode ? (legacyStyleMap[colorCode] ?? '') : ''}${small ? legacyStyleMap['1'] : ''}">`;
}
return normalizeStructuralTag(part) ?? escapeText(part);
})
.join('');
};