Something went wrong. Try again.
opencode v2 mirror
Something went wrong. Try again.
TypeScript
1234567891011121314151617181920212223242526272829303132333435363738394041import { LatexParseError } from "./types"
export const DEFAULT_MAX_SOURCE_LENGTH = 100_000export const DEFAULT_MAX_NESTING_DEPTH = 256
export function resolvePositiveInteger(value: number | undefined, fallback: number, optionName: string): number { if (value === undefined) return fallback if (!Number.isSafeInteger(value) || value < 1) { throw new RangeError(`${optionName} must be a positive safe integer`) } return value}
export function assertSourceLength(source: string, maximum: number, label = "LaTeX source"): void { if (source.length > maximum) { throw new LatexParseError(`${label} exceeds the ${maximum}-character limit`, maximum) }}
export function assertNestingDepth(source: string, maximum: number): void { let depth = 0 let slashRun = 0 for (let index = 0; index < source.length; index++) { const char = source[index] if (char === "\\") { slashRun++ continue } const escaped = slashRun % 2 === 1 slashRun = 0 if (char === "{" && !escaped) { depth++ if (depth > maximum) { throw new LatexParseError(`LaTeX nesting exceeds the ${maximum}-level limit`, index) } } else if (char === "}" && !escaped) { depth = Math.max(0, depth - 1) } }}