hexo/node_modules/levn/lib/coerce.js

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2023-09-25 15:58:56 +08:00
// Generated by LiveScript 1.2.0
(function(){
var parsedTypeCheck, types, toString$ = {}.toString;
parsedTypeCheck = require('type-check').parsedTypeCheck;
types = {
'*': function(it){
switch (toString$.call(it).slice(8, -1)) {
case 'Array':
return coerceType(it, {
type: 'Array'
});
case 'Object':
return coerceType(it, {
type: 'Object'
});
default:
return {
type: 'Just',
value: coerceTypes(it, [
{
type: 'Undefined'
}, {
type: 'Null'
}, {
type: 'NaN'
}, {
type: 'Boolean'
}, {
type: 'Number'
}, {
type: 'Date'
}, {
type: 'RegExp'
}, {
type: 'Array'
}, {
type: 'Object'
}, {
type: 'String'
}
], {
explicit: true
})
};
}
},
Undefined: function(it){
if (it === 'undefined' || it === void 8) {
return {
type: 'Just',
value: void 8
};
} else {
return {
type: 'Nothing'
};
}
},
Null: function(it){
if (it === 'null') {
return {
type: 'Just',
value: null
};
} else {
return {
type: 'Nothing'
};
}
},
NaN: function(it){
if (it === 'NaN') {
return {
type: 'Just',
value: NaN
};
} else {
return {
type: 'Nothing'
};
}
},
Boolean: function(it){
if (it === 'true') {
return {
type: 'Just',
value: true
};
} else if (it === 'false') {
return {
type: 'Just',
value: false
};
} else {
return {
type: 'Nothing'
};
}
},
Number: function(it){
return {
type: 'Just',
value: +it
};
},
Int: function(it){
return {
type: 'Just',
value: parseInt(it)
};
},
Float: function(it){
return {
type: 'Just',
value: parseFloat(it)
};
},
Date: function(value, options){
var that;
if (that = /^\#(.*)\#$/.exec(value)) {
return {
type: 'Just',
value: new Date(+that[1] || that[1])
};
} else if (options.explicit) {
return {
type: 'Nothing'
};
} else {
return {
type: 'Just',
value: new Date(+value || value)
};
}
},
RegExp: function(value, options){
var that;
if (that = /^\/(.*)\/([gimy]*)$/.exec(value)) {
return {
type: 'Just',
value: new RegExp(that[1], that[2])
};
} else if (options.explicit) {
return {
type: 'Nothing'
};
} else {
return {
type: 'Just',
value: new RegExp(value)
};
}
},
Array: function(it){
return coerceArray(it, {
of: [{
type: '*'
}]
});
},
Object: function(it){
return coerceFields(it, {
of: {}
});
},
String: function(it){
var that;
if (toString$.call(it).slice(8, -1) !== 'String') {
return {
type: 'Nothing'
};
}
if (that = it.match(/^'(.*)'$/)) {
return {
type: 'Just',
value: that[1]
};
} else if (that = it.match(/^"(.*)"$/)) {
return {
type: 'Just',
value: that[1]
};
} else {
return {
type: 'Just',
value: it
};
}
}
};
function coerceArray(node, type){
var typeOf, element;
if (toString$.call(node).slice(8, -1) !== 'Array') {
return {
type: 'Nothing'
};
}
typeOf = type.of;
return {
type: 'Just',
value: (function(){
var i$, ref$, len$, results$ = [];
for (i$ = 0, len$ = (ref$ = node).length; i$ < len$; ++i$) {
element = ref$[i$];
results$.push(coerceTypes(element, typeOf));
}
return results$;
}())
};
}
function coerceTuple(node, type){
var result, i$, ref$, len$, i, types, that;
if (toString$.call(node).slice(8, -1) !== 'Array') {
return {
type: 'Nothing'
};
}
result = [];
for (i$ = 0, len$ = (ref$ = type.of).length; i$ < len$; ++i$) {
i = i$;
types = ref$[i$];
if (that = coerceTypes(node[i], types)) {
result.push(that);
}
}
return {
type: 'Just',
value: result
};
}
function coerceFields(node, type){
var typeOf, key, value;
if (toString$.call(node).slice(8, -1) !== 'Object') {
return {
type: 'Nothing'
};
}
typeOf = type.of;
return {
type: 'Just',
value: (function(){
var ref$, results$ = {};
for (key in ref$ = node) {
value = ref$[key];
results$[key] = coerceTypes(value, typeOf[key] || [{
type: '*'
}]);
}
return results$;
}())
};
}
function coerceType(node, typeObj, options){
var type, structure, coerceFunc;
type = typeObj.type, structure = typeObj.structure;
if (type) {
coerceFunc = types[type];
return coerceFunc(node, options);
} else {
switch (structure) {
case 'array':
return coerceArray(node, typeObj);
case 'tuple':
return coerceTuple(node, typeObj);
case 'fields':
return coerceFields(node, typeObj);
}
}
}
function coerceTypes(node, types, options){
var i$, len$, type, ref$, valueType, value;
for (i$ = 0, len$ = types.length; i$ < len$; ++i$) {
type = types[i$];
ref$ = coerceType(node, type, options), valueType = ref$.type, value = ref$.value;
if (valueType === 'Nothing') {
continue;
}
if (parsedTypeCheck([type], value)) {
return value;
}
}
throw new Error("Value " + JSON.stringify(node) + " does not type check against " + JSON.stringify(types) + ".");
}
module.exports = coerceTypes;
}).call(this);