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minor fixes #26

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minor fixes #26

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b916de7
Fix comparison with single "=" by throwing a better error message.
np42 Mar 20, 2017
2c1ed0b
Fix on requesting data stored in Native named objects (e.g. Error, Da…
np42 Mar 20, 2017
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13 changes: 12 additions & 1 deletion jmespath.js
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,13 @@
}
}

function isTraversable(obj) {
if (obj == null) return false;
var type = typeof obj;
if (type != 'function' && type != 'object') return false;
return true;
}

function strictDeepEqual(first, second) {
// Check the scalar case first.
if (first === second) {
Expand Down Expand Up @@ -402,6 +409,10 @@
if (stream[this._current] === "=") {
this._current++;
return {type: TOK_EQ, value: "==", start: start};
} else {
var error = new Error("Unexpected token: do you mean `==' operator ?");
error.name = "ParserError";
throw error;
}
}
},
Expand Down Expand Up @@ -868,7 +879,7 @@
case "Field":
if (value === null ) {
return null;
} else if (isObject(value)) {
} else if (isTraversable(value)) {
field = value[node.name];
if (field === undefined) {
return null;
Expand Down