@atlaskit/editor-core/dist/es2015/plugins/media/utils.js

A package contains Atlassian editor core functionality

import { atTheEndOfBlock, atTheBeginningOfBlock, endPositionOfParent, startPositionOfParent } from '../../utils';
export var posOfMediaGroupNearby = function (state) {
    return posOfParentMediaGroup(state)
        || posOfFollowingMediaGroup(state)
        || posOfPreceedingMediaGroup(state);
};
export var isSelectionNonMediaBlockNode = function (state) {
    var node = state.selection.node;
    return node && node.type !== state.schema.nodes.media && node.isBlock;
};
export var posOfPreceedingMediaGroup = function (state) {
    if (!atTheBeginningOfBlock(state)) {
        return;
    }
    return posOfMediaGroupAbove(state, state.selection.$from);
};
var posOfFollowingMediaGroup = function (state) {
    if (!atTheEndOfBlock(state)) {
        return;
    }
    return posOfMediaGroupBelow(state, state.selection.$to);
};
var posOfMediaGroupAbove = function (state, $pos) {
    var adjacentPos;
    var adjacentNode;
    if (isSelectionNonMediaBlockNode(state)) {
        adjacentPos = $pos.pos;
        adjacentNode = $pos.nodeBefore;
    }
    else {
        adjacentPos = startPositionOfParent($pos) - 1;
        adjacentNode = state.doc.resolve(adjacentPos).nodeBefore;
    }
    if (adjacentNode && adjacentNode.type === state.schema.nodes.mediaGroup) {
        return adjacentPos - adjacentNode.nodeSize + 1;
    }
};
/**
 * Determine whether the cursor is inside empty paragraph
 * or the selection is the entire paragraph
 */
export var isInsidePotentialEmptyParagraph = function (state) {
    var $from = state.selection.$from;
    return $from.parent.type === state.schema.nodes.paragraph && atTheBeginningOfBlock(state) && atTheEndOfBlock(state);
};
export var posOfMediaGroupBelow = function (state, $pos, prepend) {
    if (prepend === void 0) { prepend = true; }
    var adjacentPos;
    var adjacentNode;
    if (isSelectionNonMediaBlockNode(state)) {
        adjacentPos = $pos.pos;
        adjacentNode = $pos.nodeAfter;
    }
    else {
        adjacentPos = endPositionOfParent($pos);
        adjacentNode = state.doc.nodeAt(adjacentPos);
    }
    if (adjacentNode && adjacentNode.type === state.schema.nodes.mediaGroup) {
        return prepend ? adjacentPos + 1 : adjacentPos + adjacentNode.nodeSize - 1;
    }
};
export var posOfParentMediaGroup = function (state, $pos, prepend) {
    if (prepend === void 0) { prepend = true; }
    var $from = state.selection.$from;
    $pos = $pos || $from;
    if ($pos.parent.type === state.schema.nodes.mediaGroup) {
        return prepend ? startPositionOfParent($pos) : endPositionOfParent($pos) - 1;
    }
};
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