feat(editor): eslint/tsconfig migration + type fixes

@robonen/editor: migrate to eslint flat config + composite tsconfig; fix
convergence test type annotations.

vue/editor/src/schema/attr-spec.ts

@@ -0,0 +1,11 @@
+import type { AttrValue } from '../model';
+
+/** Specification for a single attribute: default, requiredness, validation. */
+export interface AttrSpec<V extends AttrValue = AttrValue> {
+  readonly default?: V;
+  readonly required?: boolean;
+  readonly validate?: (value: unknown) => boolean;
+}
+
+/** Map of attribute name → {@link AttrSpec}. */
+export type AttrsSpec = Readonly<Record<string, AttrSpec>>;

vue/editor/src/schema/content-kind.ts

@@ -0,0 +1,12 @@
+/**
+ * The content model of a block — a deliberately small, closed union instead of
+ * ProseMirror's content-expression grammar (KISS).
+ *
+ * - `text`: holds inline content; `marks` whitelists which marks may apply,
+ * - `container`: holds child blocks (reserved; no default block uses it yet),
+ * - `atom`: holds no editable content (image, divider).
+ */
+export type ContentKind
+  = | { readonly kind: 'text'; readonly marks?: 'all' | 'none' | readonly string[] }
+    | { readonly kind: 'container'; readonly allow?: readonly string[]; readonly group?: string }
+    | { readonly kind: 'atom' };

vue/editor/src/schema/dom.ts

@@ -0,0 +1,39 @@
+import type { Attrs } from '../model';
+
+/** Placeholder marking where a node/mark's content should be spliced in. */
+export type DOMOutputHole = 0;
+
+export type DOMOutputChild = DOMOutputSpec | DOMOutputHole;
+
+/**
+ * A serializable description of DOM output (ProseMirror-style), kept free of
+ * real DOM so the schema layer stays pure. The view realizes it into elements.
+ *
+ * - `'text'` → a text node,
+ * - `['tag', { attr: 'v' }, 0]` → `<tag attr="v">…content…</tag>`,
+ * - the attrs object is optional; `0` is the content hole.
+ *
+ * The array part is an interface so the recursion (an element may contain nested
+ * elements) is well-founded for the type checker.
+ */
+export type DOMOutputSpec = string | DOMOutputArray;
+
+export interface DOMOutputArray extends ReadonlyArray<string | Record<string, string> | DOMOutputChild> {}
+
+/**
+ * A rule for parsing DOM (paste / HTML import) into a block or mark.
+ * `getAttrs` receives a real `HTMLElement` (only ever called by the view); the
+ * type reference is compile-time only and introduces no runtime DOM dependency.
+ */
+export interface ParseRule {
+  /** CSS selector to match, e.g. `'a[href]'`, `'strong'`, `'h1'`. */
+  readonly tag?: string;
+  /** Inline-style match, e.g. `'font-weight=700'` (reserved for M2). */
+  readonly style?: string;
+  /** Static attrs applied when the rule matches. */
+  readonly attrs?: Attrs;
+  /** Derive attrs from the matched element; `false`/`null` rejects the match. */
+  readonly getAttrs?: (el: HTMLElement) => Attrs | false | null;
+  /** Higher priority rules are tried first. */
+  readonly priority?: number;
+}

vue/editor/src/schema/index.ts

@@ -0,0 +1,8 @@
+export * from './attr-spec';
+export * from './content-kind';
+export * from './dom';
+export * from './node-spec';
+export * from './mark-spec';
+export * from './schema';
+export * from './validate';
+export * from './normalize';

vue/editor/src/schema/mark-spec.ts

@@ -0,0 +1,19 @@
+import type { Mark } from '../model';
+import type { AttrsSpec } from './attr-spec';
+import type { DOMOutputSpec, ParseRule } from './dom';
+
+/** Schema contribution of a mark type. */
+export interface MarkSpec {
+  /** Attribute specs (defaults + validation), e.g. link `href`. */
+  readonly attrs?: AttrsSpec;
+  /** Whether typing at the mark's boundary extends it (bold yes, link no). */
+  readonly inclusive?: boolean;
+  /** Marks that cannot coexist with this one; `'_all'` excludes every other. */
+  readonly excludes?: readonly string[] | '_all';
+  /** Nesting order in {@link DOMOutputSpec}: lower = outer wrapper. */
+  readonly rank?: number;
+  /** Serialize the mark to a DOM description wrapping its content. */
+  readonly toDOM: (mark: Mark) => DOMOutputSpec;
+  /** Rules for parsing DOM into this mark (paste / import). */
+  readonly parseDOM: readonly ParseRule[];
+}

vue/editor/src/schema/node-spec.ts

@@ -0,0 +1,24 @@
+import type { Node } from '../model';
+import type { AttrsSpec } from './attr-spec';
+import type { ContentKind } from './content-kind';
+import type { DOMOutputSpec, ParseRule } from './dom';
+
+/** Schema contribution of a block type. */
+export interface NodeSpec {
+  /** Content model (text / container / atom). */
+  readonly content: ContentKind;
+  /** Attribute specs (defaults + validation). */
+  readonly attrs?: AttrsSpec;
+  /** Group name for membership tests (e.g. `'block'`, `'list'`). */
+  readonly group?: string;
+  /** Keep this block's type/identity when merged into (e.g. code-block). */
+  readonly defining?: boolean;
+  /** Raw multiline text: Enter inserts a newline instead of splitting (code-block). */
+  readonly code?: boolean;
+  /** Selection and merge cannot cross this block's boundary. */
+  readonly isolating?: boolean;
+  /** Serialize a node of this type to a DOM description (HTML export). */
+  readonly toDOM?: (node: Node) => DOMOutputSpec;
+  /** Rules for parsing DOM into a node of this type (paste / import). */
+  readonly parseDOM?: readonly ParseRule[];
+}

vue/editor/src/schema/normalize.ts

@@ -0,0 +1,44 @@
+import type { EditorDocument, Inline, Node } from '../model';
+import { isInlineContent, normalizeInline, replaceBlocks } from '../model';
+import type { NodeSpec } from './node-spec';
+import type { Schema } from './schema';
+import { marksAllowed } from './schema';
+
+function filterRunMarks(inline: Inline, spec: NodeSpec, schema: Schema): Inline {
+  return inline.map(run => ({
+    text: run.text,
+    marks: run.marks.filter(mark => schema.markSpec(mark.type) !== undefined && marksAllowed(spec, mark.type)),
+  }));
+}
+
+/**
+ * Bring a document to canonical form against a schema: coerce attrs, normalize
+ * inline content, drop marks that are unknown or disallowed in their block, and
+ * drop blocks of unknown type. This is the single funnel every document passes
+ * through before it becomes editor state.
+ */
+export function normalizeDocument(doc: EditorDocument, schema: Schema): EditorDocument {
+  const content: Node[] = [];
+
+  for (const block of doc.content) {
+    const spec = schema.nodeSpec(block.type);
+
+    if (!spec)
+      continue; // drop unknown block types
+
+    const attrs = schema.coerceAttrs(block.type, block.attrs);
+
+    if (spec.content.kind === 'text') {
+      const inline = isInlineContent(block.content) ? block.content : [];
+      content.push({ ...block, attrs, content: normalizeInline(filterRunMarks(inline, spec, schema)) });
+    }
+    else if (spec.content.kind === 'atom') {
+      content.push({ ...block, attrs, content: block.content ?? null });
+    }
+    else {
+      content.push({ ...block, attrs });
+    }
+  }
+
+  return replaceBlocks(doc, content);
+}

vue/editor/src/schema/schema.ts

@@ -0,0 +1,91 @@
+import type { AttrValue, Attrs } from '../model';
+import type { AttrsSpec } from './attr-spec';
+import type { NodeSpec } from './node-spec';
+import type { MarkSpec } from './mark-spec';
+
+/**
+ * The compiled schema: the set of known node/mark specs plus attribute
+ * coercion helpers. Projected from the registry (the registry is the SSOT).
+ */
+export interface Schema {
+  readonly nodes: ReadonlyMap<string, NodeSpec>;
+  readonly marks: ReadonlyMap<string, MarkSpec>;
+  nodeSpec: (type: string) => NodeSpec | undefined;
+  markSpec: (type: string) => MarkSpec | undefined;
+  /** Default attrs for a block type (all defaults applied). */
+  defaultAttrs: (type: string) => Attrs;
+  /** Fill defaults and drop unknown keys for a block type. */
+  coerceAttrs: (type: string, attrs?: Attrs) => Attrs;
+  /** Default attrs for a mark type. */
+  defaultMarkAttrs: (type: string) => Attrs;
+  /** Fill defaults and drop unknown keys for a mark type. */
+  coerceMarkAttrs: (type: string, attrs?: Attrs) => Attrs;
+}
+
+function coerceWithSpec(spec: AttrsSpec | undefined, attrs?: Attrs): Attrs {
+  if (!spec)
+    return {};
+
+  const result: Record<string, AttrValue> = {};
+
+  for (const key in spec) {
+    const provided = attrs?.[key];
+
+    if (provided !== undefined)
+      result[key] = provided;
+    else if (spec[key]!.default !== undefined)
+      result[key] = spec[key]!.default!;
+  }
+
+  return result;
+}
+
+/** Build a {@link Schema} from node and mark spec maps. */
+export function createSchema(input: {
+  nodes: ReadonlyMap<string, NodeSpec>;
+  marks: ReadonlyMap<string, MarkSpec>;
+}): Schema {
+  const { nodes, marks } = input;
+
+  return {
+    nodes,
+    marks,
+    nodeSpec: type => nodes.get(type),
+    markSpec: type => marks.get(type),
+    defaultAttrs: type => coerceWithSpec(nodes.get(type)?.attrs),
+    coerceAttrs: (type, attrs) => coerceWithSpec(nodes.get(type)?.attrs, attrs),
+    defaultMarkAttrs: type => coerceWithSpec(marks.get(type)?.attrs),
+    coerceMarkAttrs: (type, attrs) => coerceWithSpec(marks.get(type)?.attrs, attrs),
+  };
+}
+
+/** Whether a block spec holds inline (text) content. */
+export function isTextBlock(spec: NodeSpec): boolean {
+  return spec.content.kind === 'text';
+}
+
+/** Whether a block spec is an atom/void block. */
+export function isAtomBlock(spec: NodeSpec): boolean {
+  return spec.content.kind === 'atom';
+}
+
+/** Whether a block spec is a container of child blocks. */
+export function isContainerBlock(spec: NodeSpec): boolean {
+  return spec.content.kind === 'container';
+}
+
+/** Whether a mark of `markType` is allowed inside a block with this spec. */
+export function marksAllowed(spec: NodeSpec, markType: string): boolean {
+  if (spec.content.kind !== 'text')
+    return false;
+
+  const allowed = spec.content.marks;
+
+  if (allowed === undefined || allowed === 'all')
+    return true;
+
+  if (allowed === 'none')
+    return false;
+
+  return allowed.includes(markType);
+}

vue/editor/src/schema/validate.ts

@@ -0,0 +1,42 @@
+import type { EditorDocument } from '../model';
+import type { Schema } from './schema';
+
+export interface ValidationResult {
+  readonly valid: boolean;
+  readonly errors: readonly string[];
+}
+
+/**
+ * Structural validation of a document against a schema. Reports unknown block
+ * types, missing required attrs, and failed attr validators. Used in tests and
+ * as a guard around untrusted input; runtime mutation paths rely on
+ * {@link normalizeDocument} instead.
+ */
+export function validateDocument(doc: EditorDocument, schema: Schema): ValidationResult {
+  const errors: string[] = [];
+
+  for (const block of doc.content) {
+    const spec = schema.nodeSpec(block.type);
+
+    if (!spec) {
+      errors.push(`unknown block type: '${block.type}'`);
+      continue;
+    }
+
+    if (!spec.attrs)
+      continue;
+
+    for (const key in spec.attrs) {
+      const attr = spec.attrs[key]!;
+      const value = block.attrs[key];
+
+      if (attr.required && value === undefined && attr.default === undefined)
+        errors.push(`block '${block.type}' is missing required attr '${key}'`);
+
+      if (attr.validate && value !== undefined && !attr.validate(value))
+        errors.push(`block '${block.type}' has invalid attr '${key}'`);
+    }
+  }
+
+  return { valid: errors.length === 0, errors };
+}