weapp_bbs/components/parser.min/parser.js

// 小程序富文本插件 https://github.com/jin-yufeng/Parser
"use strict";
function _defineProperty(t, e, i) {
  return (
    e in t
      ? Object.defineProperty(t, e, {
          value: i,
          enumerable: !0,
          configurable: !0,
          writable: !0,
        })
      : (t[e] = i),
    t
  );
}
function hash(t) {
  for (var e = t.length, i = 5381; e--; ) i += (i << 5) + t.charCodeAt(e);
  return i;
}
var _typeof =
    "function" == typeof Symbol && "symbol" == typeof Symbol.iterator
      ? function (t) {
          return typeof t;
        }
      : function (t) {
          return t &&
            "function" == typeof Symbol &&
            t.constructor === Symbol &&
            t !== Symbol.prototype
            ? "symbol"
            : typeof t;
        },
  cache = {},
  Parser = require("./libs/MpHtmlParser.js"),
  fs = wx.getFileSystemManager && wx.getFileSystemManager();
try {
  var dom = require("./libs/document.js.js.js");
} catch (t) {}
Component({
  options: { pureDataPattern: /^[acdgtux]|W/ },
  properties: {
    html: {
      type: null,
      observer: function (t) {
        this._refresh ? (this._refresh = !1) : this.setContent(t, !1, !0);
      },
    },
    autosetTitle: { type: Boolean, value: !0 },
    autopause: { type: Boolean, value: !0 },
    compress: Number,
    domain: String,
    gestureZoom: Boolean,
    lazyLoad: Boolean,
    selectable: Boolean,
    tagStyle: Object,
    showWithAnimation: Boolean,
    useAnchor: Boolean,
    useCache: Boolean,
    xml: Boolean,
  },
  relations: { "../parser-group/parser-group": { type: "ancestor" } },
  created: function () {
    (this.imgList = []),
      (this.imgList.setItem = function (t, e) {
        var i = this;
        if (t && e) {
          if (0 == e.indexOf("http") && this.includes(e)) {
            for (
              var s, a = "", n = 0;
              (s = e[n]) && ("/" != s || "/" == e[n - 1] || "/" == e[n + 1]);
              n++
            )
              a += Math.random() > 0.5 ? s.toUpperCase() : s;
            return (a += e.substr(n)), (this[t] = a);
          }
          if (((this[t] = e), e.includes("data:image"))) {
            var r = e.match(/data:image\/(\S+?);(\S+?),(.+)/);
            if (!r) return;
            var o = wx.env.USER_DATA_PATH + "/" + Date.now() + "." + r[1];
            fs &&
              fs.writeFile({
                filePath: o,
                data: r[3],
                encoding: r[2],
                success: function () {
                  return (i[t] = o);
                },
              });
          }
        }
      }),
      (this.imgList.each = function (t) {
        for (var e = 0, i = this.length; e < i; e++)
          this.setItem(e, t(this[e], e, this));
      });
  },
  detached: function () {
    this.imgList.each(function (t) {
      t &&
        t.includes(wx.env.USER_DATA_PATH) &&
        fs &&
        fs.unlink({ filePath: t });
    }),
      clearInterval(this._timer);
  },
  methods: {
    navigateTo: function (t) {
      var e = this;
      if (!this.data.useAnchor)
        return t.fail && t.fail({ errMsg: "Anchor is disabled" });
      this.createSelectorQuery()
        .select(".top" + (t.id ? ">>>#" + t.id : ""))
        .boundingClientRect()
        .selectViewport()
        .scrollOffset()
        .exec(function (i) {
          if (!i[0])
            return e.group
              ? e.group.navigateTo(e.i, t)
              : t.fail && t.fail({ errMsg: "Label not found" });
          (t.scrollTop = i[1].scrollTop + i[0].top), wx.pageScrollTo(t);
        });
    },
    getText: function () {
      for (
        var t,
          e =
            arguments.length > 0 && void 0 !== arguments[0]
              ? arguments[0]
              : this.data.html,
          i = "",
          s = 0;
        (t = e[s++]);

      )
        if ("text" == t.type)
          i += t.text
            .replace(/&nbsp;/g, " ")
            .replace(/&lt;/g, "<")
            .replace(/&gt;/g, ">")
            .replace(/&amp;/g, "&");
        else if ("br" == t.type) i += "\n";
        else {
          var a =
            "p" == t.name ||
            "div" == t.name ||
            "tr" == t.name ||
            "li" == t.name ||
            ("h" == t.name[0] && t.name[1] > "0" && t.name[1] < "7");
          a && i && "\n" != i[i.length - 1] && (i += "\n"),
            t.children && (i += this.getText(t.children)),
            a && "\n" != i[i.length - 1]
              ? (i += "\n")
              : ("td" != t.name && "th" != t.name) || (i += "\t");
        }
      return i;
    },
    getVideoContext: function (t) {
      if (!t) return this.videoContexts;
      for (var e = this.videoContexts.length; e--; )
        if (this.videoContexts[e].id == t) return this.videoContexts[e];
    },
    setContent: function (t, e, i) {
      var s = this,
        a = {};
      if (t)
        if ("string" == typeof t) {
          var n = new Parser(t, this.data);
          if (this.data.useCache) {
            var r = hash(t);
            cache[r]
              ? (a.html = cache[r])
              : ((a.html = n.parse()), (cache[r] = a.html));
          } else a.html = n.parse();
          (this._refresh = !0), this.triggerEvent("parse", a.html);
        } else if (t.constructor == Array) {
          if (t.length && "Parser" != t[0].PoweredBy) {
            var o = new Parser("", this.data);
            !(function t(e) {
              for (var i, s = 0; (i = e[s]); s++)
                if ("text" != i.type) {
                  i.attrs = i.attrs || {};
                  for (var a in i.attrs)
                    "string" != typeof i.attrs[a] &&
                      (i.attrs[a] = i.attrs[a].toString());
                  o.matchAttr(i),
                    i.children &&
                      (o.STACK.push(i),
                      t(i.children),
                      o.popNode(o.STACK.pop()));
                }
            })(t),
              (a.html = t);
          }
          i || (a.html = t);
        } else {
          if ("object" != (void 0 === t ? "undefined" : _typeof(t)) || !t.nodes)
            return console.warn(
              "错误的 html 类型：" + (void 0 === t ? "undefined" : _typeof(t))
            );
          (a.html = t.nodes),
            console.warn("错误的 html 类型：object 类型已废弃");
        }
      else {
        if (i || e) return;
        a.html = "";
      }
      e
        ? ((this._refresh = !0),
          (a.html = (this.data.html || []).concat(a.html)))
        : this.data.showWithAnimation && (a.showAm = "animation: show .5s"),
        (a.html || a.showAm) && this.setData(a),
        this.data.html.length &&
          this.data.html[0].title &&
          this.data.autosetTitle &&
          wx.setNavigationBarTitle({ title: this.data.html[0].title }),
        (this.imgList.length = 0),
        (this.videoContexts = []),
        dom && (this.document = new dom(this.data.html, "html", this));
      for (
        var h, l = this.selectAllComponents(".top,.top>>>._node"), c = 0;
        (h = l[c++]);

      ) {
        h.top = this;
        for (var m, f = 0; (m = h.data.nodes[f++]); )
          if (!m.c)
            if ("img" == m.name) this.imgList.setItem(m.attrs.i, m.attrs.src);
            else if ("video" == m.name || "audio" == m.name) {
              var u;
              (u =
                "video" == m.name
                  ? wx.createVideoContext(m.attrs.id, h)
                  : h.selectComponent("#" + m.attrs.id)),
                u && ((u.id = m.attrs.id), this.videoContexts.push(u));
            }
      }
      (wx.nextTick || setTimeout)(function () {
        return s.triggerEvent("load");
      }, 50);
      var d;
      clearInterval(this._timer),
        (this._timer = setInterval(function () {
          s.createSelectorQuery()
            .select(".top")
            .boundingClientRect(function (t) {
              (s.rect = t),
                t.height == d &&
                  (s.triggerEvent("ready", t), clearInterval(s._timer)),
                (d = t.height);
            })
            .exec();
        }, 350));
    },
    preLoad: function (t, e) {
      if ("string" == typeof t) {
        var i = hash(t);
        (t = new Parser(t, this.data).parse()), (cache[i] = t);
      }
      var s,
        a = [];
      !(function t(e) {
        for (var i, s = 0; (i = e[s++]); )
          "img" == i.name &&
            i.attrs.src &&
            !a.includes(i.attrs.src) &&
            a.push(i.attrs.src),
            t(i.children || []);
      })(t),
        e && (a = a.slice(0, e)),
        (this._wait = (this._wait || []).concat(a)),
        this.data.imgs
          ? this.data.imgs.length < 15 &&
            (s = this.data.imgs.concat(
              this._wait.splice(0, 15 - this.data.imgs.length)
            ))
          : (s = this._wait.splice(0, 15)),
        s && this.setData({ imgs: s });
    },
    _load: function (t) {
      this._wait.length &&
        this.setData(
          _defineProperty({}, "imgs[" + t.target.id + "]", this._wait.shift())
        );
    },
    _tap: function (t) {
      if (this.data.gestureZoom && t.timeStamp - this._lastT < 300) {
        var e = t.detail.y - t.currentTarget.offsetTop;
        if (this._zoom)
          this._scaleAm.translateX(0).scale(1).step(),
            wx.pageScrollTo({
              scrollTop: (e + this._initY) / 2 - t.touches[0].clientY,
              duration: 400,
            });
        else {
          var i = t.detail.x - t.currentTarget.offsetLeft;
          (this._initY = e),
            (this._scaleAm = wx.createAnimation({
              transformOrigin: i + "px " + this._initY + "px 0",
              timingFunction: "ease-in-out",
            })),
            this._scaleAm.scale(2).step(),
            (this._tMax = i / 2),
            (this._tMin = (i - this.rect.width) / 2),
            (this._tX = 0);
        }
        (this._zoom = !this._zoom),
          this.setData({ scaleAm: this._scaleAm.export() });
      }
      this._lastT = t.timeStamp;
    },
    _touchstart: function (t) {
      1 == t.touches.length && (this._initX = this._lastX = t.touches[0].pageX);
    },
    _touchmove: function (t) {
      var e = t.touches[0].pageX - this._lastX;
      if (this._zoom && 1 == t.touches.length && Math.abs(e) > 20) {
        if (
          ((this._lastX = t.touches[0].pageX),
          (this._tX <= this._tMin && e < 0) ||
            (this._tX >= this._tMax && e > 0))
        )
          return;
        (this._tX += e * Math.abs(this._lastX - this._initX) * 0.05),
          this._tX < this._tMin && (this._tX = this._tMin),
          this._tX > this._tMax && (this._tX = this._tMax),
          this._scaleAm.translateX(this._tX).step(),
          this.setData({ scaleAm: this._scaleAm.export() });
      }
    },
  },
});