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b6287708f6
Updates files outside of x-pack to be triple-licensed under Elastic License 2.0, AGPL 3.0, or SSPL 1.0.
51 lines
1.5 KiB
TypeScript
51 lines
1.5 KiB
TypeScript
/*
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* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
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* or more contributor license agreements. Licensed under the "Elastic License
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* 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
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* Public License v 1"; you may not use this file except in compliance with, at
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* your election, the "Elastic License 2.0", the "GNU Affero General Public
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* License v3.0 only", or the "Server Side Public License, v 1".
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*/
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import pm from 'picomatch';
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export type Matcher = (path: string) => boolean;
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/**
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* Simplified version of picomatch options, focusing on options useful to Kibana
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* that we have actually tested.
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*/
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export interface MatchOptions {
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/**
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* One or more glob patterns for excluding strings that should not be matched from the result.
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*/
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ignore?: string[];
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/**
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* Make matching case-insensitive. Equivalent to the regex `i` flag.
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*/
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caseInsensitive?: boolean;
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}
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/**
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* Create a matcher function which will can test if a string matches any
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* of the positive patterns and none of the negative patterns
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*/
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export function makeMatcher(patterns: string[], options?: MatchOptions) {
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const negative: string[] = [];
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const positive: string[] = [];
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for (const e of patterns) {
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if (e.startsWith('!')) {
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negative.push(e.slice(1));
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} else {
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positive.push(e);
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}
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}
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const matcher = pm(positive, {
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nocase: options?.caseInsensitive,
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nonegate: true,
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ignore: [...(options?.ignore ?? []), ...negative],
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});
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return (val: string) => matcher(val);
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}
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