| 1 | /**
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| 2 | * Check if it is a local path
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| 3 | * @param {string} input
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| 4 | * @returns {boolean}
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| 5 | */
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| 6 | function isLocalPath(input) {
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| 7 | return /^[./]|(^[a-zA-Z]:)/.test(input)
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| 8 | }
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| 9 |
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| 10 | /**
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| 11 | * Check if a package is scoped package
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| 12 | * @param {string} input
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| 13 | * @returns {boolean}
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| 14 | */
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| 15 | function isScoped(input) {
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| 16 | return input.startsWith('@')
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| 17 | }
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| 18 |
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| 19 | /**
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| 20 | * @param {string} input
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| 21 | * @param {string} prefix
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| 22 | * @returns {string}
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| 23 | */
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| 24 | module.exports = (input, prefix) => {
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| 25 | if (isLocalPath(input) || !prefix) {
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| 26 | return input
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| 27 | }
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| 28 |
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| 29 | if (isScoped(input)) {
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| 30 | const RE = new RegExp(`/(${prefix})?`)
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| 31 | return input.replace(RE, `/${prefix}`)
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| 32 | }
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| 33 |
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| 34 | const RE = new RegExp(`^(${prefix})?`)
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| 35 | return input.replace(RE, prefix)
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| 36 | }
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