kre-form/dist/@kre-form/abc/lib/fomula-hint.js

本项目由 Angular8+ 编写的表单设计器和表单应用，所有的配置都是 JSON 结构体组成,PC 端是基于 ANT 组件库封装

(function (mod) {
  if (typeof exports == "object" && typeof module == "object")
    // CommonJS
    mod(require("../../../codemirror/lib/codemirror"));
  else if (typeof define == "function" && define.amd)
    // AMD
    define(["../../../codemirror/lib/codemirror"], mod);
  // Plain browser env
  else mod(CodeMirror);
})(function (a) {
  function b(a, b) {
    for (var c = 0, d = a.length; c < d; ++c) b(a[c]);
  }

  function c(a, b) {
    if (!Array.prototype.indexOf) {
      for (var c = a.length; c--; ) if (a[c] === b) return !0;
      return !1;
    }
    return a.indexOf(b) != -1;
  }

  function d(b, c, d, e) {
    var h = b.getCursor(),
      i = d(b, h);
    if (!/\b(?:string)\b/.test(i.type)) {
      (i.state = a.innerMode(b.getMode(), i.state).state),
        /^[\w$_]*$/.test(i.string)
          ? i.end > h.ch &&
            ((i.end = h.ch), (i.string = i.string.slice(0, h.ch - i.start)))
          : (i = {
              start: h.ch,
              end: h.ch,
              string: "",
              state: i.state,
              type: "." == i.string ? "property" : null,
            });
      for (var j = i; "property" == j.type; ) {
        if (((j = d(b, g(h.line, j.start))), "." != j.string)) return;
        if (((j = d(b, g(h.line, j.start))), !k)) var k = [];
        k.push(j);
      }
      return {
        list: f(i, k, c, e),
        from: g(h.line, i.start),
        to: g(h.line, i.end),
      };
    }
  }

  function e(b, c) {
    return d(
      b,
      a.fomulaContext,
      function (a, b) {
        return a.getTokenAt(b);
      },
      c
    );
  }

  function f(a, d, e, f) {
    function g(a) {
      0 != a.lastIndexOf(i, 0) || c(h, a) || h.push(a);
    }
    var h = [],
      i = a.string.toUpperCase();
    return i ? (d && d.length ? d.pop() : b(e, g), h) : h;
  }
  var g = a.Pos;
  a.registerHelper("hint", "formula", e);
  ("use strict");
  a.defineMode("formula", function () {
    function b(a) {
      if (!!a && a.length > 0) {
        for (var b = {}, c = 0, d = a.length; c < d; ++c) {
          b[a[c]] = !0;
        }
        return b;
      }
    }

    function c(a, b) {
      if (a.eatSpace()) return null;
      var c = a.next();
      if ('"' === c || "'" === c) return d(a, c), "string";
      if ("​" === c) return d(a, c), "field";
      if (/[\[\],\(\)]/.test(c)) return "bracket";
      if (/[+\-*\/=<>!&|]/.test(c)) return "operator";
      if (/\d/.test(c)) return a.eatWhile(/[\d\.]/), "number";
      if (/[X]/.test(c)) return "string";
      a.eatWhile(/[\w]/);
      var e = a.current();
      return f.hasOwnProperty(e)
        ? "atom"
        : g.hasOwnProperty(e)
        ? "keyword"
        : h.hasOwnProperty(e)
        ? "deprecate"
        : null;
    }

    function d(a, b) {
      for (var c, d = !1; null != (c = a.next()); ) {
        if (c === b && !d) return !1;
        d = !d && "\\" === c;
      }
      return d;
    }

    function e(a, b) {
      return (b.tokens[0] || c)(a, b);
    }
    var f = b(["false", "true"]),
      g = b(a.fomulaContext),
      h = b(["MAP"]);
    return {
      startState: function () {
        return {
          tokens: [],
        };
      },
      token: function (a, b) {
        return e(a, b);
      },
      fold: "brace",
    };
  }),
    a.defineMIME("text/fx-formula", "formula");
});