All files / src constants.js

91.01% Statements 243/267
34.61% Branches 18/52
100% Functions 1/1
91.01% Lines 243/267

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 2682x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 8715x 8715x 8715x 8715x 167x 8715x 2x 8715x 8715x 8715x 179x 8715x 8715x 8715x 8715x 8715x 8715x 8715x 6x 6x 6x 8715x 8715x 8715x 8715x 4x 8715x 8715x   8715x 8715x 4x 4x 4x 4x 4x 4x 4x 4x   4x 8715x 8715x                           8715x 8715x   8715x   8715x   8715x 8353x 8353x 8353x 8353x 8353x 8715x 8715x 8715x 8715x 8715x 8715x 26x 26x 26x 26x 26x 26x 26x 26x 8715x 8715x 8715x   8715x 8715x 8715x 8715x 8715x 8715x 8715x 8715x 8715x 8715x 8715x 8715x 8715x 8715x 8715x           8715x 8327x 8327x 8327x  
export const EACH_ITEM_REACTIVE = 1;
export const EACH_INDEX_REACTIVE = 1 << 1;
export const EACH_KEYED = 1 << 2;
 
/** See EachBlock interface metadata.is_controlled for an explanation what this is */
export const EACH_IS_CONTROLLED = 1 << 3;
export const EACH_IS_ANIMATED = 1 << 4;
export const EACH_IS_STRICT_EQUALS = 1 << 6;
 
export const PROPS_IS_IMMUTABLE = 1;
export const PROPS_IS_RUNES = 1 << 1;
export const PROPS_IS_UPDATED = 1 << 2;
export const PROPS_IS_LAZY_INITIAL = 1 << 3;
 
export const TRANSITION_IN = 1;
export const TRANSITION_OUT = 1 << 1;
export const TRANSITION_GLOBAL = 1 << 2;
 
export const TEMPLATE_FRAGMENT = 1;
export const TEMPLATE_USE_IMPORT_NODE = 1 << 1;
 
export const HYDRATION_START = '[';
export const HYDRATION_END = ']';
export const HYDRATION_END_ELSE = `${HYDRATION_END}!`; // used to indicate that an `{:else}...` block was rendered
 
export const UNINITIALIZED = Symbol();
 
/** List of elements that require raw contents and should not have SSR comments put in them */
export const RawTextElements = ['textarea', 'script', 'style', 'title'];
 
/** List of Element events that will be delegated */
export const DelegatedEvents = [
	'beforeinput',
	'click',
	'dblclick',
	'contextmenu',
	'focusin',
	'focusout',
	// 'input', This conflicts with bind:input
	'keydown',
	'keyup',
	'mousedown',
	'mousemove',
	'mouseout',
	'mouseover',
	'mouseup',
	'pointerdown',
	'pointermove',
	'pointerout',
	'pointerover',
	'pointerup',
	'touchend',
	'touchmove',
	'touchstart'
];
 
/** List of Element events that will be delegated and are passive */
export const PassiveDelegatedEvents = ['touchstart', 'touchmove', 'touchend'];
 
/**
 * @type {Record<string, string>}
 * List of attribute names that should be aliased to their property names
 * because they behave differently between setting them as an attribute and
 * setting them as a property.
 */
export const AttributeAliases = {
	// no `class: 'className'` because we handle that separately
	formnovalidate: 'formNoValidate',
	ismap: 'isMap',
	nomodule: 'noModule',
	playsinline: 'playsInline',
	readonly: 'readOnly'
};
 
/**
 * Attributes that are boolean, i.e. they are present or not present.
 */
export const DOMBooleanAttributes = [
	'allowfullscreen',
	'async',
	'autofocus',
	'autoplay',
	'checked',
	'controls',
	'default',
	'disabled',
	'formnovalidate',
	'hidden',
	'indeterminate',
	'ismap',
	'loop',
	'multiple',
	'muted',
	'nomodule',
	'novalidate',
	'open',
	'playsinline',
	'readonly',
	'required',
	'reversed',
	'seamless',
	'selected',
	'webkitdirectory'
];
 
export const namespace_svg = 'http://www.w3.org/2000/svg';
 
// while `input` is also an interactive element, it is never moved by the browser, so we don't need to check for it
export const interactive_elements = new Set([
	'a',
	'button',
	'iframe',
	'embed',
	'select',
	'textarea'
]);
 
export const disallowed_paragraph_contents = [
	'address',
	'article',
	'aside',
	'blockquote',
	'details',
	'div',
	'dl',
	'fieldset',
	'figcapture',
	'figure',
	'footer',
	'form',
	'h1',
	'h2',
	'h3',
	'h4',
	'h5',
	'h6',
	'header',
	'hr',
	'menu',
	'nav',
	'ol',
	'pre',
	'section',
	'table',
	'ul'
];
 
// https://html.spec.whatwg.org/multipage/syntax.html#generate-implied-end-tags
const implied_end_tags = ['dd', 'dt', 'li', 'option', 'optgroup', 'p', 'rp', 'rt'];
 
/**
 * @param {string} tag
 * @param {string} parent_tag
 * @returns {boolean}
 */
export function is_tag_valid_with_parent(tag, parent_tag) {
	// First, let's check if we're in an unusual parsing mode...
	switch (parent_tag) {
		// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-inselect
		case 'select':
			return tag === 'option' || tag === 'optgroup' || tag === '#text';
		case 'optgroup':
			return tag === 'option' || tag === '#text';
		// Strictly speaking, seeing an <option> doesn't mean we're in a <select>
		// but
		case 'option':
			return tag === '#text';
		// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-intd
		// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-incaption
		// No special behavior since these rules fall back to "in body" mode for
		// all except special table nodes which cause bad parsing behavior anyway.
 
		// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-intr
		case 'tr':
			return (
				tag === 'th' || tag === 'td' || tag === 'style' || tag === 'script' || tag === 'template'
			);
		// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-intbody
		case 'tbody':
		case 'thead':
		case 'tfoot':
			return tag === 'tr' || tag === 'style' || tag === 'script' || tag === 'template';
		// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-incolgroup
		case 'colgroup':
			return tag === 'col' || tag === 'template';
		// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-intable
		case 'table':
			return (
				tag === 'caption' ||
				tag === 'colgroup' ||
				tag === 'tbody' ||
				tag === 'tfoot' ||
				tag === 'thead' ||
				tag === 'style' ||
				tag === 'script' ||
				tag === 'template'
			);
		// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-inhead
		case 'head':
			return (
				tag === 'base' ||
				tag === 'basefont' ||
				tag === 'bgsound' ||
				tag === 'link' ||
				tag === 'meta' ||
				tag === 'title' ||
				tag === 'noscript' ||
				tag === 'noframes' ||
				tag === 'style' ||
				tag === 'script' ||
				tag === 'template'
			);
		// https://html.spec.whatwg.org/multipage/semantics.html#the-html-element
		case 'html':
			return tag === 'head' || tag === 'body' || tag === 'frameset';
		case 'frameset':
			return tag === 'frame';
		case '#document':
			return tag === 'html';
	}
 
	// Probably in the "in body" parsing mode, so we outlaw only tag combos
	// where the parsing rules cause implicit opens or closes to be added.
	// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-inbody
	switch (tag) {
		case 'h1':
		case 'h2':
		case 'h3':
		case 'h4':
		case 'h5':
		case 'h6':
			return (
				parent_tag !== 'h1' &&
				parent_tag !== 'h2' &&
				parent_tag !== 'h3' &&
				parent_tag !== 'h4' &&
				parent_tag !== 'h5' &&
				parent_tag !== 'h6'
			);
 
		case 'rp':
		case 'rt':
			return implied_end_tags.indexOf(parent_tag) === -1;
 
		case 'body':
		case 'caption':
		case 'col':
		case 'colgroup':
		case 'frameset':
		case 'frame':
		case 'head':
		case 'html':
		case 'tbody':
		case 'td':
		case 'tfoot':
		case 'th':
		case 'thead':
		case 'tr':
			// These tags are only valid with a few parents that have special child
			// parsing rules -- if we're down here, then none of those matched and
			// so we allow it only if we don't know what the parent is, as all other
			// cases are invalid.
			return parent_tag == null;
	}
 
	return true;
}