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| 1 | +/* |
| 2 | + * cmd.ts |
| 3 | + * |
| 4 | + * Copyright (C) 2025 Posit Software, PBC |
| 5 | + */ |
| 6 | + |
| 7 | +import { Command } from "cliffy/command/mod.ts"; |
| 8 | +import { quartoCacheDir } from "../../../core/appdirs.ts"; |
| 9 | +import { quartoConfig } from "../../../core/quarto.ts"; |
| 10 | +import { |
| 11 | + ensureDir, |
| 12 | + moveSync, |
| 13 | + safeRemoveDirSync, |
| 14 | +} from "../../../deno_ral/fs.ts"; |
| 15 | +import { basename, dirname, join } from "../../../deno_ral/path.ts"; |
| 16 | +import { copy } from "fs/copy"; |
| 17 | +import { resourcePath } from "../../../core/resources.ts"; |
| 18 | +import { execProcess } from "../../../core/process.ts"; |
| 19 | + |
| 20 | +const ensureTracingToolsCopied = async () => { |
| 21 | + const cacheDir = quartoCacheDir(); |
| 22 | + const tracingDir = `${cacheDir}/ast-tracing`; |
| 23 | + await ensureDir(tracingDir); |
| 24 | + safeRemoveDirSync(join(tracingDir, "qmd"), cacheDir); |
| 25 | + await copy( |
| 26 | + resourcePath(join("tools", "ast-tracing")), |
| 27 | + join(tracingDir, "qmd"), |
| 28 | + ); |
| 29 | + return join(tracingDir, "qmd"); |
| 30 | +}; |
| 31 | + |
| 32 | +export const showAstTraceCommand = new Command() |
| 33 | + .name("show-ast-trace") |
| 34 | + .hidden() |
| 35 | + .arguments("<arguments...>") |
| 36 | + .description( |
| 37 | + "Renders the document with AST tracing enabled and then shows the debugging output.\n\n", |
| 38 | + ) |
| 39 | + .action(async (_options: unknown, input: string, ...args: string[]) => { |
| 40 | + const toolsPath = await ensureTracingToolsCopied(); |
| 41 | + |
| 42 | + const dir = dirname(input); |
| 43 | + const base = basename(input, ".qmd"); |
| 44 | + const traceName = join(dir, `${base}-quarto-ast-trace.json`); |
| 45 | + |
| 46 | + const renderOpts = { |
| 47 | + cmd: "quarto", |
| 48 | + env: { |
| 49 | + "QUARTO_TRACE_FILTERS": traceName, |
| 50 | + }, |
| 51 | + args: [ |
| 52 | + "render", |
| 53 | + input, |
| 54 | + ...args, |
| 55 | + "--quiet", |
| 56 | + ], |
| 57 | + }; |
| 58 | + const _renderResult = await execProcess(renderOpts); |
| 59 | + // we don't check for errors here because we want to show the trace even if |
| 60 | + // the render fails |
| 61 | + |
| 62 | + moveSync(traceName, join(toolsPath, basename(traceName))); |
| 63 | + |
| 64 | + const _previewResult = await execProcess({ |
| 65 | + cmd: "quarto", |
| 66 | + cwd: toolsPath, |
| 67 | + args: [ |
| 68 | + "preview", |
| 69 | + "trace-viewer.qmd", |
| 70 | + "-M", |
| 71 | + `trace_1:${basename(traceName)}`, |
| 72 | + ], |
| 73 | + }); |
| 74 | + }); |
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