微信小程序代码-用于自学

var _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function(e) { return typeof e; } : function(e) { return e && "function" == typeof Symbol && e.constructor === Symbol && e !== Symbol.prototype ? "symbol" : typeof e; }; function getDefaultOpts(e) { var r = { omitExtraWLInCodeBlocks: { defaultValue: !1, describe: "Omit the default extra whiteline added to code blocks", type: "boolean" }, noHeaderId: { defaultValue: !1, describe: "Turn on/off generated header id", type: "boolean" }, prefixHeaderId: { defaultValue: !1, describe: "Specify a prefix to generated header ids", type: "string" }, headerLevelStart: { defaultValue: !1, describe: "The header blocks level start", type: "integer" }, parseImgDimensions: { defaultValue: !1, describe: "Turn on/off image dimension parsing", type: "boolean" }, simplifiedAutoLink: { defaultValue: !1, describe: "Turn on/off GFM autolink style", type: "boolean" }, literalMidWordUnderscores: { defaultValue: !1, describe: "Parse midword underscores as literal underscores", type: "boolean" }, strikethrough: { defaultValue: !1, describe: "Turn on/off strikethrough support", type: "boolean" }, tables: { defaultValue: !1, describe: "Turn on/off tables support", type: "boolean" }, tablesHeaderId: { defaultValue: !1, describe: "Add an id to table headers", type: "boolean" }, ghCodeBlocks: { defaultValue: !0, describe: "Turn on/off GFM fenced code blocks support", type: "boolean" }, tasklists: { defaultValue: !1, describe: "Turn on/off GFM tasklist support", type: "boolean" }, smoothLivePreview: { defaultValue: !1, describe: "Prevents weird effects in live previews due to incomplete input", type: "boolean" }, smartIndentationFix: { defaultValue: !1, description: "Tries to smartly fix identation in es6 strings", type: "boolean" } }; if (!1 === e) return JSON.parse(JSON.stringify(r)); var n = {}; for (var t in r) r.hasOwnProperty(t) && (n[t] = r[t].defaultValue); return n; } var showdown = {}, parsers = {}, extensions = {}, globalOptions = getDefaultOpts(!0), flavor = { github: { omitExtraWLInCodeBlocks: !0, prefixHeaderId: "user-content-", simplifiedAutoLink: !0, literalMidWordUnderscores: !0, strikethrough: !0, tables: !0, tablesHeaderId: !0, ghCodeBlocks: !0, tasklists: !0 }, vanilla: getDefaultOpts(!0) }; function validate(e, r) { var n = r ? "Error in " + r + " extension->" : "Error in unnamed extension", t = { valid: !0, error: "" }; showdown.helper.isArray(e) || (e = [ e ]); for (var o = 0; o < e.length; ++o) { var s = n + " sub-extension " + o + ": ", a = e[o]; if ("object" !== (void 0 === a ? "undefined" : _typeof(a))) return t.valid = !1, t.error = s + "must be an object, but " + (void 0 === a ? "undefined" : _typeof(a)) + " given", t; if (!showdown.helper.isString(a.type)) return t.valid = !1, t.error = s + 'property "type" must be a string, but ' + _typeof(a.type) + " given", t; var i = a.type = a.type.toLowerCase(); if ("language" === i && (i = a.type = "lang"), "html" === i && (i = a.type = "output"), "lang" !== i && "output" !== i && "listener" !== i) return t.valid = !1, t.error = s + "type " + i + ' is not recognized. Valid values: "lang/language", "output/html" or "listener"', t; if ("listener" === i) { if (showdown.helper.isUndefined(a.listeners)) return t.valid = !1, t.error = s + '. Extensions of type "listener" must have a property called "listeners"', t; } else if (showdown.helper.isUndefined(a.filter) && showdown.helper.isUndefined(a.regex)) return t.valid = !1, t.error = s + i + ' extensions must define either a "regex" property or a "filter" method', t; if (a.listeners) { if ("object" !== _typeof(a.listeners)) return t.valid = !1, t.error = s + '"listeners" property must be an object but ' + _typeof(a.listeners) + " given", t; for (var l in a.listeners) if (a.listeners.hasOwnProperty(l) && "function" != typeof a.listeners[l]) return t.valid = !1, t.error = s + '"listeners" property must be an hash of [event name]: [callback]. listeners.' + l + " must be a function but " + _typeof(a.listeners[l]) + " given", t; } if (a.filter) { if ("function" != typeof a.filter) return t.valid = !1, t.error = s + '"filter" must be a function, but ' + _typeof(a.filter) + " given", t; } else if (a.regex) { if (showdown.helper.isString(a.regex) && (a.regex = new RegExp(a.regex, "g")), !a.regex instanceof RegExp) return t.valid = !1, t.error = s + '"regex" property must either be a string or a RegExp object, but ' + _typeof(a.regex) + " given", t; if (showdown.helper.isUndefined(a.replace)) return t.valid = !1, t.error = s + '"regex" extensions must implement a replace string or function', t; } } return t; } function escapeCharactersCallback(e, r) { return "~E" + r.charCodeAt(0) + "E"; } showdown.helper = {}, showdown.extensions = {}, showdown.setOption = function(e, r) { return globalOptions[e] = r, this; }, showdown.getOption = function(e) { return globalOptions[e]; }, showdown.getOptions = function() { return globalOptions; }, showdown.resetOptions = function() { globalOptions = getDefaultOpts(!0); }, showdown.setFlavor = function(e) { if (flavor.hasOwnProperty(e)) { var r = flavor[e]; for (var n in r) r.hasOwnProperty(n) && (globalOptions[n] = r[n]); } }, showdown.getDefaultOptions = function(e) { return getDefaultOpts(e); }, showdown.subParser = function(e, r) { if (showdown.helper.isString(e)) { if (void 0 === r) { if (parsers.hasOwnProperty(e)) return parsers[e]; throw Error("SubParser named " + e + " not registered!"); } parsers[e] = r; } }, showdown.extension = function(e, r) { if (!showdown.helper.isString(e)) throw Error("Extension 'name' must be a string"); if (e = showdown.helper.stdExtName(e), showdown.helper.isUndefined(r)) { if (!extensions.hasOwnProperty(e)) throw Error("Extension named " + e + " is not registered!"); return extensions[e]; } "function" == typeof r && (r = r()), showdown.helper.isArray(r) || (r = [ r ]); var n = validate(r, e); if (!n.valid) throw Error(n.error); extensions[e] = r; }, showdown.getAllExtensions = function() { return extensions; }, showdown.removeExtension = function(e) { delete extensions[e]; }, showdown.resetExtensions = function() { extensions = {}; }, showdown.validateExtension = function(e) { var r = validate(e, null); return !!r.valid || (console.warn(r.error), !1); }, showdown.hasOwnProperty("helper") || (showdown.helper = {}), showdown.helper.isString = function(e) { return "string" == typeof e || e instanceof String; }, showdown.helper.isFunction = function(e) { return e && "[object Function]" === {}.toString.call(e); }, showdown.helper.forEach = function(e, r) { i