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fix : css <=> js conversion #40

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Merged
merged 1 commit into from
Jun 26, 2022
Merged

fix : css <=> js conversion #40

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2 changes: 1 addition & 1 deletion packages/css-in-js-helpers/package.json
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
{
"name": "css-in-js-helpers",
"version": "1.0.1",
"version": "1.0.2",
"description": "CSS in JS helpers",
"main": "dist/index.js",
"scripts": {
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30 changes: 22 additions & 8 deletions packages/css-in-js-helpers/src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,9 +4,14 @@ const RN_COMPLETIONS = require('../completions-rn.json')
const getBeginningWhitespace = string =>
string.match(/^\s+/) !== null ? string.match(/^\s+/)[0] : ''

const isCSS = item => (item.match(/;/g) || []).length === 1
// return if the item ends with ; and such semi-colon the only one in the item
const isCSS = item =>
item.trim().endsWith(';') && (item.match(/;/g) || []).length == 1

const isJS = item => (item.match(/,/g) || []).length === 1
// return if the item ends with , such comma is the only one which is not wrapped with quotes
const isJS = item =>
item.trim().endsWith(',') &&
item.match(/(,)(?=(?:[^"']|("|')[^"']*("|'))*$)/g).length === 1

const toHyphen = prop =>
prop.replace(/([A-Z])/g, char => `-${char[0].toLowerCase()}`)
Expand All @@ -15,17 +20,26 @@ const toCamel = prop =>
prop.replace(/-(\w|$)/g, (dash, next) => next.toUpperCase())

const toJS = item => {
const [prop, val] = item.split(':')
let [prop, val] = item.split(/:(.+)/, 2) // in case of bg-url, the value might contain colon :
val = val.trim().slice(0, -1) // remove trailing semi-colon
let wrappingQuotes = "'" // handle if the property already contains quotes
if (!isNaN(val)) {
wrappingQuotes = ''
} else if (val.includes("'") && val.includes('"')) {
return item
} else if (val.includes("'")) {
wrappingQuotes = '"'
}
return `${getBeginningWhitespace(prop)}${toCamel(
prop.trim()
)}: '${val.trim().replace(';', '')}',`
)}: ${wrappingQuotes}${val}${wrappingQuotes},`
}

const toCSS = item => {
const [prop, val] = item.split(':')
return `${getBeginningWhitespace(prop)}${toHyphen(
prop.trim()
)}: ${val.trim().replace(/'|,/g, '')};`
let [prop, val] = item.split(/:(.+)/, 2)
val = val.trim().slice(0, -1) // remove trailing comma
return `${getBeginningWhitespace(prop)}${toHyphen(prop.trim())}: ${isNaN(val.trim()) ? val.slice(1, -1) : Number(val)
};`
}

const firstCharsEqual = (str1, str2) => str1[0].toLowerCase() === str2[0].toLowerCase()
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