@gravityforms/gulp-tasks/src/scripts/utils/tokens/htmlexample.js

Configurable Gulp tasks for use in Gravity Forms projects.

const { Token } = require( './token' );

function escapeHtmlPreserveIndentation( str ) {
    return str
        .split( '\n' )
        .map(line =>
            line.replace( /&/g, '&' )
                .replace( /</g, '&lt;' )
                .replace( />/g, '&gt;' )
        )
        .join( '\n' );
}

class htmlExample extends Token {
    typeText = 'htmlexample';

    endCondition( text, prevLine ) {
        const trimmedText = text.trim();

        // End if a new @tag starts
        if ( trimmedText.startsWith( '@' ) && ! trimmedText.startsWith( '@htmlexample' ) ) {
            return true;
        }

        // End if an empty line is encountered
        if ( trimmedText === '' ) {
            return true;
        }

        return false;
    }

    tokenCondition( text ) {
        return text.trim().startsWith( '@htmlexample' );
    }

    getContent() {
        let content = this.lines.slice();
        const firstLine = content.shift();
        const rawHtml = content.join( '\n' );
        const escapedHtml = escapeHtmlPreserveIndentation( rawHtml );

        return `<pre class="prettyprint source lang-html"><code>${ escapedHtml }</code></pre>`;
    }
}

module.exports = { htmlExample };