build: add precompiled CLI distribution
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import { readFile } from 'node:fs/promises';
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import { parseSync } from '@slidev/parser';
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const canvasHeight = 768;
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const canvasWidth = 1024;
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const slidePaddingX = 52;
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const slidePaddingY = 42;
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const contentHeight = canvasHeight - slidePaddingY * 2;
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const contentWidth = canvasWidth - slidePaddingX * 2;
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const twoColumnGap = 46;
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const baseFontSize = 32;
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const baseLineHeight = baseFontSize * 1.42;
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const verticalRiskTolerance = 1.08;
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const codeHeightPresets = new Map([
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['easy-code-height-sm', 180],
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['easy-code-height-md', 300],
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['easy-code-height-lg', 420],
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]);
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export class StaticOverflowAuditor {
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cache = new Map();
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onAnalyzeSlide;
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constructor(options = {}) {
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this.onAnalyzeSlide = options.onAnalyzeSlide;
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}
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async audit(decks) {
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const result = { errors: [], issues: [] };
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for (const deck of decks) {
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try {
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result.issues.push(...await this.auditDeck(deck));
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}
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catch (error) {
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result.errors.push({
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deck,
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message: error instanceof Error ? error.message : String(error),
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});
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}
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}
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return result;
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}
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async auditDeck(deck) {
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const source = await readFile(deck.entry, 'utf8');
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const parsed = parseSync(source, deck.entry);
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const previous = this.cache.get(deck.entry) ?? new Map();
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const next = new Map();
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const issues = [];
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parsed.slides.forEach((slide, index) => {
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const number = index + 1;
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const fingerprint = slide.revision ?? slide.raw;
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const cached = previous.get(number);
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if (cached?.fingerprint === fingerprint) {
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next.set(number, cached);
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issues.push(...cached.issues);
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return;
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}
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this.onAnalyzeSlide?.(deck, number);
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const slideIssues = analyzeSlide(deck, number, slide);
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next.set(number, { fingerprint, issues: slideIssues });
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issues.push(...slideIssues);
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});
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this.cache.set(deck.entry, next);
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return issues;
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}
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}
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export async function auditStaticDecks(decks) {
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return await new StaticOverflowAuditor().audit(decks);
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}
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function analyzeSlide(deck, number, slide) {
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const content = stripComments(slide.content);
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const layout = String(slide.frontmatter.layout ?? (number === 1 ? 'cover' : 'default'));
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const classNames = normalizeClasses(slide.frontmatter.class);
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const heading = slide.title?.trim() || extractHeading(content);
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const estimates = estimateSlide(content, layout, classNames, String(slide.frontmatter.imagePlacement ?? 'auto'));
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const directions = [];
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if (estimates.some(estimate => estimate.height > contentHeight * verticalRiskTolerance))
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directions.push('vertical');
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if (estimates.some(estimate => estimate.horizontalRisk))
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directions.push('horizontal');
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if (!directions.length)
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return [];
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const reason = directions.length === 2
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? '估算内容高度超过画布容量，且存在无法可靠换行的宽内容'
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: directions[0] === 'vertical'
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? '估算内容高度超过 easy-jyy 画布容量'
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: '存在无法可靠换行的宽内容';
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return [{ deck, directions, heading, reason, slide: number }];
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}
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function estimateSlide(content, layout, classNames, imagePlacement) {
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if (layout === 'two-cols') {
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const slots = splitTwoColumnContent(content);
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const headingEstimate = estimateRegion(slots.before, contentWidth, layout, classNames);
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const columnWidth = (contentWidth - twoColumnGap) / 2;
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const left = estimateRegion(slots.left, columnWidth, layout, classNames);
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const right = estimateRegion(slots.right, columnWidth, layout, classNames);
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return [
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{
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height: headingEstimate.height + Math.max(left.height, right.height),
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horizontalRisk: headingEstimate.horizontalRisk || left.horizontalRisk || right.horizontalRisk,
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},
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];
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}
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const splitImageLayout = ['image-left', 'image-right'].includes(layout)
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|| (layout === 'image-auto' && ['left', 'right'].includes(imagePlacement));
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const width = splitImageLayout ? (contentWidth - 42) / 2 : contentWidth;
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return [estimateRegion(content, width, layout, classNames)];
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}
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function splitTwoColumnContent(content) {
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const leftMarker = /^::left::\s*$/m;
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const rightMarker = /^::right::\s*$/m;
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const leftMatch = leftMarker.exec(content);
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const rightMatch = rightMarker.exec(content);
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if (!leftMatch && !rightMatch)
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return { before: content, left: '', right: '' };
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const firstIndex = Math.min(leftMatch?.index ?? Number.POSITIVE_INFINITY, rightMatch?.index ?? Number.POSITIVE_INFINITY);
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const before = content.slice(0, firstIndex);
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const left = leftMatch
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? content.slice(leftMatch.index + leftMatch[0].length, rightMatch && rightMatch.index > leftMatch.index ? rightMatch.index : undefined)
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: '';
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const right = rightMatch
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? content.slice(rightMatch.index + rightMatch[0].length, leftMatch && leftMatch.index > rightMatch.index ? leftMatch.index : undefined)
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: '';
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return { before, left, right };
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}
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function estimateRegion(markdown, width, layout, classNames) {
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const lines = markdown.replace(/\r/g, '').split('\n');
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let height = 0;
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let horizontalRisk = false;
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for (let index = 0; index < lines.length;) {
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const raw = lines[index];
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const line = raw.trim();
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if (!line || isStructuralLine(line)) {
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index++;
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continue;
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}
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const fence = /^(?:`{3,}|~{3,})([^\s{]*)/.exec(line);
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if (fence) {
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const marker = line.startsWith('`') ? '`' : '~';
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const markerLength = line.match(new RegExp(`^\\${marker}+`))?.[0].length ?? 3;
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const language = fence[1].toLowerCase();
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let end = index + 1;
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while (end < lines.length && !new RegExp(`^\\s*\\${marker}{${markerLength},}`).test(lines[end]))
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end++;
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if (language === 'mermaid')
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height += 180;
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else
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height += explicitCodeHeight(lines, index, classNames);
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index = Math.min(lines.length, end + 1);
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continue;
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}
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const heading = /^(#{1,4})\s+(.+)$/.exec(line);
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if (heading) {
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const level = heading[1].length;
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const fontSize = level === 1 ? (layout === 'cover' ? 68 : 60) : level === 2 ? 48 : level === 3 ? 38 : 32;
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const wraps = wrappedLines(heading[2], width, fontSize);
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const margins = level === 1 ? 26 : level === 2 ? 39 : level === 3 ? 34 : 24;
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height += wraps * fontSize * 1.15 + margins;
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horizontalRisk ||= hasHorizontalRisk(heading[2], width, fontSize);
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index++;
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continue;
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}
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if (line === '$$' || line.startsWith('$$')) {
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let end = index + 1;
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while (end < lines.length && !lines[end].includes('$$'))
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end++;
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height += 82 + Math.max(0, end - index - 2) * 38;
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index = Math.min(lines.length, end + 1);
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continue;
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}
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if (isStandaloneImage(line)) {
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height += canvasHeight * 0.46 + 16;
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index++;
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continue;
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}
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if (isTableRow(line) && isTableSeparator(lines[index + 1] ?? '')) {
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const tableLines = [line];
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index += 2;
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while (index < lines.length && isTableRow(lines[index].trim())) {
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tableLines.push(lines[index].trim());
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index++;
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}
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const columnCount = Math.max(1, splitTableRow(tableLines[0]).length);
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const cellWidth = width / columnCount - 28;
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for (const row of tableLines) {
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const rowWraps = Math.max(...splitTableRow(row).map(cell => wrappedLines(cell, cellWidth, 30)), 1);
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height += rowWraps * 30 * 1.42 + 20;
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}
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continue;
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}
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if (isListLine(line)) {
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const items = [];
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while (index < lines.length && (isListLine(lines[index].trim()) || /^\s{2,}\S/.test(lines[index]))) {
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if (isListLine(lines[index].trim()))
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items.push(lines[index].trim().replace(/^(?:[-+*]|\d+[.)])\s+/, ''));
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index++;
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}
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const itemHeight = items.reduce((sum, item) => sum + wrappedLines(item, width - baseFontSize * 1.2, baseFontSize) * baseLineHeight, 0);
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height += itemHeight + Math.max(0, items.length - 1) * 10 + 28;
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horizontalRisk ||= items.some(item => hasHorizontalRisk(item, width - baseFontSize * 1.2, baseFontSize));
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continue;
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}
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if (line.startsWith('>')) {
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const quote = [];
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while (index < lines.length && lines[index].trim().startsWith('>')) {
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quote.push(lines[index].trim().replace(/^>\s?/, ''));
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index++;
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}
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const fontSize = layout === 'quote' ? 46 : baseFontSize;
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height += wrappedLines(quote.join(' '), width - 29, fontSize) * fontSize * (layout === 'quote' ? 1.35 : 1.42) + 48;
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horizontalRisk ||= hasHorizontalRisk(quote.join(' '), width - 29, fontSize);
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continue;
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}
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const paragraph = [];
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while (index < lines.length && !isBlockStart(lines, index)) {
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const text = stripMarkup(lines[index]);
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if (text)
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paragraph.push(text);
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index++;
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}
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if (paragraph.length) {
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const text = paragraph.join(' ');
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height += wrappedLines(text, width, baseFontSize) * baseLineHeight + 28;
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horizontalRisk ||= hasHorizontalRisk(text, width, baseFontSize);
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}
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else {
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index++;
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}
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}
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horizontalRisk ||= explicitWidthRisk(markdown, width);
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return { height, horizontalRisk };
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}
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function isBlockStart(lines, index) {
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const line = lines[index].trim();
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if (!line || isStructuralLine(line) || /^(?:`{3,}|~{3,}|#{1,4}\s|\$\$|>)/.test(line))
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return true;
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if (isStandaloneImage(line) || isListLine(line))
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return true;
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return isTableRow(line) && isTableSeparator(lines[index + 1] ?? '');
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}
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function explicitCodeHeight(lines, fenceIndex, classNames) {
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const nearby = `${classNames.join(' ')} ${lines.slice(Math.max(0, fenceIndex - 8), fenceIndex + 1).join(' ')}`;
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for (const [className, height] of codeHeightPresets) {
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if (new RegExp(`(?:^|\\s|["'])${className}(?:$|\\s|["'])`).test(nearby))
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return height;
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}
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const inlineHeight = /(?:height|max-height)\s*:\s*(\d+(?:\.\d+)?)px/i.exec(nearby);
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return inlineHeight ? Number.parseFloat(inlineHeight[1]) : 0;
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}
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function wrappedLines(value, width, fontSize) {
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const available = Math.max(1, width / fontSize);
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return Math.max(1, Math.ceil(displayWidth(stripMarkup(value)) / available));
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}
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function displayWidth(value) {
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let width = 0;
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for (const character of value) {
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if (/\s/.test(character))
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width += 0.33;
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else if (/[\u1100-\u115f\u2e80-\ua4cf\uac00-\ud7a3\uf900-\ufaff\ufe10-\ufe6f\uff01-\uff60\uffe0-\uffe6]/.test(character))
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width += 1;
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else
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width += 0.56;
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}
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return width;
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}
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function hasHorizontalRisk(value, width, fontSize) {
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const available = width / fontSize;
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return stripMarkup(value)
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.split(/\s+/)
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.some(token => !/[\u2e80-\u9fff]/.test(token) && displayWidth(token) > available * 1.05);
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}
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function explicitWidthRisk(markdown, width) {
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for (const match of markdown.matchAll(/(?:width\s*:\s*|width\s*=\s*["']?)(\d+(?:\.\d+)?)px/gi)) {
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if (Number.parseFloat(match[1]) > width)
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return true;
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}
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return false;
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}
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function normalizeClasses(value) {
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if (Array.isArray(value))
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return value.flatMap(item => String(item).split(/\s+/)).filter(Boolean);
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return String(value ?? '').split(/\s+/).filter(Boolean);
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}
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function extractHeading(markdown) {
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return /^(?:#{1,4})\s+(.+)$/m.exec(markdown)?.[1].trim() ?? '';
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}
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function stripComments(markdown) {
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return markdown.replace(/<!--[\s\S]*?-->/g, '');
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}
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function stripMarkup(value) {
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return value
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.replace(/!\[[^\]]*\]\([^)]*\)(?:\{[^}]*\})?/g, '')
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.replace(/\[([^\]]+)\]\([^)]*\)/g, '$1')
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.replace(/<[^>]+>/g, ' ')
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.replace(/[`*_~]/g, '')
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.trim();
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}
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function isStructuralLine(line) {
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return /^::(?:left|right|image)::$/i.test(line)
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|| /^<\/?(?:v-clicks|div|span|template|slot)(?:\s[^>]*)?>$/i.test(line);
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}
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function isStandaloneImage(line) {
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return /^!\[[^\]]*\]\([^)]*\)(?:\{[^}]*\})?$/.test(line);
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}
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function isListLine(line) {
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return /^(?:[-+*]|\d+[.)])\s+/.test(line);
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}
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function isTableRow(line) {
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return line.includes('|');
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}
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function isTableSeparator(line) {
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return /^\s*\|?\s*:?-{3,}:?(?:\s*\|\s*:?-{3,}:?)+\s*\|?\s*$/.test(line);
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}
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function splitTableRow(line) {
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return line.replace(/^\s*\||\|\s*$/g, '').split('|').map(cell => cell.trim());
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}
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//# sourceMappingURL=static-overflow.js.map
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