Mrm Core Versions Save

• Fixed: Should not fail when reading empty JSON files

• Fixed: Support Node 4

Breaking changes

lines.append → lines.add

Append implies adding to the end, add don’t suggest any order. If item is already in the middle of the list, it will stay in the middle.

New methods

• json.unset(values: String|String[]) — remove value(s) by given address
• yaml.unset(values: String|String[]) — remove value(s) by given address
• lines.remove(values: String|String[]) — remove given line(s) from a file

Bug fixes

• Strip comments from JSON

• Fixed: (json|yaml).merge() should merge arrays of objects without duplicates

• Fixed: (json|yaml).merge() should merge arrays without duplicates

New features

File system helpers:

const { copyFiles, makeDirs } = require('mrm-core')
copyFiles('source dir', 'file name') // Copy file
copyFiles('source dir', ['file name 1', 'file name 2']) // Copy files
copyFiles('source dir', 'file name', { overwrite: false }) // Do not overwrite
makeDirs('dir name') // Create folder
makeDirs(['dir name 1', 'dir name 2']) // Create folders

• Fixed: install() should not run Yarn when there are no new packages

• Fixed: install() should not throw when package.json has no dependencies section

New features

• exists() method in all formats

Bug fixes

• Align lines.append() and install() APIs: both should accept a string or an array
• install() should not install already installed packages
• lines.append() should not reorder file when adding a line that already exists