const ensureRequire = require('../ensure-require')
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const compileBabel = require('./babel-compiler')
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const loadBabelConfig = require('../load-babel-config.js')
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const { loadTypescriptConfig } = require('../load-typescript-config')
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module.exports = function compileTypescript (scriptContent, vueJestConfig, filePath) {
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ensureRequire('typescript', ['typescript'])
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const typescript = require('typescript')
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const tsConfig = loadTypescriptConfig(vueJestConfig)
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const res = typescript.transpileModule(scriptContent, tsConfig)
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const inputSourceMap = (res.sourceMapText !== undefined)
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? JSON.parse(res.sourceMapText)
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: false // inputSourceMap must be a boolean, object, or undefined as per babel requirements
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// handle ES modules in TS source code in case user uses non commonjs module
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// output and there is no .babelrc.
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let inlineBabelConfig
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if (tsConfig.compilerOptions.module !== 'commonjs' && !loadBabelConfig(vueJestConfig, filePath)) {
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inlineBabelConfig = {
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plugins: [
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require('babel-plugin-transform-es2015-modules-commonjs')
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]
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}
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}
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return compileBabel(res.outputText, inputSourceMap, inlineBabelConfig, vueJestConfig)
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}
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