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ES 2015 Modules

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JSDoc 3 makes it possible to document modules that follow the ECMAScript 2015 specification. ES 2015 modules are supported in JSDoc 3.4.0 and later.

Module identifiers

When you document an ES 2015 module, you'll use a @module tag to document the identifier for the module. For example, if users load the module by calling import * as myShirt from 'my/shirt', you'll write a JSDoc comment that contains the tag @module my/shirt.

If you use the @module tag without a value, JSDoc will try to guess the correct module identifier based on the filepath.

When you use a JSDoc namepath to refer to a module from another JSDoc comment, you must add the prefix module:. For example, if you want the documentation for the module my/pants to link to the module my/shirt, you could use the @see tag to document my/pants as follows:

/**
 * Pants module.
 * @module my/pants
 * @see module:my/shirt
 */

Similarly, the namepath for each member of the module will start with module:, followed by the module name. For example, if your my/pants module exports a Jeans class, and Jeans has an instance method named hem, the instance method's longname is module:my/pants.Jeans#hem.

Exported values

The following example shows how to document different kinds of exported values in an ES 2015 module. In most cases, you can simply add a JSDoc comment to the export statement that defines the exported value. If you are exporting a value under another name, you can document the exported value within its export block.

Documenting values exported by a module
/** @module color/mixer */

/** The name of the module. */
export const name = 'mixer';

/** The most recent blended color. */
export var lastColor = null;

/**
 * Blend two colors together.
 * @param {string} color1 - The first color, in hexadecimal format.
 * @param {string} color2 - The second color, in hexadecimal format.
 * @return {string} The blended color.
 */
export function blend(color1, color2) {}

// convert color to array of RGB values (0-255)
function rgbify(color) {}

export {
    /**
     * Get the red, green, and blue values of a color.
     * @function
     * @param {string} color - A color, in hexadecimal format.
     * @returns {Array.<number>} An array of the red, green, and blue values,
     * each ranging from 0 to 255.
     */
    rgbify as toRgb
}

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