💥 Breaking Changes

• #1209 Change supported version of ESLint from 6.0.0 to 6.2.0.
• Updated presets configs.
  • #1209 Change presets configs parserOptions.ecmaVersion to 2020.
  • Changed plugin:vue/vue3-essential config
    • #1253 Added vue/valid-v-is rule.
  • Changed plugin:vue/vue3-strongly-recommended config
    • Same changes as above.
    • #1251 Added vue/require-explicit-emits rule.
  • Changed plugin:vue/vue3-recommended config
    • Same changes as above.

✨ Enhancements

New Rules:

• #1253 Added vue/valid-v-is rule that reports wrong usage of v-is directives.

Other changes in Rules:

• #1209 Supports Optional Chaining (ES2020)
• #1254 Changed the vue/attributes-order rule to handle v-is as DEFINITION category.
• #1254 Changed the vue/no-unregistered-components rule to handle v-is like :is.
• #1254 Changed the vue/no-unused-components rule to handle v-is like :is.
• #1254 Added "v-is" to the syntax checked by the vue/no-unsupported-features rule.

🐛 Bug Fixes

• #1255 Fixed false positives for watch handler methods in vue/no-unused-properties rule.

All commits: v7.0.0-alpha.10 -> v7.0.0-beta.0

💥 Breaking Changes

• Updated presets configs.
  • Changed plugin:vue/vue3-essential config
    • #1239 Added vue/no-dupe-v-else-if rule.
  • Changed plugin:vue/vue3-strongly-recommended config
    • Same changes as above.
  • Changed plugin:vue/vue3-recommended config
    • Same changes as above.
    • #1238 Added vue/no-lone-template rule.
  • Changed plugin:vue/essential config
    • #1239 Added vue/no-dupe-v-else-if rule.
  • Changed plugin:vue/strongly-recommended config
    • Same changes as above.
  • Changed plugin:vue/recommended config
    • Same changes as above.
    • #1238 Added vue/no-lone-template rule.
  • #1237 Removed jsx:true from shareable configs.

✨ Enhancements

New Rules:

• #1238 Added vue/no-lone-template rule that disallow unnecessary <template> element.
• #1239 Added vue/no-dupe-v-else-if rule that disallow duplicate conditions in v-if / v-else-if chains.
• #1243 Added vue/no-sparse-arrays rule that applies no-sparse-arrays rule to expressions in <template>.

Other changes in Rules:

• #1225 Changed vue/no-ref-as-operand to also check ref of @vue/composition-api.

🐛 Bug Fixes

• #1242 Fixed vue/no-unused-properties, vue/require-valid-default-prop, vue/require-default-prop and vue/no-multiple-objects-in-class rules crash on sparse arrays.

⚙️ Updates

• #1237 Removed jsx:true from shareable configs.

All commits: v7.0.0-alpha.9 -> v7.0.0-alpha.10

🐛 Bug Fixes

• #1232 Fixed crash when using vue/no-empty-component-block and vue/padding-line-between-blocks rules in .js file

All commits: v7.0.0-alpha.8 -> v7.0.0-alpha.9

🐛 Bug Fixes

• #1226 #1227 Fixed crash in the vue/no-side-effects-in-computed-properties, vue/no-async-in-computed-properties, vue/no-setup-props-destructure and vue/no-watch-after-await rules.

All commits: v7.0.0-alpha.7 -> v7.0.0-alpha.8

💥 Breaking Changes

• Updated presets configs.
  • Changed plugin:vue/vue3-essential config
    • #1211 Added vue/no-deprecated-destroyed-lifecycle rule.
  • Changed plugin:vue/vue3-strongly-recommended config
    • Same changes as above.
  • Changed plugin:vue/vue3-recommended config
    • Same changes as above.
• #1107 Changed the default order option for vue/order-in-components rule. Add Nuxt and Vue Router properties.
  • Add options for Vue Router
    • ROUTER_GUARDS (beforeRouteEnter, beforeRouteUpdate and beforeRouteLeave) to after ["provide", "inject"].
  • Add options for Nuxt
    • key to after name.
    • layout, middleware, validate, scrollToTop, transition, loading to after ROUTER_GUARDS (ROUTER_GUARDS was added after ["provide", "inject"]).
    • watchQuery to after watch.
  • Change options for Nuxt
    • head move from after methods to after data .
• #1214 Change the option name in the vue/no-bare-strings-in-template rule.

✨ Enhancements

New Rules:

• #1211 Added vue/no-deprecated-destroyed-lifecycle rule reports use of deprecated destroyed and beforeDestroy lifecycle hooks.
• #1213 Added vue/no-restricted-component-options rule that disallow specific component options.
• #1218 Added vue/no-multiple-objects-in-class rule disallows to pass multiple objects into array to class.
• #1222 Added vue/no-empty-component-block rule disallows the <template> <script> <style> block to be empty.

Other changes in Rules:

• #1204 Added ignoreIncludesComment option to vue/v-on-function-call rule.
• #1017 Added supports for ES2020 syntaxes to vue/html-indent and vue/script-indent rules.
• #1212 Added "v-model-argument" and "v-model-custom-modifiers" to the syntax checked by the vue/no-unsupported-features rule.

🐛 Bug Fixes

• #1204 Fixed wrong autofix in vue/v-on-function-call rule.
• #1208 Fixed false negatives for TemplateLiteral in vue/prop-name-casing rule.
• #1206 Fixed crash when is attribute with no value in vue/no-unused-components rule.

⚙️ Chores

• #1206 Added JSDoc type checking with TypeScript, and refactoring.

All commits: v7.0.0-alpha.6 -> v7.0.0-alpha.7

💥 Breaking Changes

• Updated presets configs.
  • Changed plugin:vue/vue3-essential config
    • #1177 Added vue/no-deprecated-dollar-scopedslots-api rule.
    • #1178 Added vue/require-slots-as-functions rule.
  • Changed plugin:vue/vue3-strongly-recommended config
    • Same changes as above.
  • Changed plugin:vue/vue3-recommended config
    • Same changes as above.
    • #1179 Added vue/no-multiple-slot-args rule.
  • Changed plugin:vue/recommended config
    • #1179 Added vue/no-multiple-slot-args rule.
• #1189 Changed the default order option for vue/component-tags-order rule.
• #1181 Changed the default order option for vue/order-in-components rule.
  • Add options for Vue.js 3.x
    • emits to after props.
    • setup to after emits.
    • beforeUnmount and unmounted to LIFECYCLE_HOOKS.
    • renderTracked and renderTriggered to LIFECYCLE_HOOKS.
  • Add options for Vue.js 2.x
    • provide and inject to after mixins.
    • errorCaptured to LIFECYCLE_HOOKS.

✨ Enhancements

New Rules:

• #1177 Added vue/no-deprecated-dollar-scopedslots-api rule that reports use of deprecated $scopedSlots. RFC0006
• #1178 Added vue/require-slots-as-functions rule enforces the properties of $slots to be used as a function. RFC0006
• #1179 Added vue/no-multiple-slot-args rule disallows to pass multiple arguments to scoped slots.
• #1185 Added vue/no-bare-strings-in-template rule that disallows the use of bare strings in <template>.
• #1186 Added vue/no-useless-v-bind rule that reports v-bind with a string literal value.
• #1187 Added vue/no-useless-mustaches rule that reports mustache interpolation with a string literal value.
• #1191 Added vue/no-restricted-v-bind rule that disallow specific argument in v-bind.
• #1192 Added vue/no-restricted-static-attribute rule that disallow specific attribute.
• #1193 Added vue/object-property-newline rule that applies object-property-newline rule to expressions in <template>.
• #1194 Added vue/object-curly-newline rule that applies object-curly-newline rule to expressions in <template>.
• #1200 Added vue/operator-linebreak rule that applies operator-linebreak rule to expressions in <template>.
• #1201 Added vue/func-call-spacing rule that applies func-call-spacing rule to expressions in <template>.

Other changes in Rules:

• #1180 Changed vue/no-ref-as-operand rule to additionally track variables generated by computed, toRef, customRef and shallowRef.
• #1180 Changed vue/no-ref-as-operand rule to report incorrect use of TemplateLiteral and MemberExpression.
• #1183 Improved autofix of vue/order-in-components rule to understand "Nullish Coalescing".
• #1184 Changed to not report that a value is required when parsing error for vue/valid-v-bind-sync, vue/valid-v-bind, vue/valid-v-else-if, vue/valid-v-for, vue/valid-v-html, vue/valid-v-if, vue/valid-v-model, vue/valid-v-on, vue/valid-v-show, vue/valid-v-slot and vue/valid-v-text rules.
• #1189 Changed vue/component-tags-order rule to allow name array to be specified with one order option.

🐛 Bug Fixes

• #1190 Fixed false positives for getter/setter in vue/no-dupe-keys rule.
• #1198 Fixed false positives for render props and template refs in vue/no-unused-properties rule.
• #1199 Fixed false positives for Vue 3 functional component in vue/require-direct-export rule.

All commits: v7.0.0-alpha.5 -> v7.0.0-alpha.6

💥 Breaking Changes

• Updated presets configs.
  • Changed plugin:vue/essential config and plugin:vue/vue3-essential config
    • #1166 Added vue/custom-event-name-casing rule
  • Changed plugin:vue/strongly-recommended config and plugin:vue/vue3-strongly-recommended config
    • Same changes as above.
  • Changed plugin:vue/recommended config and plugin:vue/vue3-recommended config
    • Same changes as above.

✨ Enhancements

Core:

• #1167 Added reportUnusedDisableDirectives option to vue/comment-directive.

New Rules:

• #1166 Added vue/custom-event-name-casing rule that enforces using kebab-case custom event names.
• #1171 Added vue/no-useless-concat rule that applies no-useless-concat rule to expressions in <template>.
• #1173 Added vue/dot-notation rule that applies dot-notation rule to expressions in <template>.

Other changes in Rules:

• #1162 Added closeBracket.startTag, closeBracket.endTag and closeBracket.selfClosingTag options to vue/html-indent rule.
  So that the closeBracket offset value can be set for each tag type.
• #1162 Changed vue/html-indent rule to calculate the base point of the indent offset of the closing bracket of the end tag by the start tag.

🐛 Bug Fixes

• #1163 Fixed false negatives when using ignorePattern for vue/no-unused-var rule.
• #1164 Fixed false negatives when v-for and v-slot mixed or use destructuring for vue/no-unused-var rule.
• #1169 Fixed false positives for watch with properties in vue/no-unused-properties rule.
• #1170 Fixed an error for v-slot in vue/comma-style rule.

All commits: v7.0.0-alpha.4 -> v7.0.0-alpha.5

💥 Breaking Changes

• Updated presets configs.
  • Changed plugin:vue/essential config and plugin:vue/vue3-essential config
    • #1148 Added vue/no-mutating-props rule
    • #1156 Added vue/no-arrow-functions-in-watch rule.
  • Changed plugin:vue/strongly-recommended config and plugin:vue/vue3-strongly-recommended config
    • Same changes as above.
    • #1149 Added vue/one-component-per-file rule
  • Changed plugin:vue/recommended config and plugin:vue/vue3-recommended config
    • Same changes as above.

✨ Enhancements

Core:

• #1152 Changed casing conversion logic to behave like Vue core logic.

New Rules:

• #627 #1144 Added vue/no-duplicate-attr-inheritance rule that warn to apply inheritAttrs: false when it detects v-bind="$attrs" being used.
• #871 #1145 Added vue/no-unused-properties rule that report unused properties.
• #633 #1148 Added vue/no-mutating-props rule that reports mutation of component props.
• #1140 Added vue/comma-spacing rule that applies comma-spacing rule to expressions in <template>.
• #1141 Added vue/prefer-template rule that applies prefer-template rule to expressions in <template>.
• #1142 Added vue/template-curly-spacing rule that applies template-curly-spacing rule to expressions in <template>.
• #671 Added vue/one-component-per-file rule that checks if there is only one component per file.
• #1072 Added vue/no-potential-property-typo rule that disallow a potential typo in your component options.
• #1155 Added vue/no-arrow-functions-in-watch rule that disallow use an arrow function to define a watcher.
• #1157 Added vue/space-in-parens rule that applies space-in-parens rule to expressions in <template>.
• #1159 Added vue/comma-style rule that applies comma-style rule to expressions in <template>.
• #1158 Added vue/no-extra-parens rule that applies no-extra-parens rule to expressions in <template>.

Other changes in Rules:

• #1143 Changed vue/no-deprecated-dollar-listeners-api and vue/no-deprecated-events-api rules to track the this variable.
• #1154 Changed vue/no-side-effects-in-computed-properties rule to track the this variable.
• #1160 Changed vue/require-valid-default-prop rule to track the return statement in the function defined in default.
• #1160 Changed vue/require-valid-default-prop rule to check BigInt.
• #1160 Improved the location of reporting errors in vue/require-valid-default-prop rule.

🐛 Bug Fixes

• #1139 Fixed false positives for target instance is given, in vue/no-lifecycle-after-await rule.
• #1138 Fixed false positives for arrow function in vue/return-in-emits-validatorrule.
• #1146 Fixed false positives for member call and autofix error in vue/v-on-function-call rule.
• #1152 Fixed some casing issues.
• #1154 #1283 Fixed false positives for spread elements in vue/no-side-effects-in-computed rule.

All commits: v7.0.0-alpha.3 -> v7.0.0-alpha.4

💥 Breaking Changes

• Updated presets configs.
  • Changed plugin:vue/vue3-essential config.
  • Changed plugin:vue/vue3-strongly-recommended config.
  • Changed plugin:vue/vue3-recommended config.
    • #1129 Added vue/return-in-emits-validator rule.
    • #1130 Added vue/no-deprecated-v-on-native-modifier rule.
    • #1133 Added vue/no-deprecated-dollar-listeners-api rule.
• #1120 Added the support of descriptions in directive comments.
• #1120 Added the support for block-level directive comments.

✨ Enhancements

Core:

• #1120 Added the support of descriptions in directive HTML comments.
• #1120 Added the support for block-level directive HTML comments.

New Rules:

• #1114 Added vue/no-unregistered-components rule that disallow using components that are not registered inside templates.
• #1124 Added vue/require-explicit-emits rule that reports event triggers not declared with the emits option. RFC0030
• #1129 Added vue/return-in-emits-validator rule enforces that a return statement is present in emits validators. RFC0030
• #1130 Added vue/no-deprecated-v-on-native-modifier rule that reports use of deprecated .native modifier on v-on directive. RFC0031
• #1133 Added vue/no-deprecated-dollar-listeners-api rule that reports use of deprecated $listeners. RFC0031
• #755 Added vue/html-comment-indent rule that enforce consistent indentation in HTML comments.
• #755 Added vue/html-comment-content-newline rule that enforce unified line brake in HTML comments.
• #755 Added vue/html-comment-content-spacing rule that enforce unified spacing in HTML comments.

🐛 Bug Fixes

• #1125 Fixed wrong autofix in vue/no-deprecated-v-on-number-modifiers rule.

All commits: v7.0.0-alpha.2 -> v7.0.0-alpha.3

💥 Breaking Changes

• Updated presets configs.
  • Changed plugin:vue/vue3-essential config.
  • Changed plugin:vue/vue3-strongly-recommended config.
  • Changed plugin:vue/vue3-recommended config.
    • #1117 Added vue/no-deprecated-html-element-is rule.
    • #1118 Added vue/no-deprecated-vue-config-keycodes rule.
    • #1119 Added vue/no-deprecated-functional-template rule.
• #1105 Renamed vue/require-v-if-inside-transition rule to vue/require-toggle-inside-transition.

✨ Enhancements

Core:

• #1077 Supports ESLint v7.x.

New Rules:

• #1117 Added vue/no-deprecated-html-element-is rule that reports deprecated the is attribute on HTML elements (removed in Vue.js v3.0.0+). RFC0027
• #1118 Added vue/no-deprecated-vue-config-keycodes rule that reports use of deprecated Vue.config.keyCodes (removed in Vue.js 3.0.0+). RFC0014
• #1119 Added vue/no-deprecated-functional-template rule that reports deprecated the functional template (removed in Vue.js 3.0.0+). RFC0007

Other changes in Rules:

• #1105 Renamed vue/require-v-if-inside-transition rule to vue/require-toggle-inside-transition.
• #1116 Added disallowVueBuiltInComponents and disallowVue3BuiltInComponents option that reports Vue built-in component names to the vue/no-reserved-component-names rule.

All commits: v7.0.0-alpha.1 -> v7.0.0-alpha.2