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c91cd221d1
CI / Lint + tests (push) Has been cancelled
Ship a shared markdown/prompt core used by a Brave/Chrome MV3 extension and a Python automation API, with pytest coverage, CI, and packaging smoke.
100 lines
3.8 KiB
JavaScript
100 lines
3.8 KiB
JavaScript
// core/prompt.js — shared AI-prompt formatter (Context Extractor)
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//
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// Pure string formatting, no DOM/chrome.* dependency. Shared by:
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// 1. Extension popup (popup.html loads this before popup.js).
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// 2. Automation (evaluated in-page via page.evaluate so both surfaces
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// produce byte-identical output for the same inputs).
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//
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// store shape: { console: [{level,ts,msg}], errors: [{type,ts,msg,source,line,col,stack}],
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// network: [{type,method,url,status,ts,duration,error}] }
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// meta shape: { url, title, ts, selector }
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//
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// markdown is capped at maxChars (default 20,000) before it goes in the
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// prompt. Extracting the whole <body> of a JS-heavy SPA easily produces
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// hundreds of thousands of characters (LinkedIn: 700k+) — most LLM context
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// windows can't take that, and it's rarely what you want to paste anyway.
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// Pass a tighter selector (or a larger maxChars) instead of relying on this
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// cap for real content; it exists as a safety net, not a summarizer.
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const DEFAULT_MAX_MARKDOWN_CHARS = 20000;
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function buildAIPrompt(meta, markdown, store, maxChars) {
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const limit = maxChars || DEFAULT_MAX_MARKDOWN_CHARS;
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const parts = [];
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parts.push("# Page Context");
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if (meta) {
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if (meta.url) parts.push(`- URL: ${meta.url}`);
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if (meta.title) parts.push(`- Title: ${meta.title}`);
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if (meta.ts) parts.push(`- Captured: ${new Date(meta.ts).toISOString()}`);
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if (meta.selector) parts.push(`- Selector: \`${meta.selector}\``);
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}
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parts.push("");
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const trimmed = markdown && markdown.trim();
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if (trimmed) {
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const truncated = trimmed.length > limit;
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const heading = truncated
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? `## Page Content (truncated to ${limit.toLocaleString()} of ${trimmed.length.toLocaleString()} chars — use a narrower selector to see more)`
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: "## Page Content";
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parts.push(heading);
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parts.push("");
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parts.push(truncated ? trimmed.slice(0, limit) + "\n…" : trimmed);
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parts.push("");
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}
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const errors = (store && store.errors) || [];
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if (errors.length) {
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parts.push("## JavaScript Errors");
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parts.push("");
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errors.forEach((e, i) => {
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const where = [e.source, e.line ? "line " + e.line : "", e.col ? "col " + e.col : ""]
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.filter(Boolean).join(" ");
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parts.push(`### ${i + 1}. ${e.type || "error"}: ${e.msg || ""}`);
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if (where) parts.push(`- Location: ${where}`);
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if (e.ts) parts.push(`- Time: ${new Date(e.ts).toISOString()}`);
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if (e.stack) {
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parts.push("");
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parts.push("```");
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parts.push(e.stack);
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parts.push("```");
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}
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parts.push("");
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});
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}
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const consoleEntries = (store && store.console) || [];
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const consoleIssues = consoleEntries.filter((c) => c.level === "error" || c.level === "warn");
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if (consoleIssues.length) {
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parts.push("## Console Errors & Warnings");
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parts.push("");
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consoleIssues.forEach((c) => {
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parts.push(`- [${(c.level || "log").toUpperCase()}] ${c.msg || ""}`);
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});
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parts.push("");
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}
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const network = (store && store.network) || [];
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const failed = network.filter((n) => (n.status >= 400) || n.error);
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if (failed.length) {
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parts.push("## Failed Requests");
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parts.push("");
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failed.forEach((n) => {
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const status = n.error ? "ERR" : n.status;
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parts.push(`- ${n.method || "GET"} ${status} ${n.url}${n.duration ? " (" + n.duration + "ms)" : ""}${n.error ? " — " + n.error : ""}`);
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});
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parts.push("");
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} else if (network.length) {
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parts.push("## Recent Requests");
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parts.push("");
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network.slice(-15).forEach((n) => {
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parts.push(`- ${n.method || "GET"} ${n.status || "—"} ${n.url}${n.duration ? " (" + n.duration + "ms)" : ""}`);
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});
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parts.push("");
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}
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parts.push("---");
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parts.push("_Extracted by Context Extractor_");
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return parts.join("\n");
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}
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