README.md

Usage

python tailwind_auto_prefix.py <tailwind_template.html

requirements.txt

lxml==4.7.1 \
    --hash=sha256:d546431636edb1d6a608b348dd58cc9841b81f4116745857b6cb9f8dadb2725f \
    --hash=sha256:6308062534323f0d3edb4e702a0e26a76ca9e0e23ff99be5d82750772df32a9e \
    --hash=sha256:f76dbe44e31abf516114f6347a46fa4e7c2e8bceaa4b6f7ee3a0a03c8eba3c17 \
    --hash=sha256:d5618d49de6ba63fe4510bdada62d06a8acfca0b4b5c904956c777d28382b419 \
    --hash=sha256:9393a05b126a7e187f3e38758255e0edf948a65b22c377414002d488221fdaa2 \
    --hash=sha256:50d3dba341f1e583265c1a808e897b4159208d814ab07530202b6036a4d86da5 \
    --hash=sha256:44f552e0da3c8ee3c28e2eb82b0b784200631687fc6a71277ea8ab0828780e7d \
    --hash=sha256:e662c6266e3a275bdcb6bb049edc7cd77d0b0f7e119a53101d367c841afc66dc \
    --hash=sha256:4c093c571bc3da9ebcd484e001ba18b8452903cd428c0bc926d9b0141bcb710e \
    --hash=sha256:3e26ad9bc48d610bf6cc76c506b9e5ad9360ed7a945d9be3b5b2c8535a0145e3 \
    --hash=sha256:a5f623aeaa24f71fce3177d7fee875371345eb9102b355b882243e33e04b7175 \
    --hash=sha256:7b5e2acefd33c259c4a2e157119c4373c8773cf6793e225006a1649672ab47a6 \
    --hash=sha256:67fa5f028e8a01e1d7944a9fb616d1d0510d5d38b0c41708310bd1bc45ae89f6 \
    --hash=sha256:b1d381f58fcc3e63fcc0ea4f0a38335163883267f77e4c6e22d7a30877218a0e \
    --hash=sha256:38d9759733aa04fb1697d717bfabbedb21398046bd07734be7cccc3d19ea8675 \
    --hash=sha256:dfd0d464f3d86a1460683cd742306d1138b4e99b79094f4e07e1ca85ee267fe7 \
    --hash=sha256:534e946bce61fd162af02bad7bfd2daec1521b71d27238869c23a672146c34a5 \
    --hash=sha256:6ec829058785d028f467be70cd195cd0aaf1a763e4d09822584ede8c9eaa4b03 \
    --hash=sha256:ade74f5e3a0fd17df5782896ddca7ddb998845a5f7cd4b0be771e1ffc3b9aa5b \
    --hash=sha256:41358bfd24425c1673f184d7c26c6ae91943fe51dfecc3603b5e08187b4bcc55 \
    --hash=sha256:6e56521538f19c4a6690f439fefed551f0b296bd785adc67c1777c348beb943d \
    --hash=sha256:5b0f782f0e03555c55e37d93d7a57454efe7495dab33ba0ccd2dbe25fc50f05d \
    --hash=sha256:490712b91c65988012e866c411a40cc65b595929ececf75eeb4c79fcc3bc80a6 \
    --hash=sha256:34c22eb8c819d59cec4444d9eebe2e38b95d3dcdafe08965853f8799fd71161d \
    --hash=sha256:2a906c3890da6a63224d551c2967413b8790a6357a80bf6b257c9a7978c2c42d \
    --hash=sha256:36b16fecb10246e599f178dd74f313cbdc9f41c56e77d52100d1361eed24f51a \
    --hash=sha256:a5edc58d631170de90e50adc2cc0248083541affef82f8cd93bea458e4d96db8 \
    --hash=sha256:87c1b0496e8c87ec9db5383e30042357b4839b46c2d556abd49ec770ce2ad868 \
    --hash=sha256:0a5f0e4747f31cff87d1eb32a6000bde1e603107f632ef4666be0dc065889c7a \
    --hash=sha256:bf6005708fc2e2c89a083f258b97709559a95f9a7a03e59f805dd23c93bc3986 \
    --hash=sha256:fc15874816b9320581133ddc2096b644582ab870cf6a6ed63684433e7af4b0d3 \
    --hash=sha256:0b5e96e25e70917b28a5391c2ed3ffc6156513d3db0e1476c5253fcd50f7a944 \
    --hash=sha256:ec9027d0beb785a35aa9951d14e06d48cfbf876d8ff67519403a2522b181943b \
    --hash=sha256:9fbc0dee7ff5f15c4428775e6fa3ed20003140560ffa22b88326669d53b3c0f4 \
    --hash=sha256:1104a8d47967a414a436007c52f533e933e5d52574cab407b1e49a4e9b5ddbd1 \
    --hash=sha256:fc9fb11b65e7bc49f7f75aaba1b700f7181d95d4e151cf2f24d51bfd14410b77 \
    --hash=sha256:317bd63870b4d875af3c1be1b19202de34c32623609ec803b81c99193a788c1e \
    --hash=sha256:610807cea990fd545b1559466971649e69302c8a9472cefe1d6d48a1dee97440 \
    --hash=sha256:09b738360af8cb2da275998a8bf79517a71225b0de41ab47339c2beebfff025f \
    --hash=sha256:6a2ab9d089324d77bb81745b01f4aeffe4094306d939e92ba5e71e9a6b99b71e \
    --hash=sha256:eed394099a7792834f0cb4a8f615319152b9d801444c1c9e1b1a2c36d2239f9e \
    --hash=sha256:735e3b4ce9c0616e85f302f109bdc6e425ba1670a73f962c9f6b98a6d51b77c9 \
    --hash=sha256:772057fba283c095db8c8ecde4634717a35c47061d24f889468dc67190327bcd \
    --hash=sha256:13dbb5c7e8f3b6a2cf6e10b0948cacb2f4c9eb05029fe31c60592d08ac63180d \
    --hash=sha256:718d7208b9c2d86aaf0294d9381a6acb0158b5ff0f3515902751404e318e02c9 \
    --hash=sha256:5bee1b0cbfdb87686a7fb0e46f1d8bd34d52d6932c0723a86de1cc532b1aa489 \
    --hash=sha256:e410cf3a2272d0a85526d700782a2fa92c1e304fdcc519ba74ac80b8297adf36 \
    --hash=sha256:585ea241ee4961dc18a95e2f5581dbc26285fcf330e007459688096f76be8c42 \
    --hash=sha256:a555e06566c6dc167fbcd0ad507ff05fd9328502aefc963cb0a0547cfe7f00db \
    --hash=sha256:adaab25be351fff0d8a691c4f09153647804d09a87a4e4ea2c3f9fe9e8651851 \
    --hash=sha256:82d16a64236970cb93c8d63ad18c5b9f138a704331e4b916b2737ddfad14e0c4 \
    --hash=sha256:59e7da839a1238807226f7143c68a479dee09244d1b3cf8c134f2fce777d12d0 \
    --hash=sha256:a1bbc4efa99ed1310b5009ce7f3a1784698082ed2c1ef3895332f5df9b3b92c2 \
    --hash=sha256:0607ff0988ad7e173e5ddf7bf55ee65534bd18a5461183c33e8e41a59e89edf4 \
    --hash=sha256:6c198bfc169419c09b85ab10cb0f572744e686f40d1e7f4ed09061284fc1303f \
    --hash=sha256:a58d78653ae422df6837dd4ca0036610b8cb4962b5cfdbd337b7b24de9e5f98a \
    --hash=sha256:e18281a7d80d76b66a9f9e68a98cf7e1d153182772400d9a9ce855264d7d0ce7 \
    --hash=sha256:8e54945dd2eeb50925500957c7c579df3cd07c29db7810b83cf30495d79af267 \
    --hash=sha256:447d5009d6b5447b2f237395d0018901dcc673f7d9f82ba26c1b9f9c3b444b60 \
    --hash=sha256:a1613838aa6b89af4ba10a0f3a972836128801ed008078f8c1244e65958f1b24

tailwind_auto_prefix.py

from os import write
from sys import stdin, stdout
from lxml import html


DEFAULT_PREFIX = "tw-"

def add_prefix(name, prefix=DEFAULT_PREFIX):
    if ":" in name:
        parts = name.split(":")
        parts[1] = prefix + parts[1]
        return ":".join(parts)
    return prefix + name


doc = html.fromstring(stdin.read())
for element in doc.iter():
    classNames = element.get("class", "")
    if not classNames:
        continue

    newClassNames = " ".join(add_prefix(name) for name in classNames.split())
    element.attrib["class"] = newClassNames

write(stdout.fileno(), html.tostring(doc, encoding="utf-8"))