@wix/css-property-parser/dist/evaluators/overflow-wrap.js

A comprehensive TypeScript library for parsing and serializing CSS property values with full MDN specification compliance

import { isCssVariable, isGlobalKeyword, getValidKeyword } from '../utils/shared-utils.js';
import { parse as parseCSSVariable, toCSSValue as cssVariableToCSSValue } from './css-variable.js';
import { OVERFLOW_WRAP_KEYWORDS } from '../types.js';
/**
 * Parses CSS overflow-wrap property values
 *
 * Syntax: normal | anywhere | break-word | inherit | initial | unset | revert
 *
 * @param value - The CSS overflow-wrap value to parse
 * @returns Parsed OverflowWrapValue or null if invalid
 *
 * @example
 * ```typescript
 * parse('normal') // { type: 'keyword', keyword: 'normal' }
 * parse('anywhere') // { type: 'keyword', keyword: 'anywhere' }
 * parse('break-word') // { type: 'keyword', keyword: 'break-word' }
 * parse('inherit') // { type: 'keyword', keyword: 'inherit' }
 * parse('var(--wrap)') // { type: 'variable', variable: 'wrap' }
 * parse('invalid') // null
 * ```
 */
export function parse(value) {
    if (!value || typeof value !== 'string') {
        return null;
    }
    const trimmed = value.trim();
    if (trimmed === '') {
        return null;
    }
    // Handle CSS variables
    if (isCssVariable(trimmed)) {
        return parseCSSVariable(trimmed);
    }
    // Handle global keywords
    if (isGlobalKeyword(trimmed)) {
        return {
            type: 'keyword',
            keyword: trimmed.toLowerCase()
        };
    }
    // Handle overflow-wrap specific keywords
    const keyword = getValidKeyword(trimmed, OVERFLOW_WRAP_KEYWORDS);
    if (keyword) {
        return {
            type: 'keyword',
            keyword: keyword
        };
    }
    return null;
}
/**
 * Converts a parsed OverflowWrapValue back to a CSS string
 *
 * @param parsed - The parsed OverflowWrapValue to convert
 * @returns CSS string representation or null if invalid
 *
 * @example
 * ```typescript
 * toCSSValue({ type: 'keyword', keyword: 'normal' }) // 'normal'
 * toCSSValue({ type: 'keyword', keyword: 'anywhere' }) // 'anywhere'
 * toCSSValue({ type: 'keyword', keyword: 'break-word' }) // 'break-word'
 * toCSSValue({ type: 'keyword', keyword: 'inherit' }) // 'inherit'
 * ```
 */
export function toCSSValue(parsed) {
    if (!parsed) {
        return null;
    }
    // Handle CSS variables
    if ('variable' in parsed || 'CSSvariable' in parsed) {
        return cssVariableToCSSValue(parsed);
    }
    // Handle keywords
    if ('keyword' in parsed) {
        return parsed.keyword;
    }
    return null;
}