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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | import ttfMeta from './ttfmeta/lib/index.js'; /** * Extracts the font-family from an in-memory TTF or WOFF blob in `source` * parameter. * * @param source In-memory TTF or WOFF font blob * * @throws Uncaught exceptions from ttfMeta.promise if the font file is invalid. * * @returns If the file is invalid or cannot be parsed, returns `null`, * otherwise returns the font family as a string. */ export async function getFontFamily(source: Uint8Array) { /* c8 ignore next 3 */ if(!source) { return null; } const buffer = Buffer.from(source); const font = await ttfMeta.promise(buffer); /* c8 ignore next 3 */ if(!font) { return null; } return font.meta.property.find(prop => prop.name == 'font-family')?.text ?? null; } /** * Extracts the font-family from an in-memory TTF or WOFF blob in `source` * parameter. * * @param source In-memory TTF or WOFF font blob * * @throws Uncaught exceptions from ttfMeta.promise if the font file is invalid. * * @returns If the file is invalid or cannot be parsed, returns `null`, * otherwise returns the font family as a string. */ export function getFontFamilySync(source: Uint8Array) { /* c8 ignore next 3 */ if(!source) { return null; } const buffer = Buffer.from(source); const font = ttfMeta.ttfInfoSync(buffer); /* c8 ignore next 3 */ if(!font) { return null; } return font.meta.property.find(prop => prop.name == 'font-family')?.text ?? null; } |