\n value = '';\n needRemove = true;\n } else if (type === 'number') {\n // e.g.
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\n value = 0;\n needRemove = true;\n }\n }\n // some properties perform value validation and throw,\n // some properties has getter, no setter, will error in 'use strict'\n // eg.
\n try {\n el[key] = value;\n } catch (e) {\n // do not warn if value is auto-coerced from nullish values\n if (process.env.NODE_ENV !== 'production' && !needRemove) {\n warn(`Failed setting prop \"${key}\" on <${el.tagName.toLowerCase()}>: ` + `value ${value} is invalid.`, e);\n }\n }\n needRemove && el.removeAttribute(key);\n}\nfunction addEventListener(el, event, handler, options) {\n el.addEventListener(event, handler, options);\n}\nfunction removeEventListener(el, event, handler, options) {\n el.removeEventListener(event, handler, options);\n}\nfunction patchEvent(el, rawName, prevValue, nextValue) {\n let instance = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : null;\n // vei = vue event invokers\n const invokers = el._vei || (el._vei = {});\n const existingInvoker = invokers[rawName];\n if (nextValue && existingInvoker) {\n // patch\n existingInvoker.value = nextValue;\n } else {\n const _parseName = parseName(rawName),\n _parseName2 = _slicedToArray(_parseName, 2),\n name = _parseName2[0],\n options = _parseName2[1];\n if (nextValue) {\n // add\n const invoker = invokers[rawName] = createInvoker(nextValue, instance);\n addEventListener(el, name, invoker, options);\n } else if (existingInvoker) {\n // remove\n removeEventListener(el, name, existingInvoker, options);\n invokers[rawName] = undefined;\n }\n }\n}\nconst optionsModifierRE = /(?:Once|Passive|Capture)$/;\nfunction parseName(name) {\n let options;\n if (optionsModifierRE.test(name)) {\n options = {};\n let m;\n while (m = name.match(optionsModifierRE)) {\n name = name.slice(0, name.length - m[0].length);\n options[m[0].toLowerCase()] = true;\n }\n }\n const event = name[2] === ':' ? name.slice(3) : hyphenate(name.slice(2));\n return [event, options];\n}\n// To avoid the overhead of repeatedly calling Date.now(), we cache\n// and use the same timestamp for all event listeners attached in the same tick.\nlet cachedNow = 0;\nconst p = /*#__PURE__*/Promise.resolve();\nconst getNow = () => cachedNow || (p.then(() => cachedNow = 0), cachedNow = Date.now());\nfunction createInvoker(initialValue, instance) {\n const invoker = e => {\n // async edge case vuejs/vue#6566\n // inner click event triggers patch, event handler\n // attached to outer element during patch, and triggered again. This\n // happens because browsers fire microtask ticks between event propagation.\n // this no longer happens for templates in Vue 3, but could still be\n // theoretically possible for hand-written render functions.\n // the solution: we save the timestamp when a handler is attached,\n // and also attach the timestamp to any event that was handled by vue\n // for the first time (to avoid inconsistent event timestamp implementations\n // or events fired from iframes, e.g. #2513)\n // The handler would only fire if the event passed to it was fired\n // AFTER it was attached.\n if (!e._vts) {\n e._vts = Date.now();\n } else if (e._vts <= invoker.attached) {\n return;\n }\n callWithAsyncErrorHandling(patchStopImmediatePropagation(e, invoker.value), instance, 5 /* ErrorCodes.NATIVE_EVENT_HANDLER */, [e]);\n };\n invoker.value = initialValue;\n invoker.attached = getNow();\n return invoker;\n}\nfunction patchStopImmediatePropagation(e, value) {\n if (isArray(value)) {\n const originalStop = e.stopImmediatePropagation;\n e.stopImmediatePropagation = () => {\n originalStop.call(e);\n e._stopped = true;\n };\n return value.map(fn => e => !e._stopped && fn && fn(e));\n } else {\n return value;\n }\n}\nconst nativeOnRE = /^on[a-z]/;\nconst patchProp = function (el, key, prevValue, nextValue) {\n let isSVG = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;\n let prevChildren = arguments.length > 5 ? arguments[5] : undefined;\n let parentComponent = arguments.length > 6 ? arguments[6] : undefined;\n let parentSuspense = arguments.length > 7 ? arguments[7] : undefined;\n let unmountChildren = arguments.length > 8 ? arguments[8] : undefined;\n if (key === 'class') {\n patchClass(el, nextValue, isSVG);\n } else if (key === 'style') {\n patchStyle(el, prevValue, nextValue);\n } else if (isOn(key)) {\n // ignore v-model listeners\n if (!isModelListener(key)) {\n patchEvent(el, key, prevValue, nextValue, parentComponent);\n }\n } else if (key[0] === '.' ? (key = key.slice(1), true) : key[0] === '^' ? (key = key.slice(1), false) : shouldSetAsProp(el, key, nextValue, isSVG)) {\n patchDOMProp(el, key, nextValue, prevChildren, parentComponent, parentSuspense, unmountChildren);\n } else {\n // special case for
with\n // :true-value & :false-value\n // store value as dom properties since non-string values will be\n // stringified.\n if (key === 'true-value') {\n el._trueValue = nextValue;\n } else if (key === 'false-value') {\n el._falseValue = nextValue;\n }\n patchAttr(el, key, nextValue, isSVG);\n }\n};\nfunction shouldSetAsProp(el, key, value, isSVG) {\n if (isSVG) {\n // most keys must be set as attribute on svg elements to work\n // ...except innerHTML & textContent\n if (key === 'innerHTML' || key === 'textContent') {\n return true;\n }\n // or native onclick with function values\n if (key in el && nativeOnRE.test(key) && isFunction(value)) {\n return true;\n }\n return false;\n }\n // these are enumerated attrs, however their corresponding DOM properties\n // are actually booleans - this leads to setting it with a string \"false\"\n // value leading it to be coerced to `true`, so we need to always treat\n // them as attributes.\n // Note that `contentEditable` doesn't have this problem: its DOM\n // property is also enumerated string values.\n if (key === 'spellcheck' || key === 'draggable' || key === 'translate') {\n return false;\n }\n // #1787, #2840 form property on form elements is readonly and must be set as\n // attribute.\n if (key === 'form') {\n return false;\n }\n // #1526
must be set as attribute\n if (key === 'list' && el.tagName === 'INPUT') {\n return false;\n }\n // #2766