fix(email): inherit button brand colors across render targets
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Clintchiz committed
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@@ -35,8 +35,10 @@ const attrs = (node: BlockNode) => node.props as Record<string, unknown>;
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export const ampLayoutClass = (node: BlockNode) =>
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"wrn-layout-" + Array.from(node.id, char => char.codePointAt(0)!.toString(16)).join("-");
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export function ampLayoutCss(node: BlockNode): string {
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export function ampLayoutCss(node: BlockNode, brandLinkColor?: string): string {
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const props = attrs(node);
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if (node.type === "content.button")
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return `.button.${ampLayoutClass(node)}{background-color:${buttonBackground(node, { brandLinkColor })}}`;
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if (node.type === "layout.section") {
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const background = safeCssValue(props.background, /^(#[0-9a-f]{3,8}|rgba?\([0-9., %]+\))$/i) || "#ffffff";
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const padding = safeCssValue(props.padding, /^\d+(?:\.\d+)?(?:px|rem|em|%)?(?:\s+\d+(?:\.\d+)?(?:px|rem|em|%)?){0,3}$/) || "24px";
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@@ -97,6 +99,11 @@ const semanticStyle = (node: BlockNode) => {
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if (weight) declarations.push(`font-weight:${weight}`);
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return declarations.join(";");
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};
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const buttonBackground = (node: BlockNode, context: unknown) => {
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const override = safeCssValue(styleBase(node, "backgroundColor"), /^(#[0-9a-f]{3,8}|rgba?\([0-9., %]+\))$/i);
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const brand = (context as { brandLinkColor?: string } | undefined)?.brandLinkColor;
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return override || (brand && brandColor("#2563eb").parse(brand).ok ? brand : "#2563eb");
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};
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const emailCell = (body: string, node: BlockNode) =>
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`<tr><td data-block-id="${html(node.id)}" style="padding:0;${semanticStyle(node)}">${body}</td></tr>`;
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@@ -166,7 +173,7 @@ export const sectionBlock = defineBlock({
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renderers: {
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emailHtml: ({ node, slots }) =>
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emailCell(
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`<table role="presentation" width="100%" cellpadding="0" cellspacing="0" border="0"><tr><td style="background:${html(attrs(node).background)};padding:${html(attrs(node).padding)};"><table role="presentation" width="100%" cellpadding="0" cellspacing="0" border="0">${slots.content}</table></td></tr></table>`,
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`<table role="presentation" width="100%" cellpadding="0" cellspacing="0" border="0"><tr><td style="background:${html(attrs(node).background ?? "#ffffff")};padding:${html(attrs(node).padding ?? "24px")};"><table role="presentation" width="100%" cellpadding="0" cellspacing="0" border="0">${slots.content}</table></td></tr></table>`,
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node,
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),
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ampEmail: ({ node, slots }) =>
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@@ -179,7 +186,7 @@ export const sectionBlock = defineBlock({
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const body = children.length === 1 && children[0]?.type === "layout.columns"
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? slots.content
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: `<mj-column>${slots.content}</mj-column>`;
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return `<mj-section background-color="${html(attrs(node).background)}" padding="${html(attrs(node).padding)}">${body}</mj-section>`;
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return `<mj-section background-color="${html(attrs(node).background ?? "#ffffff")}" padding="${html(attrs(node).padding ?? "24px")}">${body}</mj-section>`;
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},
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},
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textRenderer: ({ slots }) => `${slots.content}\n`,
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@@ -358,18 +365,18 @@ export const buttonBlock = leaf(
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href: safeUrl({ schemes: ["https", "mailto"] }),
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}) as never,
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{
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emailHtml: ({ node }) =>
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emailHtml: ({ node, context }) =>
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emailCell(
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`<table role="presentation"><tr><td bgcolor="#2563eb" style="border-radius:6px;"><a href="${html(attrs(node).href)}" style="color:#ffffff;display:inline-block;font-family:inherit;font-weight:700;padding:12px 20px;text-decoration:none;">${html(attrs(node).label)}</a></td></tr></table>`,
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`<table role="presentation"><tr><td bgcolor="${html(buttonBackground(node, context))}" style="border-radius:6px;"><a href="${html(attrs(node).href)}" style="color:#ffffff;display:inline-block;font-family:inherit;font-weight:700;padding:12px 20px;text-decoration:none;">${html(attrs(node).label)}</a></td></tr></table>`,
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node,
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),
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ampEmail: ({ node }) =>
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emailCell(
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`<a class="button" href="${html(attrs(node).href)}">${html(attrs(node).label)}</a>`,
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`<a class="button ${ampLayoutClass(node)}" href="${html(attrs(node).href)}">${html(attrs(node).label)}</a>`,
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node,
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),
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mjml: ({ node }) =>
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`<mj-button href="${html(attrs(node).href)}">${html(attrs(node).label)}</mj-button>`,
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mjml: ({ node, context }) =>
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`<mj-button background-color="${html(buttonBackground(node, context))}" href="${html(attrs(node).href)}">${html(attrs(node).label)}</mj-button>`,
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},
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({ node }) => `${String(attrs(node).label)}: ${String(attrs(node).href)}\n\n`,
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);
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@@ -80,7 +80,7 @@ const head = (document: BlockDocument, body: string, direction: "ltr" | "rtl") =
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return `<!doctype html><html lang="${escapeHtml(document.meta.lang)}" dir="${direction}"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><meta name="x-apple-disable-message-reformatting"><meta name="color-scheme" content="light dark"><title>${escapeHtml(document.meta.subject)}</title><style>a{color:${linkColor}}@media only screen and (max-width:480px){.wrn-email{width:100%!important}.wrn-columns{display:block!important}.wrn-column{display:block!important;width:100%!important}}</style></head><body style="margin:0;padding:0;color:${textColor};font-family:${fontFamily};">${document.meta.preheader ? `<div style="display:none;max-height:0;overflow:hidden;opacity:0;">${escapeHtml(document.meta.preheader)}</div>` : ""}${body}</body></html>`;
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};
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const ampHead = (document: BlockDocument, body: string, direction: "ltr" | "rtl") => {
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const layoutCss = (node: BlockDocument["root"]): string => ampLayoutCss(node) + Object.values(node.slots).flat().map(layoutCss).join("");
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const layoutCss = (node: BlockDocument["root"]): string => ampLayoutCss(node, String(document.root.props.linkColor ?? "#2563eb")) + Object.values(node.slots).flat().map(layoutCss).join("");
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const props = document.root.props as Record<string, unknown>;
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const css = `@media only screen and (max-width:480px){.email-body .wrn-columns{display:block}.email-body .wrn-column{display:block;width:100%}}.marketing-image img{object-fit:contain}body{margin:0;color:${props.textColor ?? "#111827"};font-family:${props.fontFamily ?? "Arial, sans-serif"}}a{color:${props.linkColor ?? "#2563eb"}}.email-bg{background:${props.background ?? "#f3f4f6"}}.email-body{max-width:${props.width ?? "600"}px;width:100%;background:${props.contentBackground ?? "#ffffff"}}`;
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return `<!doctype html><html amp4email data-css-strict lang="${escapeHtml(document.meta.lang)}" dir="${direction}"><head><meta charset="utf-8"><script async src="https://cdn.ampproject.org/v0.js"></script><style amp4email-boilerplate>body{visibility:hidden}</style><style amp-custom>${css}${layoutCss(document.root)}.button{background:#2563eb;border-radius:6px;color:#fff;display:inline-block;font-weight:700;padding:12px 20px;text-decoration:none}</style></head><body>${body}</body></html>`;
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@@ -138,6 +138,7 @@ export async function renderEmail(
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timezone: options.timezone ?? "UTC",
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direction: options.direction ?? "ltr",
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countdownImageUrl: options.countdownImageUrl,
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brandLinkColor: String(source.root.props.linkColor ?? "#2563eb"),
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};
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const [htmlResult, textResult, mjmlResult] = await Promise.all([
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renderTree(source, emailKind, registry, { ...base, target: "emailHtml", data: options.variables }),
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