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import {empty} from '#sugar';
export default ({
documentModes: {allInOne},
thingConstructors: {
HomepageLayout,
HomepageLayoutActionsRow,
HomepageLayoutAlbumCarouselRow,
HomepageLayoutAlbumGridRow,
HomepageLayoutRow,
HomepageLayoutSection,
},
}) => ({
title: `Process homepage layout file`,
file: 'homepage.yaml',
documentMode: allInOne,
documentThing: document => {
if (document['Homepage']) {
return HomepageLayout;
}
if (document['Section']) {
return HomepageLayoutSection;
}
if (document['Row']) {
switch (document['Row']) {
case 'actions':
return HomepageLayoutActionsRow;
case 'album carousel':
return HomepageLayoutAlbumCarouselRow;
case 'album grid':
return HomepageLayoutAlbumGridRow;
default:
throw new TypeError(`Unrecognized row type ${document['Row']}`);
}
}
return null;
},
connect(results) {
if (!empty(results) && !(results[0] instanceof HomepageLayout)) {
throw new Error(`Expected 'Homepage' document at top of homepage layout file`);
}
const homepageLayout = results[0];
const sections = [];
let currentSection = null;
let currentSectionRows = [];
const closeCurrentSection = () => {
if (currentSection) {
for (const row of currentSectionRows) {
row.section = currentSection;
}
currentSection.rows = currentSectionRows;
sections.push(currentSection);
currentSection = null;
currentSectionRows = [];
}
};
for (const entry of results.slice(1)) {
if (entry instanceof HomepageLayout) {
throw new Error(`Expected only one 'Homepage' document in total`);
} else if (entry instanceof HomepageLayoutSection) {
closeCurrentSection();
currentSection = entry;
} else if (entry instanceof HomepageLayoutRow) {
if (currentSection) {
currentSectionRows.push(entry);
} else {
throw new Error(`Expected a 'Section' document to add following rows into`);
}
}
}
closeCurrentSection();
homepageLayout.sections = sections;
},
});
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