Brad Werth
148c72ce9c
The Grid objects will be regenerated whenever the grid is reflowed, which is nearly the same to the old check of comparing the contents of the grid structure. This approach is prone to false positives, which is explained in a new comment. Differential Revision: https://phabricator.services.mozilla.com/D169725
61 lines
1.6 KiB
JavaScript
61 lines
1.6 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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/**
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* Returns the grid fragment array with all the grid fragment data stringifiable.
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*
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* @param {Object} fragments
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* Grid fragment object.
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* @return {Array} representation with the grid fragment data stringifiable.
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*/
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function getStringifiableFragments(fragments = []) {
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if (fragments[0] && Cu.isDeadWrapper(fragments[0])) {
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return {};
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}
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return fragments.map(getStringifiableFragment);
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}
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function getStringifiableFragment(fragment) {
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return {
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areas: getStringifiableAreas(fragment.areas),
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cols: getStringifiableDimension(fragment.cols),
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rows: getStringifiableDimension(fragment.rows),
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};
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}
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function getStringifiableAreas(areas) {
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return [...areas].map(getStringifiableArea);
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}
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function getStringifiableDimension(dimension) {
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return {
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lines: [...dimension.lines].map(getStringifiableLine),
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tracks: [...dimension.tracks].map(getStringifiableTrack),
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};
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}
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function getStringifiableArea({
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columnEnd,
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columnStart,
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name,
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rowEnd,
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rowStart,
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type,
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}) {
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return { columnEnd, columnStart, name, rowEnd, rowStart, type };
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}
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function getStringifiableLine({ breadth, names, number, start, type }) {
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return { breadth, names, number, start, type };
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}
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function getStringifiableTrack({ breadth, start, state, type }) {
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return { breadth, start, state, type };
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}
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exports.getStringifiableFragments = getStringifiableFragments;
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