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import _ from 'underscore';
export const notes = state => state.notes;
export const targetNoteHash = state => state.targetNoteHash;
export const getNotesData = state => state.notesData;
export const getNotesDataByProp = state => prop => state.notesData[prop];
export const getNoteableData = state => state.noteableData;
export const getNoteableDataByProp = state => prop => state.noteableData[prop];
export const getUserData = state => state.userData || {};
export const getUserDataByProp = state => prop => state.userData && state.userData[prop];
export const notesById = state => state.notes.reduce((acc, note) => {
note.notes.every(n => Object.assign(acc, { [n.id]: n }));
return acc;
}, {});
const reverseNotes = array => array.slice(0).reverse();
const isLastNote = (note, state) => !note.system &&
state.userData && note.author &&
note.author.id === state.userData.id;
export const getCurrentUserLastNote = state => _.flatten(
reverseNotes(state.notes)
.map(note => reverseNotes(note.notes)),
).find(el => isLastNote(el, state));
export const getDiscussionLastNote = state => discussion => reverseNotes(discussion.notes)
.find(el => isLastNote(el, state));
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