create-bfe-cttq/packages/cli/util/mergeDeps.js

CTTQ大前端脚手架项目

const { red, green, bold } = require("kolorist");
const semver = require("semver")
const tryGetNewerRange = require('./tryGetNewerRange')

const extractSemver = r => r.replace(/^.+#semver:/, '')
const injectSemver = (r, v) => semver.validRange(r) ? v : r.replace(/#semver:.+$/, `#semver:${v}`)

const isValidRange = range => {
    if (typeof range !== 'string') {
        return false
    }

    const isValidSemver = !!semver.validRange(range)
    const isValidGitHub = range.match(/^[^/]+\/[^/]+/) != null
    const isValidURI =
        range.match(
        /^(?:file|git|npm|git\+ssh|git\+http|git\+https|git\+file|https?):/
        ) != null

    return isValidSemver || isValidGitHub || isValidURI
}

module.exports = function mergeDeps(generatorId, sourceDeps, depsToInject, conflictDepSources,
    {
        prune,
        warnIncompatibleVersions,
        forceOverwrite
    }
) {
    const result = Object.assign({}, sourceDeps)

    for (const depName in depsToInject) {
        const sourceRange = sourceDeps[depName]
        const injectingRange = depsToInject[depName]

        if (sourceRange === injectingRange) continue

        if (prune && injectingRange == null) {
            delete result[depName]
            continue
        }

        if (!isValidRange(injectingRange)) {
            console.warn(
                `无效的版本依赖 "${depName}":\n\n` +
                `- 通过 "${name}" 生成的版本信息 ${injectingRange} 无效`
            )
            continue
        }

        const sourceGeneratorId = conflictDepSources[depName]
        if (!sourceRange) {
            result[depName] = injectingRange
            conflictDepSources[depName] = generatorId
        } else {
            const sourceRangeSemver = extractSemver(sourceRange)
            const injectingRangeSemver = extractSemver(injectingRange)
            const r = tryGetNewerRange(sourceRangeSemver, injectingRangeSemver)
            const didGetNewer = !!r

            if (forceOverwrite) {
                result[depName] = injectingRange
            } else if (didGetNewer) {
                result[depName] = injectSemver(injectingRange, r)
            } else {
                result[depName] = sourceRange
            }
            if (result[depName] === injectingRange) {
                conflictDepSources[depName] = generatorId
            }
            if (
                warnIncompatibleVersions &&
                (!semver.validRange(sourceRangeSemver) ||
                !semver.validRange(injectingRangeSemver) ||
                !semver.intersects(sourceRangeSemver, injectingRangeSemver))
            ) {
                console.warn(
                `存在冲突的依赖 "${depName}":\n\n` +
                    `- ${sourceRange} 通过插件 "${bold(sourceGeneratorId)}" 生成\n` +
                    `- ${injectingRange} 通过插件 "${bold(generatorId)} 生成"\n\n` +
                    `使用${(!forceOverwrite && didGetNewer) ? `更新的` : ``}版本：(${
                    result[depName]
                    }), 但是可能存在问题。`
                )
            }
        }
    }
    return result
}