mirror of
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210 lines
6.6 KiB
TypeScript
210 lines
6.6 KiB
TypeScript
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/**
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* Integration test for the single-note PDF export pipeline (Phase 1.2).
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*
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* Pipeline:
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* read fixture → stripFrontmatter → ensureLeadingTitle → mini md→html →
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* wrap in print scaffold → chromium-driver htmlToPdf → pdfinfo + pdftotext
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*
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* What this validates:
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* - Frontmatter is stripped (tags/population shouldn't appear in PDF)
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* - Title is the file basename (prepended because the fixture has no H1)
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* - All section headings + bullets render
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* - Bold/italic survive the pipeline
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*
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* What it doesn't (would need Obsidian runtime):
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* - Theme inheritance from document.styleSheets
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* - Wikilink resolution to clickable anchors
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*/
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import { describe, it, before, after } from "node:test";
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import expect from "expect";
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import fs from "node:fs/promises";
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import path from "node:path";
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import os from "node:os";
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import { execSync } from "node:child_process";
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import { ensureLeadingTitle } from "../../src/export/exporters/singleNote";
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import { PRINT_PATCH_CSS, wrapInPrintScaffold, escapeHtml } from "../../src/export/printScaffold";
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const CHROMIUM_DRIVER = "/mnt/c/Users/markr/work/tools/chromium-driver";
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const FIXTURE = path.resolve(__dirname, "../fixtures/sample-town.md");
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let tmpDir: string;
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before(async () => {
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tmpDir = await fs.mkdtemp(path.join(os.tmpdir(), "duckmage-single-itest-"));
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});
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after(async () => {
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await fs.rm(tmpDir, { recursive: true, force: true });
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});
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describe("single note PDF export — integration", () => {
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it("renders the fixture cleanly with stripped frontmatter and prepended title", async () => {
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const raw = await fs.readFile(FIXTURE, "utf8");
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const md = ensureLeadingTitle(raw, "Saltwatch");
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const html = wrapInFullHtml(md, "Saltwatch");
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const pdfPath = path.join(tmpDir, "saltwatch.pdf");
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const { htmlToPdf } = await import(`${CHROMIUM_DRIVER}/scripts/html-to-pdf.mjs`);
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const result = await htmlToPdf(html, pdfPath, { pageSize: "Letter" });
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expect(result.sizeBytes).toBeGreaterThan(3000);
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const info = execSync(`pdfinfo "${pdfPath}"`).toString();
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expect(info).toMatch(/PDF version:/);
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const text = execSync(`pdftotext "${pdfPath}" -`).toString();
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// Title (prepended because fixture has no H1)
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expect(text).toMatch(/Saltwatch/);
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// Section headings
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expect(text).toMatch(/Overview/);
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expect(text).toMatch(/Notable Residents/);
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expect(text).toMatch(/Hooks & Rumors/);
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// Content fragments unique to each section
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expect(text).toMatch(/southern cliffs/);
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expect(text).toMatch(/Maren Kell/);
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expect(text).toMatch(/lighthouse burns blue/);
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// Frontmatter must NOT leak into the rendered text
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expect(text).not.toMatch(/tags:\s*\[/);
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expect(text).not.toMatch(/population:\s*320/);
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// Persist for visual inspection
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const pngStem = path.join(tmpDir, "page");
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execSync(`pdftoppm -png -r 96 -f 1 -l 1 "${pdfPath}" "${pngStem}"`);
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const persistPath = path.resolve(__dirname, "../../.integration-out");
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await fs.mkdir(persistPath, { recursive: true });
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await fs.copyFile(pdfPath, path.join(persistPath, "single-note.pdf"));
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await fs.copyFile(`${pngStem}-1.png`, path.join(persistPath, "single-note-page1.png"));
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});
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it("does not prepend a title when the note already begins with H1", () => {
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const raw = "# My existing title\n\nSome content.";
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expect(ensureLeadingTitle(raw, "Other Name")).toBe(raw);
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});
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});
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// ─── helpers shared with the random-table integration test ─────────────────
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function wrapInFullHtml(markdown: string, title: string): string {
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const inner = miniMarkdownToHtml(markdown);
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const body = wrapInPrintScaffold(title, inner);
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return `<!DOCTYPE html>
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<html><head><meta charset="utf-8"><title>${escapeHtml(title)}</title>
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<style>${PRINT_PATCH_CSS}</style>
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</head><body class="theme-light">${body}</body></html>`;
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}
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/**
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* Minimal markdown→HTML for our exporter's emitted subset:
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* h1/h2/h3, ul (bullets), tables, paragraphs, , `<section>` blocks.
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* NOT a general markdown renderer.
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*/
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function miniMarkdownToHtml(md: string): string {
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const lines = md.split("\n");
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const out: string[] = [];
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let inTable = false;
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let headerEmitted = false;
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let inList = false;
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const closeTable = () => {
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if (inTable) {
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out.push("</tbody></table>");
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inTable = false;
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headerEmitted = false;
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}
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};
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const closeList = () => {
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if (inList) {
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out.push("</ul>");
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inList = false;
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}
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};
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const closeAll = () => {
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closeTable();
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closeList();
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};
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for (const rawLine of lines) {
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const line = rawLine.replace(/\r$/, "");
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if (line.startsWith("### ")) {
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closeAll();
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out.push(`<h3>${escapeHtml(line.slice(4))}</h3>`);
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continue;
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}
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if (line.startsWith("## ")) {
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closeAll();
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out.push(`<h2>${escapeHtml(line.slice(3))}</h2>`);
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continue;
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}
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if (line.startsWith("# ")) {
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closeAll();
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out.push(`<h1>${escapeHtml(line.slice(2))}</h1>`);
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continue;
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}
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if (/^-{3,}\s*$/.test(line)) {
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closeAll();
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out.push("<hr>");
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continue;
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}
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if (line.startsWith("<")) {
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closeAll();
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out.push(line);
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continue;
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}
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if (/^[-*] /.test(line)) {
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closeTable();
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if (!inList) {
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out.push("<ul>");
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inList = true;
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}
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out.push(`<li>${renderInline(line.slice(2))}</li>`);
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continue;
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}
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if (line.trim() === "") {
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closeAll();
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continue;
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}
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if (line.startsWith("|")) {
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closeList();
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const cells = line.split("|").slice(1, -1).map((c) => c.trim());
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if (cells.every((c) => /^[\-:]+$/.test(c))) continue;
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if (!inTable) {
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out.push("<table><thead>");
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inTable = true;
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}
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if (!headerEmitted) {
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out.push("<tr>" + cells.map((c) => `<th>${renderInline(c)}</th>`).join("") + "</tr>");
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out.push("</thead><tbody>");
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headerEmitted = true;
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} else {
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out.push("<tr>" + cells.map((c) => `<td>${renderInline(c)}</td>`).join("") + "</tr>");
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}
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continue;
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}
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closeAll();
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out.push(`<p>${renderInline(line)}</p>`);
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}
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closeAll();
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return out.join("\n");
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}
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function renderInline(s: string): string {
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return s
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.replace(/!\[([^\]]*)\]\(([^)]+)\)/g, (_m, alt, url) =>
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`<img src="${url.replace(/"/g, """)}" alt="${escapeHtml(alt)}">`,
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)
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.split(/(<img[^>]*>)/)
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.map((chunk) => {
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if (chunk.startsWith("<img")) return chunk;
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return escapeHtml(chunk)
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.replace(/\*\*([^*]+)\*\*/g, "<strong>$1</strong>")
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.replace(/\*([^*]+)\*/g, "<em>$1</em>")
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.replace(/\\\|/g, "|");
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})
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.join("");
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}
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