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Dec 30, 2016
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15 changes: 14 additions & 1 deletion src/no-dropping-the-ra.js
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,11 @@ function isRaWord(token) {
token.basic_form == 'れる'
}

function isKoreru(token) {
return token.pos == '動詞' &&
token.basic_form == '来れる'
}

module.exports = function(context) {
const helper = new RuleHelper(context);
let {Syntax, report, getSource, RuleError} = context;
Expand All @@ -26,6 +31,14 @@ module.exports = function(context) {
}
let text = getSource(node);
return kuromojin(text).then(tokens => {
tokens.forEach((token) => {
if (isKoreru(token)) {
report(node, new RuleError("ら抜き言葉を使用しています。", {
index: (token.word_position)
}));
};
});

tokens.reduce((prev, current) => {
if (isTargetVerb(prev) && isRaWord(current)) {
report(node, new RuleError("ら抜き言葉を使用しています。", {
Expand All @@ -37,4 +50,4 @@ module.exports = function(context) {
});
}
}
};
};
25 changes: 23 additions & 2 deletions test/no-double-joshi-test.js
Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,8 @@ tester.run("no-dropping-the-ra", rule, {
valid: [
"お刺身を食べられない。",
"見られる",
"出られる"
"出られる",
"来られる"
],
invalid: [
{
Expand All @@ -28,6 +29,26 @@ tester.run("no-dropping-the-ra", rule, {
column: 6
}
]
},
{
text: "来れる",
errors: [
{
message: "ら抜き言葉を使用しています。",
line: 1,
column: 2
}
]
},
{
text: "女の子が来れないんです",
errors: [
{
message: "ら抜き言葉を使用しています。",
line: 1,
column: 6
}
]
}
]
});
});