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flow-parser

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flow-parser - npm Package Compare versions

Comparing version

to
0.33.0

2

package.json
{
"name": "flow-parser",
"version": "0.32.0",
"version": "0.33.0",
"license": "BSD-3-Clause",

@@ -5,0 +5,0 @@ "description": "JavaScript parser written in OCaml. Produces SpiderMonkey AST",

@@ -72,1 +72,7 @@ var types = require("ast-types/lib/types");

.field("exact", Boolean)
def("MetaProperty")
.bases("Expression")
.build("meta", "property")
.field("meta", def("Identifier"))
.field("property", def("Identifier"));

@@ -89,7 +89,2 @@ /**

switch (esprima.type) {
case "SwitchStatement":
// Esprima doesn't support let statements so it doesn't include the
// lexical field
delete flow.lexical;
break;
case 'TryStatement':

@@ -101,10 +96,5 @@ // The Mozilla spec changed over time. There used to be a "handlers"

flow.handlers = flow.handler ? [ flow.handler ] : [];
flow.guardedHandlers = [];
delete flow.handler;
break;
case 'CatchClause':
// Esprima doesn't support the guard property for catch clauses
if (!esprima.hasOwnProperty("guard")) {
esprima.guard = null;
}
break;
case 'Identifier':

@@ -259,12 +249,72 @@ if (esprima.optional === undefined) {

case 'ArrowFunctionExpression':
if (Array.isArray(esprima.defaults)) {
// esprima-fb uses a "defaults" array that is parallel to the "params"
// array. Flow and modern esprima use AssignmentPatterns within the
// params array.
if (Array.isArray(esprima.defaults) && Array.isArray(esprima.params)) {
for (var i = 0; i < esprima.defaults.length; i++) {
if (esprima.defaults[i] === undefined) {
esprima.defaults[i] = null;
var left = esprima.params[i];
var right = esprima.defaults[i];
if (right !== undefined && right !== null) {
var newParam = {
type: 'AssignmentPattern',
left: left,
right: right,
};
if (left.loc && right.loc) {
newParam.loc = {
start: {
line: left.loc.start.line,
column: left.loc.start.column,
},
end: {
line: right.loc.end.line,
column: right.loc.end.column,
},
};
if (left.loc.source) {
newParam.loc.source = left.loc.source;
}
}
if (left.range && right.range) {
newParam.range = [left.range[0], right.range[1]];
}
esprima.params[i] = newParam;
}
}
delete esprima.defaults;
}
// esprima-fb uses a "rest" property. Flow and modern esprima use
// RestElement within the params array.
if ('rest' in esprima) {
if (esprima.rest !== undefined && esprima.rest !== null) {
var arg = esprima.rest;
var rest = {
type: 'RestElement',
argument: arg,
};
if (arg.loc) {
rest.loc = {
start: {
line: arg.loc.start.line,
column: arg.loc.start.column - 3, // HACKY!
},
end: arg.loc.end,
};
if (arg.loc.source) {
rest.loc.source = arg.loc.source;
}
}
if (arg.range) {
rest.range = [arg.range[0] - 3, arg.range[1]]; // HACKY!
}
esprima.params.push(rest);
}
delete esprima.rest;
}
if (esprima.async === undefined) {
esprima.async = false;
}
delete flow.predicate;

@@ -271,0 +321,0 @@ }

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