Library: Node.js: Loading module as if in a browser
When I try to require('@zxing/library') in Node.js it fails with the following error:
/Users/mattmahn/code/ms-barcodes/node_modules/@zxing/library/umd/index.min.js:1
(function (exports, require, module, __filename, __dirname) { !function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define("ZXing",[],e):"object"==typeof exports?exports.ZXing=e():t.ZXing=e()}(window,function(){return function(t){var e={};function r(n){if(e[n])return e[n].exports;var o=e[n]={i:n,l:!1,exports:{}};return t[n].call(o.exports,o,o.exports,r),o.l=!0,o.exports}return r.m=t,r.c=e,r.d=function(t,e,n){r.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:n})},r.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},r.t=function(t,e){if(1&e&&(t=r(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:t}),2&e&&"st
ReferenceError: window is not defined
at Object.<anonymous> (/Users/mattmahn/code/ms-barcodes/node_modules/@zxing/library/umd/index.min.js:1:262)
at Module._compile (internal/modules/cjs/loader.js:689:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)
at Module.load (internal/modules/cjs/loader.js:599:32)
at tryModuleLoad (internal/modules/cjs/loader.js:538:12)
at Function.Module._load (internal/modules/cjs/loader.js:530:3)
at Module.require (internal/modules/cjs/loader.js:637:17)
at require (internal/modules/cjs/helpers.js:22:18)
at Object.<anonymous> (/Users/mattmahn/code/ms-barcodes/f.js:1:63)
at Module._compile (internal/modules/cjs/loader.js:689:30)
Node.js version: v10.15.0
zxing-js/library version: 0.11.0
mattmahn
All 7 comments
It might be a problem with the Webpack configuration but it is targeted as UMD:
AFAIK no library's own code is run when the module is required, just the Webpack generated code, so I do think it is a bundling issue.
Have you had any similar problems with other versions until now? If you never used one, could you test some older version to see if the error persists?
odahcam
on 29 Jan 2019
I used rm -r node_modules/@zxing && sync npm install @zxing/[email protected] && sync & node f.js to test each version, where f.js is:
require('@zxing/library')
In v0.9.0 & v0.6.0, Node.js couldn't find the module:
internal/modules/cjs/loader.js:583
throw err;
^
Error: Cannot find module '@zxing/library'
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:581:15)
at Function.Module._load (internal/modules/cjs/loader.js:507:25)
at Module.require (internal/modules/cjs/loader.js:637:17)
at require (internal/modules/cjs/helpers.js:22:18)
at Object.<anonymous> (/Users/mah7788/code/ms-barcodes/f.js:1:63)
at Module._compile (internal/modules/cjs/loader.js:689:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)
at Module.load (internal/modules/cjs/loader.js:599:32)
at tryModuleLoad (internal/modules/cjs/loader.js:538:12)
at Function.Module._load (internal/modules/cjs/loader.js:530:3)
v0.5.1 is the most recent version that works. I also noticed that v0.5.1 is the first to have many (76) other dependencies in node_modules/.
Edit: Looking at git diff v0.5.1..v0.10.0 -- *webpack*, it seems that the libraryTarget: 'umd' did not change… 馃槙
mattmahn
on 29 Jan 2019
👍1
Thanks, that will be very useful. I will update this issue ASAP.
odahcam
on 29 Jan 2019
@mattmahn can you please try changing the following:
const ZXing = require('@zxing/library')
by this:
const ZXing = require('@zxing/library/esm5')
My test was the following:
const zxing = require('@zxing/library/esm5')
console.log(zxing)
const scanner = zxing.MultiformatReader()
console.log(scanner)
The (partial) output:
INSIDE_GSUM: [ 0, 336, 1036, 1516 ],
OUTSIDE_ODD_WIDEST: [ 8, 6, 4, 3, 1 ],
INSIDE_ODD_WIDEST: [ 2, 4, 6, 8 ],
FINDER_PATTERNS:
[ [Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array] ] },
MultiformatReader: [Function: MultiFormatOneDReader] }
{ BrowserQRCodeReader: [Function: BrowserQRCodeReader],
BrowserDatamatrixCodeReader: [Function: BrowserDatamatrixCodeReader],
BrowserQRCodeSvgWriter:
{ [Function: BrowserQRCodeSvgWriter] QUIET_ZONE_SIZE: 4, SVG_NS: 'http://www.w3.org/2000/svg' },
BrowserBarcodeReader: [Function: BrowserBarcodeReader],
BrowserCodeReader: [Function: BrowserCodeReader],
BrowserMultiFormatReader: [Function: BrowserMultiFormatReader],
HTMLCanvasElementLuminanceSource:
{ [Function: HTMLCanvasElementLuminanceSource]
makeBufferFromCanvasImageData: [Function],
toGrayscaleBuffer: [Function],
DEGREE_TO_RADIANS: 0.017453292519943295 },
VideoInputDevice: [Function: VideoInputDevice],
Exception: [Function: Exception],
ArgumentException: [Function: ArgumentException],
ArithmeticException: [Function: ArithmeticException],
ChecksumException: [Function: ChecksumException],
FormatException: [Function: FormatException],
IllegalArgumentException: [Function: IllegalArgumentException],
IllegalStateException: [Function: IllegalStateException],
NotFoundException: [Function: NotFoundException],
ReaderException: [Function: ReaderException],
ReedSolomonException: [Function: ReedSolomonException],
UnsupportedOperationException: [Function: UnsupportedOperationException],
WriterException: [Function: WriterException],
BarcodeFormat:
{ '0': 'AZTEC',
'1': 'CODABAR',
'2': 'CODE_39',
'3': 'CODE_93',
'4': 'CODE_128',
'5': 'DATA_MATRIX',
'6': 'EAN_8',
'7': 'EAN_13',
'8': 'ITF',
'9': 'MAXICODE',
'10': 'PDF_417',
'11': 'QR_CODE',
'12': 'RSS_14',
'13': 'RSS_EXPANDED',
'14': 'UPC_A',
'15': 'UPC_E',
'16': 'UPC_EAN_EXTENSION',
AZTEC: 0,
CODABAR: 1,
CODE_39: 2,
CODE_93: 3,
CODE_128: 4,
DATA_MATRIX: 5,
EAN_8: 6,
EAN_13: 7,
ITF: 8,
MAXICODE: 9,
PDF_417: 10,
QR_CODE: 11,
RSS_14: 12,
RSS_EXPANDED: 13,
UPC_A: 14,
UPC_E: 15,
UPC_EAN_EXTENSION: 16 },
Binarizer: [Function: Binarizer],
BinaryBitmap: [Function: BinaryBitmap],
DecodeHintType:
{ '0': 'OTHER',
'1': 'PURE_BARCODE',
'2': 'POSSIBLE_FORMATS',
'3': 'TRY_HARDER',
'4': 'CHARACTER_SET',
'5': 'ALLOWED_LENGTHS',
'6': 'ASSUME_CODE_39_CHECK_DIGIT',
'7': 'ASSUME_GS1',
'8': 'RETURN_CODABAR_START_END',
'9': 'NEED_RESULT_POINT_CALLBACK',
'10': 'ALLOWED_EAN_EXTENSIONS',
OTHER: 0,
PURE_BARCODE: 1,
POSSIBLE_FORMATS: 2,
TRY_HARDER: 3,
CHARACTER_SET: 4,
ALLOWED_LENGTHS: 5,
ASSUME_CODE_39_CHECK_DIGIT: 6,
ASSUME_GS1: 7,
RETURN_CODABAR_START_END: 8,
NEED_RESULT_POINT_CALLBACK: 9,
ALLOWED_EAN_EXTENSIONS: 10 },
InvertedLuminanceSource: [Function: InvertedLuminanceSource],
LuminanceSource: [Function: LuminanceSource],
MultiFormatReader: [Function: MultiFormatReader],
MultiFormatWriter: [Function: MultiFormatWriter],
PlanarYUVLuminanceSource:
{ [Function: PlanarYUVLuminanceSource] THUMBNAIL_SCALE_FACTOR: 2 },
Result: [Function: Result],
ResultMetadataType:
{ '0': 'OTHER',
'1': 'ORIENTATION',
'2': 'BYTE_SEGMENTS',
'3': 'ERROR_CORRECTION_LEVEL',
'4': 'ISSUE_NUMBER',
'5': 'SUGGESTED_PRICE',
'6': 'POSSIBLE_COUNTRY',
'7': 'UPC_EAN_EXTENSION',
'8': 'PDF417_EXTRA_METADATA',
'9': 'STRUCTURED_APPEND_SEQUENCE',
'10': 'STRUCTURED_APPEND_PARITY',
OTHER: 0,
ORIENTATION: 1,
BYTE_SEGMENTS: 2,
ERROR_CORRECTION_LEVEL: 3,
ISSUE_NUMBER: 4,
SUGGESTED_PRICE: 5,
POSSIBLE_COUNTRY: 6,
UPC_EAN_EXTENSION: 7,
PDF417_EXTRA_METADATA: 8,
STRUCTURED_APPEND_SEQUENCE: 9,
STRUCTURED_APPEND_PARITY: 10 },
RGBLuminanceSource: [Function: RGBLuminanceSource],
BitArray: { [Function: BitArray] makeArray: [Function] },
BitMatrix:
{ [Function: BitMatrix]
parseFromBooleanArray: [Function],
parseFromString: [Function] },
BitSource: [Function: BitSource],
CharacterSetECI:
{ [Function: CharacterSetECI]
getCharacterSetECIByValue: [Function],
getCharacterSetECIByName: [Function],
VALUE_IDENTIFIER_TO_ECI:
Map {
0 => [CharacterSetECI],
1 => [CharacterSetECI],
2 => [CharacterSetECI],
3 => [CharacterSetECI],
4 => [CharacterSetECI],
5 => [CharacterSetECI],
6 => [CharacterSetECI],
7 => [CharacterSetECI],
8 => [CharacterSetECI],
9 => [CharacterSetECI],
10 => [CharacterSetECI],
11 => [CharacterSetECI],
12 => [CharacterSetECI],
13 => [CharacterSetECI],
14 => [CharacterSetECI],
15 => [CharacterSetECI],
16 => [CharacterSetECI],
17 => [CharacterSetECI],
18 => [CharacterSetECI],
19 => [CharacterSetECI],
20 => [CharacterSetECI],
21 => [CharacterSetECI],
22 => [CharacterSetECI],
23 => [CharacterSetECI],
24 => [CharacterSetECI],
25 => [CharacterSetECI],
26 => [CharacterSetECI] },
VALUES_TO_ECI:
Map {
0 => [CharacterSetECI],
2 => [CharacterSetECI],
1 => [CharacterSetECI],
3 => [CharacterSetECI],
4 => [CharacterSetECI],
5 => [CharacterSetECI],
6 => [CharacterSetECI],
7 => [CharacterSetECI],
8 => [CharacterSetECI],
9 => [CharacterSetECI],
10 => [CharacterSetECI],
11 => [CharacterSetECI],
12 => [CharacterSetECI],
13 => [CharacterSetECI],
15 => [CharacterSetECI],
16 => [CharacterSetECI],
17 => [CharacterSetECI],
18 => [CharacterSetECI],
20 => [CharacterSetECI],
21 => [CharacterSetECI],
22 => [CharacterSetECI],
23 => [CharacterSetECI],
24 => [CharacterSetECI],
25 => [CharacterSetECI],
26 => [CharacterSetECI],
27 => [CharacterSetECI],
170 => [CharacterSetECI],
28 => [CharacterSetECI],
29 => [CharacterSetECI],
30 => [CharacterSetECI] },
NAME_TO_ECI:
Map {
'Cp437' => [CharacterSetECI],
'ISO-8859-1' => [CharacterSetECI],
'ISO88591' => [CharacterSetECI],
'ISO8859_1' => [CharacterSetECI],
'ISO-8859-2' => [CharacterSetECI],
'ISO88592' => [CharacterSetECI],
'ISO8859_2' => [CharacterSetECI],
'ISO-8859-3' => [CharacterSetECI],
'ISO88593' => [CharacterSetECI],
'ISO8859_3' => [CharacterSetECI],
'ISO-8859-4' => [CharacterSetECI],
'ISO88594' => [CharacterSetECI],
'ISO8859_4' => [CharacterSetECI],
'ISO-8859-5' => [CharacterSetECI],
'ISO88595' => [CharacterSetECI],
'ISO8859_5' => [CharacterSetECI],
'ISO-8859-6' => [CharacterSetECI],
'ISO88596' => [CharacterSetECI],
'ISO8859_6' => [CharacterSetECI],
'ISO-8859-7' => [CharacterSetECI],
'ISO88597' => [CharacterSetECI],
'ISO8859_7' => [CharacterSetECI],
'ISO-8859-8' => [CharacterSetECI],
'ISO88598' => [CharacterSetECI],
'ISO8859_8' => [CharacterSetECI],
'ISO-8859-9' => [CharacterSetECI],
'ISO88599' => [CharacterSetECI],
'ISO8859_9' => [CharacterSetECI],
'ISO-8859-10' => [CharacterSetECI],
'ISO885910' => [CharacterSetECI],
'ISO8859_10' => [CharacterSetECI],
'ISO-8859-11' => [CharacterSetECI],
'ISO885911' => [CharacterSetECI],
'ISO8859_11' => [CharacterSetECI],
'ISO-8859-13' => [CharacterSetECI],
'ISO885913' => [CharacterSetECI],
'ISO8859_13' => [CharacterSetECI],
'ISO-8859-14' => [CharacterSetECI],
'ISO885914' => [CharacterSetECI],
'ISO8859_14' => [CharacterSetECI],
'ISO-8859-15' => [CharacterSetECI],
'ISO885915' => [CharacterSetECI],
'ISO8859_15' => [CharacterSetECI],
'ISO-8859-16' => [CharacterSetECI],
'ISO885916' => [CharacterSetECI],
'ISO8859_16' => [CharacterSetECI],
'SJIS' => [CharacterSetECI],
'Shift_JIS' => [CharacterSetECI],
'Cp1250' => [CharacterSetECI],
'windows-1250' => [CharacterSetECI],
'Cp1251' => [CharacterSetECI],
'windows-1251' => [CharacterSetECI],
'Cp1252' => [CharacterSetECI],
'windows-1252' => [CharacterSetECI],
'Cp1256' => [CharacterSetECI],
'windows-1256' => [CharacterSetECI],
'UnicodeBigUnmarked' => [CharacterSetECI],
'UTF-16BE' => [CharacterSetECI],
'UnicodeBig' => [CharacterSetECI],
'UTF8' => [CharacterSetECI],
'UTF-8' => [CharacterSetECI],
'ASCII' => [CharacterSetECI],
'US-ASCII' => [CharacterSetECI],
'Big5' => [CharacterSetECI],
'GB18030' => [CharacterSetECI],
'GB2312' => [CharacterSetECI],
'EUC_CN' => [CharacterSetECI],
'GBK' => [CharacterSetECI],
'EUC_KR' => [CharacterSetECI],
'EUC-KR' => [CharacterSetECI] },
Cp437:
CharacterSetECI {
valueIdentifier: 0,
name: 'Cp437',
values: [Int32Array],
otherEncodingNames: [] },
ISO8859_1:
CharacterSetECI {
valueIdentifier: 1,
name: 'ISO-8859-1',
values: [Int32Array],
otherEncodingNames: [Array] },
ISO8859_2:
CharacterSetECI {
valueIdentifier: 2,
name: 'ISO-8859-2',
values: [Int32Array],
otherEncodingNames: [Array] },
ISO8859_3:
CharacterSetECI {
valueIdentifier: 3,
name: 'ISO-8859-3',
values: [Int32Array],
otherEncodingNames: [Array] },
ISO8859_4:
CharacterSetECI {
valueIdentifier: 4,
name: 'ISO-8859-4',
values: [Int32Array],
otherEncodingNames: [Array] },
ISO8859_5:
CharacterSetECI {
valueIdentifier: 5,
name: 'ISO-8859-5',
values: [Int32Array],
otherEncodingNames: [Array] },
ISO8859_6:
CharacterSetECI {
valueIdentifier: 6,
name: 'ISO-8859-6',
values: [Int32Array],
otherEncodingNames: [Array] },
ISO8859_7:
CharacterSetECI {
valueIdentifier: 7,
name: 'ISO-8859-7',
values: [Int32Array],
otherEncodingNames: [Array] },
ISO8859_8:
CharacterSetECI {
valueIdentifier: 8,
name: 'ISO-8859-8',
values: [Int32Array],
otherEncodingNames: [Array] },
ISO8859_9:
CharacterSetECI {
valueIdentifier: 9,
name: 'ISO-8859-9',
values: [Int32Array],
otherEncodingNames: [Array] },
ISO8859_10:
CharacterSetECI {
valueIdentifier: 10,
name: 'ISO-8859-10',
values: [Int32Array],
otherEncodingNames: [Array] },
ISO8859_11:
CharacterSetECI {
valueIdentifier: 11,
name: 'ISO-8859-11',
values: [Int32Array],
otherEncodingNames: [Array] },
ISO8859_13:
CharacterSetECI {
valueIdentifier: 12,
name: 'ISO-8859-13',
values: [Int32Array],
otherEncodingNames: [Array] },
ISO8859_14:
CharacterSetECI {
valueIdentifier: 13,
name: 'ISO-8859-14',
values: [Int32Array],
otherEncodingNames: [Array] },
ISO8859_15:
CharacterSetECI {
valueIdentifier: 14,
name: 'ISO-8859-15',
values: [Int32Array],
otherEncodingNames: [Array] },
ISO8859_16:
CharacterSetECI {
valueIdentifier: 15,
name: 'ISO-8859-16',
values: [Int32Array],
otherEncodingNames: [Array] },
SJIS:
CharacterSetECI {
valueIdentifier: 16,
name: 'SJIS',
values: [Int32Array],
otherEncodingNames: [Array] },
Cp1250:
CharacterSetECI {
valueIdentifier: 17,
name: 'Cp1250',
values: [Int32Array],
otherEncodingNames: [Array] },
Cp1251:
CharacterSetECI {
valueIdentifier: 18,
name: 'Cp1251',
values: [Int32Array],
otherEncodingNames: [Array] },
Cp1252:
CharacterSetECI {
valueIdentifier: 19,
name: 'Cp1252',
values: [Int32Array],
otherEncodingNames: [Array] },
Cp1256:
CharacterSetECI {
valueIdentifier: 20,
name: 'Cp1256',
values: [Int32Array],
otherEncodingNames: [Array] },
UnicodeBigUnmarked:
CharacterSetECI {
valueIdentifier: 21,
name: 'UnicodeBigUnmarked',
values: [Int32Array],
otherEncodingNames: [Array] },
UTF8:
CharacterSetECI {
valueIdentifier: 22,
name: 'UTF8',
values: [Int32Array],
otherEncodingNames: [Array] },
ASCII:
CharacterSetECI {
valueIdentifier: 23,
name: 'ASCII',
values: [Int32Array],
otherEncodingNames: [Array] },
Big5:
CharacterSetECI {
valueIdentifier: 24,
name: 'Big5',
values: [Int32Array],
otherEncodingNames: [] },
GB18030:
CharacterSetECI {
valueIdentifier: 25,
name: 'GB18030',
values: [Int32Array],
otherEncodingNames: [Array] },
EUC_KR:
CharacterSetECI {
valueIdentifier: 26,
name: 'EUC_KR',
values: [Int32Array],
otherEncodingNames: [Array] } },
DecoderResult: [Function: DecoderResult],
DefaultGridSampler: [Function: DefaultGridSampler],
DetectorResult: [Function: DetectorResult],
EncodeHintType:
{ '0': 'ERROR_CORRECTION',
'1': 'CHARACTER_SET',
'2': 'DATA_MATRIX_SHAPE',
'3': 'MIN_SIZE',
'4': 'MAX_SIZE',
'5': 'MARGIN',
'6': 'PDF417_COMPACT',
'7': 'PDF417_COMPACTION',
'8': 'PDF417_DIMENSIONS',
'9': 'AZTEC_LAYERS',
'10': 'QR_VERSION',
ERROR_CORRECTION: 0,
CHARACTER_SET: 1,
DATA_MATRIX_SHAPE: 2,
MIN_SIZE: 3,
MAX_SIZE: 4,
MARGIN: 5,
PDF417_COMPACT: 6,
PDF417_COMPACTION: 7,
PDF417_DIMENSIONS: 8,
AZTEC_LAYERS: 9,
QR_VERSION: 10 },
GlobalHistogramBinarizer:
{ [Function: GlobalHistogramBinarizer]
estimateBlackPoint: [Function],
LUMINANCE_BITS: 5,
LUMINANCE_SHIFT: 3,
LUMINANCE_BUCKETS: 32,
EMPTY: Uint8ClampedArray [ 0 ] },
GridSampler: { [Function: GridSampler] checkAndNudgePoints: [Function] },
GridSamplerInstance:
{ [Function: GridSamplerInstance]
setGridSampler: [Function],
getInstance: [Function],
gridSampler: DefaultGridSampler {} },
HybridBinarizer:
{ [Function: HybridBinarizer]
calculateThresholdForBlock: [Function],
cap: [Function],
thresholdBlock: [Function],
calculateBlackPoints: [Function],
BLOCK_SIZE_POWER: 3,
BLOCK_SIZE: 8,
BLOCK_SIZE_MASK: 7,
MINIMUM_DIMENSION: 40,
MIN_DYNAMIC_RANGE: 24 },
PerspectiveTransform:
{ [Function: PerspectiveTransform]
quadrilateralToQuadrilateral: [Function],
squareToQuadrilateral: [Function],
quadrilateralToSquare: [Function] },
StringUtils:
{ [Function: StringUtils]
guessEncoding: [Function],
SHIFT_JIS: 'SJIS',
GB2312: 'GB2312',
ISO88591: 'ISO-8859-1',
EUC_JP: 'EUC_JP',
UTF8: 'UTF8',
PLATFORM_DEFAULT_ENCODING: 'UTF8',
ASSUME_SHIFT_JIS: false },
MathUtils:
{ [Function: MathUtils] round: [Function], distance: [Function], sum: [Function] },
WhiteRectangleDetector:
{ [Function: WhiteRectangleDetector] INIT_SIZE: 10, CORR: 1 },
GenericGF:
{ [Function: GenericGF]
addOrSubtract: [Function],
AZTEC_DATA_12:
GenericGF {
primitive: 4201,
size: 4096,
generatorBase: 1,
expTable: [Int32Array],
logTable: [Int32Array],
zero: [GenericGFPoly],
one: [GenericGFPoly] },
AZTEC_DATA_10:
GenericGF {
primitive: 1033,
size: 1024,
generatorBase: 1,
expTable: [Int32Array],
logTable: [Int32Array],
zero: [GenericGFPoly],
one: [GenericGFPoly] },
AZTEC_DATA_6:
GenericGF {
primitive: 67,
size: 64,
generatorBase: 1,
expTable: [Int32Array],
logTable: [Int32Array],
zero: [GenericGFPoly],
one: [GenericGFPoly] },
AZTEC_PARAM:
GenericGF {
primitive: 19,
size: 16,
generatorBase: 1,
expTable: [Int32Array],
logTable: [Int32Array],
zero: [GenericGFPoly],
one: [GenericGFPoly] },
QR_CODE_FIELD_256:
GenericGF {
primitive: 285,
size: 256,
generatorBase: 0,
expTable: [Int32Array],
logTable: [Int32Array],
zero: [GenericGFPoly],
one: [GenericGFPoly] },
DATA_MATRIX_FIELD_256:
GenericGF {
primitive: 301,
size: 256,
generatorBase: 1,
expTable: [Int32Array],
logTable: [Int32Array],
zero: [GenericGFPoly],
one: [GenericGFPoly] },
AZTEC_DATA_8:
GenericGF {
primitive: 301,
size: 256,
generatorBase: 1,
expTable: [Int32Array],
logTable: [Int32Array],
zero: [GenericGFPoly],
one: [GenericGFPoly] },
MAXICODE_FIELD_64:
GenericGF {
primitive: 67,
size: 64,
generatorBase: 1,
expTable: [Int32Array],
logTable: [Int32Array],
zero: [GenericGFPoly],
one: [GenericGFPoly] } },
GenericGFPoly: [Function: GenericGFPoly],
ReedSolomonDecoder: [Function: ReedSolomonDecoder],
ReedSolomonEncoder: [Function: ReedSolomonEncoder],
DataMatrixReader:
{ [Function: DataMatrixReader]
extractPureBits: [Function],
moduleSize: [Function],
NO_POINTS: [] },
QRCodeReader:
{ [Function: QRCodeReader]
extractPureBits: [Function],
moduleSize: [Function],
NO_POINTS: [] },
QRCodeWriter:
{ [Function: QRCodeWriter] renderResult: [Function], QUIET_ZONE_SIZE: 4 },
QRCodeDecoderErrorCorrectionLevel:
{ [Function: ErrorCorrectionLevel]
fromString: [Function],
forBits: [Function],
FOR_BITS:
Map {
1 => [ErrorCorrectionLevel],
0 => [ErrorCorrectionLevel],
3 => [ErrorCorrectionLevel],
2 => [ErrorCorrectionLevel] },
FOR_VALUE:
Map {
0 => [ErrorCorrectionLevel],
1 => [ErrorCorrectionLevel],
2 => [ErrorCorrectionLevel],
3 => [ErrorCorrectionLevel] },
L: ErrorCorrectionLevel { value: 0, stringValue: 'L', bits: 1 },
M: ErrorCorrectionLevel { value: 1, stringValue: 'M', bits: 0 },
Q: ErrorCorrectionLevel { value: 2, stringValue: 'Q', bits: 3 },
H: ErrorCorrectionLevel { value: 3, stringValue: 'H', bits: 2 } },
QRCodeEncoder:
{ [Function: Encoder]
calculateMaskPenalty: [Function],
encode: [Function],
recommendVersion: [Function],
calculateBitsNeeded: [Function],
getAlphanumericCode: [Function],
chooseMode: [Function],
isOnlyDoubleByteKanji: [Function],
chooseMaskPattern: [Function],
chooseVersion: [Function],
willFit: [Function],
terminateBits: [Function],
getNumDataBytesAndNumECBytesForBlockID: [Function],
interleaveWithECBytes: [Function],
generateECBytes: [Function],
appendModeInfo: [Function],
appendLengthInfo: [Function],
appendBytes: [Function],
getDigit: [Function],
isDigit: [Function],
appendNumericBytes: [Function],
appendAlphanumericBytes: [Function],
append8BitBytes: [Function],
appendKanjiBytes: [Function],
appendECI: [Function],
ALPHANUMERIC_TABLE:
Int32Array [
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
36,
-1,
-1,
-1,
37,
38,
-1,
-1,
-1,
-1,
39,
40,
-1,
41,
42,
43,
0,
1,
2,
3,
4,
5,
6,
7,
8,
9,
44,
-1,
-1,
-1,
-1,
-1,
-1,
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,
-1,
-1,
-1,
-1,
-1 ],
DEFAULT_BYTE_MODE_ENCODING: 'UTF8' },
QRCodeEncoderQRCode:
{ [Function: QRCode] isValidMaskPattern: [Function], NUM_MASK_PATTERNS: 8 },
OneDReader:
{ [Function: OneDReader]
recordPattern: [Function],
recordPatternInReverse: [Function],
patternMatchVariance: [Function] },
EAN13Reader:
{ [Function: EAN13Reader]
determineFirstDigit: [Function],
FIRST_DIGIT_ENCODINGS: [ 0, 11, 13, 14, 19, 25, 28, 21, 22, 26 ] },
Code128Reader:
{ [Function: Code128Reader]
findStartPattern: [Function],
decodeCode: [Function],
CODE_PATTERNS:
[ [Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
... 7 more items ],
MAX_AVG_VARIANCE: 0.25,
MAX_INDIVIDUAL_VARIANCE: 0.7,
CODE_SHIFT: 98,
CODE_CODE_C: 99,
CODE_CODE_B: 100,
CODE_CODE_A: 101,
CODE_FNC_1: 102,
CODE_FNC_2: 97,
CODE_FNC_3: 96,
CODE_FNC_4_A: 101,
CODE_FNC_4_B: 100,
CODE_START_A: 103,
CODE_START_B: 104,
CODE_START_C: 105,
CODE_STOP: 106 },
ITFReader:
{ [Function: ITFReader]
decodeMiddle: [Function],
skipWhiteSpace: [Function],
findGuardPattern: [Function],
decodeDigit: [Function],
W: 3,
w: 2,
N: 1,
PATTERNS:
[ [Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array] ],
MAX_AVG_VARIANCE: 0.38,
MAX_INDIVIDUAL_VARIANCE: 0.5,
DEFAULT_ALLOWED_LENGTHS: [ 6, 8, 10, 12, 14 ],
START_PATTERN: [ 1, 1, 1, 1 ],
END_PATTERN_REVERSED: [ [Array], [Array] ] },
Code39Reader:
{ [Function: Code39Reader]
findAsteriskPattern: [Function],
toNarrowWidePattern: [Function],
patternToChar: [Function],
decodeExtended: [Function],
ALPHABET_STRING: '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%',
CHARACTER_ENCODINGS:
[ 52,
289,
97,
352,
49,
304,
112,
37,
292,
100,
265,
73,
328,
25,
280,
88,
13,
268,
76,
28,
259,
67,
322,
19,
274,
82,
7,
262,
70,
22,
385,
193,
448,
145,
400,
208,
133,
388,
196,
168,
162,
138,
42 ],
ASTERISK_ENCODING: 148 },
RSS14Reader:
{ [Function: RSS14Reader]
addOrTally: [Function],
constructResult: [Function],
checkChecksum: [Function],
OUTSIDE_EVEN_TOTAL_SUBSET: [ 1, 10, 34, 70, 126 ],
INSIDE_ODD_TOTAL_SUBSET: [ 4, 20, 48, 81 ],
OUTSIDE_GSUM: [ 0, 161, 961, 2015, 2715 ],
INSIDE_GSUM: [ 0, 336, 1036, 1516 ],
OUTSIDE_ODD_WIDEST: [ 8, 6, 4, 3, 1 ],
INSIDE_ODD_WIDEST: [ 2, 4, 6, 8 ],
FINDER_PATTERNS:
[ [Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array],
[Array] ] },
MultiformatReader: [Function: MultiFormatOneDReader],
readers:
[ Code39Reader {
usingCheckDigit: false,
extendedMode: false,
decodeRowResult: '',
counters: [Array] },
MultiFormatUPCEANReader { readers: [Array] },
Code128Reader {},
ITFReader { narrowLineWidth: -1 },
RSS14Reader {
decodeFinderCounters: [Array],
dataCharacterCounters: [Array],
oddRoundingErrors: [Array],
evenRoundingErrors: [Array],
oddCounts: [Array],
evenCounts: [Array],
possibleLeftPairs: [],
possibleRightPairs: [] } ] }
Tested in Node 10.8.0
So I think it should working when using the esm5 build, which is something like ES6 modules mimic in ES5 syntax, so it shall be compatible with Node. :)
odahcam
on 30 Jan 2019
@mattmahn you also commented something about dependencies, but we have only one optional dependency in the current version, so you may have seen our devDependencies or something like that, I believe. Well, no dependencies should be installed with the library at all, if you believe it's what's happening can you please file a new issue? Thanks.
odahcam
on 30 Jan 2019
That new import path works great, thanks! I guess the example in the README is out-of-date.
You're right, the other dependencies are from others in listed in my package.json.
mattmahn
on 30 Jan 2019
🎉1
This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.
![lock[bot] picture](https://avatars.githubusercontent.com/in/6672?v=4&s=40)
lock[bot]
on 30 Jan 2020
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