本文整理匯總了TypeScript中@toba/tools.is.defined方法的典型用法代碼示例。如果您正苦於以下問題：TypeScript is.defined方法的具體用法？TypeScript is.defined怎麽用？TypeScript is.defined使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類@toba/tools.is的用法示例。
在下文中一共展示了is.defined方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: seasonal
/**
* Update seasonal restriction field.
*/
function seasonal(
vehicleKey: string,
from: MapProperties,
out: MapProperties
): void {
if (is.defined(from, vehicleKey)) {
out[vehicle[vehicleKey] + ' Allowed'] = from[vehicleKey];
}
}示例2: normalizeTag
export function normalizeTag(slug: string): string {
if (is.value(slug)) {
slug = slug.toLowerCase();
} else {
return null;
}
return is.defined(config.photoTagChanges, slug)
? config.photoTagChanges[slug]
: slug;
}示例3: trails
function trails(from: MapProperties): MapProperties {
const out: MapProperties = {};
const miles: number = from['MILES'] as number;
const who = 'Jurisdiction';
let name: string = from['NAME'] as string;
let label: string = from['name'] as string;
if (miles && miles > 0) {
out['Miles'] = miles;
}
if (is.value<string>(label)) {
label = label.trim();
}
if (!is.empty(name) && !is.empty(label)) {
name = titleCase(name.trim());
// label is usually just a number so prefer name when supplied
const num = label.replace(/\D/g, '');
// some names alread include the road or trail number and
// some have long numbers that aren't helpful
label =
(num.length > 1 && name.includes(num)) || num.length > 3
? name
: name + ' ' + label;
}
if (label) {
out['Label'] = label;
}
Object.keys(vehicle).forEach(key => {
seasonal(key, from, out);
});
relabel(from, out, { JURISDICTION: who });
if (is.defined(out, who)) {
out[who] = titleCase(out[who] as string);
}
return out;
}示例4: return
return (
view: string,
context: ViewContext,
type?: MimeType,
minify = false
) => {
// use default meta tag description if none provided
if (is.empty(context.description)) {
context.description = config.site.description;
}
if (is.defined(context, 'jsonLD')) {
context.linkData = serialize(context.jsonLD);
delete context['jsonLD'];
}
// always send full config to views
context.config = config;
res.render(view, context, (renderError: Error, text: string) => {
if (is.value(renderError)) {
// error message includes view name
log.error(`Rendering ${slug} ${renderError.message}`, { slug });
internalError(res);
} else {
if (is.value<string>(text)) {
if (minify) {
text = compact(text);
}
cacheAndSend(res, text, slug, type);
} else {
log.error(`renderTemplate(${slug}) returned no content`, {
slug
});
internalError(res);
}
}
});
};