/
parseDependency.js
49 lines (40 loc) · 1.22 KB
/
parseDependency.js
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import isGlob from 'is-glob'
import globParent from 'glob-parent'
import path from 'path'
// Based on `glob-base`
// https://github.com/micromatch/glob-base/blob/master/index.js
function parseGlob(pattern) {
let glob = pattern
let base = globParent(pattern)
if (base !== '.') {
glob = pattern.substr(base.length)
if (glob.charAt(0) === '/') {
glob = glob.substr(1)
}
}
if (glob.substr(0, 2) === './') {
glob = glob.substr(2)
}
if (glob.charAt(0) === '/') {
glob = glob.substr(1)
}
return { base, glob }
}
export default function parseDependency(normalizedFileOrGlob) {
if (normalizedFileOrGlob.startsWith('!')) {
return null
}
let message
if (isGlob(normalizedFileOrGlob)) {
let { base, glob } = parseGlob(normalizedFileOrGlob)
message = { type: 'dir-dependency', dir: path.resolve(base), glob }
} else {
message = { type: 'dependency', file: path.resolve(normalizedFileOrGlob) }
}
// rollup-plugin-postcss does not support dir-dependency messages
// but directories can be watched in the same way as files
if (message.type === 'dir-dependency' && process.env.ROLLUP_WATCH === 'true') {
message = { type: 'dependency', file: message.dir }
}
return message
}