48 lines
1.3 KiB
TypeScript
48 lines
1.3 KiB
TypeScript
type Tag = {
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name: string;
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digest: string;
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};
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class DockerHub {
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getLatestVersions = async (imageName: string): Promise<string[]> => {
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const imagePath = imageName.includes("/")
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? imageName
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: `library/${imageName}`;
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const tagsResponse = await this.fetch(
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`/${imagePath}/tags?page_size=10&ordering=last_updated`
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).then((res) => res.json());
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const tags: Tag[] = tagsResponse.results;
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if (tags.length === 0) {
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throw new Error(`No tags found for ${imageName}`);
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}
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const latestTag = tags.find((tag) => tag.name === "latest");
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if (!latestTag) {
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return [];
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}
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const latestTags = tags
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.filter((tag) => tag.digest === latestTag.digest)
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.map((tag) => tag.name);
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// Example: "1.0.0-alpine" is a variant of "1.0.0"
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const isVariant = (tag: Tag) => {
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return latestTags.some((latestTag) => tag.name.includes(latestTag + "-"));
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};
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return latestTags
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.concat(tags.filter(isVariant).map((tag) => tag.name))
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.map((tag) => `${imageName}:${tag}`)
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.sort();
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};
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private fetch = async (url: string): Promise<Response> => {
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const fullUrl = `https://hub.docker.com/v2/repositories${url}`;
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console.debug("-> Docker: Fetching", fullUrl);
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return fetch(fullUrl);
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};
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}
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export default DockerHub;
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