merge rrweb #903 performance improvements

.eslintrc.js

@@ -0,0 +1,23 @@
+module.exports = {
+  env: {
+    browser: true,
+    es2021: true,
+    node: true,
+  },
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/recommended',
+    'plugin:@typescript-eslint/recommended-requiring-type-checking',
+  ],
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    ecmaVersion: 'latest',
+    sourceType: 'module',
+    tsconfigRootDir: __dirname,
+    project: ['./tsconfig.eslint.json', './packages/*/tsconfig.json'],
+  },
+  plugins: ['@typescript-eslint', 'eslint-plugin-tsdoc'],
+  rules: {
+    'tsdoc/syntax': 'warn',
+  },
+};

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,45 @@
+name: Bug Report
+description: Report an rrweb bug
+title: '[Bug]: '
+labels:
+  - 'bug'
+body:
+  - type: checkboxes
+    attributes:
+      label: Preflight Checklist
+      description: Please ensure you've completed all of the following.
+      options:
+        - label: I have searched the [issue tracker](https://www.github.com/rrweb-io/rrweb/issues) for a bug report that matches the one I want to file, without success.
+          required: true
+  - type: dropdown
+    attributes:
+      label: What package is this bug report for?
+      options:
+        - rrweb
+        - rrweb-snapshot
+        - rrdom
+        - rrweb-player
+        - Other (specify below)
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Expected Behavior
+      description: A clear and concise description of what you expected to happen.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Actual Behavior
+      description: A clear description of what actually happens.
+    validations:
+      required: true
+  - type: input
+    attributes:
+      label: Testcase Gist URL
+      description: If you can reproduce the issue in a standalone test case, please save your recording events.json to a [GitHub gist](https://gist.github.com), paste that gist link into [rrwebdebug.com](https://rrwebdebug.com) and put the rrwebdebug.com URL here. This is **the best way** to ensure this issue is triaged quickly.
+      placeholder: https://rrwebdebug.com/...
+  - type: textarea
+    attributes:
+      label: Additional Information
+      description: If your problem needs further explanation, or if the issue you're seeing cannot be reproduced in a gist, please add more information here.

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,48 @@
+name: Feature Request
+description: Suggest an idea for rrweb
+title: '[Feature Request]: '
+labels:
+  - 'feature request'
+body:
+  - type: checkboxes
+    attributes:
+      label: Preflight Checklist
+      description: Please ensure you've completed all of the following.
+      options:
+        - label: I have searched the [issue tracker](https://www.github.com/rrweb-io/rrweb/issues) for a feature request that matches the one I want to file, without success.
+          required: true
+  - type: dropdown
+    attributes:
+      label: What package is this feature request for?
+      options:
+        - rrweb
+        - rrweb-snapshot
+        - rrdom
+        - rrweb-player
+        - Other (specify below)
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Problem Description
+      description: Please add a clear and concise description of the problem you are seeking to solve with this feature request.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Proposed Solution
+      description: Describe the solution you'd like in a clear and concise manner.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Alternatives Considered
+      description: A clear and concise description of any alternative solutions or features you've considered.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Additional Information
+      description: Add any other context about the problem here.
+    validations:
+      required: false

.github/config.yml

@@ -0,0 +1,19 @@
+# Comment to be posted to on PRs from first time contributors in your repository
+newPRWelcomeComment: |
+  💖 Thanks for opening this pull request! 💖
+
+  Things that will help get your PR across the finish line:
+
+  - Follow the TypeScript [coding style](https://github.com/rrweb-io/rrweb/blob/master/docs/development/coding-style.md).
+  - Run `yarn lint` locally to catch formatting errors earlier.
+  - Document any user-facing changes you've made following the [documentation styleguide](https://github.com/rrweb-io/rrweb/blob/master/blob/main/docs/styleguide.md).
+  - Include tests when adding/changing behavior.
+  - Include screenshots and animated GIFs whenever possible.
+
+  We get a lot of pull requests on this repo, so please be patient and we will get back to you as soon as we can.
+
+# Configuration for first-pr-merge - https://github.com/behaviorbot/first-pr-merge
+
+# Comment to be posted to on pull requests merged by a first time user
+firstPRMergeComment: >
+  Congrats on merging your first pull request! 🎉🎉🎉Hallo

.github/workflows/release.yml

@@ -15,10 +15,12 @@ jobs:
         run: yarn
       - name: Build all
         run: yarn build:all
+      - name: Test all
+        run: yarn test
       - name: Confirm new version
         run: python3 compare.py
       - name: Publish
         if: github.ref == 'refs/heads/master'
-        run: yarn lerna publish from-package --no-private
+        run: yarn lerna publish from-package
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

.markdownlint.yml

@@ -0,0 +1,239 @@
+# markdownlint YAML configuration with all properties set to their default value
+
+# Default state for all rules
+default: true
+
+# Path to configuration file to extend
+extends: null
+
+# MD001/heading-increment/header-increment - Heading levels should only increment by one level at a time
+MD001: true
+
+# MD002/first-heading-h1/first-header-h1 - First heading should be a top-level heading
+MD002:
+  # Heading level
+  level: 1
+
+# MD003/heading-style/header-style - Heading style
+MD003:
+  # Heading style
+  style: 'consistent'
+
+# MD004/ul-style - Unordered list style
+MD004:
+  # List style
+  style: 'consistent'
+
+# MD005/list-indent - Inconsistent indentation for list items at the same level
+MD005: true
+
+# MD006/ul-start-left - Consider starting bulleted lists at the beginning of the line
+MD006: true
+
+# MD007/ul-indent - Unordered list indentation
+MD007:
+  # Spaces for indent
+  indent: 2
+  # Whether to indent the first level of the list
+  start_indented: false
+  # Spaces for first level indent (when start_indented is set)
+  start_indent: 2
+
+# MD009/no-trailing-spaces - Trailing spaces
+MD009:
+  # Spaces for line break
+  br_spaces: 2
+  # Allow spaces for empty lines in list items
+  list_item_empty_lines: false
+  # Include unnecessary breaks
+  strict: false
+
+# MD010/no-hard-tabs - Hard tabs
+MD010:
+  # Include code blocks
+  code_blocks: true
+  # Number of spaces for each hard tab
+  spaces_per_tab: 1
+
+# MD011/no-reversed-links - Reversed link syntax
+MD011: true
+
+# MD012/no-multiple-blanks - Multiple consecutive blank lines
+MD012:
+  # Consecutive blank lines
+  maximum: 1
+
+# MD013/line-length - Line length
+MD013:
+  # Number of characters
+  line_length: 80
+  # Number of characters for headings
+  heading_line_length: 80
+  # Number of characters for code blocks
+  code_block_line_length: 80
+  # Include code blocks
+  code_blocks: true
+  # Include tables
+  tables: true
+  # Include headings
+  headings: true
+  # Include headings
+  headers: true
+  # Strict length checking
+  strict: false
+  # Stern length checking
+  stern: false
+
+# MD014/commands-show-output - Dollar signs used before commands without showing output
+MD014: true
+
+# MD018/no-missing-space-atx - No space after hash on atx style heading
+MD018: true
+
+# MD019/no-multiple-space-atx - Multiple spaces after hash on atx style heading
+MD019: true
+
+# MD020/no-missing-space-closed-atx - No space inside hashes on closed atx style heading
+MD020: true
+
+# MD021/no-multiple-space-closed-atx - Multiple spaces inside hashes on closed atx style heading
+MD021: true
+
+# MD022/blanks-around-headings/blanks-around-headers - Headings should be surrounded by blank lines
+MD022:
+  # Blank lines above heading
+  lines_above: 1
+  # Blank lines below heading
+  lines_below: 1
+
+# MD023/heading-start-left/header-start-left - Headings must start at the beginning of the line
+MD023: true
+
+# MD024/no-duplicate-heading/no-duplicate-header - Multiple headings with the same content
+MD024:
+  # Only check sibling headings
+  allow_different_nesting: false
+  # Only check sibling headings
+  siblings_only: false
+
+# MD025/single-title/single-h1 - Multiple top-level headings in the same document
+MD025:
+  # Heading level
+  level: 1
+  # RegExp for matching title in front matter
+  front_matter_title: "^\\s*title\\s*[:=]"
+
+# MD026/no-trailing-punctuation - Trailing punctuation in heading
+MD026:
+  # Punctuation characters
+  punctuation: '.,;:!。，；：！'
+
+# MD027/no-multiple-space-blockquote - Multiple spaces after blockquote symbol
+MD027: true
+
+# MD028/no-blanks-blockquote - Blank line inside blockquote
+MD028: true
+
+# MD029/ol-prefix - Ordered list item prefix
+MD029:
+  # List style
+  style: 'one_or_ordered'
+
+# MD030/list-marker-space - Spaces after list markers
+MD030:
+  # Spaces for single-line unordered list items
+  ul_single: 1
+  # Spaces for single-line ordered list items
+  ol_single: 1
+  # Spaces for multi-line unordered list items
+  ul_multi: 1
+  # Spaces for multi-line ordered list items
+  ol_multi: 1
+
+# MD031/blanks-around-fences - Fenced code blocks should be surrounded by blank lines
+MD031:
+  # Include list items
+  list_items: true
+
+# MD032/blanks-around-lists - Lists should be surrounded by blank lines
+MD032: true
+
+# MD033/no-inline-html - Inline HTML
+MD033:
+  # Allowed elements
+  allowed_elements: []
+
+# MD034/no-bare-urls - Bare URL used
+MD034: true
+
+# MD035/hr-style - Horizontal rule style
+MD035:
+  # Horizontal rule style
+  style: 'consistent'
+
+# MD036/no-emphasis-as-heading/no-emphasis-as-header - Emphasis used instead of a heading
+MD036:
+  # Punctuation characters
+  punctuation: '.,;:!?。，；：！？'
+
+# MD037/no-space-in-emphasis - Spaces inside emphasis markers
+MD037: true
+
+# MD038/no-space-in-code - Spaces inside code span elements
+MD038: true
+
+# MD039/no-space-in-links - Spaces inside link text
+MD039: true
+
+# MD040/fenced-code-language - Fenced code blocks should have a language specified
+MD040: true
+
+# MD041/first-line-heading/first-line-h1 - First line in a file should be a top-level heading
+MD041:
+  # Heading level
+  level: 1
+  # RegExp for matching title in front matter
+  front_matter_title: "^\\s*title\\s*[:=]"
+
+# MD042/no-empty-links - No empty links
+MD042: true
+
+# MD043/required-headings/required-headers - Required heading structure
+MD043:
+  # List of headings
+  headings: []
+  # List of headings
+  headers: []
+
+# MD044/proper-names - Proper names should have the correct capitalization
+MD044:
+  # List of proper names
+  names: []
+  # Include code blocks
+  code_blocks: true
+
+# MD045/no-alt-text - Images should have alternate text (alt text)
+MD045: true
+
+# MD046/code-block-style - Code block style
+MD046:
+  # Block style
+  style: 'consistent'
+
+# MD047/single-trailing-newline - Files should end with a single newline character
+MD047: true
+
+# MD048/code-fence-style - Code fence style
+MD048:
+  # Code fence style
+  style: 'consistent'
+
+# MD049/emphasis-style - Emphasis style should be consistent
+MD049:
+  # Emphasis style should be consistent
+  style: 'consistent'
+
+# MD050/strong-style - Strong style should be consistent
+MD050:
+  # Strong style should be consistent
+  style: 'consistent'