61 lines
1.7 KiB
TypeScript
61 lines
1.7 KiB
TypeScript
import * as core from '@actions/core'
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import {Extractor, Property, Regex, RegexTransformer, Transformer} from './types'
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export function validateTransformer(transformer?: Regex): RegexTransformer | null {
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if (transformer === undefined) {
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return null
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}
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try {
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let target = undefined
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if (transformer.hasOwnProperty('target')) {
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target = (transformer as Transformer).target
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}
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let onProperty = undefined
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let method = undefined
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let onEmpty = undefined
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if (transformer.hasOwnProperty('method')) {
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method = (transformer as Extractor).method
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onEmpty = (transformer as Extractor).on_empty
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onProperty = (transformer as Extractor).on_property
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} else if (transformer.hasOwnProperty('on_property')) {
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onProperty = (transformer as Extractor).on_property
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}
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// legacy handling, transform single value input to array
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if (!Array.isArray(onProperty)) {
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if (onProperty !== undefined) {
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onProperty = [onProperty]
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}
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}
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return buildRegex(transformer, target, onProperty, method, onEmpty)
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} catch (e) {
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core.warning(`⚠️ Failed to validate transformer: ${transformer.pattern}`)
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return null
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}
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}
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/**
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* Constructs the RegExp, providing the configured Regex and additional values
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*/
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export function buildRegex(
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regex: Regex,
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target: string | undefined,
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onProperty?: Property[] | undefined,
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method?: 'replace' | 'match' | undefined,
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onEmpty?: string | undefined
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): RegexTransformer | null {
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try {
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return {
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pattern: new RegExp(regex.pattern.replace('\\\\', '\\'), regex.flags ?? 'gu'),
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target: target || '',
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onProperty,
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method,
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onEmpty
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}
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} catch (e) {
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core.warning(`⚠️ Bad regex: ${regex.pattern} (${e})`)
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return null
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}
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}
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