feat: types for @rdfjs/dataset (#42607)

types/rdfjs__dataset/DatasetCore.d.ts

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+import * as RDF from 'rdf-js';
+
+declare class DatasetCore implements RDF.DatasetCore {
+    constructor(quads: RDF.Quad[]);
+    size: number;
+    add(quad: RDF.Quad): this;
+    delete(quad: RDF.Quad): this;
+    has(quad: RDF.Quad): boolean;
+    match(subject?: RDF.Term | null, predicate?: RDF.Term | null, object?: RDF.Term | null, graph?: RDF.Term | null): this;
+    [Symbol.iterator](): Iterator<RDF.Quad>;
+}
+
+export = DatasetCore;

types/rdfjs__dataset/index.d.ts

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+// Type definitions for @rdfjs/dataset 1.0
+// Project: https://github.com/rdfjs-base/dataset
+// Definitions by: tpluscode <https://github.com/tpluscode>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+import { DataFactory, DefaultGraph } from 'rdf-js';
+import DatasetCore = require('./DatasetCore');
+
+declare function dataset(): DatasetCore;
+
+declare const Dataset: {
+    dataset(): DatasetCore;
+    defaultGraphInstance: DefaultGraph;
+} & Required<DataFactory>;
+
+export = Dataset;

types/rdfjs__dataset/rdfjs__dataset-tests.ts

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+import * as RDF from 'rdf-js';
+import rdf = require('@rdfjs/dataset');
+
+const dataset: RDF.DatasetCore = rdf.dataset();
+const literal: RDF.Literal = rdf.literal('foo');
+const blankNode: RDF.BlankNode = rdf.blankNode('foo');
+const variable: RDF.Variable = rdf.variable('foo');
+const graph: RDF.DefaultGraph = rdf.defaultGraph();
+const defaultGraph: RDF.DefaultGraph = rdf.defaultGraphInstance;
+const namedNode: RDF.NamedNode = rdf.namedNode('foo');
+const triple: RDF.Triple = rdf.triple(namedNode, variable, literal);
+const quad: RDF.Quad = rdf.quad(namedNode, variable, literal, graph);

types/rdfjs__dataset/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true,
+        "paths": {
+            "@rdfjs/dataset": [
+                "rdfjs__dataset"
+            ]
+        }
+    },
+    "files": [
+        "index.d.ts",
+        "rdfjs__dataset-tests.ts"
+    ]
+}

types/rdfjs__dataset/tslint.json

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+{ "extends": "dtslint/dt.json" }