65 lines
1.8 KiB
JavaScript
65 lines
1.8 KiB
JavaScript
import axios from '~/lib/utils/axios_utils';
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import { joinPaths } from '~/lib/utils/url_utility';
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import { normalizeData } from 'ee_else_ce/repository/utils/commit';
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import createFlash from '~/flash';
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import { COMMIT_BATCH_SIZE, I18N_COMMIT_DATA_FETCH_ERROR } from './constants';
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let requestedOffsets = [];
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let fetchedBatches = [];
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export const isRequested = (offset) => requestedOffsets.includes(offset);
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export const resetRequestedCommits = () => {
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requestedOffsets = [];
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fetchedBatches = [];
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};
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const addRequestedOffset = (offset) => {
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if (isRequested(offset) || offset < 0) {
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return;
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}
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requestedOffsets.push(offset);
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};
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const removeLeadingSlash = (path) => path.replace(/^\//, '');
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const fetchData = (projectPath, path, ref, offset) => {
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if (fetchedBatches.includes(offset) || offset < 0) {
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return [];
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}
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fetchedBatches.push(offset);
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const url = joinPaths(
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gon.relative_url_root || '/',
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projectPath,
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'/-/refs/',
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ref,
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'/logs_tree/',
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encodeURIComponent(removeLeadingSlash(path)),
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);
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return axios
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.get(url, { params: { format: 'json', offset } })
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.then(({ data }) => normalizeData(data, path))
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.catch(() => createFlash({ message: I18N_COMMIT_DATA_FETCH_ERROR }));
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};
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export const loadCommits = async (projectPath, path, ref, offset) => {
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if (isRequested(offset)) {
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return [];
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}
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// We fetch in batches of 25, so this ensures we don't refetch
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Array.from(Array(COMMIT_BATCH_SIZE)).forEach((_, i) => {
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addRequestedOffset(offset - i);
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addRequestedOffset(offset + i);
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});
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// Since a user could scroll either up or down, we want to support lazy loading in both directions
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const commitsBatchUp = await fetchData(projectPath, path, ref, offset - COMMIT_BATCH_SIZE);
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const commitsBatchDown = await fetchData(projectPath, path, ref, offset);
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return commitsBatchUp.concat(commitsBatchDown);
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};
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