The source of the error was that a link node was generated with no target attribute, I fixed locally by filtering links by checking that both source and target were defined but am not sending a PR since I didn't figure out the underlying issue.

Here's a screenshot of the rendered graph which I thought was pretty cool.

By way of explanation for why I've now popped up a second time in your projects, I'm a huge fan of JavaScript mapping & also of genealogy and saw this repo in my GitHub timeline. Also, madprime is my coworker and I noticed you use the regex from her repo--super small world!

GEDCOM has a fancy date format that can express uncertainty. This project could include a parser of it. See also the Extended DateTime format https://github.com/sfomuseum/go-edtf

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This version is covered by your current version range and after updating it in your project the build failed.

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Version 4.9.0 of tape was just published.

This version is covered by your current version range and after updating it in your project the build failed.

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I am trying out this library and imported the sample gedcom file found on:
http://heiner-eichmann.de/gedcom/allged.htm
The essential contents of this file are 8 individuals and 4 families, giving 12 nodes and 11 expected edges in the graph.

The parser gets through it all and makes seemingly valid JSON, but when I pass that into .d3ize(), there is one bad link among the 12 links returned:

links: [ { source: 8, target: 0 },
  { source: 8, target: 1 },
  { source: 8, target: 2 },
  { source: 8, target: 3 },
  { source: 8, target: undefined }, <-- invalid
  { source: 9, target: 4 },
  { source: 9, target: 0 },
  { source: 10, target: 5 },
  { source: 10, target: 0 },
  { source: 11, target: 0 },
  { source: 11, target: 7 },
  { source: 11, target: 6 } ]

I haven't found out what caused it yet, and for now I'm going to work around the error by testing for undefined values before I plug the JSON into dagre-d3 for graphing.

This has dropped as the code has gotten more complex. I think some basic improvements are clear.

In NOTE records CONC and CONT lines may or may not have a trailing blank character depending on the context of the note. This is getting stripped off and it messes up the results when reconstructing the NOTE message. IE: the trailing blank if it exists is significant and should not be removed.

I changed line 60 in index.js to say:

data: match[4].trimLeft(),

And this fixes the problem and does not appear to break anything else.

Pretty easy one, right now docs/README exists and docs/modules doesn't. Just fix the link in README.md

Right now, this throws on unknown pointers. That isn't a viable strategy for the long run, and will break on a test of all fixtures.

I installed the package globally with npm i -g parse-gedcom and executed parse-gedcom Stammbaum.ged output.json.
output.json does not exist in the directory.

There's a CLI in this project now. It needs documentation in the README.

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When I try to run the following:

parse-gedcom test.ged test.json

I get the following:

/usr/local/bin/parse-gedcom: line 1: syntax error near unexpected token ('
/usr/local/bin/parse-gedcom: line 1: var e=require("fs"),t=require("path"),r=require("meow"),n=require("get-stdin"),E=require("unist-util-visit-parents"),a=require("unist-util-remove"),A=require("graphlib-dot"),i=require("graphlib");function I(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}var o=I(e),N=I(t),R=I(r),u=I(n),T=I(E),l=I(a),S=I(A);function O(e,t){(null==t||t>e.length)&&(t=e.length);for(var r=0,n=new Array(t);r<t;r++)n[r]=e[r];return n}function C(e,t){var r;if("undefined"==typeof Symbol||null==e[Symbol.iterator]){if(Array.isArray(e)||(r=function(e,t){if(e){if("string"==typeof e)return O(e,t);var r=Object.prototype.toString.call(e).slice(8,-1);return"Object"===r&&e.constructor&&(r=e.constructor.name),"Map"===r||"Set"===r?Array.from(e):"Arguments"===r||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r)?O(e,t):void 0}}(e))||t&&e&&"number"==typeof e.length){r&&(e=r);var n=0;return function(){return n>=e.length?{done:!0}:{done:!1,value:e[n++]}}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}return(r=e[Symbol.iterator]()).next.bind(r)}var f=new RegExp("^([0-9]*)"),d=new RegExp("(\\s+)"),c=new RegExp("^(["+d+"])"),s=new RegExp("^@([A-ZÀ-ÿa-z_0-9])([A-ZÀ-ÿa-z_0-9"+d+"#])*@"),v=new RegExp("^(_?[A-ZÀ-ÿa-z_0-9]+)"),M=new RegExp(/^(.*)/);function D(e){function t(t,r){var n=e.match(t);if(!n)throw new Error(r);return e=e.substring(n[0].length),n[1]}e=e.trimStart();var r=void 0,n=t(f,"Expected level");if(n.length>2||2===n.length&&"0"===n[0])throw new Error("Invalid level: "+n);var E=parseInt(n);t(c,"Expected delimiter after level");var a=e.match(s);a&&(r=a[0],e=e.substring(a[0].length),t(c,"Expected delimiter after pointer"));var A={level:E,tag:t(v,"Expected tag")};r&&(A.xref_id=r);var i=e.match(c);if(i){var I=(e=e.substring(i[0].length)).match(s),o=e.match(M);I?A.pointer=I[0]:o&&(A.value=o[1])}return A}var L={ABBR:"ABBREVIATION",ADDR:"ADDRESS",ADR1:"ADDRESS1",ADR2:"ADDRESS2",ADOP:"ADOPTION",AFN:"AFN",AGE:"AGE",AGNC:"AGENCY",ALIA:"ALIAS",ANCE:"ANCESTORS",ANCI:"ANCES_INTEREST",ANUL:"ANNULMENT",ASSO:"ASSOCIATES",AUTH:"AUTHOR",BAPL:"BAPTISM-LDS",BAPM:"BAPTISM",BARM:"BAR_MITZVAH",BASM:"BAS_MITZVAH",BIRT:"BIRTH",BLES:"BLESSING",BURI:"BURIAL",CALN:"CALL_NUMBER",CAST:"CASTE",CAUS:"CAUSE",CENS:"CENSUS",CHAN:"CHANGE",CHAR:"CHARACTER",CHIL:"CHILD",CHR:"CHRISTENING",CHRA:"ADULT_CHRISTENING",CITY:"CITY",CONC:"CONCATENATION",CONF:"CONFIRMATION",CONL:"CONFIRMATION_LDS",CONT:"CONTINUED",COPR:"COPYRIGHT",CORP:"CORPORATE",CREM:"CREMATION",CTRY:"COUNTRY",DATA:"DATA",DATE:"DATE",DEAT:"DEATH",DESC:"DESCENDANTS",DESI:"DESCENDANT_INT",DEST:"DESTINATION",DIV:"DIVORCE",DIVF:"DIVORCE_FILED",DSCR:"PHY_DESCRIPTION",EDUC:"EDUCATION",EMAI:"EMAIL",EMIG:"EMIGRATION",ENDL:"ENDOWMENT",ENGA:"ENGAGEMENT",EVEN:"EVENT",FACT:"FACT",FAM:"FAMILY",FAMC:"FAMILY_CHILD",FAMF:"FAMILY_FILE",FAMS:"FAMILY_SPOUSE",FAX:"FACIMILIE",FCOM:"FIRST_COMMUNICATION",FILE:"FILE",FORM:"FORMAT",FONE:"PHONETIC",GEDC:"GEDCOM",GIVN:"GIVEN_NAME",GRAD:"GRADUATION",HEAD:"HEADER",HUSB:"HUSBAND",IDNO:"IDENT_NUMVER",IMMI:"IMMIGRATION",INDI:"INDIVIDUAL",LANG:"LANGUAGE",LATI:"LATITUDE",LONG:"LONGITUDE",MAP:"MAP",MARB:"MARRIAGE_BANN",MARC:"MARRIAGE_CONTRACT",MARL:"MARRIAGE_LICENSE",MARR:"MARRIAGE",MARS:"MARRIAGE_SETTLEMENT",MEDI:"MEDIA",NAME:"NAME",NATI:"NATIONALITY",NATU:"NATURALIZATION",NCHI:"CHILDREN_COUNT",NICK:"NICKNAME",NMR:"MARRIAGE_COUNT",NOTE:"NOTE",NPFX:"NAME_PREFIX",NSFX:"NAME_SUFFIX",OBJE:"OBJECT",OCCU:"OCCUPATION",ORDI:"ORDINANCE",ORDN:"ORDINATION",PAGE:"PAGE",PEDI:"PEDIGREE",PHON:"PHONE",PLAC:"PLACE",POST:"POSTAL_CODE",PROB:"PROBATE",PROP:"PROPERTY",PUBL:"PUBLICATION",QUAY:"QUALITY_OF_DATA",REFN:"REFERENCE",RELA:"RELATIONSHIP",RELI:"RELIGION",REPO:"REPOSITORY",RESI:"RESIDENCE",RESN:"RESTRICTION",RETI:"RETIREMENT",RFN:"REC_FILE_NUMBER",RIN:"REC_ID_NUMBER",ROLE:"ROLE",ROMN:"ROMANIZED",SEX:"SEX",SLGC:"SEALING_CHILD",SLGS:"SEALING_SPOUCE",SOUR:"SOURCE",SPFX:"SURN_PREFIX",SSN:"SURN_PREFIX",STAE:"STATE",STAT:"STATUS",SUBM:"SUBMITTER",SUBN:"SUBMISSION",SURN:"SURNAME",TEMP:"TEMPLE",TEXT:"TEXT",TIME:"TIME",TITL:"TITLE",TRLR:"TRAILER",TYPE:"TYPE",VERS:"VERSION",WIFE:"WIFE",WILL:"WILL",WWW:"WEB"},p=new RegExp("(\\r|\\n|\\r\\n|\\n\\r)","g");function U(e){var t=e.tag,r=e.xref_id,n=e.pointer,E={type:t,data:{formal_name:L[t]},value:e.value,children:[]};return r&&(E.data.xref_id=r),n&&(E.data.pointer=n),t.startsWith("_")&&(E.data.custom_tag=!0),E}function h(e,t){var r=e.tag,n=e.value;if("CONC"!==r&&"CONT"!==r)return!1;if(e.pointer)throw new Error("Cannot concatenate a pointer");return t.value||(t.value=""),"CONT"===r&&(t.value+="\n"),n&&(t.value+=n),!0}function P(e,t,r){e[t]?e["+"+t]=(e["+"+t]||[]).concat(r):e[t]=r}function _(e){var t=function(e,t){void 0===t&&(t=["TRLR","SUBM","SUBN","HEAD","NOTE","SOUR"]),l.default(e,t);for(var r,n=function(){var e=r.value;e.data||(e.data={}),T.default(e,function(t,r){var n,E=r.slice(1).concat(t).map(function(e){var t;return(null==(t=e.data)?void 0:t.formal_name)||e.type}).join("/");t.value?P(e.data,E,t.value):null!=(n=t.data)&&n.pointer&&P(e.data,"@"+E,t.data.pointer)}),e.children=[]},E=C(e.children);!(r=E()).done;)n();return e}(e).children,r=new Set(t.map(function(e){var t;return null==(t=e.data)?void 0:t.xref_id}).filter(Boolean)),n=[],E=new Map;return t.forEach(function(e){e.data&&Object.entries(e.data).filter(function(e){return e[0].startsWith("@")}).forEach(function(t){var a,A,i=t[0],I=t[1];if(!r.has(I))throw new Error("Undefined reference: "+I);if(null==(a=e.data)||!a.xref_id)throw new Error("Link from node with no xref id");var o=null==(A=e.data)?void 0:A.xref_id,N=I,R={source:o,target:N,value:i};n.push(R);var u=[o,N].sort().join("/");E.has(u)?E.get(u).push(R):E.set(u,[R])})}),function(e,t){for(var r,n=[["@HUSBAND","@FAMILY_SPOUSE"],["@WIFE","@FAMILY_SPOUSE"],["@FAMILY_CHILD","@CHILD"]],E=function(){var e=r.value[1];n.forEach(function(r){var n=r.map(function(t){return e.find(function(e){return e.value==t})}),E=n[0];E&&n[1]&&t.splice(t.indexOf(E),1)})},a=C(e);!(r=a()).done;)E()}(E,n),{nodes:t,links:n}}var g=R.default("\n\tUsage\n\t $ parse-gedcom <input>\n\tOptions\n\t --type, -s Output type (json, d3.json, dot)\n\tExamples\n\t $ parse-gedcom input.ged output.json\n",{flags:{type:{type:"string",alias:"t"}}}),F={".json":"json",".d3.json":"force",".dot":"dot"};!function(){try{var e=function(e){var t=function(e){for(var t,r={type:"root",children:[]},n=[],E=0,a=C(e.split(p).filter(function(e){return e.trim()}));!(t=a()).done;){var A=D(t.value);if(!h(A,n[n.length-1])){var i=U(A),I=A.level;if(0==I)r.children.push(i),n=[i];else{if(!(E==I-1||I<=E))throw new Error("Illegal nesting: transition from "+E+" to "+I);for(var o=0;o<=E-I;o++)n.pop();n[n.length-1].children.push(i),n.push(i)}E=I}}return r}(e),r="json";if(g.flags.type)r=g.flags.type;else if(n){var E=N.default.extname(n);E in F&&(r=F[E])}var a="";switch(r){case"json":return void(a=JSON.stringify(t,null,2));case"d3.json":return void(a=JSON.stringify(_(t),null,2));case"dot":return void(a=S.default.write(function(e){for(var t,r=_(e),n=r.nodes,E=r.links,a=new i.Graph,A=C(n);!(t=A()).done;){var I,o=t.value,N=(o.data||{}).NAME;a.setNode(null==(I=o.data)?void 0:I.xref_id,{label:N?N.replace(/^@/,""):o.type})}for(var R,u=C(E);!(R=u()).done;){var T=R.value;a.setEdge(T.source,T.target,{label:T.value})}return a}(t)))}n?o.default.writeFileSync(n,a,"utf8"):process.stdout.write(a)},t=g.input,r=t[0],n=t[1];r?e(o.default.readFileSync(r,"utf8")):Promise.resolve(u.default()).then(e)}catch(e){Promise.reject(e)}}();'

I've run this with both a very complex/long .ged file and a very simple .ged file. Have also attempted to output to .dot and .json file. Same error results regardless.

agill@adar81:~/Documents/family_tree/GRAMPS/temp$ which gedcom
/usr/local/bin/gedcom
agill@adar81:~/Documents/family_tree/GRAMPS/temp$ gedcom
agill@adar81:~/Documents/family_tree/GRAMPS/temp$ gedcom Untitled_1.ged output.json
agill@adar81:~/Documents/family_tree/GRAMPS/temp$ ls
Untitled_1.ged
agill@adar81:~/Documents/family_tree/GRAMPS/temp$ 

The GEDCOM file to convert was created in Gramps.
I gather this isn't a support forum and I could be stepping through the code, but any help would help. TIA.

I get a syntax error when I attempt to run this in an otherwise empty directory created just for trying to reproduce the error:

luke@opus95:/tmp$ mkdir gedcom
luke@opus95:/tmp$ cd gedcom/
luke@opus95:/tmp/gedcom$ npm i gedcom
npm WARN deprecated @types/[email protected]: This is a stub types definition. minimist-options provides its own type definitions, so you do not need this installed.
npm WARN saveError ENOENT: no such file or directory, open '/tmp/gedcom/package.json'
npm notice created a lockfile as package-lock.json. You should commit this file.
npm WARN enoent ENOENT: no such file or directory, open '/tmp/gedcom/package.json'
npm WARN gedcom No description
npm WARN gedcom No repository field.
npm WARN gedcom No README data
npm WARN gedcom No license field.

+ [email protected]
added 211 packages from 185 contributors and audited 211 packages in 19.273s

24 packages are looking for funding
  run `npm fund` for details

found 0 vulnerabilities

luke@opus95:/tmp/gedcom$ npx parse-gedcom -s json gramps.ged gramps.json
npx: installed 211 in 47.761s
/home/schierer/luke/.npm/_npx/180150/bin/parse-gedcom: 1: Syntax error: "(" unexpected
luke@opus95:/tmp/gedcom$ npm --version
6.14.15
luke@opus95:/tmp/gedcom$ 

The tokenizer I've written is "one token per line", so it's not quite a real tokenizer. It would be useful, if we want to emit nice errors, to actually record locations of things. That would help integrating with the unified ecosystem, like vfile, for reporters.

The website URL in the repository details (which is displayed under the description in the right-hand panel) should be updated from https://tmcw.github.io/parse-gedcom/live/ to https://tmcw.github.io/gedcom/live/

@tmcw do you know any serializers to bring JSON back to the *.ged format? Will it make sense to build it into this package?

Names in GEDCOM look like John /Smith/. We should include a parser to make it easier to show a chart with the last name not in slashes.

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