08-27-周三_17-09-29

node_modules/css-select/index.js

@@ -0,0 +1,59 @@
+"use strict";
+
+module.exports = CSSselect;
+
+var Pseudos       = require("./lib/pseudos.js"),
+    DomUtils      = require("domutils"),
+    findOne       = DomUtils.findOne,
+    findAll       = DomUtils.findAll,
+    getChildren   = DomUtils.getChildren,
+    removeSubsets = DomUtils.removeSubsets,
+    falseFunc     = require("boolbase").falseFunc,
+    compile       = require("./lib/compile.js"),
+    compileUnsafe = compile.compileUnsafe,
+    compileToken  = compile.compileToken;
+
+function getSelectorFunc(searchFunc){
+	return function select(query, elems, options){
+        if(typeof query !== "function") query = compileUnsafe(query, options, elems);
+        if(!Array.isArray(elems)) elems = getChildren(elems);
+		else elems = removeSubsets(elems);
+		return searchFunc(query, elems);
+	};
+}
+
+var selectAll = getSelectorFunc(function selectAll(query, elems){
+	return (query === falseFunc || !elems || elems.length === 0) ? [] : findAll(query, elems);
+});
+
+var selectOne = getSelectorFunc(function selectOne(query, elems){
+	return (query === falseFunc || !elems || elems.length === 0) ? null : findOne(query, elems);
+});
+
+function is(elem, query, options){
+	return (typeof query === "function" ? query : compile(query, options))(elem);
+}
+
+/*
+	the exported interface
+*/
+function CSSselect(query, elems, options){
+	return selectAll(query, elems, options);
+}
+
+CSSselect.compile = compile;
+CSSselect.filters = Pseudos.filters;
+CSSselect.pseudos = Pseudos.pseudos;
+
+CSSselect.selectAll = selectAll;
+CSSselect.selectOne = selectOne;
+
+CSSselect.is = is;
+
+//legacy methods (might be removed)
+CSSselect.parse = compile;
+CSSselect.iterate = selectAll;
+
+//hooks
+CSSselect._compileUnsafe = compileUnsafe;
+CSSselect._compileToken = compileToken;