83 lines
2.3 KiB
TypeScript
83 lines
2.3 KiB
TypeScript
import React, { useMemo, useState } from "react";
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import styles from "./Explorer.module.css";
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import { Highlight } from "./highlight";
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import OrgAst, { OrgNodeReference } from "./OrgAst";
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import { parse_org } from "../../organic/target/wasm32-unknown-unknown/js/wasm";
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import Editor from "./Editor";
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const default_org_source: string = `* Welcome to the Organic Ast Explorer!
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Type your Org [fn:1] source in this text box, and it will be parsed by Organic [fn:2] that has been compiled into wasm and embedded in this page. The resulting AST will be rendered to the right.
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In the AST on the right, you can:
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1. Click on an AST node to highlight the corresponding portion of the Org source on the left.
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2. Expand/Collapse the children, properties, and standard properties.
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* Footnotes
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[fn:1] https://orgmode.org/
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[fn:2] https://code.fizz.buzz/talexander/organic
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`;
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interface ExplorerProps {
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defaultValue?: string;
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}
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function Explorer({ defaultValue = default_org_source }: ExplorerProps) {
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const [value, setValue] = useState(defaultValue);
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const [highlights, setHighlights] = useState<Array<Highlight>>([]);
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const astTree = useMemo(() => {
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const astTree = parse_org(value);
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console.log(JSON.stringify(astTree));
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return astTree;
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}, [value]);
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function setHighlight(nodes: OrgNodeReference[]) {
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let new_highlights = nodes.map((node: OrgNodeReference) => {
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return new Highlight(node.start - 1, node.end - 1);
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});
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new_highlights.sort(function (a, b) {
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if (a.start < b.start) return -1;
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if (a.start > b.start) return 1;
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return 0;
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});
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setHighlights(new_highlights);
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}
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function addHighlight(start: number, end: number) {
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let new_highlights = [...highlights, new Highlight(start, end)];
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new_highlights.sort(function (a, b) {
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if (a.start < b.start) return -1;
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if (a.start > b.start) return 1;
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return 0;
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});
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setHighlights(new_highlights);
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}
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function clearHighlights() {
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setHighlights([]);
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}
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return (
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<div className={styles.Explorer}>
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<Editor
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value={value}
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setValue={setValue}
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highlights={highlights}
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clearHighlights={clearHighlights}
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/>
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<OrgAst
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setHighlight={setHighlight}
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clearHighlights={clearHighlights}
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value={value}
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astTree={astTree}
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/>
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</div>
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);
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}
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export default Explorer;
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