fix(core): use correct parent for v-if toggle

feat(core): support recursively resolving self component by name

feat(vue): handle template querySelector

chore: typo (#488) [ci skip]

feat(compiler-sfc): transform asset url (#500)

chore: default transition css prop to true

feat(transition): add runtime props validation for TransitionGroup

feat(transition): properly handle transition & transition-group in compiler

feat(compiler-core): options.isBuiltInComponent

fix(compiler-core): handle base-transition

types: fix class module transition class typing

feat(transition): TransitionGroup

chore: todos

feat(compiler-sfc): gen source map for style and script block (#497)

chore: update readme for runtime-test

test(transition): test usage with KeepAlive

style(compiler): changed object-assign to spread (#507)

style(runtime-core): remove a unnecessary continue (#505)

chore: comment typo (#506)

test(transition): in-out, appear & persisted

test(transition): test for mode: out-in

test: wip more tests for BaseTransition

fix(runtime-core): fix error when passed plugin is undefined (#502)

build(deps-dev): bump lint-staged from 9.4.3 to 9.5.0

Bumps [lint-staged](https://github.com/okonet/lint-staged) from 9.4.3 to 9.5.0.
- [Release notes](https://github.com/okonet/lint-staged/releases)
- [Commits](https://github.com/okonet/lint-staged/compare/v9.4.3...v9.5.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

fix(runtime-core): renderList with default value when source is undefined (#498)

test: wip tests for BaseTransition

test: improve events module test stability

feat(core): respect $stable slots flag per RFC

perf(compiler-core): set simple expression outside map (#485)

chore: fix warn typo (#496)

chore: fix comment typo (#499)

* chore(typo): fix comment typo

* chore(typo): fix comment typo of KeepAlive

feat(transition): compat with keep-alive

test: fix resolveDyanmicComponent test

fix: resolveDynamicComponent should use context instance

feat(transition): warn non-animatable component root node

build(deps-dev): bump ts-jest from 24.1.0 to 24.2.0

Bumps [ts-jest](https://github.com/kulshekhar/ts-jest) from 24.1.0 to 24.2.0.
- [Release notes](https://github.com/kulshekhar/ts-jest/releases)
- [Changelog](https://github.com/kulshekhar/ts-jest/blob/master/CHANGELOG.md)
- [Commits](https://github.com/kulshekhar/ts-jest/compare/v24.1.0...v24.2.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

build(deps-dev): bump @microsoft/api-extractor from 7.6.1 to 7.6.2

Bumps [@microsoft/api-extractor](https://github.com/microsoft/rushstack) from 7.6.1 to 7.6.2.
- [Release notes](https://github.com/microsoft/rushstack/releases)
- [Commits](https://github.com/microsoft/rushstack/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

build(deps-dev): bump rollup from 1.27.4 to 1.27.5

Bumps [rollup](https://github.com/rollup/rollup) from 1.27.4 to 1.27.5.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v1.27.4...v1.27.5)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

chore(compiler-dom): changed function to arrow function (#487)

chore: update readme

feat(core): support v-show directive (#310)

feat(transition): support in templates

refactor: rename transition components

refactor: adjust warning for fn props and component with many props

build(deps-dev): bump lerna from 3.18.5 to 3.19.0

Bumps [lerna](https://github.com/lerna/lerna/tree/HEAD/core/lerna) from 3.18.5 to 3.19.0.
- [Release notes](https://github.com/lerna/lerna/releases)
- [Changelog](https://github.com/lerna/lerna/blob/master/core/lerna/CHANGELOG.md)
- [Commits](https://github.com/lerna/lerna/commits/v3.19.0/core/lerna)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

refactor(transition):  avoid repeated code (#483)

build(deps): bump postcss from 7.0.21 to 7.0.23 (#470)

Bumps [postcss](https://github.com/postcss/postcss) from 7.0.21 to 7.0.23.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/master/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/7.0.21...7.0.23)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

build(deps): [security] bump https-proxy-agent from 2.2.1 to 2.2.4 (#469)

Bumps [https-proxy-agent](https://github.com/TooTallNate/node-https-proxy-agent) from 2.2.1 to 2.2.4. **This update includes security fixes.**
- [Release notes](https://github.com/TooTallNate/node-https-proxy-agent/releases)
- [Commits](https://github.com/TooTallNate/node-https-proxy-agent/compare/2.2.1...2.2.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

fix(transition): handle errors in CSSTransition onEnter & onLeave

refactor: tweaks

feat(transition): handle persisted mode

build(deps-dev): bump rollup from 1.27.2 to 1.27.4

Bumps [rollup](https://github.com/rollup/rollup) from 1.27.2 to 1.27.4.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v1.27.2...v1.27.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

types: fix dts

feat(transition): handle cancel hooks

chore: remove unnecessary type annotations

feat(transition): handle transition classes when patching classes

feat(transition): CSS transition for runtime-dom

chore: remove unused parameter type definitions (#481)

types: fix Transition exported typing

feat(transition): support component child

feat(transition): base transition component

build(deps-dev): bump @microsoft/api-extractor from 7.6.0 to 7.6.1

Bumps [@microsoft/api-extractor](https://github.com/microsoft/rushstack) from 7.6.0 to 7.6.1.
- [Release notes](https://github.com/microsoft/rushstack/releases)
- [Commits](https://github.com/microsoft/rushstack/compare/@microsoft/api-extractor_v7.6.0...@microsoft/api-extractor_v7.6.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

build(deps-dev): bump lerna from 3.18.4 to 3.18.5

Bumps [lerna](https://github.com/lerna/lerna/tree/HEAD/core/lerna) from 3.18.4 to 3.18.5.
- [Release notes](https://github.com/lerna/lerna/releases)
- [Changelog](https://github.com/lerna/lerna/blob/master/core/lerna/CHANGELOG.md)
- [Commits](https://github.com/lerna/lerna/commits/v3.18.5/core/lerna)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

build: mark maxCRNameLength computation as pure

fix(compiler-sfc): should ignore nodes with no children (#464)

build(deps-dev): use rollup plugins from the new official repo (#468)

build(deps-dev): bump rollup from 1.27.0 to 1.27.2

Bumps [rollup](https://github.com/rollup/rollup) from 1.27.0 to 1.27.2.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v1.27.0...v1.27.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

feat(compiler-sfc): add cache for parsing sfc (#453)

test: update snapshots

fix(compiler): include createTextVNode helper for hoisted static content (fix #465)

test(runtime-core): add tests for scheduler (#462)

perf(compiler): pre-compute maxCRNameLength for perf

perf(compiler-core): add perf optimization to parseText (#458)

perf(compiler): should only perform assertions during tests

Compiler assertions are made to ensure implementation correctness,
but they have performance costs that should not affect users
during development.

perf(compiler): minor perf tweaks

perf(compiler): improve perf of parseTextData

perf(compiler-dom): generate modifiers in a function (#459)

build(deps-dev): bump @microsoft/api-extractor from 7.5.6 to 7.6.0

Bumps [@microsoft/api-extractor](https://github.com/microsoft/rushstack) from 7.5.6 to 7.6.0.
- [Release notes](https://github.com/microsoft/rushstack/releases)
- [Commits](https://github.com/microsoft/rushstack/compare/@microsoft/api-extractor_v7.5.6...@microsoft/api-extractor_v7.6.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

fix(scheduler): warn recursive updates in postFlushCbs as well (#456)

fix: handle empty lines in codeframe

feat(compiler-sfc): warn duplicate block (#451)

refactor(runtime-dom): avoid unnecessary checks in patchDOMProp (#452)

chore:  remove useless code (#447)

build(deps-dev): bump lint-staged from 9.4.2 to 9.4.3

Bumps [lint-staged](https://github.com/okonet/lint-staged) from 9.4.2 to 9.4.3.
- [Release notes](https://github.com/okonet/lint-staged/releases)
- [Commits](https://github.com/okonet/lint-staged/compare/v9.4.2...v9.4.3)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

build(deps-dev): bump rollup from 1.26.5 to 1.27.0

Bumps [rollup](https://github.com/rollup/rollup) from 1.26.5 to 1.27.0.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v1.26.5...v1.27.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

build(deps-dev): bump @types/jest from 24.0.22 to 24.0.23

Bumps [@types/jest](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/jest) from 24.0.22 to 24.0.23.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/jest)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

feat(vModel): handle true-value and false-value for checkbox (#449)

build(deps-dev): bump @microsoft/api-extractor from 7.5.5 to 7.5.6

Bumps [@microsoft/api-extractor](https://github.com/microsoft/rushstack) from 7.5.5 to 7.5.6.
- [Release notes](https://github.com/microsoft/rushstack/releases)
- [Commits](https://github.com/microsoft/rushstack/compare/@microsoft/api-extractor_v7.5.5...@microsoft/api-extractor_v7.5.6)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

build(deps-dev): bump rollup from 1.26.3 to 1.26.5

Bumps [rollup](https://github.com/rollup/rollup) from 1.26.3 to 1.26.5.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v1.26.3...v1.26.5)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

types: ensure props are readonly

test(types): assert props are readonly

chore: fix typo (#439)

build: include compiler-sfc in aliases and tsconfig paths (#435)

feat(runtime-dom/style): support CSS variables and auto prefixing

feat(runtime-dom): support !important for patchStyle. (#422)

chore:  improve type (#438)

feat(v-on): adjust key modifier behavior to match 2.x

types(reactivity): ref type should not expose _isRef

types(reactivity): add support for tuples in ref unwrapping (#436)

refactor: use isArray function from shared (#441)