mirror of
https://github.com/curioustorvald/Terrarum.git
synced 2026-03-07 12:21:52 +09:00
530 lines
16 KiB
Plaintext
530 lines
16 KiB
Plaintext
let states = {"keylayouts":[[""],[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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["0",")"],
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["1","!"],
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["2","@"],
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["3","#"],
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["4","$"],
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["5","%"],
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["6","^"],
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["7","&"],
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["8","*"],
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["9","("],
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["*"],
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["#"],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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["\u11BC","\u1172","\u1172"],
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["\u11BF","\u116E","\u116E"],
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["\u11BE","\u1166","\u1166"],
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["\u11AE","\u1175","\u1175"],
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["\u11B8","\u1167","\u1167"],
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["\u11BB","\u1161","\u1161"],
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["\u11BD","\u1173","\u1173"],
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["\u1102","‘"],
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["\u1106","\u1174","\u1174"],
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["\u110B","’"],
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["\u1100",';'],
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["\u110C","'"],
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["\u1112","/"],
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["\u1109","·"],
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["\u110E","\u116E","\u116E"], // combining U
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["\u1111","\u1169","\u1169"], // combining O
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["\u11BA","\u1164","\u1164"],
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["\u11C0","\u1162","\u1162"],
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["\u11AB","\u1168","\u1168"],
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["\u11C1","\u1165","\u1165"],
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["\u1103","”"],
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["\u11C2","\u1169","\u1169"],
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["\u11AF","\u1163","\u1163"],
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["\u11A8","\u116D","\u116D"],
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["\u1105","“"],
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["\u11B7","¤"],
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[",","<"],
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[".",">"],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[" "],
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[undefined],
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[undefined],
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[undefined],
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["\n"],
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["\x08"],
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["¤","~"],
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["-","_"],
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["=","+"],
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["[","{"],
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["]","}"],
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["\\","|"],
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["\u1107",":"],
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["\u1110",'/'],
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["\u110F","?","\u1169"], // combining O
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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["0"],
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["1"],
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["2"],
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["3"],
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["4"],
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["5"],
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["6"],
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["7"],
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["8"],
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["9"],
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["/"],
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["*"],
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["-"],
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["+"],
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["."],
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["."],
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["\n"],
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["="],
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["("],
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[")"],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined],
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[undefined]
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],
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"code":0,
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"buf":[],
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"hasDeadkey":false
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}
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let reset = () => {
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states.code = 0
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states.buf = []
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states.hasDeadkey = false
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}
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let inRange = (s,a,b) => (a <= s && s <= b)
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let isHangul = (s) => s !== undefined && inRange(s.charCodeAt(0), 0x1100, 0x11FF)
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let isChoseong = (s) => s !== undefined && inRange(s.charCodeAt(0), 0x1100, 0x1112)
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let isJungseong = (s) => s !== undefined && inRange(s.charCodeAt(0), 0x1161, 0x11A7)
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let isJongseong = (s) => s !== undefined && inRange(s.charCodeAt(0), 0x11A8, 0x11C2)
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let isJungseongSuper = (s) => s !== undefined && inRange(s.charCodeAt(0), 0x119E, 0x11A2)
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let isChoseongDigraph = (s) => s !== undefined && ([0x1100, 0x1103, 0x1107, 0x1109, 0x110C].includes(s.charCodeAt(0)))
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let isThisCharChoseongDigraph = (s) => s !== undefined && ([0x1101, 0x1104, 0x1108, 0x110A, 0x110D].includes(s.charCodeAt(0)))
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let isThisCharJungseongDigraph = (s) => s !== undefined && ([0x116A, 0x116B, 0x116C, 0x116F, 0x1170, 0x1171, 0x1174, 0x119F, 0x11A0, 0x11A1, 0x11A2].includes(s.charCodeAt(0)))
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let isThisCharJongseongDigraph = (s) => s !== undefined && ([0x11A9, 0x11AA, 0x11AC, 0x11AD, 0x11B0, 0x11B1, 0x11B2, 0x11B3, 0x11B4, 0x11B5, 0x11B6, 0x11B9].includes(s.charCodeAt(0))) // ㅆ is an exception!
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let isJungseongDigraphO = (s) => s !== undefined && ([0x1161, 0x1162, 0x1175].includes(s.charCodeAt(0)))
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let isJungseongDigraphU = (s) => s !== undefined && ([0x1165, 0x1166, 0x1175].includes(s.charCodeAt(0)))
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let isJungseongDigraphEU = (s) => s !== undefined && ([0x1175].includes(s.charCodeAt(0)))
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let isJungseongDigraphAA = (s) => s !== undefined && ([0x1165, 0x116E, 0x1175, 0x119E].includes(s.charCodeAt(0)))
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let isJongseongDigraphG = (s) => s !== undefined && ([0x11A8, 0x11BA].includes(s.charCodeAt(0)))
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let isJongseongDigraphN = (s) => s !== undefined && ([0x11BD, 0x11C2].includes(s.charCodeAt(0)))
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let isJongseongDigraphR = (s) => s !== undefined && ([0x11A8, 0x11B7, 0x11B8, 0x11BA, 0x11C0, 0x11C1, 0x11C2].includes(s.charCodeAt(0)))
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let isJongseongDigraphB = (s) => s !== undefined && ([0x11BA].includes(s.charCodeAt(0)))
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let choseongDigraphs = {"\u1100":"\u1101", "\u1103":"\u1104", "\u1107":"\u1108", "\u1109":"\u110A", "\u110C":"\u110D"}
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let jungseongDigraphsO = {"\u1161":"\u116A", "\u1162":"\u116B", "\u1175":"\u116C"}
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let jungseongDigraphsU = {"\u1165":"\u116F", "\u1166":"\u1170", "\u1175":"\u1171"}
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let jungseongDigraphsEU = {"\u1175":"\u1174"}
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let jungseongDigraphsAA = {"\u1165":"\u119F", "\u116E":"\u11A0", "\u1175":"\u11A1", "\u119E":"\u11A2"}
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let jongseongDigraphsG = {"\u11A8":"\u11A9", "\u11BA":"\u11AA"}
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let jongseongDigraphsN = {"\u11BD":"\u11AC", "\u11C2":"\u11AD"}
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let jongseongDigraphsR = {"\u11A8":"\u11B0", "\u11B7":"\u11B1", "\u11B8":"\u11B2", "\u11BA":"\u11B3", "\u11C0":"\u11B4", "\u11C1":"\u11B5", "\u11C2":"\u11B6"}
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let jongseongDigraphsB = {"\u11BA":"\u11B9"}
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let isJungseongDeadkey = (keynum) => [43,44,76].includes(keynum)
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let detachChoseongDigraph = {
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"\u1101":["\u1100","\u1100"],
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"\u1104":["\u1103","\u1103"],
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"\u1108":["\u1107","\u1107"],
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"\u110A":["\u1109","\u1109"],
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"\u110D":["\u110C","\u110C"]
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}
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let detachJungseongDigraph = {
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"\u116A":["\u1169","\u1161"],
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"\u116B":["\u1169","\u1162"],
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"\u116C":["\u1169","\u1175"],
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"\u116F":["\u116E","\u1165"],
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"\u1170":["\u116E","\u1166"],
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"\u1171":["\u116E","\u1175"],
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"\u1174":["\u1173","\u1175"],
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"\u119F":["\u119E","\u1165"],
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"\u11A0":["\u119E","\u116E"],
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"\u11A1":["\u119E","\u1175"],
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"\u11A2":["\u119E","\u119E"]
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}
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let detachJongseongDigraph = {
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"\u11A9":["\u11A8","\u11A8"],
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"\u11AA":["\u11A8","\u11BA"],
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"\u11AC":["\u11AB","\u11BD"],
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"\u11AD":["\u11AB","\u11C2"],
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"\u11B0":["\u11AF","\u11A8"],
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"\u11B1":["\u11AF","\u11B7"],
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"\u11B2":["\u11AF","\u11B8"],
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"\u11B3":["\u11AF","\u11BA"],
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"\u11B4":["\u11AF","\u11C0"],
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"\u11B5":["\u11AF","\u11C1"],
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"\u11B6":["\u11AF","\u11C2"],
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"\u11B9":["\u11B8","\u11BA"],
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"\u11BB":["\u11BA","\u11BA"]
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}
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let normaliseLUT = {
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// Hangul Jamo Initials → Hangul Compatibility Jamo
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"\u1100":"\u3131","\u1101":"\u3132","\u1102":"\u3134","\u1103":"\u3137","\u1104":"\u3138",
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"\u1105":"\u3139","\u1106":"\u3141","\u1107":"\u3142","\u1108":"\u3143","\u1109":"\u3145",
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"\u110A":"\u3146","\u110B":"\u3147","\u110C":"\u3148","\u110D":"\u3149","\u110E":"\u314A",
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"\u110F":"\u314B","\u1110":"\u314C","\u1111":"\u314D","\u1112":"\u314E",
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// Hangul Jamo Peaks → Hangul Compatibility Jamo
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"\u1161":"\u314F","\u1162":"\u3150","\u1163":"\u3151","\u1164":"\u3152","\u1165":"\u3153",
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"\u1166":"\u3154","\u1167":"\u3155","\u1168":"\u3156","\u1169":"\u3157","\u116A":"\u3158",
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"\u116B":"\u3159","\u116C":"\u315A","\u116D":"\u315B","\u116E":"\u315C","\u116F":"\u315D",
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"\u1170":"\u315E","\u1171":"\u315F","\u1172":"\u3160","\u1173":"\u3161","\u1174":"\u3162",
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"\u1175":"\u3163",
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// Hangul Jamo Finals → Hangul Compatibility Jamo
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"\u11A8":"\u3131","\u11A9":"\u3132","\u11AA":"\u3133","\u11AB":"\u3134","\u11AC":"\u3135",
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"\u11AD":"\u3136","\u11AE":"\u3137","\u11AF":"\u3139","\u11B0":"\u313A","\u11B1":"\u313B",
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"\u11B2":"\u313C","\u11B3":"\u313D","\u11B4":"\u313E","\u11B5":"\u313F","\u11B6":"\u3140",
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"\u11B7":"\u3141","\u11B8":"\u3142","\u11B9":"\u3144","\u11BA":"\u3145","\u11BB":"\u3146",
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"\u11BC":"\u3147","\u11BD":"\u3148","\u11BE":"\u314A","\u11BF":"\u314B","\u11C0":"\u314C",
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"\u11C1":"\u314D","\u11C2":"\u314E"
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}
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let normaliseBuf = (it) => normaliseLUT[it] || it
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let bufAssemble = (normalise) => {
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// nothing on the buffer
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if (states.buf[0] === undefined && states.buf[1] === undefined && states.buf[2] === undefined)
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return ''
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// Hangul: I x F
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else if (!normalise && states.buf[1] === undefined && isHangul(states.buf[0]))
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return [states.buf[0], "\u1160", states.buf[2]].join('')
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// Hangul: x P F
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else if (!normalise && states.buf[0] === undefined && isHangul(states.buf[1]))
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return ["\u115F", states.buf[1], states.buf[2]].join('')
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// Hangul: x x F
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else if (!normalise && isHangul(states.buf[2]) && states.buf[0] === undefined && states.buf[1] === undefined )
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return ["\u115F", "\u1160", states.buf[2]].join('')
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// Hangul: I P F → Hangul Syllables (\uAC00..\uD7A3)
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else if (!isJungseongSuper(states.buf[1]) && isChoseong(states.buf[0]) && isJungseong(states.buf[1]) && isJongseong(states.buf[2])) {
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let i = states.buf[0].charCodeAt(0) - 0x1100
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let p = states.buf[1].charCodeAt(0) - 0x1161
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let f = states.buf[2].charCodeAt(0) - 0x11A7
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return String.fromCodePoint(0xAC00 + (i * 588) + (p * 28) + f)
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}
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// Hangul: I P → Hangul Syllables (\uAC00..\uD7A3)
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else if (!isJungseongSuper(states.buf[1]) && isChoseong(states.buf[0]) && isJungseong(states.buf[1]) && undefined == states.buf[2]) {
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let i = states.buf[0].charCodeAt(0) - 0x1100
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let p = states.buf[1].charCodeAt(0) - 0x1161
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return String.fromCodePoint(0xAC00 + (i * 588) + (p * 28))
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}
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// Normalise unterminated hangul assembly
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else if (normalise && !isJungseongSuper(states.buf[1]))
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return states.buf.map(it => normaliseBuf(it)).join('')
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else
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return states.buf.join('')
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}
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let isBufferEmpty = (buf) => buf[0] === undefined && buf[1] === undefined && buf[2] === undefined
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let isBufferNotEmpty = (buf) => buf[0] !== undefined || buf[1] !== undefined || buf[2] !== undefined
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let bufDebugStringify = (buf) => [0,1,2].map(i => (buf[i] == undefined) ? "·" : `\\u${buf[i].codePointAt(0).toString(16).toUpperCase()}`).join(' ')
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return Object.freeze({"n":"신세벌식 ’03","v":"none","c":"CuriousTo\uA75Bvald","m":"rewrite",
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"t":states.keylayouts.map(it => [it[0],it[1]]),
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"l":"koKR",
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// return: [delete count, composed output]
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"accept":(headkey,shiftin,altgrin)=>{
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let layer = 1*shiftin// + 2*altgrin
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states.code = 1
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let s = states.keylayouts[headkey][layer] || states.keylayouts[headkey][0]
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let s2 = states.keylayouts[headkey][2]
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let bufIndex = isJungseong(s) ? 1 : isJongseong(s) ? 2 : 0
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let isDeadkey = isJungseongDeadkey(headkey)
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let hasChoseong = isChoseong(states.buf[0])
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let hasJungseong = isJungseong(states.buf[1])
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let shiftForJungseong = hasChoseong && !hasJungseong && s2 != undefined
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let deadkeyAcceptable = isDeadkey && !states.hasDeadkey && shiftForJungseong
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if (isHangul(s)) {
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// auto-change alternative layer if choseong is in the buffer already
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// unshift when jungseong is there
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// Korean threesetters call this feature "Galmadeuri" Input
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let autoshifted = false
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// if deadkeyAcceptable? -OR- shiftForJungseong? -OR- (notdeadkey? -AND- A as in GWA)
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if (deadkeyAcceptable || shiftForJungseong || (!isDeadkey && states.hasDeadkey)) {
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// console.log(`Shiftin--keycode=${headkey}, isDeadkey=${isDeadkey}, shiftForJungseong=${shiftForJungseong}, hasChoseong=${hasChoseong}, hasJungseong=${hasJungseong}; deadkeyAcceptable=${deadkeyAcceptable}, shiftForJungseong=${shiftForJungseong}, (!isDeadkey && states.hasDeadkey)=${(!isDeadkey && states.hasDeadkey)}`)
|
||
s = s2
|
||
bufIndex = 1
|
||
autoshifted = true
|
||
states.hasDeadkey = deadkeyAcceptable
|
||
}
|
||
else {
|
||
states.hasDeadkey = false
|
||
}
|
||
|
||
// console.log(`accepting hangul '${s}' at buf[${bufIndex}], autoshifted=${autoshifted}, states.hasDeadkey=${states.hasDeadkey}`)
|
||
|
||
// ㄲ ㄸ ㅃ ㅆ ㅉ (only allow when the jung/jongseong is not typed)
|
||
if (0 == bufIndex && !states.buf[1] && isChoseongDigraph(states.buf[0]) && states.buf[0] == s) {
|
||
states.buf[0] = choseongDigraphs[s]
|
||
}
|
||
// ㅘ ㅙ ㅚ
|
||
else if (1 == bufIndex && "\u1169" == states.buf[1] && isJungseongDigraphO(s)) {
|
||
states.buf[1] = jungseongDigraphsO[s]
|
||
}
|
||
// ㅝ ㅞ ㅟ
|
||
else if (1 == bufIndex && "\u116E" == states.buf[1] && isJungseongDigraphU(s)) {
|
||
states.buf[1] = jungseongDigraphsU[s]
|
||
}
|
||
// ㅢ
|
||
else if (1 == bufIndex && "\u1173" == states.buf[1] && isJungseongDigraphEU(s)) {
|
||
states.buf[1] = jungseongDigraphsEU[s]
|
||
}
|
||
// ᆟ ᆠ ᆡ ᆢ
|
||
else if (1 == bufIndex && "\u119E" == states.buf[1] && isJungseongDigraphAA(s)) {
|
||
states.buf[1] = jungseongDigraphsAA[s]
|
||
}
|
||
// ㄲ ㄳ
|
||
else if (2 == bufIndex && "\u11A8" == states.buf[2] && isJongseongDigraphG(s)) {
|
||
states.buf[2] = jongseongDigraphsG[s]
|
||
}
|
||
// ㄵ ㄶ
|
||
else if (2 == bufIndex && "\u11AB" == states.buf[2] && isJongseongDigraphN(s)) {
|
||
states.buf[2] = jongseongDigraphsN[s]
|
||
}
|
||
// ㄺ ㄻ ㄼ ㄽ ㄾ ㄿ ㅀ
|
||
else if (2 == bufIndex && "\u11AF" == states.buf[2] && isJongseongDigraphR(s)) {
|
||
states.buf[2] = jongseongDigraphsR[s]
|
||
}
|
||
// ㅄ
|
||
else if (2 == bufIndex && "\u11B8" == states.buf[2] && isJongseongDigraphB(s)) {
|
||
states.buf[2] = jongseongDigraphsB[s]
|
||
}
|
||
// sending out assembled syllable and accepting new hangul character
|
||
else if (states.buf[bufIndex] !== undefined) {
|
||
let oldstr = bufAssemble(1)
|
||
reset()
|
||
states.buf[bufIndex] = s
|
||
// console.log(`sending bufout: 1,${oldstr} ${bufDebugStringify(states.buf)}`)
|
||
return ["1", oldstr + bufAssemble(1)]
|
||
}
|
||
else {
|
||
let bufferEmpty = isBufferEmpty(states.buf)
|
||
states.buf[bufIndex] = s
|
||
|
||
// head of the word after the non-hangul
|
||
if (bufferEmpty) {
|
||
// console.log(`assem0: ${bufDebugStringify(states.buf)} -> 0,${bufAssemble()}`)
|
||
return ["0", bufAssemble(1)]
|
||
}
|
||
// not head of the word
|
||
else {
|
||
// console.log(`assem1: ${bufDebugStringify(states.buf)} -> 1,${bufAssemble()}`)
|
||
return ["1", bufAssemble()]
|
||
}
|
||
}
|
||
|
||
// console.log(`assem-digraph: ${bufDebugStringify(states.buf)} -> 1,${bufAssemble()}`)
|
||
return ["1", bufAssemble(1)]
|
||
}
|
||
// sending out assembled syllable and accepting new non-hangul character
|
||
else if (isBufferNotEmpty(states.buf)) {
|
||
let oldstr = bufAssemble(1)
|
||
reset()
|
||
// console.log(`sending1 out: 1,${oldstr}${s}`)
|
||
return ["1", oldstr + s]
|
||
}
|
||
// non-hangul
|
||
else {
|
||
// console.log(`sending0 out: 0,${s}`)
|
||
return ["0", s]
|
||
}
|
||
},
|
||
"backspace":()=>{
|
||
// disassemble jung/jongseong digraphs
|
||
// let oldbufstr = bufDebugStringify(states.buf)
|
||
let last = states.buf.pop()
|
||
|
||
if (last !== undefined) {
|
||
// detach jongseong
|
||
if (isThisCharJongseongDigraph(last))
|
||
states.buf[2] = detachJongseongDigraph[last][0]
|
||
// detach jungseong
|
||
else if (isThisCharJungseongDigraph(last))
|
||
states.buf[1] = detachJungseongDigraph[last][0]
|
||
// detach choseong
|
||
else if (isThisCharChoseongDigraph(last))
|
||
states.buf[0] = detachChoseongDigraph[last][0]
|
||
}
|
||
|
||
if (states.buf.length == 0) reset()
|
||
|
||
// let newbufstr = bufDebugStringify(states.buf)
|
||
// console.log(`popping assembly: ${oldbufstr} -> 1,${newbufstr}`)
|
||
|
||
return bufAssemble(1)
|
||
},
|
||
"end":()=>{
|
||
// console.log(`end composing`)
|
||
let ret = bufAssemble(1)
|
||
reset()
|
||
return ret
|
||
},
|
||
"reset":()=>{ reset() },
|
||
"composing":()=>(states.code!=0)
|
||
}) |