process-content.js
1.34 KB
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"use strict"
// builtin tooling
const path = require("path")
// external tooling
const postcss = require("postcss")
// placeholder tooling
let sugarss
module.exports = function processContent(result, content, filename, options) {
const plugins = options.plugins
const ext = path.extname(filename)
const parserList = []
// SugarSS support:
if (ext === ".sss") {
if (!sugarss) {
try {
sugarss = require("sugarss")
} catch (e) {
// Ignore
}
}
if (sugarss) return runPostcss(content, filename, plugins, [sugarss])
}
// Syntax support:
if (result.opts.syntax && result.opts.syntax.parse) {
parserList.push(result.opts.syntax.parse)
}
// Parser support:
if (result.opts.parser) parserList.push(result.opts.parser)
// Try the default as a last resort:
parserList.push(null)
return runPostcss(content, filename, plugins, parserList)
}
function runPostcss(content, filename, plugins, parsers, index) {
if (!index) index = 0
return postcss(plugins)
.process(content, {
from: filename,
parser: parsers[index],
})
.catch(err => {
// If there's an error, try the next parser
index++
// If there are no parsers left, throw it
if (index === parsers.length) throw err
return runPostcss(content, filename, plugins, parsers, index)
})
}