added template fn

src/flow.ts

@@ -1,3 +1,3 @@
-export function flow(...fns: Function[]) {
-  return (x: unknown) => fns.reduce((y, f) => f(y), x);
+export function flow<R extends unknown>(...fns: Function[]) {
+  return (x: unknown) => fns.reduce((y, f) => f(y), x) as R;
 }

src/index.ts

@@ -32,6 +32,7 @@ export * from './pick';
 export * from './set';
 export * from './size';
 export * from './sortBy';
+export * from './template';
 export * from './times';
 export * from './uniq';
 export * from './uniqBy';

src/template.ts

@@ -0,0 +1,16 @@
+import { curry } from './curry';
+import { get } from './get';
+
+const regex = /{{(.+?)}}/g;
+
+interface FnTemplate {
+  <T extends object>(str: string, obj: T): string;
+  <T extends object>(str: string): (obj: T) => string;
+  test(str: string): boolean;
+}
+
+export const template: FnTemplate = curry((str: string, obj: any) => {
+  return str.replace(regex, (_, k) => get(k, obj) || '');
+}) as FnTemplate;
+
+template.test = (str: string) => regex.test(str);