StringUtil

StringUtil is maptalks' collection of string-processing utility functions (located in core/util/strings.ts), providing trimming, replacement, splitting, hashing, text-width measurement, and line wrapping. It is a static function collection that is never instantiated; import it with import { StringUtil } from "maptalks".

import { StringUtil } from "maptalks";

console.log(StringUtil.trim("  a  ")); // "a"
console.log(StringUtil.replaceVariable("{foo} is awesome", { foo: "John" })); // "John is awesome"

Main Functions

• trim(str): string — Trim whitespace from both ends of a string.
• replaceAll(str, key, value): string — Replace every occurrence of key with value.
• splitWords(chr): string[] — Split a string by whitespace characters.
• hashCode(s): number — Compute the 32-bit hash code of a string.
• stringWidth(text, font?): number — Measure the pixel width of text.
• splitContent(content, font, wrapWidth, textWidth): Object[] — Split text into multiple lines by width.
• replaceVariable(str, props): string — Replace {foo}-style variables with values from props.
• getFont(style): string — Generate a CSS font string from a text-style symbol.