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Allow regex filter #5

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Allow regex filter #5

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31b19e8
allow filter to be a regex
Dec 21, 2017
b090408
remove semi
Dec 21, 2017
fc47b74
rename function
Dec 21, 2017
4c04522
Merge branch 'master' into allow_regex_filter
brettjurgens May 8, 2018
1d3c709
Merge pull request #2 from unindented/master
brettjurgens Oct 9, 2018
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13 changes: 10 additions & 3 deletions src/utils/image.js
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Original file line number Diff line number Diff line change
Expand Up @@ -13,8 +13,15 @@ const pathExists = promisify(fs.pathExists)
const remove = promisify(fs.remove)
const glob = promisify(globby)

function filterFiles (filter) {
if (!filter) { return array => array }
const filterRegex = new RegExp(filter)
return array => array.filter(value => filterRegex.test(value))
}

async function checkForStaleRefScreenshots ({ dir, filter }) {
const refImgs = await glob(path.join(dir, `${filter || ''}*.png`), {
const refImgs = filterFiles(filter)(await glob(path.join(dir, `*.new.png`)))
await glob(path.join(dir, `${filter || ''}*.png`), {
ignore: path.join(dir, `${filter || ''}*.{diff,new}.png`)
})

Expand All @@ -36,7 +43,7 @@ async function checkForStaleRefScreenshots ({ dir, filter }) {
}

async function compareNewScreenshotsToRefScreenshots ({ dir, filter, threshold }) {
const newImgs = await glob(path.join(dir, `${filter || ''}*.new.png`))
const newImgs = filterFiles(filter)(await glob(path.join(dir, `*.new.png`)))

let diffCount = 0

Expand Down Expand Up @@ -69,7 +76,7 @@ async function compareNewScreenshotsToRefScreenshots ({ dir, filter, threshold }
}

async function promoteNewScreenshots ({ dir, filter }) {
const newImgs = await glob(path.join(dir, `${filter || ''}*.new.png`))
const newImgs = filterFiles(filter)(await glob(path.join(dir, `*.new.png`)))
const oldDiffs = await glob(path.join(dir, `${filter || ''}*.diff.png`))

for (const newImg of newImgs) {
Expand Down