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import type { AsyncRes, Result } from "sortug";
import { detectLang } from "./iso";
const ENDPOINT = "http://localhost:8102";
export async function segmenter(
text: string,
langg?: string,
): AsyncRes<StanzaRes> {
try {
const lang = langg ? langg : detectLang(text);
const body = JSON.stringify({ lang, string: text });
const opts = {
headers: {
"Content-type": "application/json",
"X-API-KEY": Bun.env.SORTUG_NLP_API_KEY!,
},
method: "POST",
body,
};
const res = await fetch(ENDPOINT + "/stanza", opts);
const j = await res.json();
return { ok: j };
} catch (e) {
return { error: `${e}` };
}
}
export async function idLang(text: string) {
try {
const body = JSON.stringify({ string: text });
const opts = {
headers: {
"Content-type": "application/json",
"X-API-KEY": Bun.env.SORTUG_NLP_API_KEY!,
},
method: "POST",
body,
};
const res = await fetch(ENDPOINT + "/detect-lang", opts);
const j = await res.json();
return { ok: j };
} catch (e) {
return { error: `${e}` };
}
}
export type StanzaRes = { input: string; segments: Sentence[] };
export type Sentence = {
text: string;
sentiment: number;
constituency: TreeNode;
constring: string;
dependencies: Dependency[];
entities: Entity[];
tokens: Token[];
words: Word[];
};
export type TreeNode = {
label: string;
children: TreeNode[];
};
export type Dependency = Array<[Word, string, Word]>;
export type Word = {
id: number;
text: string;
lemma: string;
upos: string;
xpos: string;
feats: string;
head: number;
deprel: string;
start_char: number;
end_char: number;
};
export type Token = {
id: [number, number];
text: string;
misc: string;
words: Word[];
start_char: number;
end_char: number;
ner: string;
};
export type Entity = {
text: string;
misc: string;
start_char: number;
end_char: number;
type: string;
};
// mine
export type Clause = {
words: Word[];
dependency: Dependency;
text: string;
};
// "amod",
// {
// "id": 1,
// "text": "Stony",
// "lemma": "Stony",
// "upos": "ADJ",
// "xpos": "NNP",
// "feats": "Degree=Pos",
// "head": 3,
// "deprel": "amod",
// "start_char": 0,
// "end_char": 5
// }
//
//
export interface ParsedGrammar {
predicateCore: number;
subjectCore: number | null;
tree: Record<number, number[]>;
wordMap: WordMap;
words: BigWord[];
}
export interface BigWord extends Word {
ancestry: number[];
component: "s" | "p" | "u";
}
export type ComputedDependency = {
word: BigWord;
children: ComputedDependency[];
};
export type WordMap = Record<number, Word>;
export function buildTreeFromWords(words: Word[]): Result<ParsedGrammar> {
const roots = words.filter((w) => w.deprel === "root");
if (roots.length > 1) {
console.log("roots", roots);
return { error: "too many roots" };
} else if (roots.length === 0) {
return { error: "no roots" };
} else {
const root = roots[0];
const wordmap = words.reduce((acc: WordMap, item) => {
acc[item.id] = item;
return acc;
}, {});
return { ok: parseFurther(words, wordmap, root) };
}
}
function parseFurther(
words: Word[],
wordMap: WordMap,
root: Word,
): ParsedGrammar {
const predicateCore = root.id;
let subjectCore: number | null = null;
const tree: Record<number, number[]> = {};
const bigwords: BigWord[] = [];
const getAncestry = (parent: Word): number[] => {
const kids = tree[parent.head] || [];
tree[parent.head] = [...kids, parent.id];
if (parent.deprel === "nsubj") subjectCore = parent.id;
console.log("getting ancestry " + parent.id, parent.text);
const grandpa = wordMap[parent.head];
if (!grandpa) return [parent.id];
else return [parent.id, ...getAncestry(grandpa)];
};
let idx = 0;
for (const w of words) {
if (w.deprel === "punct") {
const prev = words[idx - 1];
if (!prev) continue;
prev.text += w.text;
continue;
}
const parent = wordMap[w.head];
if (!parent) tree[w.id] = [];
const ancestry = !parent ? [] : getAncestry(parent);
const component =
subjectCore && (w.id === subjectCore || ancestry.includes(subjectCore))
? "s"
: w.id === predicateCore || ancestry.includes(root.id)
? "p"
: "u";
const bw: BigWord = { ...w, component, ancestry };
wordMap[w.id] = bw;
bigwords.push(bw);
idx++;
}
const pg: ParsedGrammar = {
predicateCore,
subjectCore,
wordMap,
tree,
words: bigwords,
};
return pg;
}
export function oneDescendant(node: TreeNode): boolean {
if (node.children.length !== 1) return false;
else {
const child = node.children[0];
return child.children.length === 0;
}
}
// function findChildren(wordmap: WordMap, word: Word): ComputedDependency {
// const children = words.filter((w) => w.head === head.id);
// return {
// word: head,
// children: children.map((c) => findChildren(words, c)),
// };
// }
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