Namely, Pickled Meatballs


    1.3.0 • Public • Published


    Interpolate-Components allows us to work with structured markup as strings and then hydrate them into a tree of React components. This is particularly useful for internationalizing strings, where a sentence or paragraph containing structured markup should be translated as a single entity. This module allows us to interpolate components into a string without using the hack of dangerouslySetInnerHTML().


    Module Footprint

    Interpolate-Components takes a single options object as an argument and returns a React component containing structured descendent components which can be rendered into a document. The option attributes are:

    • mixedString A string that contains component tokens to be interpolated
    • components An object with components assigned to named attributes
    • tags (optional) An object with custom tag syntax to be used
    • throwErrors (optional) Whether errors should be thrown (as in pre-production environments) or we should more gracefully return the un-interpolated original string (as in production). This is optional and is false by default.

    Component tokens

    Component tokens are strings (containing letters, numbers, or underscores only) wrapped inside double-curly braces and have an opening, closing, and self-closing syntax, similar to html.

    // example component token syntax
    var example = '{{link}}opening and closing syntax example{{/link}}',
        example2 = 'Here is a self-closing example: {{input/}}';

    Example Usage

    /** @jsx React.DOM */
    import interpolateComponents from 'interpolate-components';
    const children = interpolateComponents( {
            mixedString: 'This is a {{em}}fine{{/em}} example.',
            components: { em: <em /> }
        } );
    const jsxExample = <p>{ children }</p>;
    // when injected into the doc, will render as:
    // <p>This is a <em>fine</em> example.</p>

    Custom tag syntax

    interpolateComponents( {
        mixedString: 'This uses <<em>>custom<</em>> syntax <<icon />>',
        components: { em: <em />, icon: <Icon /> },
        tags: {
            componentOpen: [ '<<', '>>' ],
            componentClose: [ '<</', '>>' ],
            componentSelfClosing: [ '<<', '/>>' ],
    } );


    # install dependencies
    npm install
    # run tests
    npm test


    npm i @jouwweb/interpolate-components

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