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import { uniqueId } from 'lodash';
import {
SNIPPET_BLOB_ACTION_CREATE,
SNIPPET_BLOB_ACTION_UPDATE,
SNIPPET_BLOB_ACTION_MOVE,
SNIPPET_BLOB_ACTION_DELETE,
} from '../constants';
const createLocalId = () => uniqueId('blob_local_');
export const decorateBlob = blob => ({
...blob,
id: createLocalId(),
isLoaded: false,
content: '',
});
export const createBlob = () => ({
id: createLocalId(),
content: '',
path: '',
isLoaded: true,
});
const diff = ({ content, path }, origBlob) => {
if (!origBlob) {
return {
action: SNIPPET_BLOB_ACTION_CREATE,
previousPath: path,
content,
filePath: path,
};
} else if (origBlob.path !== path || origBlob.content !== content) {
return {
action: origBlob.path === path ? SNIPPET_BLOB_ACTION_UPDATE : SNIPPET_BLOB_ACTION_MOVE,
previousPath: origBlob.path,
content,
filePath: path,
};
}
return null;
};
/**
* This function returns an array of diff actions (to be sent to the BE) based on the current vs. original blobs
*
* @param {Object} blobs
* @param {Object} origBlobs
*/
export const diffAll = (blobs, origBlobs) => {
const deletedEntries = Object.values(origBlobs)
.filter(x => !blobs[x.id])
.map(({ path, content }) => ({
action: SNIPPET_BLOB_ACTION_DELETE,
previousPath: path,
filePath: path,
content,
}));
const newEntries = Object.values(blobs)
.map(blob => diff(blob, origBlobs[blob.id]))
.filter(x => x);
return [...deletedEntries, ...newEntries];
};
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