71 lines
1.9 KiB
JavaScript
71 lines
1.9 KiB
JavaScript
// copied from @vue/babel-preset-app
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const { semver } = require('@vue/cli-shared-utils')
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const { default: getTargets } = require('@babel/helper-compilation-targets')
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// See the result at <https://github.com/babel/babel/blob/v7.13.15/packages/babel-compat-data/data/native-modules.json>
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const allModuleTargets = getTargets(
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{ esmodules: true },
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{ ignoreBrowserslistConfig: true }
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)
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function getIntersectionTargets (targets, constraintTargets) {
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const intersection = Object.keys(constraintTargets).reduce(
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(results, browser) => {
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// exclude the browsers that the user does not need
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if (!targets[browser]) {
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return results
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}
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// if the user-specified version is higher the minimum version that supports esmodule, than use it
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results[browser] = semver.gt(
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semver.coerce(constraintTargets[browser]),
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semver.coerce(targets[browser])
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)
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? constraintTargets[browser]
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: targets[browser]
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return results
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},
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{}
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)
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return intersection
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}
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function getModuleTargets (targets) {
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// use the intersection of modern mode browsers and user defined targets config
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return getIntersectionTargets(targets, allModuleTargets)
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}
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function doAllTargetsSupportModule (targets) {
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const browserList = Object.keys(targets)
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return browserList.every(browserName => {
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if (!allModuleTargets[browserName]) {
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return false
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}
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return semver.gte(
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semver.coerce(targets[browserName]),
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semver.coerce(allModuleTargets[browserName])
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)
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})
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}
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// get browserslist targets in current working directory
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const projectTargets = getTargets()
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const projectModuleTargets = getModuleTargets(projectTargets)
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const allProjectTargetsSupportModule = doAllTargetsSupportModule(projectTargets)
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module.exports = {
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getTargets,
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getModuleTargets,
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getIntersectionTargets,
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doAllTargetsSupportModule,
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projectTargets,
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projectModuleTargets,
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allProjectTargetsSupportModule
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}
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