$3
Parse
PGN files into a JS data structure (and syntax validation on the PGN)
$3
From the command line:
src/pgn-parser.js some/pgn/file.pgn
From js
``
const pgnParser = require('pgn-parser');
const [result] = pgnParser.parse('[White "me"]\n[Black "you"]\n1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 (3. ...Nf6 {is the two knights}) 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O Nge7 $1 *');
console.log(result);
`
$3
The result parsing the PGN above would be
`
[
{
headers: [
{name: "White", value: "me"},
{name: "Black", value: "you"}
],
result: "*",
moves: [
{ move: 'e4', move_number: 1},
{ move: 'e5'},
{ move: 'Nf3', move_number: 2},
{ move: 'Nc6'},
{ move: 'Bc4', move_number: 3},
{ move: 'Bc5', ravs: [{ moves: [{move_number: 3, move: "...Nf6", comments: [{text: "is the two knights"}]}]}]},
{ move: 'b4', move_number: 4},
{ move: 'Bxb4'},
{ move: 'c3', move_number: 5},
{ move: 'Ba5'},
{ move: 'd4', move_number: 6},
{ move: 'exd4'},
{ move: 'O-O', move_number: 7},
{ move: 'Nge7', nags: ["$1"]}
]
}
]
`
$3
`
npm install
npm test
``