static parseProps()

in src/Habitat.js [61:126]
35 lines of code
20 McCabe index (conditional complexity)

	static parseProps(ele) {
		// Default props with reference to the initiating node
		const props = {
			proxy: ele,  // Pass in a reference to the original node
		};

		// Populate custom props from reading any ele attributes that start with 'data-prop-'
		for (let i = 0; i < ele.attributes.length; i++) {
			const a = ele.attributes[i];

			if (a.name.indexOf(HABITAT_PROP) === 0) {
				// Convert prop name from hyphens to camel case
				const name = getNameFor(HABITAT_PROP, a.name);

				let value = a.value || '';

				// Parse booleans
				if (typeof value === 'string' && value.toLowerCase() === 'false') { value = false; }
				if (typeof value === 'string' && value.toLowerCase() === 'true') { value = true; }

				// Parse json strings
				if (typeof value === 'string' && value.length >= 2 &&
					((value[0] === '{' && value[value.length - 1] === '}') ||
					(value[0] === '[' && value[value.length - 1] === ']'))) {
					value = JSON.parse(value);
				}

				// Parse nulls
				if (typeof value === 'string' && value.toLowerCase() === 'null') {
					value = null;
				}

				props[name] = value;
			} else

			// JSON type props
			if (a.name === HABITAT_PROP_JSON) {
				// Parse all of the props as json
				Object.assign(props, JSON.parse(a.value));
			} else

			// Number type props
			if (a.name.indexOf('data-n-prop-') === 0) {

				// Convert prop name from hyphens to camel case
				const name = getNameFor(HABITAT_PROP_NUMBER, a.name);

				// Parse the value as a float as it handles both floats and whole int's
				// Might want to look at configuring the radix somehow in the future
				props[name] = parseFloat(a.value);
			} else

			// Reference type props
			if (window && a.name.indexOf(HABITAT_PROP_REF) === 0) {

				// Convert prop name from hyphens to camel case
				const name = getNameFor(HABITAT_PROP_REF, a.name);

				// Set the reference to the global object
				props[name] = window[a.value];

			}
		}

		return props;
	}