satie
Version:
A sheet music renderer for the web
79 lines (78 loc) • 3.34 kB
JavaScript
/**
* This file is part of Satie music engraver <https://github.com/jnetterf/satie>.
* Copyright (C) Joshua Netterfield <joshua.ca> 2015 - present.
*
* Satie is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Satie is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Satie. If not, see <http://www.gnu.org/licenses/>.
*/
;
var invariant = require("invariant");
var lodash_1 = require("lodash");
var musicxml_interfaces_1 = require("musicxml-interfaces");
var private_mutate_1 = require("./private_mutate");
var implChord_noteImpl_1 = require("./implChord_noteImpl");
var implChord_noteMutator_1 = require("./implChord_noteMutator");
function chordMutator(chord, op) {
var path = op.p;
if (op.p[0] === "notes") {
if (path.length === 2) {
var idx = path[1];
invariant(!isNaN(idx), "Expected path index within chord to be a number");
if ("li" in op && "ld" in op) {
var replacement = op;
invariant(musicxml_interfaces_1.serializeNote(replacement.ld) === musicxml_interfaces_1.serializeNote(chord[idx]), "Cannot remove mismatching item from %s.", path.join(" "));
chord.splice(idx, 1, new implChord_noteImpl_1.default(chord, idx, replacement.li));
}
else if ("li" in op) {
var insertion = op;
chord.splice(idx, 0, new implChord_noteImpl_1.default(chord, idx, insertion.li));
}
else if ("ld" in op) {
var deletion = op;
invariant(musicxml_interfaces_1.serializeNote(deletion.ld) === musicxml_interfaces_1.serializeNote(chord[idx]), "Cannot remove mismatching item from %s.", path.join(" "));
chord.splice(idx, 1);
}
else {
invariant(false, "Unsupported operation");
}
chord._init = false;
}
else {
var note = chord[parseInt(String(op.p[1]), 10)];
invariant(Boolean(note), "Invalid operation path for chord. No such note " + op.p[1]);
var localOp = lodash_1.cloneDeep(op);
localOp.p = path.slice(2);
implChord_noteMutator_1.default(note, localOp);
chord._init = false;
}
}
else if (op.p[0] === "count") {
if ("od" in op && "oi" in op) {
private_mutate_1.replace(chord, op);
}
else if ("od" in op) {
private_mutate_1.remove(chord, op);
}
else {
invariant(false, "Unsupported operation");
}
}
else if (op.p[0] === "divCount") {
chord.divCount = op.oi;
}
else {
invariant(false, "Invalid/unimplemented operation path for chord: " + op.p[0]);
}
}
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = chordMutator;