Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | 7x 7x 3038x 3038x 3038x 2456x 2456x 2456x 2460x 3038x 7x 6x 7x 1512x 7x 1521x 7x 8x 8x 8x 8x 11x 8x 7x 4x 3x 8x | import { isString } from 'support/utils/types';
import { each } from 'support/utils/array';
import { keys } from 'support/utils/object';
const rnothtmlwhite = /[^\x20\t\r\n\f]+/g;
const classListAction = (
elm: Element | false | null | undefined,
className: string,
action: (elmClassList: DOMTokenList, clazz: string) => boolean | void
): boolean => {
let clazz: string;
let i = 0;
let result = false;
if (elm && isString(className)) {
const classes: Array<string> = className.match(rnothtmlwhite) || [];
result = classes.length > 0;
while ((clazz = classes[i++])) {
result = !!action(elm.classList, clazz) && result;
}
}
return result;
};
/**
* Check whether the given element has the given class name(s).
* @param elm The element.
* @param className The class name(s).
*/
export const hasClass = (elm: Element | false | null | undefined, className: string): boolean =>
classListAction(elm, className, (classList, clazz) => classList.contains(clazz));
/**
* Adds the given class name(s) to the given element.
* @param elm The element.
* @param className The class name(s) which shall be added. (separated by spaces)
*/
export const addClass = (elm: Element | false | null | undefined, className: string): void => {
classListAction(elm, className, (classList, clazz) => classList.add(clazz));
};
/**
* Removes the given class name(s) from the given element.
* @param elm The element.
* @param className The class name(s) which shall be removed. (separated by spaces)
*/
export const removeClass = (elm: Element | false | null | undefined, className: string): void => {
classListAction(elm, className, (classList, clazz) => classList.remove(clazz));
};
/**
* Takes two className strings, compares them and returns the difference as array.
* @param classNameA ClassName A.
* @param classNameB ClassName B.
*/
export const diffClass = (
classNameA: string | null | undefined,
classNameB: string | null | undefined
) => {
const classNameASplit = classNameA && classNameA.split(' ');
const classNameBSplit = classNameB && classNameB.split(' ');
const tempObj = {};
each(classNameASplit, (className) => {
tempObj[className] = 1;
});
each(classNameBSplit, (className) => {
if (tempObj[className]) {
delete tempObj[className];
} else {
tempObj[className] = 1;
}
});
return keys(tempObj);
};
|