very-small-parser/esm/util.js

A very small Markdown, HTML, and CSS parser.

const isTest = process.env.NODE_ENV !== 'production';
export const token = (value, type, children, overrides, len = value.length) => {
    const tok = { type, len };
    if (isTest)
        tok.raw = value;
    if (children)
        tok.children = children;
    if (overrides)
        Object.assign(tok, overrides);
    return tok;
};
export const loop0 = (parser, tokenizer, src) => {
    const children = [];
    const end = src.length;
    let remaining = src;
    let length = 0;
    while (length < end) {
        const tok = tokenizer(parser, remaining);
        if (!tok)
            break;
        if (tok.type)
            children.push(tok);
        length += tok.len || 0;
        remaining = remaining.slice(tok.len);
    }
    return [children, length];
};
export const loop = (parser, tokenizer, src) => loop0(parser, tokenizer, src)[0];
export const first = (tokenizers) => {
    const length = tokenizers.length;
    return (parser, src) => {
        for (let i = 0; i < length; i++) {
            const tokenizer = tokenizers[i];
            const tok = tokenizer(parser, src);
            if (tok)
                return tok;
        }
        return;
    };
};
export const regexParser = (type, reg, childrenMatchIndex) => (parser, value) => {
    const matches = value.match(reg);
    return matches ? token(matches[0], type, parser.parse(matches[childrenMatchIndex])) : void 0;
};
export const rep = (search, replace, str) => str.replace(search, replace);
export const repAll = (search, replace, str) => str.replaceAll(search, replace);
const textarea = typeof document === 'object' ? document.createElement('textarea') : void 0;
/** Decode HTML entities. */
export const dhe = (html) => (textarea ? ((textarea.innerHTML = html), textarea.value) : html);