const path = require('path')
|
const fs = require('fs')
|
const ensureRequire = require('../ensure-require')
|
const getVueJestConfig = require('../get-vue-jest-config')
|
const logger = require('../logger')
|
|
const applyModuleNameMapper = require('./helpers/module-name-mapper-helper')
|
|
/**
|
* This module is meant to compile scss
|
*
|
* @param {String} content - the content of the scss string that should be compiled
|
* @param {String} filePath - the path of the file holding the scss
|
* @param {Object} jestConfig - the complete jest config
|
* @returns {String} styles - the compiled scss
|
*/
|
module.exports = (content, filePath, jestConfig = {}) => {
|
const vueJestConfig = getVueJestConfig(jestConfig)
|
|
ensureRequire('scss', ['node-sass'])
|
const sass = require('node-sass')
|
|
let scssResources = ''
|
if (vueJestConfig.resources && vueJestConfig.resources.scss) {
|
scssResources = vueJestConfig.resources.scss
|
.map(scssResource => path.resolve(process.cwd(), scssResource))
|
.filter(scssResourcePath => fs.existsSync(scssResourcePath))
|
.map(scssResourcePath => fs.readFileSync(scssResourcePath).toString())
|
.join('\n')
|
}
|
|
try {
|
return sass.renderSync({
|
data: scssResources + content,
|
outputStyle: 'compressed',
|
importer: (url, prev, done) => ({ file: applyModuleNameMapper(url, prev === 'stdin' ? filePath : prev, jestConfig) })
|
}).css.toString()
|
} catch (err) {
|
if (!vueJestConfig.hideStyleWarn) {
|
logger.warn(`There was an error rendering the SCSS in ${filePath}. SCSS is fully supported by vue-jest. Still some features might throw errors. Webpack aliases are a common cause of errors. If you use Webpack aliases, please use jest's suggested way via moduleNameMapper which is supported.`)
|
logger.warn(`Error while compiling styles: ${err}`)
|
}
|
}
|
|
return ''
|
}
|
