const { lazy } = require('@squeep/lazy-property');
+
+/**
+ * Set up expected fields for how we handle error reporting
+ * and whatnot.
+ * @param {object} ctx context
+ */
+const initContext = (ctx) => {
+ ctx.errors = [];
+ ctx.notifications = [];
+};
+
/**
* Some fields may have values outside normal dates, handle them here.
- * @param {Date} date
- * @param {String} otherwise
+ * @param {Date|number} date potential Date or epoch milliseconds
+ * @param {string} otherwise returned if date is not a date
+ * @returns {string} date or otherwise
*/
const dateOrNot = (date, otherwise) => {
if (!date) {
* Why is rendering a Date as a string this complicated?
* We handle the infinities because pg-promise might provide those in
* lieu of a Date object from timestamp fields.
- * @param {Date|Number|String} date
- * @param {String=} pInf
- * @param {String=} nInf
- * @param {String=} otherwise
+ * @param {Date|number|string} date Date, epoch milliseconds, or date string
+ * @param {string=} pInf returned if date is +Infinity
+ * @param {string=} nInf returned if date is -Infinity
+ * @param {string=} otherwise returned if date is something else
+ * @returns {string} rendered date
*/
const dateFormat = (date, pInf = 'Never', nInf = 'Forever', otherwise = '') => {
const isDatableType = ['number', 'string'].includes(typeof date);
});
+/**
+ * Wrap a Date in a <time> element block.
+ * @param {Date} date date
+ * @param {object} options options
+ * @param {string=} options.title title attr for time element
+ * @returns {string} time element
+ */
+const timeElement = (date, options = {}) => {
+ const {
+ title,
+ pInf,
+ nInf,
+ otherwise,
+ } = options;
+ const attributes = {
+ ...(title && { title }),
+ ...(date instanceof Date && { datetime: date.toISOString() }),
+ };
+ return [
+ '<time',
+ elementAttributes(attributes),
+ '>',
+ dateFormat(date, pInf, nInf, otherwise),
+ '</time>',
+ ].join('');
+};
+
+
/**
* Render a duration.
- * @param {Number} seconds
- * @returns {String}
+ * @param {number} seconds duration
+ * @returns {string} readable duration
*/
const secondsToPeriod = (seconds) => {
let value = seconds;
result.push(`${r} ${label}${r != 1 ? 's' : ''}`);
}
value = factor ? Math.floor(value / factor) : value;
- }
+ };
nextResult(60, 'second');
nextResult(60, 'minute');
};
+/**
+ * Return array of strings prefixed with tabs.
+ * @param {number} indent depth
+ * @param {string[]} list items to indent by depth
+ * @returns {string[]} indented items
+ */
+const indented = (indent, list) => {
+ const spacer = '\t'.repeat(indent);
+ return list.map((l) => `${spacer}${l}`);
+};
+
+
/**
* Render the preamble <head> for an HTML page.
- * @param {Number} pagePathLevel number of paths below root this page is
- * @param {Object} ctx
- * @param {Object} options
- * @param {String[]=} options.headElements
- * @param {String=} options.pageTitle
- * @returns {String}
+ * @param {number} pagePathLevel number of paths below root this page is
+ * @param {object} ctx context
+ * @param {object} options options
+ * @param {string[]=} options.headElements element strings to add to html head element
+ * @param {string=} options.pageTitle title of page
+ * @returns {string} populated head element
*/
function htmlHead(pagePathLevel, ctx, options) {
const rootPathPfx = '../'.repeat(pagePathLevel);
return `\t<head>
\t\t<meta charset="utf-8">
\t\t<meta name="viewport" content="width=device-width,initial-scale=1">
-\t\t<link rel="stylesheet" href="${rootPathPfx}static/theme.css" title="Default">
-\t\t<link rel="stylesheet" href="${rootPathPfx}static/custom.css" title="Site Specific">
+\t\t<link rel="stylesheet" href="${rootPathPfx}static/theme.css">
+\t\t<link rel="stylesheet" href="${rootPathPfx}static/custom.css">
${headElements.map((e) => '\t\t' + e).join('\n')}
\t\t<title>${pageTitle}</title>
\t</head>`;
/**
* Render the main content of an HTML page.
- * @param {Number} pagePathLevel
- * @param {Object} ctx
- * @param {Object} options
- * @param {Object} options.bodyAttributes
- * @param {String[]} main
- * @returns {String}
+ * @param {number} pagePathLevel number of subdirs under root this page is
+ * @param {object} ctx context
+ * @param {object} options options
+ * @param {object} options.bodyAttributes attributes to set on body element
+ * @param {string[]} main main content strings
+ * @returns {string} body element
*/
function htmlBody(pagePathLevel, ctx, options, main = []) {
const {
/**
* Render a navigation link for the header section.
- * @param {Object} nav
- * @param {String} nav.href
- * @param {String} nav.class
- * @param {String} nav.text
- * @returns {String}
+ * @param {object} nav navigation object
+ * @param {string} nav.href href of link
+ * @param {string} nav.class class for anchor element
+ * @param {string} nav.text text of link
+ * @returns {string} a element
*/
function renderNavLink(nav) {
- return `<a href="${nav.href}"${nav.class ? (' class="' + nav.class + '"') : ''}>${nav.text}</a>`;
+ const aClass = nav.class ? ` class="${nav.class}"` : '';
+ return `<a href="${nav.href}"${aClass}>${nav.text}</a>`;
}
/**
* Render the navigation section of the page header.
- * @param {Object} ctx
- * @param {Object} options
- * @param {Object[]=} options.navLinks
- * @returns {String}
+ * @param {object} ctx context
+ * @param {object} options options
+ * @param {object[]=} options.navLinks array of navlink objects
+ * @returns {string} nav element
*/
function htmlNav(ctx, options) {
const indent = 3;
/**
* Render the banner and navigation header.
- * @param {Number} pagePathLevel
- * @param {Object} ctx
- * @param {Object} options
- * @param {String[]=} options.logoUrl
- * @param {String[]=} options.pageTitle
- * @returns {String}
+ * @param {number} pagePathLevel number of subdirs under root this page is
+ * @param {object} ctx context
+ * @param {object} options options
+ * @param {string[]=} options.logoUrl url to logo image
+ * @param {string[]=} options.logoAlt alt for logo image
+ * @param {string[]=} options.pageTitle page title
+ * @returns {string} header element
*/
function htmlHeader(pagePathLevel, ctx, options) {
const rootPathPfx = '../'.repeat(pagePathLevel);
const {
logoUrl = '',
+ logoAlt = 'logo',
pageTitle = '',
} = options;
- const logoImg = logoUrl ? `<img src="${rootPathPfx}${logoUrl}" class="logo">` : '';
+ const logoImg = logoUrl ? `<img src="${rootPathPfx}${logoUrl}" alt="logo" class="${logoAlt}">` : '';
return `\t\t<header>
\t\t\t<h1>${logoImg}${pageTitle}</h1>
${htmlNav(ctx, options)}
/**
* Render the bottom boilerplate.
- * @param {Object} ctx
- * @param {Object} options
- * @param {String[]} options.footerEntries
- * @returns {String}
+ * @param {object} ctx context
+ * @param {object} options options
+ * @param {string[]} options.footerEntries footer entries
+ * @returns {string} footer element
*/
function htmlFooter(ctx, options) {
const indent = 2;
/**
* Convert an object into element attributes.
- * @param {Object} attributes
- * @returns {String}
+ * @param {object} attributes attributes
+ * @returns {string} formatted attributes
*/
function elementAttributes(attributes) {
- const attr = Object.entries(attributes).map(([name, value]) => `${name}="${value}"`).join(' ');
+ const attr = Object.entries(attributes).map(([name, value]) => {
+ const v = value ? `="${value}"` : '';
+ return `${name}${v}`;
+ }).join(' ');
return attr ? ' ' + attr : '';
}
/**
* Wrap an item in a list item element.
- * @param {String} item
- * @param {Number} indent
- * @param {Object} attributes
- * @returns {String}
+ * @param {string} item text of item
+ * @param {number} indent indent level
+ * @param {object} attributes attributes for li element
+ * @returns {string} li element
*/
function LI(item, indent = 0, attributes = {}) {
const spacer = '\t'.repeat(indent);
/**
- * Wrap a list of items in an unordered list.
- * @param {String[]} items
- * @param {Number} indent
- * @param {Object} attributes
- * @param {(item) => Object} itemAttributeGenerator
- * @returns {String}
+ * @typedef {(item: any, index: number, array: any[]) => object} ItemAttributeGenerator
+ */
+
+/**
+ * Wrap an array of items in a list container element.
+ * @param {string} element element type, e.g. OL, UL
+ * @param {number} indent indent level
+ * @param {object} attributes attributes for list element
+ * @param {string[]} items list entry elements
+ * @param {ItemAttributeGenerator} itemAttributeGenerator function which returns attributes for a given list entry element
+ * @returns {string} list type element
*/
-function UL(items, indent = 0, attributes = {}, itemAttributeGenerator = () => {}) {
+function listContainer(element, indent, attributes, items, itemAttributeGenerator) {
const spacer = '\t'.repeat(indent);
- return `${spacer}<ul${elementAttributes(attributes)}>
-${items.map((item) => LI(item, indent + 1, itemAttributeGenerator(item))).join('\n')}
-${spacer}</ul>`;
+ return `${spacer}<${element}${elementAttributes(attributes)}>
+${items.map((item, index, array) => LI(item, indent + 1, itemAttributeGenerator(item, index, array))).join('\n')}
+${spacer}</${element}>`;
}
+// eslint-disable-next-line jsdoc/require-returns-check
/**
- * Wrap a list of items in an ordered list.
- * @param {String[]} items
- * @param {Number} indent
- * @param {Object} attributes
- * @param {(item) => Object} itemAttributeGenerator
- * @returns {String}
+ * @param {any} item item
+ * @param {number} index item index
+ * @param {Array<any>} array items
+ * @returns {object=} attribute map
*/
+function _defaultItemAttributeGenerator(item, index, array) { // eslint-disable-line no-unused-vars
+ return;
+}
-function OL(items, indent = 0, attributes = {}, itemAttributeGenerator = () => {}) {
- const spacer = '\t'.repeat(indent);
- return `${spacer}<ol${elementAttributes(attributes)}>
-${items.map((item) => LI(item, indent + 1, itemAttributeGenerator(item))).join('\n')}
-${spacer}</ol>`;
+
+/**
+ * Wrap a list of items in an unordered list.
+ * @param {string[]} items list item elements
+ * @param {number} indent indent level
+ * @param {object} attributes ul element attributes
+ * @param {ItemAttributeGenerator} itemAttributeGenerator function which returns attributes for a given list entry element
+ * @returns {string} ul element
+ */
+function UL(items, indent = 0, attributes = {}, itemAttributeGenerator = _defaultItemAttributeGenerator) {
+ return listContainer('ul', indent, attributes, items, itemAttributeGenerator);
+}
+
+
+/**
+ * Wrap a list of items in an ordered list.
+ * @param {string[]} items list item elements
+ * @param {number} indent indent level
+ * @param {object} attributes ol element attributes
+ * @param {ItemAttributeGenerator} itemAttributeGenerator function which returns attributes for a given liste entry element
+ * @returns {string} ol element
+ */
+function OL(items, indent = 0, attributes = {}, itemAttributeGenerator = _defaultItemAttributeGenerator) {
+ return listContainer('ol', indent, attributes, items, itemAttributeGenerator);
}
/**
* Show any error or notice messages from context.
- * @param {Object} ctx
- * @param {String[]=} ctx.errors
- * @param {String[]=} ctx.notifications
- * @param {Object} options
- * @param {String=} options.errorHeading
- * @param {String[]=} options.errorContent
- * @param {String=} options.notificationHeading
- * @param {String[]=} options.notificationContent
+ * @param {object} ctx context
+ * @param {string[]=} ctx.errors errors to render
+ * @param {string[]=} ctx.notifications notifications to render
+ * @param {object} options options
+ * @param {string=} options.errorHeading additional heading when rendering errors
+ * @param {string[]=} options.errorContent additional text when rendering errors
+ * @param {string=} options.notificationHeading additional heading when rendering notifications
+ * @param {string[]=} options.notificationContent additional text when rendering notifications
+ * @returns {string} h2 element and section element
*/
function htmlMessages(ctx, options) {
- const errorHeading = options && options.errorHeading ? `
+ const errorHeading = options?.errorHeading ? `
\t<h2>${options.errorHeading}</h2>` : '';
- const errorContent = options && options.errorContent && options.errorContent.length ? '\n' + options.errorContent.map(((content) => `\t${content}`)).join('\n') : '';
- const notificationHeading = options && options.notificationHeading ? `\n\t<h2>${options.notificationHeading}</h2>` : '';
- const notificationContent = options && options.notificationContent && options.notificationContent.length ? '\n' + options.notificationContent.map(((content) => `\t${content}`)).join('\n') : '';
- const errors = ctx && ctx.errors && ctx.errors.length ? `
+ const errorContent = options?.errorContent?.length ? '\n' + options.errorContent.map(((content) => `\t${content}`)).join('\n') : '';
+ const notificationHeading = options?.notificationHeading ? `\n\t<h2>${options.notificationHeading}</h2>` : '';
+ const notificationContent = options?.notificationContent?.length ? '\n' + options.notificationContent.map(((content) => `\t${content}`)).join('\n') : '';
+ const errors = ctx?.errors?.length ? `
<section class="error">${errorHeading}${errorContent}
${UL(ctx.errors, 1)}
</section>` : '';
- const notifications = ctx && ctx.notifications && ctx.notifications.length ? `
+ const notifications = ctx?.notifications?.length ? `
<section class="notification">${notificationHeading}${notificationContent}
${UL(ctx.notifications, 1)}
</section>` : '';
/**
- * Render all parts of an HTML page. Adds user logout nav link automatically.
- * @param {Number} pagePathLevel - relative path-distance to base
- * @param {Object} ctx
- * @param {Object=} ctx.session
- * @param {String=} ctx.session.authenticatedIdentifier
- * @param {String=} ctx.session.authenticatedProfile
- * @param {String[]=} ctx.errors
- * @param {String[]=} ctx.notifications
- * @param {Object} options
- * @param {String=} options.pageTitle
- * @param {String=} options.logoUrl
- * @param {Object[]=} options.bodyAttributes
- * @param {String[]=} options.headElements
- * @param {Object[]=} options.navLinks
- * @param {String[]=} options.footerEntries
- * @param {String=} options.errorHeading
- * @param {String[]=} options.errorContent
- * @param {String=} options.notificationHeading
- * @param {String[]=} options.notificationContent
- * @param {String[]} main - contents
- * @returns {String}
+ * Render all parts of an HTML page.
+ * @param {number} pagePathLevel relative path-distance to base
+ * @param {object} ctx context
+ * @param {string[]=} ctx.errors errors
+ * @param {string[]=} ctx.notifications notifications
+ * @param {object} options options
+ * @param {string=} options.pageTitle page title
+ * @param {string=} options.logoUrl logo url
+ * @param {string=} options.logoAlt logo alt
+ * @param {object[]=} options.bodyAttributes body attributes
+ * @param {string[]=} options.headElements head element elements
+ * @param {object[]=} options.navLinks nav objects
+ * @param {string[]=} options.footerEntries footers
+ * @param {string=} options.errorHeading errors heading
+ * @param {string[]=} options.errorContent errors text
+ * @param {string=} options.notificationHeading notifications heading
+ * @param {string[]=} options.notificationContent notifications text
+ * @param {string[]} main array of contents strings
+ * @returns {string} html page
*/
function htmlPage(pagePathLevel, ctx, options, main = []) {
- const user = (ctx && ctx.session && ctx.session.authenticatedProfile) || (ctx && ctx.session && ctx.session.authenticatedIdentifier);
- if (user) {
- if (!options.navLinks) {
- options.navLinks = [];
- }
- const logoutRedirect = ctx && ctx.url ? `?r=${encodeURIComponent(ctx.url)}` : '';
- const logoutPath = (pagePathLevel > 0) ? `${'../'.repeat(pagePathLevel - 1)}` : 'admin/';
- options.navLinks.push({
- text: `Logout (${user})`,
- href: `${logoutPath}logout${logoutRedirect}`,
- });
- }
-
return [
'<!DOCTYPE html>',
'<html lang="en">',
module.exports = {
+ initContext,
dateOrNot,
dateFormat,
+ timeElement,
secondsToPeriod,
htmlHead,
htmlBody,
htmlHeader,
htmlFooter,
htmlMessages,
+ indented,
renderNavLink,
LI,
+ listContainer,
UL,
OL,
htmlPage,
+ elementAttributes,
};