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Better the destructuring of nested array binding pattern
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Sheetal Nandi
parent
7945de4cd3
commit
de7626356c
@ -1986,8 +1986,8 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, Promi
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return result;
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}
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function createElementAccessExpression(expression: Expression, argumentExpression: Expression): ElementAccessExpression {
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const result = <ElementAccessExpression>createSourceMappedSynthesizedNode(SyntaxKind.ElementAccessExpression, argumentExpression);
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function createElementAccessExpression(expression: Expression, argumentExpression: Expression, sourceMapNode?: Node): ElementAccessExpression {
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const result = <ElementAccessExpression>createSourceMappedSynthesizedNode(SyntaxKind.ElementAccessExpression, sourceMapNode || argumentExpression);
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result.expression = parenthesizeForAccess(expression);
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result.argumentExpression = argumentExpression;
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@ -3996,7 +3996,7 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, Promi
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else if (element.kind !== SyntaxKind.OmittedExpression) {
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if (!element.dotDotDotToken) {
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// Rewrite element to a declaration that accesses array element at index i
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emitBindingElement(element, createElementAccessExpression(value, createNumericLiteral(i)));
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emitBindingElement(element, createElementAccessExpression(value, createNumericLiteral(i), element));
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}
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else if (i === numElements - 1) {
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emitBindingElement(element, createSliceCall(value, i));
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@ -1,2 +1,2 @@
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//// [sourceMapValidationDestructuringVariableStatementArrayBindingPattern2.js.map]
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{"version":3,"file":"sourceMapValidationDestructuringVariableStatementArrayBindingPattern2.js","sourceRoot":"","sources":["sourceMapValidationDestructuringVariableStatementArrayBindingPattern2.ts"],"names":[],"mappings":"AAIA,IAAI,WAAW,GAAsB,CAAC,OAAO,EAAE,CAAC,QAAQ,EAAE,EAAE,CAAC,CAAC,CAAC;AAC/D,IAAI,WAAW,GAAsB,CAAC,SAAS,EAAE,CAAC,UAAU,EAAE,QAAQ,CAAC,CAAC,CAAC;AAEzE,IAAI,uBAAwB,CAAC;AAC7B,IAAI,uBAAsB,CAAC;AAC3B,IAAK,uBAAM,uBAAG,qBAAa,EAAE,uBAAe,CAAiB;AAE7D,IAAI,6CAA4C,CAAC;AACjD,IAAkD,sCAAiC,EAA9E,eAAO,cAAG,qBAAa,EAAE,uBAAe,CAAuC;AAEpF,IAAI,sCAAkC,CAAC;AAEvC,EAAE,CAAC,CAAC,MAAM,IAAI,MAAM,CAAC,CAAC,CAAC;IACnB,OAAO,CAAC,GAAG,CAAC,MAAM,CAAC,CAAC,CAAC,GAAG,MAAM,CAAC,CAAC,CAAC,CAAC,CAAC;AACvC,CAAC"}
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{"version":3,"file":"sourceMapValidationDestructuringVariableStatementArrayBindingPattern2.js","sourceRoot":"","sources":["sourceMapValidationDestructuringVariableStatementArrayBindingPattern2.ts"],"names":[],"mappings":"AAIA,IAAI,WAAW,GAAsB,CAAC,OAAO,EAAE,CAAC,QAAQ,EAAE,EAAE,CAAC,CAAC,CAAC;AAC/D,IAAI,WAAW,GAAsB,CAAC,SAAS,EAAE,CAAC,UAAU,EAAE,QAAQ,CAAC,CAAC,CAAC;AAEzE,IAAI,uBAAwB,CAAC;AAC7B,IAAI,uBAAsB,CAAC;AAC3B,IAAK,uBAAM,EAAE,mBAAgC,EAA/B,qBAAa,EAAE,uBAAe,CAAiB;AAE7D,IAAI,6CAA4C,CAAC;AACjD,IAAkD,sCAAiC,EAA9E,eAAO,EAAE,UAAgC,EAA/B,qBAAa,EAAE,uBAAe,CAAuC;AAEpF,IAAI,sCAAkC,CAAC;AAEvC,EAAE,CAAC,CAAC,MAAM,IAAI,MAAM,CAAC,CAAC,CAAC;IACnB,OAAO,CAAC,GAAG,CAAC,MAAM,CAAC,CAAC,CAAC,GAAG,MAAM,CAAC,CAAC,CAAC,CAAC,CAAC;AACvC,CAAC"}
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@ -139,28 +139,34 @@ sourceFile:sourceMapValidationDestructuringVariableStatementArrayBindingPattern2
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1->
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2 >^^^^
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3 > ^^^^^^^^^^^^^^^^^^^^^^^
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4 > ^^^^^^^^^^^^^^^^^^^^^^^
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5 > ^^^^^^^^^^^^^^^^^^^^^
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6 > ^^
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7 > ^^^^^^^^^^^^^^^^^^^^^^^
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8 > ^
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4 > ^^
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5 > ^^^^^^^^^^^^^^^^^^^
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6 > ^^
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7 > ^^^^^^^^^^^^^^^^^^^^^
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8 > ^^
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9 > ^^^^^^^^^^^^^^^^^^^^^^^
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10> ^
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1->
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>
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2 >let [
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3 > nameMA
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4 > , [
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5 > primarySkillA
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6 > ,
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7 > secondarySkillA
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8 > ]] = multiRobotA;
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4 > ,
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5 > [primarySkillA, secondarySkillA]
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6 >
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7 > primarySkillA
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8 > ,
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9 > secondarySkillA
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10> ]] = multiRobotA;
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1->Emitted(5, 1) Source(10, 1) + SourceIndex(0)
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2 >Emitted(5, 5) Source(10, 6) + SourceIndex(0)
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3 >Emitted(5, 28) Source(10, 12) + SourceIndex(0)
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4 >Emitted(5, 51) Source(10, 15) + SourceIndex(0)
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5 >Emitted(5, 72) Source(10, 28) + SourceIndex(0)
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6 >Emitted(5, 74) Source(10, 30) + SourceIndex(0)
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7 >Emitted(5, 97) Source(10, 45) + SourceIndex(0)
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8 >Emitted(5, 98) Source(10, 62) + SourceIndex(0)
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4 >Emitted(5, 30) Source(10, 14) + SourceIndex(0)
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5 >Emitted(5, 49) Source(10, 46) + SourceIndex(0)
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6 >Emitted(5, 51) Source(10, 15) + SourceIndex(0)
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7 >Emitted(5, 72) Source(10, 28) + SourceIndex(0)
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8 >Emitted(5, 74) Source(10, 30) + SourceIndex(0)
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9 >Emitted(5, 97) Source(10, 45) + SourceIndex(0)
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10>Emitted(5, 98) Source(10, 62) + SourceIndex(0)
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---
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>>>var nameMC = ["roomba", ["vaccum", "mopping"]][0];
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1 >
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@ -185,32 +191,38 @@ sourceFile:sourceMapValidationDestructuringVariableStatementArrayBindingPattern2
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3 > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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4 > ^^
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5 > ^^^^^^^^^^^^^^^
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6 > ^^^^^^^^^^^^^^
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7 > ^^^^^^^^^^^^^^^^^^^^^
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8 > ^^
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9 > ^^^^^^^^^^^^^^^^^^^^^^^
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10> ^
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6 > ^^
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7 > ^^^^^^^^^^
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8 > ^^
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9 > ^^^^^^^^^^^^^^^^^^^^^
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10> ^^
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11> ^^^^^^^^^^^^^^^^^^^^^^^
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12> ^
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1->
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>
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2 >let [nameMC2, [primarySkillC, secondarySkillC]] =
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3 > ["roomba", ["vaccum", "mopping"]]
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4 >
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5 > nameMC2
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6 > , [
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7 > primarySkillC
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8 > ,
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9 > secondarySkillC
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10> ]] = ["roomba", ["vaccum", "mopping"]];
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6 > ,
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7 > [primarySkillC, secondarySkillC]
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8 >
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9 > primarySkillC
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10> ,
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11> secondarySkillC
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12> ]] = ["roomba", ["vaccum", "mopping"]];
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1->Emitted(7, 1) Source(13, 1) + SourceIndex(0)
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2 >Emitted(7, 5) Source(13, 51) + SourceIndex(0)
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3 >Emitted(7, 43) Source(13, 84) + SourceIndex(0)
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4 >Emitted(7, 45) Source(13, 6) + SourceIndex(0)
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5 >Emitted(7, 60) Source(13, 13) + SourceIndex(0)
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6 >Emitted(7, 74) Source(13, 16) + SourceIndex(0)
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7 >Emitted(7, 95) Source(13, 29) + SourceIndex(0)
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8 >Emitted(7, 97) Source(13, 31) + SourceIndex(0)
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9 >Emitted(7, 120) Source(13, 46) + SourceIndex(0)
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10>Emitted(7, 121) Source(13, 85) + SourceIndex(0)
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6 >Emitted(7, 62) Source(13, 15) + SourceIndex(0)
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7 >Emitted(7, 72) Source(13, 47) + SourceIndex(0)
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8 >Emitted(7, 74) Source(13, 16) + SourceIndex(0)
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9 >Emitted(7, 95) Source(13, 29) + SourceIndex(0)
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10>Emitted(7, 97) Source(13, 31) + SourceIndex(0)
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11>Emitted(7, 120) Source(13, 46) + SourceIndex(0)
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12>Emitted(7, 121) Source(13, 85) + SourceIndex(0)
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---
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>>>var multiRobotAInfo = multiRobotA.slice(0);
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1 >
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