ember-legacy-class-transform
Version:
The default blueprint for ember-cli addons.
68 lines • 7.74 kB
JavaScript
/*
* @method normalizeProperty
* @param element {HTMLElement}
* @param slotName {String}
* @returns {Object} { name, type }
*/
export function normalizeProperty(element, slotName) {
var type = void 0,
normalized = void 0;
if (slotName in element) {
normalized = slotName;
type = 'prop';
} else {
var lower = slotName.toLowerCase();
if (lower in element) {
type = 'prop';
normalized = lower;
} else {
type = 'attr';
normalized = slotName;
}
}
if (type === 'prop' && (normalized.toLowerCase() === 'style' || preferAttr(element.tagName, normalized))) {
type = 'attr';
}
return { normalized: normalized, type: type };
}
export function normalizePropertyValue(value) {
if (value === '') {
return true;
}
return value;
}
// properties that MUST be set as attributes, due to:
// * browser bug
// * strange spec outlier
var ATTR_OVERRIDES = {
// phantomjs < 2.0 lets you set it as a prop but won't reflect it
// back to the attribute. button.getAttribute('type') === null
BUTTON: { type: true, form: true },
INPUT: {
// Some version of IE (like IE9) actually throw an exception
// if you set input.type = 'something-unknown'
type: true,
form: true,
// Chrome 46.0.2464.0: 'autocorrect' in document.createElement('input') === false
// Safari 8.0.7: 'autocorrect' in document.createElement('input') === false
// Mobile Safari (iOS 8.4 simulator): 'autocorrect' in document.createElement('input') === true
autocorrect: true,
// Chrome 54.0.2840.98: 'list' in document.createElement('input') === true
// Safari 9.1.3: 'list' in document.createElement('input') === false
list: true
},
// element.form is actually a legitimate readOnly property, that is to be
// mutated, but must be mutated by setAttribute...
SELECT: { form: true },
OPTION: { form: true },
TEXTAREA: { form: true },
LABEL: { form: true },
FIELDSET: { form: true },
LEGEND: { form: true },
OBJECT: { form: true }
};
function preferAttr(tagName, propName) {
var tag = ATTR_OVERRIDES[tagName.toUpperCase()];
return tag && tag[propName.toLowerCase()] || false;
}
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