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Merge pull request #42 from boehs/charts
Add charts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| import pintora from "@pintora/standalone"; | ||
| import { JSDOM } from "jsdom"; | ||
|
|
||
| if (process.env.ELEVENTY_ENV == "production") { | ||
| await import("./wintercg.js"); | ||
| } | ||
|
|
||
| class GlobalPatcher { | ||
| records = {}; | ||
| set(k, v) { | ||
| const prevValue = globalThis[k]; | ||
| this.records[k] = { | ||
| prevValue, | ||
| value: v, | ||
| }; | ||
|
|
||
| globalThis[k] = v; | ||
| } | ||
|
|
||
| restore() { | ||
| for (const k in this.records) { | ||
| if (globalThis[k] === this.records[k].value) { | ||
| globalThis[k] = this.records[k].prevValue; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| const patcher = new GlobalPatcher(); | ||
|
|
||
| function createContainer() { | ||
| const dom = new JSDOM("<!DOCTYPE html><body></body>"); | ||
| const document = dom.window.document; | ||
| const container = document.createElement("div"); | ||
| container.id = "pintora-container"; | ||
| patcher.set("window", dom.window); | ||
| patcher.set("document", document); | ||
| return container; | ||
| } | ||
|
|
||
| export default function renderPintora(code) { | ||
| return new Promise((resolve, reject) => { | ||
| const container = createContainer(); | ||
| pintora.renderTo(code, { | ||
| container, | ||
| renderer: "svg", | ||
| containerSize: { | ||
| width: 600, | ||
| }, | ||
| onRender: (renderer) => { | ||
| const rootElement = renderer.getRootElement(); | ||
| rootElement.setAttribute("xmlns", "http://www.w3.org/2000/svg"); | ||
| rootElement.classList.add("pintora"); | ||
| const html = rootElement.outerHTML; | ||
| patcher.restore(); | ||
| resolve(html); | ||
| }, | ||
| config: { | ||
| core: { | ||
| defaultFontFamily: "'Input Mono Compressed', monospace", | ||
| }, | ||
| themeConfig: { | ||
| themeVariables: { | ||
| primaryColor: "var(--light)", | ||
| canvasBackground: "transparent", | ||
| textColor: "var(--fg2)", | ||
| }, | ||
| }, | ||
| sequence: { | ||
| diagramPadding: 0, | ||
| messageFontSize: 13, | ||
| actorLineColor: "var(--fg2)", | ||
| }, | ||
| }, | ||
| }); | ||
| }); | ||
| } | ||
|
|
||
| /** | ||
| * Replaces Pintora placeholders with rendered SVGs. | ||
| */ | ||
| export async function injectPintora(result) { | ||
| if (result.includes("___PINTORA_")) { | ||
| const pintoraBlocks = []; | ||
| const regex = /___PINTORA_(\w+)_(.*?)_/gs; | ||
| let match; | ||
| while ((match = regex.exec(result)) !== null) { | ||
| pintoraBlocks.push({ id: match[1], content: match[2] }); | ||
| } | ||
| for (const block of pintoraBlocks) { | ||
| const rendered = await renderPintora(block.content); | ||
| result = result.replace( | ||
| `___PINTORA_${block.id}_${block.content}_`, | ||
| rendered, | ||
| ); | ||
| } | ||
| } | ||
| return result; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| /** | ||
| * In wintercg runtimes (assuming build on ci) we import our own ttf because it probably doesn't exist | ||
| */ | ||
|
|
||
| import { textMetrics } from "@pintora/standalone"; | ||
| import { create } from "fontkit"; | ||
| import { readFileSync } from "fs"; | ||
| import { join } from "path"; | ||
|
|
||
| const b = readFileSync( | ||
| join(import.meta.dirname, "../../../src/_public/office.ttf"), | ||
| ); | ||
| const defaultFont = create(b); | ||
| const fonts = { | ||
| "sans-serif": defaultFont, | ||
| "Source Code Pro": defaultFont, | ||
| }; | ||
|
|
||
| class FontkitCalculator { | ||
| name = "fontkit"; | ||
| getLineMetric(text, fontConfig) { | ||
| const fontSize = fontConfig?.fontSize || 14; | ||
| const fontName = fontConfig?.fontFamily || "sans-serif"; | ||
| const font = fonts[fontName] || defaultFont; | ||
| const glyph = font.layout(text); | ||
| const sizeUnit = fontSize / font.unitsPerEm; | ||
| // const width = glyph.glyphs.reduce((last, curr) => last + curr.cbox.width, 0) * sizeUnit | ||
| const width = glyph.bbox.width * sizeUnit; // fine | ||
|
|
||
| const glyphActualMaxHeight = | ||
| glyph.glyphs.reduce( | ||
| (last, curr) => Math.max(last, curr.cbox.height), | ||
| 0, | ||
| ) * sizeUnit; | ||
| const height = glyphActualMaxHeight; | ||
|
|
||
| const actualBoundingBoxAscent = height; | ||
| // console.log('line:', text, 'width', width, 'actualBoundingBoxAscent', actualBoundingBoxAscent) | ||
| const actualBoundingBoxDescent = 0; | ||
| return { | ||
| actualBoundingBoxAscent, | ||
| actualBoundingBoxDescent, | ||
| width, | ||
| }; | ||
| } | ||
|
|
||
| calculateTextDimensions(text, font) { | ||
| const lines = text.split("\n"); | ||
| let width = 0; | ||
| let height = 0; | ||
| const fontSize = font?.fontSize || 14; | ||
| lines.forEach((line, i) => { | ||
| const lineMetric = this.getLineMetric(line, font); | ||
| const w = lineMetric.width; | ||
| width = Math.max(w, width); | ||
| let lineHeight = fontSize; | ||
| if ("actualBoundingBoxDescent" in lineMetric) { | ||
| lineHeight = | ||
| lineMetric.actualBoundingBoxAscent + | ||
| lineMetric.actualBoundingBoxDescent; | ||
| } | ||
| height += lineHeight; | ||
| }); | ||
| return { | ||
| width, | ||
| height, | ||
| }; | ||
| } | ||
| } | ||
|
|
||
| textMetrics.setImpl(new FontkitCalculator()); |
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