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JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var selector_1 = tslib_1.__importDefault(require("./selector"));
var element_1 = tslib_1.__importDefault(require("./element"));
var ruleset_1 = tslib_1.__importDefault(require("./ruleset"));
var declaration_1 = tslib_1.__importDefault(require("./declaration"));
var detached_ruleset_1 = tslib_1.__importDefault(require("./detached-ruleset"));
var expression_1 = tslib_1.__importDefault(require("./expression"));
var contexts_1 = tslib_1.__importDefault(require("../contexts"));
var utils = tslib_1.__importStar(require("../utils"));
var Definition = function (name, params, rules, condition, variadic, frames, visibilityInfo) {
this.name = name || 'anonymous mixin';
this.selectors = [new selector_1.default([new element_1.default(null, name, false, this._index, this._fileInfo)])];
this.params = params;
this.condition = condition;
this.variadic = variadic;
this.arity = params.length;
this.rules = rules;
this._lookups = {};
var optionalParameters = [];
this.required = params.reduce(function (count, p) {
if (!p.name || (p.name && !p.value)) {
return count + 1;
}
else {
optionalParameters.push(p.name);
return count;
}
}, 0);
this.optionalParameters = optionalParameters;
this.frames = frames;
this.copyVisibilityInfo(visibilityInfo);
this.allowRoot = true;
};
Definition.prototype = Object.assign(new ruleset_1.default(), {
type: 'MixinDefinition',
evalFirst: true,
accept: function (visitor) {
if (this.params && this.params.length) {
this.params = visitor.visitArray(this.params);
}
this.rules = visitor.visitArray(this.rules);
if (this.condition) {
this.condition = visitor.visit(this.condition);
}
},
evalParams: function (context, mixinEnv, args, evaldArguments) {
/* jshint boss:true */
var frame = new ruleset_1.default(null, null);
var varargs;
var arg;
var params = utils.copyArray(this.params);
var i;
var j;
var val;
var name;
var isNamedFound;
var argIndex;
var argsLength = 0;
if (mixinEnv.frames && mixinEnv.frames[0] && mixinEnv.frames[0].functionRegistry) {
frame.functionRegistry = mixinEnv.frames[0].functionRegistry.inherit();
}
mixinEnv = new contexts_1.default.Eval(mixinEnv, [frame].concat(mixinEnv.frames));
if (args) {
args = utils.copyArray(args);
argsLength = args.length;
for (i = 0; i < argsLength; i++) {
arg = args[i];
if (name = (arg && arg.name)) {
isNamedFound = false;
for (j = 0; j < params.length; j++) {
if (!evaldArguments[j] && name === params[j].name) {
evaldArguments[j] = arg.value.eval(context);
frame.prependRule(new declaration_1.default(name, arg.value.eval(context)));
isNamedFound = true;
break;
}
}
if (isNamedFound) {
args.splice(i, 1);
i--;
continue;
}
else {
throw { type: 'Runtime', message: "Named argument for ".concat(this.name, " ").concat(args[i].name, " not found") };
}
}
}
}
argIndex = 0;
for (i = 0; i < params.length; i++) {
if (evaldArguments[i]) {
continue;
}
arg = args && args[argIndex];
if (name = params[i].name) {
if (params[i].variadic) {
varargs = [];
for (j = argIndex; j < argsLength; j++) {
varargs.push(args[j].value.eval(context));
}
frame.prependRule(new declaration_1.default(name, new expression_1.default(varargs).eval(context)));
}
else {
val = arg && arg.value;
if (val) {
// This was a mixin call, pass in a detached ruleset of it's eval'd rules
if (Array.isArray(val)) {
val = new detached_ruleset_1.default(new ruleset_1.default('', val));
}
else {
val = val.eval(context);
}
}
else if (params[i].value) {
val = params[i].value.eval(mixinEnv);
frame.resetCache();
}
else {
throw { type: 'Runtime', message: "wrong number of arguments for ".concat(this.name, " (").concat(argsLength, " for ").concat(this.arity, ")") };
}
frame.prependRule(new declaration_1.default(name, val));
evaldArguments[i] = val;
}
}
if (params[i].variadic && args) {
for (j = argIndex; j < argsLength; j++) {
evaldArguments[j] = args[j].value.eval(context);
}
}
argIndex++;
}
return frame;
},
makeImportant: function () {
var rules = !this.rules ? this.rules : this.rules.map(function (r) {
if (r.makeImportant) {
return r.makeImportant(true);
}
else {
return r;
}
});
var result = new Definition(this.name, this.params, rules, this.condition, this.variadic, this.frames);
return result;
},
eval: function (context) {
return new Definition(this.name, this.params, this.rules, this.condition, this.variadic, this.frames || utils.copyArray(context.frames));
},
evalCall: function (context, args, important) {
var _arguments = [];
var mixinFrames = this.frames ? this.frames.concat(context.frames) : context.frames;
var frame = this.evalParams(context, new contexts_1.default.Eval(context, mixinFrames), args, _arguments);
var rules;
var ruleset;
frame.prependRule(new declaration_1.default('@arguments', new expression_1.default(_arguments).eval(context)));
rules = utils.copyArray(this.rules);
ruleset = new ruleset_1.default(null, rules);
ruleset.originalRuleset = this;
ruleset = ruleset.eval(new contexts_1.default.Eval(context, [this, frame].concat(mixinFrames)));
if (important) {
ruleset = ruleset.makeImportant();
}
return ruleset;
},
matchCondition: function (args, context) {
if (this.condition && !this.condition.eval(new contexts_1.default.Eval(context, [this.evalParams(context, /* the parameter variables */ new contexts_1.default.Eval(context, this.frames ? this.frames.concat(context.frames) : context.frames), args, [])]
.concat(this.frames || []) // the parent namespace/mixin frames
.concat(context.frames)))) { // the current environment frames
return false;
}
return true;
},
matchArgs: function (args, context) {
var allArgsCnt = (args && args.length) || 0;
var len;
var optionalParameters = this.optionalParameters;
var requiredArgsCnt = !args ? 0 : args.reduce(function (count, p) {
if (optionalParameters.indexOf(p.name) < 0) {
return count + 1;
}
else {
return count;
}
}, 0);
if (!this.variadic) {
if (requiredArgsCnt < this.required) {
return false;
}
if (allArgsCnt > this.params.length) {
return false;
}
}
else {
if (requiredArgsCnt < (this.required - 1)) {
return false;
}
}
// check patterns
len = Math.min(requiredArgsCnt, this.arity);
for (var i = 0; i < len; i++) {
if (!this.params[i].name && !this.params[i].variadic) {
if (args[i].value.eval(context).toCSS() != this.params[i].value.eval(context).toCSS()) {
return false;
}
}
}
return true;
}
});
exports.default = Definition;
//# sourceMappingURL=mixin-definition.js.map