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4 changes: 2 additions & 2 deletions dev/src/RegExr.js
Original file line number Diff line number Diff line change
Expand Up @@ -65,8 +65,8 @@ export default class RegExr extends EventDispatcher {
params = {};
}
if (params.engine) { this.flavor.value = params.engine; }
if (params.expression) { this.expression.value = params.expression; }
if (params.text) { this.text.value = params.text; }
if (params.expression !== undefined) { this.expression.value = params.expression; }
if (params.text !== undefined) { this.text.value = params.text; }
if (params.tool) { this.tools.value = {id:params.tool, input:params.input}; }

window.onbeforeunload = (e) => this.unsaved ? "You have unsaved changes." : null;
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2 changes: 1 addition & 1 deletion dev/src/views/Expression.js
Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,7 @@ export default class Expression extends EventDispatcher {
}

set value(expression) {
let regex = Utils.decomposeRegEx(expression || Expression.DEFAULT_EXPRESSION, this.delim);
let regex = Utils.decomposeRegEx(expression ?? Expression.DEFAULT_EXPRESSION, this.delim);
this.pattern = regex.source;
this.flags = regex.flags;
}
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2 changes: 1 addition & 1 deletion dev/src/views/Text.js
Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,7 @@ export default class Text extends EventDispatcher {
}

set value(val) {
this.editor.setValue(val || this.defaultText);
this.editor.setValue(val ?? this.defaultText);
}

get value() {
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