@getalby/lightning-tools
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Collection of helpful building blocks and tools to develop Bitcoin Lightning web apps
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{"version":3,"file":"fiat.cjs","sources":["../../src/fiat/fiat.ts"],"sourcesContent":["const numSatsInBtc = 100_000_000;\n\nexport interface FiatCurrency {\n code: string;\n name: string;\n symbol: string;\n priority: number;\n}\n\nexport const getFiatCurrencies = async (): Promise<FiatCurrency[]> => {\n const url = \"https://getalby.com/api/rates\";\n const response = await fetch(url);\n\n if (!response.ok) {\n throw new Error(\n `Failed to fetch currencies: ${response.status} ${response.statusText}`,\n );\n }\n\n const data = await response.json();\n const mappedCurrencies: FiatCurrency[] = Object.entries(data)\n .filter(([code]) => code.toUpperCase() !== \"BTC\")\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n .map(([code, details]: any) => ({\n code: code.toUpperCase(),\n name: details.name,\n priority: details.priority,\n symbol: details.symbol,\n }))\n .sort((a, b) => a.name.localeCompare(b.name))\n .sort((a, b) => a.priority - b.priority) as FiatCurrency[];\n\n return mappedCurrencies;\n};\n\nexport const getFiatBtcRate = async (currency: string): Promise<number> => {\n const url =\n \"https://getalby.com/api/rates/\" + currency.toLowerCase() + \".json\";\n const response = await fetch(url);\n\n if (!response.ok) {\n throw new Error(\n `Failed to fetch rate: ${response.status} ${response.statusText}`,\n );\n }\n\n const data = await response.json();\n\n return data.rate_float / numSatsInBtc;\n};\n\nexport const getFiatValue = async ({\n satoshi,\n currency,\n}: {\n satoshi: number | string;\n currency: string;\n}) => {\n const rate = await getFiatBtcRate(currency);\n\n return Number(satoshi) * rate;\n};\n\nexport const getSatoshiValue = async ({\n amount,\n currency,\n}: {\n amount: number | string;\n currency: string;\n}) => {\n const rate = await getFiatBtcRate(currency);\n\n return Math.floor(Number(amount) / rate);\n};\n\nexport const getFormattedFiatValue = async ({\n satoshi,\n currency,\n locale,\n}: {\n satoshi: number | string;\n currency: string;\n locale: string;\n}) => {\n if (!locale) {\n locale = \"en\";\n }\n const fiatValue = await getFiatValue({ satoshi, currency });\n return fiatValue.toLocaleString(locale, {\n style: \"currency\",\n currency,\n });\n};\n"],"names":[],"mappings":";;AAAA,MAAM,YAAY,GAAG,SAAW;AASzB,MAAM,iBAAiB,GAAG,YAAoC;IACnE,MAAM,GAAG,GAAG,+BAA+B;AAC3C,IAAA,MAAM,QAAQ,GAAG,MAAM,KAAK,CAAC,GAAG,CAAC;AAEjC,IAAA,IAAI,CAAC,QAAQ,CAAC,EAAE,EAAE;AAChB,QAAA,MAAM,IAAI,KAAK,CACb,CAAA,4BAAA,EAA+B,QAAQ,CAAC,MAAM,CAAA,CAAA,EAAI,QAAQ,CAAC,UAAU,CAAA,CAAE,CACxE;IACH;AAEA,IAAA,MAAM,IAAI,GAAG,MAAM,QAAQ,CAAC,IAAI,EAAE;AAClC,IAAA,MAAM,gBAAgB,GAAmB,MAAM,CAAC,OAAO,CAAC,IAAI;AACzD,SAAA,MAAM,CAAC,CAAC,CAAC,IAAI,CAAC,KAAK,IAAI,CAAC,WAAW,EAAE,KAAK,KAAK;;SAE/C,GAAG,CAAC,CAAC,CAAC,IAAI,EAAE,OAAO,CAAM,MAAM;AAC9B,QAAA,IAAI,EAAE,IAAI,CAAC,WAAW,EAAE;QACxB,IAAI,EAAE,OAAO,CAAC,IAAI;QAClB,QAAQ,EAAE,OAAO,CAAC,QAAQ;QAC1B,MAAM,EAAE,OAAO,CAAC,MAAM;AACvB,KAAA,CAAC;AACD,SAAA,IAAI,CAAC,CAAC,CAAC,EAAE,CAAC,KAAK,CAAC,CAAC,IAAI,CAAC,aAAa,CAAC,CAAC,CAAC,IAAI,CAAC;AAC3C,SAAA,IAAI,CAAC,CAAC,CAAC,EAAE,CAAC,KAAK,CAAC,CAAC,QAAQ,GAAG,CAAC,CAAC,QAAQ,CAAmB;AAE5D,IAAA,OAAO,gBAAgB;AACzB;MAEa,cAAc,GAAG,OAAO,QAAgB,KAAqB;IACxE,MAAM,GAAG,GACP,gCAAgC,GAAG,QAAQ,CAAC,WAAW,EAAE,GAAG,OAAO;AACrE,IAAA,MAAM,QAAQ,GAAG,MAAM,KAAK,CAAC,GAAG,CAAC;AAEjC,IAAA,IAAI,CAAC,QAAQ,CAAC,EAAE,EAAE;AAChB,QAAA,MAAM,IAAI,KAAK,CACb,CAAA,sBAAA,EAAyB,QAAQ,CAAC,MAAM,CAAA,CAAA,EAAI,QAAQ,CAAC,UAAU,CAAA,CAAE,CAClE;IACH;AAEA,IAAA,MAAM,IAAI,GAAG,MAAM,QAAQ,CAAC,IAAI,EAAE;AAElC,IAAA,OAAO,IAAI,CAAC,UAAU,GAAG,YAAY;AACvC;AAEO,MAAM,YAAY,GAAG,OAAO,EACjC,OAAO,EACP,QAAQ,GAIT,KAAI;AACH,IAAA,MAAM,IAAI,GAAG,MAAM,cAAc,CAAC,QAAQ,CAAC;AAE3C,IAAA,OAAO,MAAM,CAAC,OAAO,CAAC,GAAG,IAAI;AAC/B;AAEO,MAAM,eAAe,GAAG,OAAO,EACpC,MAAM,EACN,QAAQ,GAIT,KAAI;AACH,IAAA,MAAM,IAAI,GAAG,MAAM,cAAc,CAAC,QAAQ,CAAC;IAE3C,OAAO,IAAI,CAAC,KAAK,CAAC,MAAM,CAAC,MAAM,CAAC,GAAG,IAAI,CAAC;AAC1C;AAEO,MAAM,qBAAqB,GAAG,OAAO,EAC1C,OAAO,EACP,QAAQ,EACR,MAAM,GAKP,KAAI;IACH,IAAI,CAAC,MAAM,EAAE;QACX,MAAM,GAAG,IAAI;IACf;IACA,MAAM,SAAS,GAAG,MAAM,YAAY,CAAC,EAAE,OAAO,EAAE,QAAQ,EAAE,CAAC;AAC3D,IAAA,OAAO,SAAS,CAAC,cAAc,CAAC,MAAM,EAAE;AACtC,QAAA,KAAK,EAAE,UAAU;QACjB,QAAQ;AACT,KAAA,CAAC;AACJ;;;;;;;;"}