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100 lines
3.4 KiB
TypeScript
100 lines
3.4 KiB
TypeScript
import { CONFIG_VALIDATION } from '../../../constants/error-messages';
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import { regEx } from '../../../util/regex';
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import type { GenericVersion } from '../generic';
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import { GenericVersioningApi } from '../generic';
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import type { VersioningApiConstructor } from '../types';
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export const id = 'regex';
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export const displayName = 'Regular Expression';
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export const urls = [];
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export const supportsRanges = false;
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export interface RegExpVersion extends GenericVersion {
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/**
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* compatibility, if present, are treated as a compatibility layer: we will
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* never try to update to a version with a different compatibility.
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*/
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compatibility: string;
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}
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export class RegExpVersioningApi extends GenericVersioningApi<RegExpVersion> {
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// config is expected to be overridden by a user-specified RegExp value
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// sample values:
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//
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// * emulates the "semver" configuration:
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// RegExp('^(?<major>\\d+)\\.(?<minor>\\d+)\\.(?<patch>\\d+)(-(?<prerelease>.*))?$')
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// * emulates the "docker" configuration:
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// RegExp('^(?<major>\\d+)\\.(?<minor>\\d+)\\.(?<patch>\\d+)(-(?<compatibility>.*))?$')
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// * matches the versioning approach used by the Python images on DockerHub:
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// RegExp('^(?<major>\\d+)\\.(?<minor>\\d+)\\.(?<patch>\\d+)(?<prerelease>[^.-]+)?(-(?<compatibility>.*))?$');
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// * matches the versioning approach used by the Bitnami images on DockerHub:
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// RegExp('^(?<major>\\d+)\\.(?<minor>\\d+)\\.(?<patch>\\d+)(:?-(?<compatibility>.*-r)(?<build>\\d+))?$');
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protected readonly _config: RegExp;
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constructor(_new_config: string | undefined) {
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super();
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const new_config = _new_config ?? '^(?<major>\\d+)?$';
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// without at least one of {major, minor, patch} specified in the regex,
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// this versioner will not work properly
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if (
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!new_config.includes('<major>') &&
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!new_config.includes('<minor>') &&
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!new_config.includes('<patch>')
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) {
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const error = new Error(CONFIG_VALIDATION);
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error.validationSource = new_config;
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error.validationError =
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'regex versioning needs at least one major, minor or patch group defined';
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throw error;
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}
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// TODO: should we validate the user has not added extra unsupported
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// capture groups? (#9717)
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this._config = regEx(new_config);
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}
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// convenience method for passing a string into a Version given current config.
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protected _parse(version: string): RegExpVersion | null {
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const groups = this._config?.exec(version)?.groups;
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if (!groups) {
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return null;
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}
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const { major, minor, patch, build, revision, prerelease, compatibility } =
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groups;
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const release = [
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typeof major === 'undefined' ? 0 : Number.parseInt(major, 10),
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typeof minor === 'undefined' ? 0 : Number.parseInt(minor, 10),
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typeof patch === 'undefined' ? 0 : Number.parseInt(patch, 10),
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];
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if (build) {
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release.push(Number.parseInt(build, 10));
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if (revision) {
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release.push(Number.parseInt(revision, 10));
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}
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}
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return {
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release,
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prerelease,
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compatibility,
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};
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}
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override isCompatible(version: string, current: string): boolean {
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const parsedVersion = this._parse(version);
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const parsedCurrent = this._parse(current);
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return !!(
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parsedVersion &&
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parsedCurrent &&
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parsedVersion.compatibility === parsedCurrent.compatibility
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);
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}
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}
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export const api: VersioningApiConstructor = RegExpVersioningApi;
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export default api;
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