shrinkwrap-to-lockfile's Introduction

NPM Shrinkwrap to Yarn lockfile

Migrate your npm-shrinkwrap.json to a yarn lockfile without a headache!

The migration consists of three steps:

extract the dependency versions from the npm-shrinkwrap.json;
save and lock down these versions in the package.json (by removing the version leniency, i.e. ~ and ^);
generate a new yarn.lock file from the updated package.json.

Installation

yarn global add shrinkwrap-to-lockfile

How to use

shrinkwrap-to-lockfile [npm-shrinkwrap-file] [package-file]

That's it!

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shrinkwrap-to-lockfile's Issues

TypeError: version.match is not a function

After executing shrinkwrap-to-lockfile npm-shrinkwrap.json package.json in my project folder, I got this error message:

\AppData\Roaming\npm\node_modules\shrinkwrap-to-lockfile\index.js:23
    result[name] = _.head(version.match(/(\d+\.\d+\.\d+(?:-.+)?)/));
                                  ^

TypeError: version.match is not a function
    at _.reduce (\AppData\Roaming\npm\node_modules\shrinkwrap-to-lockfile\index.js:23:35)
    at \AppData\Roaming\npm\node_modules\shrinkwrap-to-lockfile\node_modules\lodash\lodash.js:906:11
    at \AppData\Roaming\npm\node_modules\shrinkwrap-to-lockfile\node_modules\lodash\lodash.js:4917:15
    at baseForOwn (\AppData\Roaming\npm\node_modules\shrinkwrap-to-lockfile\node_modules\lodash\lodash.js:3002:24)
    at \AppData\Roaming\npm\node_modules\shrinkwrap-to-lockfile\node_modules\lodash\lodash.js:4886:18
    at baseReduce (\AppData\Roaming\npm\node_modules\shrinkwrap-to-lockfile\node_modules\lodash\lodash.js:903:5)
    at Function.reduce (\AppData\Roaming\npm\node_modules\shrinkwrap-to-lockfile\node_modules\lodash\lodash.js:9673:14)
    at getDependencyVersions (\AppData\Roaming\npm\node_modules\shrinkwrap-to-lockfile\index.js:21:12)
    at updatePackageJson (\AppData\Roaming\npm\node_modules\shrinkwrap-to-lockfile\index.js:45:30)
    at shrinkwrapToLockfile (\AppData\Roaming\npm\node_modules\shrinkwrap-to-lockfile\index.js:65:3)