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Throw better error if no class found for mixin

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This commit is contained in:
Adam Wathan 2017-08-25 10:48:14 -04:00
parent c04a3b26c6
commit fbcda827c2
1 changed files with 8 additions and 2 deletions
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10
src/tailwind.js
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@ -3,7 +3,7 @@ const postcss = require('postcss')
const cssnext = require('postcss-cssnext')
const backgroundColors = require('./generators/background-colors')
function findMixin(css, mixin) {
function findMixin(css, mixin, onError) {
let match
css.walkRules((rule) => {
@ -13,6 +13,10 @@ function findMixin(css, mixin) {
}
})
if (_.isUndefined(match) && _.isFunction(onError)) {
onError()
}
return match.clone().nodes
}
@ -62,7 +66,9 @@ function substituteClassMixins(css) {
rule.walkAtRules('class', atRule => {
const mixins = _.trim(atRule.params, ` "'`).split(' ')
const decls = _.flatMap(mixins, (mixin) => {
return findMixin(css, mixin)
return findMixin(css, mixin, () => {
throw atRule.error(`No .${mixin} class found.`);
})
})
rule.insertBefore(atRule, decls)