add support for declared namespaces – fixes #147

src/generate/index.js

@@ -4,6 +4,7 @@ import deindent from '../utils/deindent.js';
 import isReference from '../utils/isReference.js';
 import counter from './utils/counter.js';
 import flattenReference from '../utils/flattenReference.js';
+import namespaces from '../utils/namespaces.js';
 import getIntro from './utils/getIntro.js';
 import getOutro from './utils/getOutro.js';
 import visitors from './visitors/index.js';
@@ -277,9 +278,17 @@ export default function generate ( parsed, source, options, names ) {
 		});
 	}
 
+	let namespace = null;
+	if ( templateProperties.namespace ) {
+		const ns = templateProperties.namespace.value;
+		namespace = namespaces[ ns ] || ns;
+
+		// TODO remove the namespace property from the generated code, it's unused past this point
+	}
+
 	generator.push({
 		name: 'renderMainFragment',
-		namespace: null,
+		namespace,
 		target: 'target',
 		elementDepth: 0,
 		localElementDepth: 0,

src/utils/namespaces.js

@@ -0,0 +1,8 @@
+export const html   = 'http://www.w3.org/1999/xhtml';
+export const mathml = 'http://www.w3.org/1998/Math/MathML';
+export const svg    = 'http://www.w3.org/2000/svg';
+export const xlink  = 'http://www.w3.org/1999/xlink';
+export const xml    = 'http://www.w3.org/XML/1998/namespace';
+export const xmlns  = 'http://www.w3.org/2000/xmlns';
+
+export default { html, mathml, svg, xlink, xml, xmlns };

src/validate/html/index.js

@@ -1,13 +1,31 @@
+import * as namespaces from '../../utils/namespaces.js';
+
+const svg = /^(?:altGlyph|altGlyphDef|altGlyphItem|animate|animateColor|animateMotion|animateTransform|circle|clipPath|color-profile|cursor|defs|desc|discard|ellipse|feBlend|feColorMatrix|feComponentTransfer|feComposite|feConvolveMatrix|feDiffuseLighting|feDisplacementMap|feDistantLight|feDropShadow|feFlood|feFuncA|feFuncB|feFuncG|feFuncR|feGaussianBlur|feImage|feMerge|feMergeNode|feMorphology|feOffset|fePointLight|feSpecularLighting|feSpotLight|feTile|feTurbulence|filter|font|font-face|font-face-format|font-face-name|font-face-src|font-face-uri|foreignObject|g|glyph|glyphRef|hatch|hatchpath|hkern|image|line|linearGradient|marker|mask|mesh|meshgradient|meshpatch|meshrow|metadata|missing-glyph|mpath|path|pattern|polygon|polyline|radialGradient|rect|set|solidcolor|stop|switch|symbol|text|textPath|title|tref|tspan|unknown|use|view|vkern)$/;
+
 export default function validateHtml ( validator, html ) {
+	let elementDepth = 0;
+
 	function visit ( node ) {
 		if ( node.type === 'EachBlock' ) {
 			if ( !~validator.names.indexOf( node.context ) ) validator.names.push( node.context );
 			if ( node.index && !~validator.names.indexOf( node.index ) ) validator.names.push( node.index );
 		}
 
+		if ( node.type === 'Element' ) {
+			if ( elementDepth === 0 && validator.namespace !== namespaces.svg && svg.test( node.name ) ) {
+				validator.warn( `<${node.name}> is an SVG element – did you forget to add { namespace: 'svg' } ?`, node.start );
+			}
+
+			elementDepth += 1;
+		}
+
 		if ( node.children ) {
 			node.children.forEach( visit );
 		}
+
+		if ( node.type === 'Element' ) {
+			elementDepth -= 1;
+		}
 	}
 
 	html.children.forEach( visit );

src/validate/index.js

@@ -40,17 +40,19 @@ export default function validate ( parsed, source, options ) {
 
 		templateProperties: {},
 
-		names: []
-	};
+		names: [],
 
-	if ( parsed.html ) {
-		validateHtml( validator, parsed.html );
-	}
+		namespace: null
+	};
 
 	if ( parsed.js ) {
 		validateJs( validator, parsed.js );
 	}
 
+	if ( parsed.html ) {
+		validateHtml( validator, parsed.html );
+	}
+
 	return {
 		names: validator.names
 	};

src/validate/js/index.js

@@ -2,6 +2,7 @@ import propValidators from './propValidators/index.js';
 import FuzzySet from './utils/FuzzySet.js';
 import checkForDupes from './utils/checkForDupes.js';
 import checkForComputedKeys from './utils/checkForComputedKeys.js';
+import namespaces from '../../utils/namespaces.js';
 
 const validPropList = Object.keys( propValidators );
 
@@ -29,7 +30,7 @@ export default function validateJs ( validator, js ) {
 		checkForDupes( validator, validator.defaultExport.declaration.properties );
 
 		validator.defaultExport.declaration.properties.forEach( prop => {
-			validator.templateProperties[ prop.key.value ] = prop;
+			validator.templateProperties[ prop.key.name ] = prop;
 		});
 
 		validator.defaultExport.declaration.properties.forEach( prop => {
@@ -48,5 +49,10 @@ export default function validateJs ( validator, js ) {
 				}
 			}
 		});
+
+		if ( validator.templateProperties.namespace ) {
+			const ns = validator.templateProperties.namespace.value.value;
+			validator.namespace = namespaces[ ns ] || ns;
+		}
 	}
 }

src/validate/js/propValidators/index.js

@@ -6,6 +6,7 @@ import helpers from './helpers.js';
 import methods from './methods.js';
 import components from './components.js';
 import events from './events.js';
+import namespace from './namespace.js';
 
 export default {
 	data,
@@ -15,5 +16,6 @@ export default {
 	helpers,
 	methods,
 	components,
-	events
+	events,
+	namespace
 };

src/validate/js/propValidators/namespace.js

@@ -0,0 +1,5 @@
+export default function namespace ( validator, prop ) {
+	if ( prop.value.type !== 'Literal' || typeof prop.value.value !== 'string' ) {
+		validator.error( `The 'namespace' property must be a string literal representing a valid namespace`, prop.start );
+	}
+}

test/generator/svg-child-component-declared-namespace-shorthand/Rect.html

@@ -0,0 +1,7 @@
+<rect x='{{x}}' y='{{y}}' width='{{width}}' height='{{height}}'/>
+
+<script>
+	export default {
+		namespace: 'svg'
+	};
+</script>

test/generator/svg-child-component-declared-namespace-shorthand/_config.js

@@ -1,12 +1,13 @@
 export default {
-	skip: true,
 	data: {
 		x: 0,
 		y: 0,
 		width: 100,
 		height: 100
 	},
+
 	html: `<svg><rect x="0" y="0" width="100" height="100"></rect></svg>`,
+	
 	test ( assert, component, target ) {
 		const svg = target.querySelector( 'svg' );
 		const rect = target.querySelector( 'rect' );

test/generator/svg-child-component-declared-namespace-shorthand/main.html

@@ -1,6 +1,7 @@
 <svg>
 	<Rect x='{{x}}' y='{{y}}' width='{{width}}' height='{{height}}'/>
 </svg>
+
 <script>
 	import Rect from './Rect.html';
 

test/generator/svg-child-component-declared-namespace/Rect.html

@@ -0,0 +1,7 @@
+<rect x='{{x}}' y='{{y}}' width='{{width}}' height='{{height}}'/>
+
+<script>
+	export default {
+		namespace: 'http://www.w3.org/2000/svg'
+	};
+</script>

test/generator/svg-child-component-declared-namespace/_config.js

@@ -0,0 +1,21 @@
+export default {
+	data: {
+		x: 0,
+		y: 0,
+		width: 100,
+		height: 100
+	},
+
+	html: `<svg><rect x="0" y="0" width="100" height="100"></rect></svg>`,
+	
+	test ( assert, component, target ) {
+		const svg = target.querySelector( 'svg' );
+		const rect = target.querySelector( 'rect' );
+
+		assert.equal( svg.namespaceURI, 'http://www.w3.org/2000/svg' );
+		assert.equal( rect.namespaceURI, 'http://www.w3.org/2000/svg' );
+
+		component.set({ width: 150, height: 50 });
+		assert.equal( target.innerHTML, `<svg><rect x="0" y="0" width="150" height="50"></rect></svg>` );
+	}
+};

test/generator/svg-child-component-declared-namespace/main.html

@@ -0,0 +1,11 @@
+<svg>
+	<Rect x='{{x}}' y='{{y}}' width='{{width}}' height='{{height}}'/>
+</svg>
+
+<script>
+	import Rect from './Rect.html';
+
+	export default {
+		components: { Rect }
+	};
+</script>

test/validator/svg-child-component-declared-namespace/input.html

@@ -0,0 +1,7 @@
+<rect x='{{x}}' y='{{y}}' width='{{width}}' height='{{height}}'/>
+
+<script>
+	export default {
+		namespace: 'svg'
+	};
+</script>

test/validator/svg-child-component-declared-namespace/warnings.json

@@ -0,0 +1 @@
+[]

test/validator/svg-child-component-undeclared-namespace/warnings.json

@@ -0,0 +1,8 @@
+[{
+	"message": "<rect> is an SVG element – did you forget to add { namespace: 'svg' } ?",
+	"loc": {
+		"line": 1,
+		"column": 0
+	},
+	"pos": 0
+}]