Function scanTomlLine

src/installer/targets/toml.ts:191–225

Track value constructs that may legally span lines so bracket-shaped string * content and nested arrays cannot be mistaken for sibling table headers.

(line: string, state: TomlLexState)

/** Track value constructs that may legally span lines so bracket-shaped string
 * content and nested arrays cannot be mistaken for sibling table headers. */
function scanTomlLine(line: string, state: TomlLexState): void {
  for (let i = 0; i < line.length;) {
    if (state.multilineString !== null) {
      const end = findMultilineStringEnd(line, i, state.multilineString);
      if (end === -1) return;
      i = end + state.multilineString.length;
      state.multilineString = null;
      continue;
    }

    if (line[i] === '#') return;

    const multiline = line.startsWith('"""', i)
      ? '"""'
      : line.startsWith("'''", i)
        ? "'''"
        : null;
    if (multiline !== null) {
      state.multilineString = multiline;
      i += multiline.length;
      continue;
    }

    const ch = line[i]!;
    if (ch === '"' || ch === "'") {
      i = skipSingleLineString(line, i, ch);
      continue;
    }
    if (ch === '[') state.arrayDepth++;
    else if (ch === ']' && state.arrayDepth > 0) state.arrayDepth--;
    else if (ch === '{') state.inlineTableDepth++;
    else if (ch === '}' && state.inlineTableDepth > 0) state.inlineTableDepth--;
    i++;
  }
}

function findMultilineStringEnd(
  line: string,