site/node_modules/@citation-js/plugin-bibtex/lib-mjs/output/value.js

import config from '../config.js';
import { diacritics, commands, mathCommands, ligatures, fieldTypes } from '../input/constants.js';
const unicode = {};
for (const command in commands) {
  unicode[commands[command]] = command;
}
for (const diacritic in diacritics) {
  unicode[diacritics[diacritic]] = diacritic;
}
for (const ligature in ligatures) {
  unicode[ligatures[ligature]] = ligature;
}
const mathUnicode = {};
for (const command in mathCommands) {
  mathUnicode[mathCommands[command]] = command;
}
const UNSAFE_UNICODE = /[^a-zA-Z0-9\s!"#%&'()*+,\-./:;=?@[\]{}\u0300-\u0308\u030a-\u030c\u0332\u0323\u0327\u0328\u0361\u0326]/g;
const DIACRITIC_PATTERN = /.[\u0300-\u0308\u030a-\u030c\u0332\u0323\u0327\u0328\u0361\u0326]+/g;
const LONE_DIACRITIC_PATTERN = /[\u0300-\u0308\u030a-\u030c\u0332\u0323\u0327\u0328\u0361\u0326]/g;
const listDelimiters = {
  separated: ',',
  list: ' and '
};
const richTextMappings = {
  i: '\\textit{',
  b: '\\textbf{',
  sc: '\\textsc{',
  sup: '\\textsuperscript{',
  sub: '\\textsubscript{',
  'span style="font-variant:small-caps;"': '\\textsc{',
  'span class="nocase"': '{'
};
function escapeCharacter(char) {
  if (char in unicode) {
    return unicode[char] in ligatures ? unicode[char] : `\\${unicode[char]}{}`;
  } else if (char in mathUnicode) {
    return `$\\${mathUnicode[char]}$`;
  } else {
    return '';
  }
}
function escapeValue(value) {
  if (!config.format.asciiOnly) {
    return value;
  }
  return value.normalize('NFKD').replace(UNSAFE_UNICODE, char => escapeCharacter(char)).replace(DIACRITIC_PATTERN, match => Array.from(match).reduce((subject, diacritic) => `{\\${unicode[diacritic]} ${subject}}`)).replace(LONE_DIACRITIC_PATTERN, '');
}
function formatRichText(value) {
  const closingTags = [];
  let tokens = value.split(/<(\/?(?:i|b|sc|sup|sub|span)|span .*?)>/g);
  tokens = tokens.map((token, index) => {
    if (index % 2 === 0) {
      return escapeValue(token);
    } else if (token in richTextMappings) {
      closingTags.push('/' + token.split(' ')[0]);
      return richTextMappings[token];
    } else if (token === closingTags[closingTags.length - 1]) {
      closingTags.pop();
      return '}';
    } else {
      return '';
    }
  });
  return tokens.join('');
}
function formatName(name) {
  if (name.family && !name.prefix && !name.given & !name.suffix) {
    return name.family.includes(listDelimiters.list) ? name.family : `{${name.family}}`;
  }
  const parts = [''];
  if (name.prefix && name.family) {
    parts[0] += name.prefix + ' ';
  }
  if (name.family) {
    parts[0] += name.family;
  }
  if (name.suffix) {
    parts.push(name.suffix);
    parts.push(name.given || '');
  } else {
    parts.push(name.given);
  }
  return escapeValue(parts.join(', ').trim());
}
function formatTitle(title) {
  return formatRichText(title).split(/(:\s*)/).map((part, i) => i % 2 ? part : part.replace(/([^\\])\b([a-z]*[A-Z].*?)\b/g, '$1{$2}')).join('');
}
function formatSingleValue(value, valueType) {
  switch (valueType) {
    case 'title':
      return formatTitle(value);
    case 'literal':
      return formatRichText(value.toString());
    case 'name':
      return formatName(value);
    case 'verbatim':
    case 'uri':
      return value.toString();
    default:
      return escapeValue(value.toString());
  }
}
function formatList(values, valueType, listType) {
  const delimiter = listDelimiters[listType];
  return values.map(value => {
    const formatted = formatSingleValue(value, valueType);
    return formatted.includes(delimiter) ? `{${formatted}}` : formatted;
  }).join(delimiter);
}
function formatAnnotationValue(values) {
  if (Array.isArray(values)) {
    return values.map(value => escapeValue(value).replace(/([;,"])/g, '{$1}')).join(', ');
  } else {
    return '"' + escapeValue(values).replace(/(["])/g, '{$1}') + '"';
  }
}
export function format(field, value) {
  if (!(field in fieldTypes)) {
    return formatSingleValue(value, 'verbatim');
  }
  const [listType, valueType] = fieldTypes[field];
  if (listType in listDelimiters) {
    return formatList(value, valueType, listType);
  } else {
    return formatSingleValue(value, valueType);
  }
}
export function formatAnnotation(value) {
  const annotations = [];
  if (value.field) {
    annotations.push('=' + formatAnnotationValue(value.field));
  }
  if (value.item) {
    for (const [itemCount, itemValue] of Object.entries(value.item)) {
      if (!itemValue) {
        continue;
      }
      const i = parseInt(itemCount) + 1;
      annotations.push(i + '=' + formatAnnotationValue(itemValue));
    }
  }
  if (value.part) {
    for (const [itemCount, itemValue] of Object.entries(value.part)) {
      if (!itemValue) {
        continue;
      }
      const i = parseInt(itemCount) + 1;
      for (const part in itemValue) {
        if (!itemValue[part]) {
          continue;
        }
        annotations.push(i + ':' + part + '=' + formatAnnotationValue(itemValue[part]));
      }
    }
  }
  return annotations.join('; ');
}