promptparse
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All-in-one JS library for PromptPay & EMVCo QR Codes
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crcTagId);\n return this.payload === expected;\n }\n};\n\n// src/lib/parser.ts\nfunction parse(payload, strict = false, subTags = true) {\n if (!payload.match(/^\\d{4}.+/)) {\n return null;\n }\n if (strict) {\n const expected = payload.slice(-4).toUpperCase();\n const calculated = checksum(payload.slice(0, -4));\n if (expected != calculated) return null;\n }\n const tags = decode(payload);\n if (tags.length == 0) {\n return null;\n }\n if (subTags) {\n for (const tag of tags) {\n if (typeof tag.value !== \"string\" || !tag.value.match(/^\\d{4}.+/)) {\n continue;\n }\n const sub = decode(tag.value);\n if (sub.every((val) => val.length > 0 && val.length === val.value.length)) {\n tag.subTags = sub;\n }\n }\n }\n return new EMVCoQR(payload, tags);\n}\nfunction parseBarcode(payload) {\n return BOTBarcode.fromString(payload);\n}\n\n// src/validate/bcel/BCELOneProof.ts\nfunction bcelOneProof(payload) {\n const ppqr = parse(payload, true);\n const type = ppqr?.getTagValue(\"33\", \"02\");\n 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target.slice(-9);\n }\n const amountStr = ppqr?.getTagValue(\"54\");\n const amount = amountStr !== void 0 ? parseFloat(amountStr) : void 0;\n return {\n type,\n target,\n ...amount !== void 0 && { amount }\n };\n}\n\n// src/validate/promptpay/BillPayment.ts\nfunction billPayment(payload) {\n const ppqr = parse(payload, true);\n const aidType = ppqr?.getTagValue(\"00\");\n const tag30Aid = ppqr?.getTagValue(\"30\", \"00\");\n const billerId = ppqr?.getTagValue(\"30\", \"01\");\n const ref1 = ppqr?.getTagValue(\"30\", \"02\");\n if (aidType !== \"01\" || tag30Aid !== \"A000000677010112\" || !billerId || !ref1) {\n return null;\n }\n const ref2 = ppqr?.getTagValue(\"30\", \"03\");\n const ref3 = ppqr?.getTagValue(\"62\", \"07\");\n const amountStr = ppqr?.getTagValue(\"54\");\n const amount = amountStr !== void 0 ? parseFloat(amountStr) : void 0;\n return {\n billerId,\n ref1,\n ...ref2 !== void 0 && { ref2 },\n ...ref3 !== void 0 && { ref3 },\n ...amount !== void 0 && { amount }\n };\n}\n\n// src/validate/promptpay/SlipVerify.ts\nfunction slipVerify(payload, crcAutoFix = true) {\n if (crcAutoFix) {\n const idx = payload.lastIndexOf(\"9104\");\n if (idx != -1) {\n const crc = payload.substring(idx + 4);\n if (crc.length > 0 && crc.length < 4) {\n payload = payload.substring(0, idx + 4) + crc.padStart(4, \"0\");\n }\n }\n }\n const ppqr = parse(payload, true);\n const apiType = ppqr?.getTagValue(\"00\", \"00\");\n const sendingBank = ppqr?.getTagValue(\"00\", \"01\");\n const transRef = ppqr?.getTagValue(\"00\", \"02\");\n if (apiType !== \"000001\" || !sendingBank || !transRef) {\n return null;\n }\n return {\n sendingBank,\n transRef\n };\n}\n\n// src/validate/truemoney/TrueMoneySlipVerify.ts\nfunction trueMoneySlipVerify(payload) {\n const ppqr = parse(payload, true);\n const eventType = ppqr?.getTagValue(\"00\", \"02\");\n const transactionId = ppqr?.getTagValue(\"00\", \"03\");\n const date = ppqr?.getTagValue(\"00\", \"04\");\n if (ppqr?.getTagValue(\"00\", \"00\") !== \"01\" && ppqr?.getTagValue(\"00\", \"01\") !== \"01\") {\n return null;\n }\n return {\n eventType,\n transactionId,\n date\n };\n}\n\nexport {\n EMVCoQR,\n parse,\n parseBarcode,\n bcelOneProof,\n anyId,\n billPayment,\n slipVerify,\n trueMoneySlipVerify,\n validate_exports\n};\n","export * from './bcel/BCELOneProof'\nexport * from './promptpay/AnyID'\nexport * from './promptpay/BillPayment'\nexport * from './promptpay/SlipVerify'\nexport * from './truemoney/TrueMoneySlipVerify'\n","import { type TLVTag, encode, get, withCrcTag } from '@/lib/tlv'\n\nexport class EMVCoQR {\n private payload: string\n private tags: TLVTag[]\n\n constructor(payload: string, tags: TLVTag[]) {\n this.payload = payload\n this.tags = tags\n }\n\n public getTag(tagId: string, subTagId?: string) {\n return get(this.tags, tagId, subTagId)\n }\n\n public getTagValue(tagId: string, subTagId?: string) {\n return this.getTag(tagId, subTagId)?.value\n }\n\n public getTags() {\n return this.tags\n }\n\n /* c8 ignore next 3 */\n public getPayload() {\n return this.payload\n }\n\n public validate(crcTagId: string) {\n const tags = [...this.tags].filter((f) => f.id != crcTagId)\n const expected = withCrcTag(encode(tags), crcTagId)\n return this.payload === expected\n }\n}\n","import { BOTBarcode } from '@/lib/BOTBarcode'\nimport { EMVCoQR } from '@/lib/EMVCoQR'\nimport { checksum, decode } from '@/lib/tlv'\n\n/**\n * Parse any EMVCo-compatible QR Code data string\n *\n * @param payload - QR Code data string from the scanner\n * @param strict - Validate CRC checksum before parsing the entire string\n * @param subTags - Parse TLV Sub-tags (If exists)\n * @returns QR Instance with TLV Tags\n */\nexport function parse(payload: string, strict = false, subTags = true) {\n if (!payload.match(/^\\d{4}.+/)) {\n return null\n }\n\n if (strict) {\n const expected = payload.slice(-4).toUpperCase()\n const calculated = checksum(payload.slice(0, -4))\n if (expected != calculated) return null\n }\n\n 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ppqr?.getTagValue('33', '02')\n const ticket = ppqr?.getTagValue('33', '03')\n const fccref = ppqr?.getTagValue('33', '04')\n\n if (\n ppqr?.getTagValue('00') !== '01' &&\n ppqr?.getTagValue('01') !== '11' &&\n ppqr?.getTagValue('33', '00') !== 'BCEL' &&\n ppqr?.getTagValue('33', '00') !== 'ONEPROOF'\n ) {\n return null\n }\n\n return {\n type,\n ticket,\n fccref,\n }\n}\n","import { ProxyType } from '@/generate/promptpay/AnyID'\nimport { parse } from '@/lib/parser'\n\n/**\n * Validate & extract data from PromptPay AnyID (Tag 29) QR Code\n *\n * @param payload - QR Code Payload\n * @returns Proxy type, target identifier and optional amount or null if payload invalid\n */\nexport function anyId(payload: string) {\n const ppqr = parse(payload, true)\n\n const aidType = ppqr?.getTagValue('00')\n const tag29Aid = ppqr?.getTagValue('29', '00')\n\n if (aidType !== '01' || tag29Aid !== 'A000000677010111') {\n return null\n }\n\n // Resolve proxy type from sub-tag ID\n const proxyTypeEntry = (\n Object.entries(ProxyType) as [keyof typeof ProxyType, string][]\n ).find(([, id]) => ppqr?.getTagValue('29', id) !== undefined)\n\n if (!proxyTypeEntry) {\n return null\n }\n\n const [type, subTagId] = proxyTypeEntry\n let target = ppqr!.getTagValue('29', subTagId)!\n\n // Normalise MSISDN back to local format (0XXXXXXXXX)\n if (type === 'MSISDN' && target.length == 13 && target.startsWith('0066')) {\n target = '0' + target.slice(-9)\n }\n\n const amountStr = ppqr?.getTagValue('54')\n const amount = amountStr !== undefined ? parseFloat(amountStr) : undefined\n\n return {\n type,\n target,\n ...(amount !== undefined && { amount }),\n }\n}\n","import { parse } from '@/lib/parser'\n\n/**\n * Validate & extract data from PromptPay Bill Payment (Tag 30) QR Code\n *\n * @param payload - QR Code Payload\n * @returns Biller ID, references and optional amount or null if payload invalid\n */\nexport function billPayment(payload: string) {\n const ppqr = parse(payload, true)\n\n const aidType = ppqr?.getTagValue('00')\n const tag30Aid = ppqr?.getTagValue('30', '00')\n const billerId = ppqr?.getTagValue('30', '01')\n const ref1 = ppqr?.getTagValue('30', '02')\n\n if (aidType !== '01' || tag30Aid !== 'A000000677010112' || !billerId || !ref1) {\n return null\n }\n\n const ref2 = ppqr?.getTagValue('30', '03')\n const ref3 = ppqr?.getTagValue('62', '07')\n\n const amountStr = ppqr?.getTagValue('54')\n const amount = amountStr !== undefined ? parseFloat(amountStr) : undefined\n\n return {\n billerId,\n ref1,\n ...(ref2 !== undefined && { ref2 }),\n ...(ref3 !== undefined && { ref3 }),\n ...(amount !== undefined && { amount }),\n }\n}\n","import { parse } from '@/lib/parser'\n\n/**\n * Validate & extract data from Slip Verify QR (for use with Bank Open API)\n *\n * @param payload - QR Code Payload\n * @param crcAutoFix - Attempt to fix bad checksum from bank app\n * @returns Bank code and Transaction reference or null if payload invalid\n */\nexport function slipVerify(payload: string, crcAutoFix = true) {\n if (crcAutoFix) {\n const idx = payload.lastIndexOf('9104')\n if (idx != -1) {\n const crc = payload.substring(idx + 4)\n if (crc.length > 0 && crc.length < 4) {\n payload = payload.substring(0, idx + 4) + crc.padStart(4, '0')\n }\n }\n }\n\n const ppqr = parse(payload, true)\n\n const apiType = ppqr?.getTagValue('00', '00')\n const sendingBank = ppqr?.getTagValue('00', '01')\n const transRef = ppqr?.getTagValue('00', '02')\n\n if (apiType !== '000001' || !sendingBank || !transRef) {\n return null\n }\n\n return {\n sendingBank,\n transRef,\n }\n}\n","import { parse } from '@/lib/parser'\n\n/**\n * Validate & extract data from TrueMoney Slip Verify QR\n *\n * @param payload - QR Code Payload\n * @returns Type, Transaction ID and Date (DDMMYYYY) or null if payload invalid\n */\nexport function trueMoneySlipVerify(payload: string) {\n const ppqr = parse(payload, true)\n\n const eventType = ppqr?.getTagValue('00', '02')\n const transactionId = ppqr?.getTagValue('00', '03')\n const date = ppqr?.getTagValue('00', '04')\n\n if (\n ppqr?.getTagValue('00', '00') !== '01' &&\n ppqr?.getTagValue('00', '01') !== '01'\n ) {\n return null\n }\n\n return {\n eventType,\n transactionId,\n date,\n }\n}\n"]}