v2.md

Migrating to v2.0.0

This guide is intended to walk you though the breaking changes in the ember-template-lint v2.0.0 major release (February 2020).

Node 10+ now required

Support has been dropped for Node 6, 8, 11.

Recommended configuration changes

Rules have been added to and removed from the recommended configuration.

Rule additions

• link-href-attributes
• no-abstract-roles
• no-args-paths
• no-extra-mut-helper-argument
• no-index-component-invocation
• no-invalid-link-text
• no-invalid-meta
• no-invalid-role
• no-negated-condition
• no-obsolete-elements
• no-positive-tabindex
• no-unnecessary-component-helper
• require-button-type
• require-iframe-title
• require-valid-alt-text

Rule removals

Stylistic rules have been moved to a new stylistic configuration. You can enable this new configuration to maintain the previous behavior, or alternatively adopt ember-template-lint-plugin-prettier.

• block-indentation
• linebreak-style
• no-unnecessary-concat
• quotes
• self-closing-void-elements

Changes to rule options

• block-indentation now reads from .editorconfig
• linebreak-style now reads from .editorconfig
• link-rel-noopener now defaults to strict
• no-inline-styles now defaults to allowDynamicStyles
• no-nested-interactive has had its deprecated array configuration format removed

Deprecation removals

Rule deletions

The following rules have been deleted:

• img-alt-attributes (replaced by require-valid-alt-text)
• no-meta-redirect-with-time-limit (replaced by no-invalid-meta)
• no-trailing-dot-in-path-expression

Other removals

• HTML comment configuration (<!-- template-lint no-bare-strings=false -->) has been removed #844
• The templateEnvironmentData internal rule property has been removed #1067
• Support for using most old rule names has been removed #1069