mirror of
https://github.com/caty21/forex-dashboard.git
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caty21
777 lines
32 KiB
TypeScript
777 lines
32 KiB
TypeScript
// lib/tecpi.ts
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// Scrape deux pages TE country-list en parallèle :
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// - core-inflation-rate → cpiCore YoY
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// - inflation-rate-mom → cpiMoM
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// Une seule requête HTTP par page (cache 6h) — remplace les séries FRED mensuelles
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// qui avaient jusqu'à 1.5 an de retard (GBP/JPY/CHF/CAD/AUD/NZD stale FRED).
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import type { Currency } from "./types";
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const TE_COUNTRY_CPI: Record<Currency, string> = {
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USD: "United States",
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EUR: "Euro Area",
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GBP: "United Kingdom",
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JPY: "Japan",
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CHF: "Switzerland",
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CAD: "Canada",
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AUD: "Australia",
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NZD: "New Zealand",
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};
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export interface CoreCPIEntry {
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value: number; // YoY %
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prev: number; // valeur précédente
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refMonth: string; // "2026-04-01"
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}
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export type CoreCPIMap = Partial<Record<Currency, CoreCPIEntry>>;
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export interface MoMCPIEntry {
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value: number; // MoM % (ou QoQ pour AUD/NZD)
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prev: number | null; // période précédente (null si calculé depuis index)
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refMonth: string;
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isQoQ?: boolean; // true pour AUD et NZD (données trimestrielles)
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}
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export type MoMCPIMap = Partial<Record<Currency, MoMCPIEntry>>;
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// Convertit "Apr/26" → "2026-04-01"
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function parseRefDate(raw: string): string {
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const MONTHS: Record<string, string> = {
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Jan: "01", Feb: "02", Mar: "03", Apr: "04", May: "05", Jun: "06",
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Jul: "07", Aug: "08", Sep: "09", Oct: "10", Nov: "11", Dec: "12",
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};
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const m = raw.match(/([A-Za-z]+)\/(\d{2})/);
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if (!m) return "";
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const month = MONTHS[m[1]] ?? "01";
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const year = `20${m[2]}`;
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return `${year}-${month}-01`;
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}
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export async function fetchTECoreInflation(): Promise<CoreCPIMap> {
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try {
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const res = await fetch(
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"https://tradingeconomics.com/country-list/core-inflation-rate?continent=world",
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{
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next: { revalidate: 21600 }, // 6h — données mensuelles, inutile de re-fetcher trop souvent
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headers: {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/124.0.0.0 Safari/537.36",
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"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
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"Accept-Language": "en-US,en;q=0.9",
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},
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}
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);
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if (!res.ok) {
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console.warn("[tecpi] HTTP", res.status);
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return {};
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}
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const html = await res.text();
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return parseCoreInflationHTML(html);
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} catch (err) {
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console.error("[tecpi] error:", err);
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return {};
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}
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}
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// ── Inflation Rate YoY (headline) ────────────────────────────────────────────
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export async function fetchTEInflationYoY(): Promise<CoreCPIMap> {
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try {
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const res = await fetch(
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"https://tradingeconomics.com/country-list/inflation-rate?continent=world",
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{
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next: { revalidate: 21600 },
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headers: {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/124.0.0.0 Safari/537.36",
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"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
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"Accept-Language": "en-US,en;q=0.9",
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},
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}
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);
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if (!res.ok) { console.warn("[tecpi-yoy] HTTP", res.status); return {}; }
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const html = await res.text();
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return parseCoreInflationHTML(html); // même structure de parsing
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} catch (err) {
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console.error("[tecpi-yoy] error:", err);
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return {};
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}
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}
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// ── CPI Index → MoM% ─────────────────────────────────────────────────────────
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// Scrape country-list/consumer-price-index-cpi
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// Calcule MoM% = (Last - Previous) / Previous × 100
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// Retourne aussi les valeurs brutes pour le tooltip
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export interface CPIIndexEntry {
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momPct: number; // MoM% calculé
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rawLast: number; // valeur brute (index points)
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rawPrev: number;
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refMonth: string;
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}
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export type CPIIndexMap = Partial<Record<Currency, CPIIndexEntry>>;
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export async function fetchTECPIIndex(): Promise<CPIIndexMap> {
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try {
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const res = await fetch(
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"https://tradingeconomics.com/country-list/consumer-price-index-cpi?continent=world",
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{
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next: { revalidate: 21600 },
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headers: {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/124.0.0.0 Safari/537.36",
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"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
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"Accept-Language": "en-US,en;q=0.9",
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},
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}
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);
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if (!res.ok) { console.warn("[tecpi-idx] HTTP", res.status); return {}; }
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const html = await res.text();
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return parseCPIIndexHTML(html, TE_COUNTRY_CPI);
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} catch (err) {
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console.error("[tecpi-idx] error:", err);
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return {};
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}
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}
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function parseCPIIndexHTML(html: string, countryMap: Record<Currency, string>): CPIIndexMap {
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const result: CPIIndexMap = {};
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const seen = new Set<Currency>();
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const rowPattern = /<tr[^>]*>([\s\S]*?)<\/tr>/g;
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let m: RegExpExecArray | null;
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while ((m = rowPattern.exec(html)) !== null) {
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const text = m[1].replace(/<[^>]+>/g, " ").replace(/\s+/g, " ").trim();
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for (const [ccy, country] of Object.entries(countryMap) as [Currency, string][]) {
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if (seen.has(ccy)) continue;
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if (!text.startsWith(country)) continue;
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const nums = text.match(/-?\d+(?:\.\d+)?/g);
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const dateMatch = text.match(/([A-Za-z]{3}\/\d{2})/);
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if (nums && nums.length >= 2) {
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const rawLast = parseFloat(nums[0]);
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const rawPrev = parseFloat(nums[1]);
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if (rawPrev !== 0) {
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result[ccy] = {
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momPct: parseFloat(((rawLast - rawPrev) / rawPrev * 100).toFixed(3)),
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rawLast,
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rawPrev,
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refMonth: dateMatch ? parseRefDate(dateMatch[1]) : "",
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};
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seen.add(ccy);
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}
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}
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break;
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}
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if (seen.size === 8) break;
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}
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return result;
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}
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// ── Core Consumer Prices index → MoM% (depuis pages individuelles) ───────────
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// La country-list arrondit à l'entier → 0% faux pour CAD/JPY/CHF.
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// On scrape la meta description de chaque page individuelle (décimales disponibles).
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// Format meta : "...increased to 0.40 percent in April from 0.20 percent..."
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// Pour CHF on utilise /switzerland/core-consumer-prices (pas de page -mom)
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// Pages existantes avec % direct : USD, EUR, GBP, CAD
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// Pages index seulement (calcul delta) : JPY, CHF, AUD (QoQ), NZD (QoQ)
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const TE_CORE_MOM_SLUG: Record<Currency, string> = {
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USD: "united-states/core-inflation-rate-mom",
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EUR: "euro-area/core-inflation-rate-mom",
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GBP: "united-kingdom/core-inflation-rate-mom",
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JPY: "japan/core-consumer-prices", // pas de page -mom directe
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CAD: "canada/core-inflation-rate-mom",
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AUD: "australia/core-consumer-prices", // QoQ (données trimestrielles)
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NZD: "new-zealand/core-consumer-prices", // QoQ (données trimestrielles)
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CHF: "switzerland/core-consumer-prices", // index → delta calculé
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};
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// Devises publiées en QoQ (trimestriel) plutôt que MoM
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export const CORE_CPI_QOQ: Set<Currency> = new Set<Currency>(["AUD", "NZD"]);
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async function fetchOneTEMeta(url: string): Promise<string> {
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try {
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const res = await fetch(url, {
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next: { revalidate: 21600 },
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headers: {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/124.0.0.0 Safari/537.36",
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"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
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"Accept-Language": "en-US,en;q=0.9",
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},
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});
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if (!res.ok) return "";
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const html = await res.text();
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const m = html.match(/name=["']description["'][^>]*content=["']([^"']+)["']/i)
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?? html.match(/content=["']([^"']+)["'][^>]*name=["']description["']/i);
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return m?.[1] ?? "";
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} catch { return ""; }
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}
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function parseMetaForMoM(desc: string): { value: number; prev: number; isIndex?: boolean } | null {
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// Pattern 1 : "increased/decreased to X percent from Y percent"
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const p1 = desc.match(
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/(?:increased|decreased|declined|rose|fell|eased|changed)\s+to\s*([\d.]+)\s+percent[^.]*?from\s+([\d.]+)\s+percent/i
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);
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if (p1) return { value: parseFloat(p1[1]), prev: parseFloat(p1[2]) };
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// Pattern 2 : "remained unchanged at X percent" → current = prev = X, delta = 0
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const p2 = desc.match(/(?:remained unchanged at|is unchanged at)\s*([\d.]+)\s+percent/i);
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if (p2) { const v = parseFloat(p2[1]); return { value: v, prev: v }; }
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// Pattern 3 : "increased to X points from Y points" → calcul MoM% = (X-Y)/Y*100
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const p3 = desc.match(
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/(?:increased|decreased|declined|rose|fell|eased|changed)\s+to\s*([\d.]+)\s+points?[^.]*?from\s+([\d.]+)\s+points?/i
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);
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if (p3) {
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const last = parseFloat(p3[1]);
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const prev = parseFloat(p3[2]);
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if (prev !== 0) return { value: parseFloat(((last - prev) / prev * 100).toFixed(3)), prev, isIndex: true };
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}
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// Pattern 4 : "remained unchanged at X points" → delta = 0, on retourne 0
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const p4 = desc.match(/(?:remained unchanged at|is unchanged at)\s*([\d.]+)\s+points?/i);
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if (p4) return { value: 0, prev: parseFloat(p4[1]), isIndex: true };
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return null;
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}
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export async function fetchTECoreCPIMoM(): Promise<MoMCPIMap> {
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const entries = await Promise.all(
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(Object.entries(TE_CORE_MOM_SLUG) as [Currency, string][]).map(async ([ccy, slug]) => {
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const desc = await fetchOneTEMeta(`https://tradingeconomics.com/${slug}`);
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const parsed = parseMetaForMoM(desc);
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if (!parsed) return null;
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const MONTHS: Record<string, string> = { January:"01",February:"02",March:"03",April:"04",May:"05",June:"06",July:"07",August:"08",September:"09",October:"10",November:"11",December:"12" };
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const QUARTERS: Record<string, string> = { first:"01",second:"04",third:"07",fourth:"10" };
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const curYear = new Date().getFullYear().toString();
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// Mois courant = premier "to/at X [points/percent] in [Month]" dans la description
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const dateCurrM = desc.match(/(?:to|at)\s+[\d.]+\s+(?:points?|percent)\s+in\s+([A-Za-z]+)/i);
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// Année = "of [Year]" n'importe où
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const yearM = desc.match(/\bof\s+(\d{4})\b/);
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// Trimestriel NZD
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const dateQ = desc.match(/in\s+the\s+(first|second|third|fourth)\s+quarter\s+of\s+(\d{4})/i);
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let refMonth = "";
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if (dateQ) {
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refMonth = `${dateQ[2]}-${QUARTERS[dateQ[1].toLowerCase()]}-01`;
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} else if (dateCurrM) {
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const mn = dateCurrM[1];
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const cap = mn.charAt(0).toUpperCase() + mn.slice(1).toLowerCase();
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if (MONTHS[cap]) refMonth = `${yearM?.[1] ?? curYear}-${MONTHS[cap]}-01`;
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}
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const entry: MoMCPIEntry = {
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value: parsed.value,
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// Pour les devises index-only (JPY/CHF/AUD/NZD), parsed.prev est la valeur brute
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// de l'index, pas le MoM% précédent → on met null
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prev: parsed.isIndex ? null : parsed.prev,
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refMonth,
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isQoQ: CORE_CPI_QOQ.has(ccy) || undefined,
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};
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return [ccy, entry] as [Currency, MoMCPIEntry];
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})
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);
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const result: MoMCPIMap = {};
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for (const entry of entries) {
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if (entry) result[entry[0]] = entry[1];
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}
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return result;
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}
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// ── Core Consumer Prices index (for tooltip raw values alongside CoreMoM) ────
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export async function fetchTECoreConsumerPricesIndex(): Promise<CPIIndexMap> {
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try {
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const res = await fetch(
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"https://tradingeconomics.com/country-list/core-consumer-prices?continent=world",
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{
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next: { revalidate: 21600 },
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headers: {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/124.0.0.0 Safari/537.36",
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"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
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"Accept-Language": "en-US,en;q=0.9",
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},
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}
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);
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if (!res.ok) return {};
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const html = await res.text();
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return parseCPIIndexHTML(html, TE_COUNTRY_CPI);
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} catch { return {}; }
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}
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// ── MoM inflation rate ────────────────────────────────────────────────────────
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export async function fetchTEMoMInflation(): Promise<MoMCPIMap> {
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try {
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const res = await fetch(
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"https://tradingeconomics.com/country-list/inflation-rate-mom?continent=world",
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{
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next: { revalidate: 21600 },
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headers: {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/124.0.0.0 Safari/537.36",
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"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
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"Accept-Language": "en-US,en;q=0.9",
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},
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}
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);
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if (!res.ok) { console.warn("[tecpi-mom] HTTP", res.status); return {}; }
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const html = await res.text();
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return parseMoMHTML(html);
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} catch (err) {
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console.error("[tecpi-mom] error:", err);
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return {};
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}
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}
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function parseMoMHTML(html: string, countryMap: Record<Currency, string> = TE_COUNTRY_CPI): MoMCPIMap {
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const result: MoMCPIMap = {};
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const seen = new Set<Currency>();
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const rowPattern = /<tr[^>]*>([\s\S]*?)<\/tr>/g;
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let m: RegExpExecArray | null;
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while ((m = rowPattern.exec(html)) !== null) {
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const text = m[1].replace(/<[^>]+>/g, " ").replace(/\s+/g, " ").trim();
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const textLower = text.toLowerCase();
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for (const [ccy, country] of Object.entries(countryMap) as [Currency, string][]) {
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if (seen.has(ccy)) continue;
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if (!textLower.startsWith(country.toLowerCase())) continue;
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const nums = text.match(/-?\d+\.?\d*/g);
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const dateMatch = text.match(/([A-Za-z]{3}\/\d{2})/);
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if (nums && nums.length >= 2) {
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result[ccy] = {
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value: parseFloat(nums[0]),
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prev: parseFloat(nums[1]),
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refMonth: dateMatch ? parseRefDate(dateMatch[1]) : "",
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};
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seen.add(ccy);
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}
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break;
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}
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if (seen.size === 8) break;
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}
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return result;
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}
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// ── PPI MoM ──────────────────────────────────────────────────────────────────
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export async function fetchTEPPIMoM(): Promise<MoMCPIMap> {
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try {
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const res = await fetch(
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"https://tradingeconomics.com/country-list/producer-price-inflation-mom?continent=world",
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{
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next: { revalidate: 21600 },
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headers: {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/124.0.0.0 Safari/537.36",
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"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
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"Accept-Language": "en-US,en;q=0.9",
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},
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}
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);
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if (!res.ok) { console.warn("[tecpi-ppi] HTTP", res.status); return {}; }
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const html = await res.text();
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return parseMoMHTML(html); // case-insensitive → "Euro area" matche "Euro Area"
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} catch (err) {
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console.error("[tecpi-ppi] error:", err);
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return {};
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}
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}
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// ── Core YoY ──────────────────────────────────────────────────────────────────
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function parseCoreInflationHTML(html: string): CoreCPIMap {
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const result: CoreCPIMap = {};
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const seen = new Set<Currency>();
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const rowPattern = /<tr[^>]*>([\s\S]*?)<\/tr>/g;
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let m: RegExpExecArray | null;
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while ((m = rowPattern.exec(html)) !== null) {
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const text = m[1].replace(/<[^>]+>/g, " ").replace(/\s+/g, " ").trim();
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for (const [ccy, country] of Object.entries(TE_COUNTRY_CPI) as [Currency, string][]) {
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if (seen.has(ccy)) continue;
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if (!text.startsWith(country)) continue;
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// Format : "Country Last Previous Mon/YY %"
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// Last / Previous peuvent être négatifs (ex : Morocco -0.3)
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const nums = text.match(/-?\d+\.?\d*/g);
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// Chercher la date de référence (format Mon/YY)
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const dateMatch = text.match(/([A-Za-z]{3}\/\d{2})/);
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if (nums && nums.length >= 2) {
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result[ccy] = {
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value: parseFloat(nums[0]),
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prev: parseFloat(nums[1]),
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refMonth: dateMatch ? parseRefDate(dateMatch[1]) : "",
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};
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||
seen.add(ccy);
|
||
}
|
||
break;
|
||
}
|
||
|
||
if (seen.size === 8) break;
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
// ── Core CPI YoY individuel (valeur précise + consensus via TEForecast) ───────
|
||
// Utilisé pour EUR (fiabilité) et JPY (consensus).
|
||
// Retourne { value, consensus, refMonth } — prev reste fourni par le country-list.
|
||
|
||
export interface CoreCPIPageEntry {
|
||
value: number;
|
||
consensus: number | null; // TEForecast[0] si disponible
|
||
refMonth: string;
|
||
}
|
||
|
||
const TE_CORE_YOY_SLUG: Partial<Record<Currency, string>> = {
|
||
EUR: "euro-area/core-inflation-rate",
|
||
JPY: "japan/core-inflation-rate",
|
||
};
|
||
|
||
// Pages individuelles pour Inflation Rate YoY (headline) — plus à jour que le country-list
|
||
const TE_INFLATION_YOY_SLUG: Partial<Record<Currency, string>> = {
|
||
EUR: "euro-area/inflation-cpi",
|
||
GBP: "united-kingdom/inflation-cpi",
|
||
JPY: "japan/inflation-cpi",
|
||
};
|
||
|
||
|
||
export async function fetchTECoreInflationPages(): Promise<Partial<Record<Currency, CoreCPIPageEntry>>> {
|
||
const MONTHS: Record<string, string> = { January:"01",February:"02",March:"03",April:"04",May:"05",June:"06",July:"07",August:"08",September:"09",October:"10",November:"11",December:"12" };
|
||
|
||
const entries = await Promise.all(
|
||
(Object.entries(TE_CORE_YOY_SLUG) as [Currency, string][]).map(async ([ccy, slug]) => {
|
||
try {
|
||
const res = await fetch(`https://tradingeconomics.com/${slug}`, {
|
||
next: { revalidate: 21600 },
|
||
headers: {
|
||
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/124.0.0.0 Safari/537.36",
|
||
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
|
||
"Accept-Language": "en-US,en;q=0.9",
|
||
},
|
||
});
|
||
if (!res.ok) return null;
|
||
const html = await res.text();
|
||
|
||
// Meta description → valeur courante
|
||
const metaM = html.match(/name=["']description["'][^>]*content=["']([^"']+)["']/i)
|
||
?? html.match(/content=["']([^"']+)["'][^>]*name=["']description["']/i);
|
||
const desc = metaM?.[1] ?? "";
|
||
const valM = desc.match(/(?:increased|decreased|declined|rose|fell|eased|remained unchanged at)\s+([\d.]+)\s+percent/i);
|
||
if (!valM) return null;
|
||
const value = parseFloat(valM[1]);
|
||
|
||
// Date : "in [Month] of [Year]"
|
||
const dateM = desc.match(/in\s+([A-Za-z]+)\s+of\s+(\d{4})/i);
|
||
let refMonth = "";
|
||
if (dateM && MONTHS[dateM[1]]) refMonth = `${dateM[2]}-${MONTHS[dateM[1]]}-01`;
|
||
|
||
// Consensus = TEForecast[0]
|
||
let consensus: number | null = null;
|
||
const fcM = html.match(/TEForecast\s*=\s*\[\s*([\d.,\s]+)\]/);
|
||
if (fcM) {
|
||
const first = fcM[1].split(",")[0].trim();
|
||
if (first) consensus = parseFloat(first);
|
||
}
|
||
|
||
return [ccy, { value, consensus, refMonth }] as [Currency, CoreCPIPageEntry];
|
||
} catch { return null; }
|
||
})
|
||
);
|
||
|
||
const result: Partial<Record<Currency, CoreCPIPageEntry>> = {};
|
||
for (const e of entries) if (e) result[e[0]] = e[1];
|
||
return result;
|
||
}
|
||
|
||
// ── Inflation Rate YoY individuel (EUR valeur à jour + GBP/JPY consensus) ────
|
||
// Meta format : "increased to X.XX percent in [Month] from Y.YY percent in [PrevMonth] of [Year]"
|
||
|
||
export interface InflationYoYPageEntry {
|
||
value: number;
|
||
prev: number | null;
|
||
consensus: number | null;
|
||
refMonth: string;
|
||
}
|
||
|
||
export async function fetchTEInflationYoYPages(): Promise<Partial<Record<Currency, InflationYoYPageEntry>>> {
|
||
const MONTHS: Record<string, string> = { January:"01",February:"02",March:"03",April:"04",May:"05",June:"06",July:"07",August:"08",September:"09",October:"10",November:"11",December:"12" };
|
||
|
||
const entries = await Promise.all(
|
||
(Object.entries(TE_INFLATION_YOY_SLUG) as [Currency, string][]).map(async ([ccy, slug]) => {
|
||
try {
|
||
const res = await fetch(`https://tradingeconomics.com/${slug}`, {
|
||
next: { revalidate: 21600 },
|
||
headers: {
|
||
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/124.0.0.0 Safari/537.36",
|
||
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
|
||
"Accept-Language": "en-US,en;q=0.9",
|
||
},
|
||
});
|
||
if (!res.ok) return null;
|
||
const html = await res.text();
|
||
|
||
const metaM = html.match(/name=["']description["'][^>]*content=["']([^"']+)["']/i)
|
||
?? html.match(/content=["']([^"']+)["'][^>]*name=["']description["']/i);
|
||
const desc = metaM?.[1] ?? "";
|
||
|
||
// "increased/decreased to X percent in [Month] from Y percent in [PrevMonth] of [Year]"
|
||
const p1 = desc.match(
|
||
/(?:increased|decreased|declined|rose|fell|eased|changed)\s+to\s+([\d.]+)\s+percent[^.]*?from\s+([\d.]+)\s+percent/i
|
||
);
|
||
// "remained unchanged at X percent in [Month]"
|
||
const p2 = !p1 ? desc.match(/(?:remained unchanged at|is unchanged at)\s*([\d.]+)\s+percent/i) : null;
|
||
|
||
const value = p1 ? parseFloat(p1[1]) : p2 ? parseFloat(p2[1]) : null;
|
||
const prev = p1 ? parseFloat(p1[2]) : p2 ? parseFloat(p2[1]) : null;
|
||
if (value === null) return null;
|
||
|
||
// Date : current month + year
|
||
const dateCurrM = desc.match(/(?:to|at)\s+[\d.]+\s+percent\s+in\s+([A-Za-z]+)/i);
|
||
const yearM = desc.match(/\bof\s+(\d{4})\b/);
|
||
const curYear = new Date().getFullYear().toString();
|
||
let refMonth = "";
|
||
if (dateCurrM) {
|
||
const mn = dateCurrM[1];
|
||
const cap = mn.charAt(0).toUpperCase() + mn.slice(1).toLowerCase();
|
||
if (MONTHS[cap]) refMonth = `${yearM?.[1] ?? curYear}-${MONTHS[cap]}-01`;
|
||
}
|
||
|
||
// Consensus = TEForecast[0]
|
||
let consensus: number | null = null;
|
||
const fcM = html.match(/TEForecast\s*=\s*\[\s*([\d.,\s]+)\]/);
|
||
if (fcM) {
|
||
const first = fcM[1].split(",")[0].trim();
|
||
if (first) consensus = parseFloat(first);
|
||
}
|
||
|
||
return [ccy, { value, prev, consensus, refMonth }] as [Currency, InflationYoYPageEntry];
|
||
} catch { return null; }
|
||
})
|
||
);
|
||
|
||
const result: Partial<Record<Currency, InflationYoYPageEntry>> = {};
|
||
for (const e of entries) if (e) result[e[0]] = e[1];
|
||
return result;
|
||
}
|
||
|
||
// ── AUD Commodity Prices YoY ─────────────────────────────────────────────────
|
||
// Indicateur spécifique AUD : https://tradingeconomics.com/australia/commodity-prices-yoy
|
||
// Format meta : "increased to X.XX percent in [Month] from Y.YY percent in [PrevMonth] of [Year]"
|
||
|
||
export async function fetchTEAUDCommodityYoY(): Promise<InflationYoYPageEntry | null> {
|
||
const MONTHS: Record<string, string> = { January:"01",February:"02",March:"03",April:"04",May:"05",June:"06",July:"07",August:"08",September:"09",October:"10",November:"11",December:"12" };
|
||
try {
|
||
const res = await fetch("https://tradingeconomics.com/australia/commodity-prices-yoy", {
|
||
next: { revalidate: 21600 },
|
||
headers: {
|
||
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/124.0.0.0 Safari/537.36",
|
||
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
|
||
"Accept-Language": "en-US,en;q=0.9",
|
||
},
|
||
});
|
||
if (!res.ok) return null;
|
||
const html = await res.text();
|
||
|
||
const metaM = html.match(/name=["']description["'][^>]*content=["']([^"']+)["']/i)
|
||
?? html.match(/content=["']([^"']+)["'][^>]*name=["']description["']/i);
|
||
const desc = metaM?.[1] ?? "";
|
||
|
||
const p1 = desc.match(/(?:increased|decreased|declined|rose|fell|eased|changed)\s+to\s+([\d.]+)\s+percent[^.]*?from\s+([\d.]+)\s+percent/i);
|
||
const p2 = !p1 ? desc.match(/(?:remained unchanged at|is unchanged at)\s*([\d.]+)\s+percent/i) : null;
|
||
const value = p1 ? parseFloat(p1[1]) : p2 ? parseFloat(p2[1]) : null;
|
||
const prev = p1 ? parseFloat(p1[2]) : p2 ? parseFloat(p2[1]) : null;
|
||
if (value === null) return null;
|
||
|
||
const dateCurrM = desc.match(/(?:to|at)\s+[\d.]+\s+percent\s+in\s+([A-Za-z]+)/i);
|
||
const yearM = desc.match(/\bof\s+(\d{4})\b/);
|
||
const curYear = new Date().getFullYear().toString();
|
||
let refMonth = "";
|
||
if (dateCurrM) {
|
||
const mn = dateCurrM[1];
|
||
const cap = mn.charAt(0).toUpperCase() + mn.slice(1).toLowerCase();
|
||
if (MONTHS[cap]) refMonth = `${yearM?.[1] ?? curYear}-${MONTHS[cap]}-01`;
|
||
}
|
||
|
||
let consensus: number | null = null;
|
||
const fcM = html.match(/TEForecast\s*=\s*\[\s*([\d.,\s]+)\]/);
|
||
if (fcM) {
|
||
const first = fcM[1].split(",")[0].trim();
|
||
if (first) consensus = parseFloat(first);
|
||
}
|
||
|
||
return { value, prev, consensus, refMonth };
|
||
} catch { return null; }
|
||
}
|
||
|
||
// ── Unemployment Rate ─────────────────────────────────────────────────────────
|
||
// Source : https://tradingeconomics.com/country-list/unemployment-rate?continent=world
|
||
// Une seule requête HTTP (cache 6h) pour les 8 devises.
|
||
// Donne le taux national officiel (ex : SECO ~3% pour CHF) au lieu du taux ILO harmonisé
|
||
// FRED qui peut être de 2-3 pp supérieur (ex : LRHUTTTTCHQ156S ~5% pour CHF).
|
||
|
||
export async function fetchTEUnemploymentRate(): Promise<CoreCPIMap> {
|
||
try {
|
||
const res = await fetch(
|
||
"https://tradingeconomics.com/country-list/unemployment-rate?continent=world",
|
||
{
|
||
next: { revalidate: 21600 },
|
||
headers: {
|
||
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/124.0.0.0 Safari/537.36",
|
||
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
|
||
"Accept-Language": "en-US,en;q=0.9",
|
||
},
|
||
}
|
||
);
|
||
if (!res.ok) { console.warn("[tecpi-une] HTTP", res.status); return {}; }
|
||
const html = await res.text();
|
||
return parseCoreInflationHTML(html);
|
||
} catch (err) {
|
||
console.error("[tecpi-une] error:", err);
|
||
return {};
|
||
}
|
||
}
|
||
|
||
// ── STIR — Taux interbancaire 3 mois ─────────────────────────────────────────
|
||
// Source : https://tradingeconomics.com/country-list/3-month-interbank-rate
|
||
// Donne le taux de marché à 3 mois (SOFR 3M, EURIBOR 3M, SONIA 3M, TIBOR 3M…)
|
||
// pour les 8 devises en une seule requête.
|
||
// Interprétation :
|
||
// STIR > taux directeur → marché price des hausses → signal hawkish
|
||
// STIR < taux directeur → marché price des baisses → signal dovish
|
||
// STIR en hausse → conditions de crédit plus restrictives (prêter = plus risqué/cher)
|
||
// STIR en baisse → conditions de crédit plus souples (prêter = plus sûr/moins cher)
|
||
|
||
export async function fetchTESTIRRate(): Promise<CoreCPIMap> {
|
||
try {
|
||
const res = await fetch(
|
||
"https://tradingeconomics.com/country-list/3-month-interbank-rate?continent=world",
|
||
{
|
||
next: { revalidate: 21600 },
|
||
headers: {
|
||
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/124.0.0.0 Safari/537.36",
|
||
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
|
||
"Accept-Language": "en-US,en;q=0.9",
|
||
},
|
||
}
|
||
);
|
||
if (!res.ok) { console.warn("[tecpi-stir] HTTP", res.status); return {}; }
|
||
const html = await res.text();
|
||
return parseCoreInflationHTML(html);
|
||
} catch (err) {
|
||
console.error("[tecpi-stir] error:", err);
|
||
return {};
|
||
}
|
||
}
|
||
|
||
// ── GDP Growth Rate QoQ% ──────────────────────────────────────────────────────
|
||
// Source : https://tradingeconomics.com/country-list/gdp-growth-rate
|
||
// Une seule requête HTTP (cache 6h) couvre les 8 devises.
|
||
// Remplace les séries FRED qui retournent souvent un indice niveau à la place
|
||
// du QoQ% réel, et qui sont en retard d'1 à 4 trimestres selon la devise.
|
||
|
||
export async function fetchTEGDPGrowthRate(): Promise<CoreCPIMap> {
|
||
try {
|
||
const res = await fetch(
|
||
"https://tradingeconomics.com/country-list/gdp-growth-rate?continent=world",
|
||
{
|
||
next: { revalidate: 21600 },
|
||
headers: {
|
||
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/124.0.0.0 Safari/537.36",
|
||
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
|
||
"Accept-Language": "en-US,en;q=0.9",
|
||
},
|
||
}
|
||
);
|
||
if (!res.ok) { console.warn("[tecpi-gdp] HTTP", res.status); return {}; }
|
||
const html = await res.text();
|
||
return parseCoreInflationHTML(html);
|
||
} catch (err) {
|
||
console.error("[tecpi-gdp] error:", err);
|
||
return {};
|
||
}
|
||
}
|
||
|
||
// ── Employment Change — pages individuelles TradingEconomics ─────────────────
|
||
// USD : /united-states/non-farm-payrolls → en milliers, MoM
|
||
// GBP : /united-kingdom/employment-change → en milliers, MoM (3 mois glissants)
|
||
// AUD : /australia/employment-change → en personnes → /1000
|
||
// EUR : /euro-area/employment-change → QoQ%
|
||
|
||
export interface TEEmploymentEntry {
|
||
value: number; // k pour USD/GBP/AUD, QoQ% pour EUR
|
||
prev: number | null;
|
||
}
|
||
|
||
const TE_EMP_CONFIG: Partial<Record<Currency, { slug: string; unitKw: string; divisor: number; precision: number }>> = {
|
||
USD: { slug: "united-states/non-farm-payrolls", unitKw: "thousand", divisor: 1, precision: 0 },
|
||
GBP: { slug: "united-kingdom/employment-change", unitKw: "thousand", divisor: 1, precision: 0 },
|
||
AUD: { slug: "australia/employment-change", unitKw: "person", divisor: 1000, precision: 1 },
|
||
EUR: { slug: "euro-area/employment-change", unitKw: "percent", divisor: 1, precision: 2 },
|
||
};
|
||
|
||
export async function fetchTEEmploymentChange(): Promise<Partial<Record<Currency, TEEmploymentEntry>>> {
|
||
const headers = {
|
||
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/124.0.0.0 Safari/537.36",
|
||
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
|
||
"Accept-Language": "en-US,en;q=0.9",
|
||
};
|
||
|
||
const entries = await Promise.all(
|
||
(Object.entries(TE_EMP_CONFIG) as [Currency, NonNullable<typeof TE_EMP_CONFIG[Currency]>][])
|
||
.map(async ([ccy, { slug, unitKw, divisor, precision }]) => {
|
||
try {
|
||
const res = await fetch(`https://tradingeconomics.com/${slug}`, {
|
||
next: { revalidate: 21600 },
|
||
headers,
|
||
});
|
||
if (!res.ok) return null;
|
||
const html = await res.text();
|
||
|
||
// Current value from meta description
|
||
const metaM = html.match(/name=["']description["'][^>]*content=["']([^"']+)["']/i)
|
||
?? html.match(/content=["']([^"']+)["'][^>]*name=["']description["']/i);
|
||
const desc = metaM?.[1] ?? "";
|
||
const incrM = desc.match(/increased\s+by\s+([\d,]+\.?\d*)/i);
|
||
const decrM = desc.match(/decreased\s+by\s+([\d,]+\.?\d*)/i);
|
||
if (!incrM && !decrM) return null;
|
||
|
||
const sign = incrM ? 1 : -1;
|
||
const absVal = parseFloat((incrM?.[1] ?? decrM![1]).replace(/,/g, ""));
|
||
const curRaw = sign * absVal;
|
||
|
||
// Find previous from table: groups of (value, prev, unit-label)
|
||
const tdVals: string[] = [];
|
||
const tdRe = /<td[^>]*>([^<]+)<\/td>/g;
|
||
let m: RegExpExecArray | null;
|
||
while ((m = tdRe.exec(html)) !== null) tdVals.push(m[1].trim());
|
||
|
||
let prevRaw: number | null = null;
|
||
for (let i = 0; i < tdVals.length - 2; i++) {
|
||
const a = parseFloat(tdVals[i].replace(/,/g, ""));
|
||
const b = parseFloat(tdVals[i + 1].replace(/,/g, ""));
|
||
const c = tdVals[i + 2].toLowerCase();
|
||
if (isNaN(a) || isNaN(b) || !c.includes(unitKw)) continue;
|
||
const tol = Math.max(1, Math.abs(curRaw) * 0.02);
|
||
if (Math.abs(a - curRaw) <= tol) { prevRaw = b; break; }
|
||
}
|
||
|
||
return [ccy, {
|
||
value: parseFloat((curRaw / divisor).toFixed(precision)),
|
||
prev: prevRaw !== null ? parseFloat((prevRaw / divisor).toFixed(precision)) : null,
|
||
}] as [Currency, TEEmploymentEntry];
|
||
} catch { return null; }
|
||
})
|
||
);
|
||
|
||
const result: Partial<Record<Currency, TEEmploymentEntry>> = {};
|
||
for (const e of entries) if (e) result[e[0]] = e[1];
|
||
return result;
|
||
}
|