emphase
Version:
Emphasize your syntax!
53 lines • 1.6 kB
JavaScript
function genRepArr(len, type, special) {
return [...Array(len)].map((x, i) => `${special}\{${type}:${i}\}`);
}
function splice(string, start, length, replacement) {
return string.substr(0, start) + replacement + string.substr(start + length);
}
function makeGUID() {
var w = () => { return Math.floor((1 + Math.random()) * 0x10000).toString(16).substring(1) };
return `${w()}${w()}`;
}
function encMarkup(data) {
if (data!==undefined) data = ( data=data.replace(/</g,"<"), data=data.replace(/>/g,">") );
return data;
}
function escapeRegex(string, esc) {
return string.replace(new RegExp(`[${esc}]`, 'g'), '\\$&');
}
function multilineRegex(mlc) {
var _esc = "";
mlc.esc && (_esc = mlc.esc);
return `${escapeRegex(`${ mlc.init }`, _esc)}([\\s\\S]*?)${escapeRegex(`${ mlc.term }`, _esc)}`;
}
function toClipboard(elem){
navigator.clipboard.writeText(elem.text);
}
function getClass(seek, obj){
var tkey = '';
Object.entries(obj).filter( function( [key, value] ){
if (value.includes(seek)){
tkey = key;
}
});
return tkey;
}
function displayTextWidth(text, font) {
let canvas = displayTextWidth.canvas || (displayTextWidth.canvas = document.createElement("canvas"));
let context = canvas.getContext("2d");
context.font = font;
let metrics = context.measureText(text);
return metrics.width;
}
const Utils = {
splice: splice,
makeGUID: makeGUID,
getClass: getClass,
genRepArr: genRepArr,
encMarkup: encMarkup,
toClipboard: toClipboard,
escapeRegex: escapeRegex,
multilineRegex: multilineRegex,
displayTextWidth: displayTextWidth,
};
export {Utils};