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export function merge_obj_arr<T>(a: Array<T>, b: Array<T>, props: Array<string>): Array<T> {
let start = 0;
let merge = [];
while (start < a.length) {
if (a[start] === b[start]) {
//pushing the merged objects into array
merge.push({ ...a[start], ...b[start] });
}
//incrementing start value
start = start + 1;
}
return merge;
}
export function no_type_check(x: any) {
return x;
}
export function capitalise(value: string): string {
return value.charAt(0).toUpperCase() + value.slice(1);
}
export function get_query_string(params: any = {}): string {
const map = Object.keys(params).reduce((arr: Array<string>, key: string) => {
if (params[key] !== undefined) {
return arr.concat(`${key}=${encodeURIComponent(params[key])}`);
}
return arr;
}, [] as any);
if (map.length) {
return `?${map.join("&")}`;
}
return "";
}
export function make_url(url: string, params: object): string {
return `${url}${get_query_string(params)}`;
}
export function noop() {
}
export function random_string(length: number): string {
if (!length) {
throw new Error("length is undefined");
}
let result = "";
const characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
const charactersLength = characters.length;
for (let i = 0; i < length; i++) {
result += characters.charAt(Math.floor(Math.random() * charactersLength));
}
return result;
}
export function get_random_int(min: number, max: number): number {
min = Math.ceil(min);
max = Math.floor(max);
return Math.floor(Math.random() * (max - min + 1)) + min;
}
export function get_hash_code(value: string): number | undefined {
let hash = 0;
if (value.length === 0) {
return;
}
for (let i = 0; i < value.length; i++) {
const char = value.charCodeAt(i);
hash = (hash << 5) - hash + char;
hash |= 0;
}
return hash;
}
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