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constructor(billerId, ref1, ref2 = null, amount = null) {\n __publicField(this, \"billerId\");\n __publicField(this, \"ref1\");\n __publicField(this, \"ref2\");\n __publicField(this, \"amount\");\n this.billerId = billerId;\n this.ref1 = ref1;\n this.ref2 = ref2;\n this.amount = amount;\n }\n static fromString(payload) {\n if (!payload.startsWith(\"|\")) {\n return null;\n }\n const data = payload.slice(1).split(\"\\r\", 4);\n if (data.length != 4) {\n return null;\n }\n const [billerId, ref1, ref2, amount] = data;\n return new _BOTBarcode(\n billerId,\n ref1,\n ref2.length > 0 ? ref2 : null,\n amount != \"0\" ? Number((parseInt(amount) / 100).toFixed(2)) : null\n );\n }\n toString() {\n const { billerId, ref1, ref2, amount } = this;\n const amountStr = amount ? String(Number(amount.toFixed(2)) * 100) : \"0\";\n return `|${billerId}\\r${ref1}\\r${ref2 ?? \"\"}\\r${amountStr}`;\n }\n /**\n * Converts BOT Barcode to PromptPay QR Tag 30 (Bill Payment)\n *\n * This method works for some biller, depends on destination bank\n *\n * @returns QR Code payload\n */\n toQrTag30() {\n const { billerId, ref1, ref2, amount } = this;\n return billPayment({\n billerId,\n ref1,\n ref2: ref2 ?? void 0,\n amount: amount ?? void 0\n });\n }\n};\n\nexport {\n __export,\n __publicField,\n decode,\n encode,\n checksum,\n withCrcTag,\n get,\n tag,\n billPayment,\n BOTBarcode\n};\n","// CRC-16-CCITT\t(XMODEM)\n\n// Polynomial = 0x1021\nconst TABLE = [\n 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7, 0x8108,\n 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef, 0x1231, 0x0210,\n 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6, 0x9339, 0x8318, 0xb37b,\n 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de, 0x2462, 0x3443, 0x0420, 0x1401,\n 0x64e6, 0x74c7, 0x44a4, 0x5485, 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee,\n 0xf5cf, 0xc5ac, 0xd58d, 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6,\n 0x5695, 0x46b4, 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d,\n 0xc7bc, 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,\n 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b, 0x5af5,\n 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12, 0xdbfd, 0xcbdc,\n 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a, 0x6ca6, 0x7c87, 0x4ce4,\n 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41, 0xedae, 0xfd8f, 0xcdec, 0xddcd,\n 0xad2a, 0xbd0b, 0x8d68, 0x9d49, 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13,\n 0x2e32, 0x1e51, 0x0e70, 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a,\n 0x9f59, 0x8f78, 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e,\n 0xe16f, 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,\n 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e, 0x02b1,\n 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256, 0xb5ea, 0xa5cb,\n 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d, 0x34e2, 0x24c3, 0x14a0,\n 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, 0xa7db, 0xb7fa, 0x8799, 0x97b8,\n 0xe75f, 0xf77e, 0xc71d, 0xd73c, 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657,\n 0x7676, 0x4615, 0x5634, 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9,\n 0xb98a, 0xa9ab, 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882,\n 0x28a3, 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,\n 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92, 0xfd2e,\n 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9, 0x7c26, 0x6c07,\n 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1, 0xef1f, 0xff3e, 0xcf5d,\n 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8, 0x6e17, 0x7e36, 0x4e55, 0x5e74,\n 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0,\n]\n\nexport function crc16xmodem(data: string, crc = 0x0) {\n for (const i of data) {\n const b = i.charCodeAt(0)\n const n = (b ^ (crc >> 8)) & 0xff\n crc = TABLE[n] ^ (crc << 8)\n }\n return (crc ^ 0) & 0xffff\n}\n","import { crc16xmodem } from '@/utils/checksum'\n\nexport interface TLVTag {\n /** Tag ID */\n id: string\n\n /** Tag Value */\n value: string\n\n /** Sub Tags */\n subTags?: TLVTag[]\n\n /** Tag Length */\n length: number\n}\n\n/**\n * Decode TLV string into array of TLV Tags\n *\n * @param payload - TLV string\n * @returns Array of TLV Tags\n */\nexport function decode(payload: string) {\n const tags: TLVTag[] = []\n\n let idx = 0\n while (idx < payload.length) {\n const data = payload.substring(idx)\n\n const id = data.substring(0, 2)\n const length = parseInt(data.substring(2, 4))\n const value = data.substring(4, 4 + length)\n\n tags.push({ id, length, value })\n idx += length + 4\n }\n\n return tags\n}\n\n/**\n * Encode TLV Tags array into TLV string\n *\n * @param tags - Array of TLV Tags\n * @returns TLV string\n */\nexport function encode(tags: TLVTag[]) {\n let payload = ''\n\n for (const tag of tags) {\n payload += tag.id\n payload += ('00' + tag.length).slice(-2)\n\n if (tag.subTags) {\n payload += encode(tag.subTags)\n continue\n }\n\n payload += tag.value\n }\n\n return payload\n}\n\n/**\n * Generate CRC Checksum for provided string\n *\n * @param payload - Any string\n * @param upperCase - Return CRC Checksum as uppercase string\n * @returns CRC Checksum\n */\nexport function checksum(payload: string, upperCase = true) {\n let sum = crc16xmodem(payload, 0xffff).toString(16)\n sum = upperCase ? sum.toUpperCase() : sum.toLowerCase()\n sum = ('0000' + sum).slice(-4)\n return sum\n}\n\n/**\n * Get TLV string combined with CRC Tag\n *\n * @param payload - TLV string (without CRC Tag)\n * @param crcTagId - CRC Tag ID\n * @param upperCase - Return CRC Checksum as uppercase string\n * @returns TLV string + CRC Tag ID + CRC Length + CRC Checksum\n */\nexport function withCrcTag(\n payload: string,\n crcTagId: string,\n upperCase = true,\n) {\n payload += ('00' + crcTagId).slice(-2)\n payload += '04'\n payload += checksum(payload, upperCase)\n return payload\n}\n\n/**\n * Get Tag or Sub-tag by Tag ID in array of TLV Tags\n *\n * @param tlvTags - Array of TLV Tags\n * @param tagId - Target Tag ID\n * @param subTagId - Target Sub-tag ID\n * @returns Instance of Target Tag/Sub-tag\n */\nexport function get(tlvTags: TLVTag[], tagId: string, subTagId?: string) {\n const tag = tlvTags.find((t) => t.id == tagId)\n\n if (subTagId) {\n return tag?.subTags?.find((s) => s.id == subTagId)\n }\n\n return tag\n}\n\n/**\n * Create new TLV Tag\n *\n * @param tagId - Tag ID\n * @param value - Tag Value\n * @returns TLV Tag\n */\nexport function tag(tagId: string, value: string): TLVTag {\n return {\n id: tagId,\n length: value.length,\n value,\n }\n}\n","import { encode, tag, withCrcTag } from '@/lib/tlv'\n\nexport interface BillPaymentConfig {\n /** Biller ID (National ID or Tax ID + Suffix) */\n billerId: string\n\n /** Transaction amount */\n amount?: number\n\n /** Reference 1 */\n ref1: string\n\n /** Reference 2 */\n ref2?: string\n\n /** (Undocumented) Reference 3 */\n ref3?: string\n}\n\n/**\n * Generate PromptPay Bill Payment (Tag 30) QR Code\n *\n * @returns QR Code Payload\n */\nexport function billPayment({\n billerId,\n amount,\n ref1,\n ref2,\n ref3,\n}: BillPaymentConfig) {\n const tag30 = [\n tag('00', 'A000000677010112'),\n tag('01', billerId),\n tag('02', ref1),\n ]\n\n if (ref2) {\n tag30.push(tag('03', ref2))\n }\n\n const payload = [\n tag('00', '01'),\n tag('01', !amount ? '11' : '12'),\n tag('30', encode(tag30)),\n tag('53', '764'),\n tag('58', 'TH'),\n ]\n\n if (amount) {\n payload.push(tag('54', Number(amount).toFixed(2)))\n }\n\n if (ref3) {\n payload.push(tag('62', encode([tag('07', ref3)])))\n }\n\n return withCrcTag(encode(payload), '63')\n}\n","import { billPayment } from '@/generate/promptpay/BillPayment'\n\nexport class BOTBarcode {\n public billerId: string\n public ref1: string\n public ref2: string | null\n public amount: number | null\n\n constructor(\n billerId: string,\n ref1: string,\n ref2: string | null = null,\n amount: number | null = null,\n ) {\n this.billerId = billerId\n this.ref1 = ref1\n this.ref2 = ref2\n this.amount = amount\n }\n\n static fromString(payload: string) {\n if (!payload.startsWith('|')) {\n return null\n }\n\n const data = payload.slice(1).split('\\r', 4)\n if (data.length != 4) {\n return null\n }\n\n const [billerId, ref1, ref2, amount] = data\n\n return new BOTBarcode(\n billerId,\n ref1,\n ref2.length > 0 ? ref2 : null,\n amount != '0' ? Number((parseInt(amount) / 100).toFixed(2)) : null,\n )\n }\n\n toString() {\n const { billerId, ref1, ref2, amount } = this\n const amountStr = amount ? String(Number(amount.toFixed(2)) * 100) : '0'\n return `|${billerId}\\r${ref1}\\r${ref2 ?? ''}\\r${amountStr}`\n }\n\n /**\n * Converts BOT Barcode to PromptPay QR Tag 30 (Bill Payment)\n *\n * This method works for some biller, depends on destination bank\n *\n * @returns QR Code payload\n */\n toQrTag30() {\n const { billerId, ref1, ref2, amount } = this\n return billPayment({\n billerId,\n ref1,\n ref2: ref2 ?? undefined,\n amount: amount ?? undefined,\n })\n }\n}\n"]}