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-rw-r--r--ext/js/language/language-transformer.js11
-rw-r--r--types/ext/language-transformer-internal.d.ts1
2 files changed, 10 insertions, 2 deletions
diff --git a/ext/js/language/language-transformer.js b/ext/js/language/language-transformer.js
index c9e261ea..7ad1895f 100644
--- a/ext/js/language/language-transformer.js
+++ b/ext/js/language/language-transformer.js
@@ -15,6 +15,8 @@
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
+import {escapeRegExp} from '../core/utilities.js';
+
export class LanguageTransformer {
constructor() {
/** @type {number} */
@@ -65,7 +67,9 @@ export class LanguageTransformer {
conditionsOut: conditionFlagsOut
});
}
- transforms2.push({name, rules: rules2});
+ const suffixes = rules.map((rule) => rule.suffixIn);
+ const suffixHeuristic = new RegExp(`(${suffixes.map((suffix) => escapeRegExp(suffix)).join('|')})$`);
+ transforms2.push({name, rules: rules2, suffixHeuristic});
}
this._nextFlagIndex = nextFlagIndex;
@@ -133,7 +137,10 @@ export class LanguageTransformer {
const results = [this._createTransformedText(sourceText, 0, [])];
for (let i = 0; i < results.length; ++i) {
const {text, conditions, trace} = results[i];
- for (const {name, rules} of this._transforms) {
+ for (const transform of this._transforms) {
+ if (!transform.suffixHeuristic.test(text)) { continue; }
+
+ const {name, rules} = transform;
for (let j = 0, jj = rules.length; j < jj; ++j) {
const rule = rules[j];
if (!LanguageTransformer.conditionsMatch(conditions, rule.conditionsIn)) { continue; }
diff --git a/types/ext/language-transformer-internal.d.ts b/types/ext/language-transformer-internal.d.ts
index cb0899e9..c186eeca 100644
--- a/types/ext/language-transformer-internal.d.ts
+++ b/types/ext/language-transformer-internal.d.ts
@@ -18,6 +18,7 @@
export type Transform = {
name: string;
rules: Rule[];
+ suffixHeuristic: RegExp;
};
export type Rule = {