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chore: update javascript block generators to const and let (#5661)

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This commit is contained in:
Rachel Fenichel
2021-11-03 10:27:13 -07:00
committed by GitHub
parent 6c0c81d2f8
commit de95ffd133
9 changed files with 337 additions and 305 deletions
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26
generators/javascript/colour.js
View File

@@ -16,31 +16,31 @@ goog.require('Blockly.JavaScript');
Blockly.JavaScript['colour_picker'] = function(block) {
// Colour picker.
var code = Blockly.JavaScript.quote_(block.getFieldValue('COLOUR'));
const code = Blockly.JavaScript.quote_(block.getFieldValue('COLOUR'));
return [code, Blockly.JavaScript.ORDER_ATOMIC];
};
Blockly.JavaScript['colour_random'] = function(block) {
// Generate a random colour.
var functionName = Blockly.JavaScript.provideFunction_(
const functionName = Blockly.JavaScript.provideFunction_(
'colourRandom',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ + '() {',
' var num = Math.floor(Math.random() * Math.pow(2, 24));',
' return \'#\' + (\'00000\' + num.toString(16)).substr(-6);',
'}']);
var code = functionName + '()';
const code = functionName + '()';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
};
Blockly.JavaScript['colour_rgb'] = function(block) {
// Compose a colour from RGB components expressed as percentages.
var red = Blockly.JavaScript.valueToCode(block, 'RED',
const red = Blockly.JavaScript.valueToCode(block, 'RED',
Blockly.JavaScript.ORDER_NONE) || 0;
var green = Blockly.JavaScript.valueToCode(block, 'GREEN',
const green = Blockly.JavaScript.valueToCode(block, 'GREEN',
Blockly.JavaScript.ORDER_NONE) || 0;
var blue = Blockly.JavaScript.valueToCode(block, 'BLUE',
const blue = Blockly.JavaScript.valueToCode(block, 'BLUE',
Blockly.JavaScript.ORDER_NONE) || 0;
var functionName = Blockly.JavaScript.provideFunction_(
const functionName = Blockly.JavaScript.provideFunction_(
'colourRgb',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(r, g, b) {',
@@ -52,19 +52,19 @@ Blockly.JavaScript['colour_rgb'] = function(block) {
' b = (\'0\' + (Math.round(b) || 0).toString(16)).slice(-2);',
' return \'#\' + r + g + b;',
'}']);
var code = functionName + '(' + red + ', ' + green + ', ' + blue + ')';
const code = functionName + '(' + red + ', ' + green + ', ' + blue + ')';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
};
Blockly.JavaScript['colour_blend'] = function(block) {
// Blend two colours together.
var c1 = Blockly.JavaScript.valueToCode(block, 'COLOUR1',
const c1 = Blockly.JavaScript.valueToCode(block, 'COLOUR1',
Blockly.JavaScript.ORDER_NONE) || '\'#000000\'';
var c2 = Blockly.JavaScript.valueToCode(block, 'COLOUR2',
const c2 = Blockly.JavaScript.valueToCode(block, 'COLOUR2',
Blockly.JavaScript.ORDER_NONE) || '\'#000000\'';
var ratio = Blockly.JavaScript.valueToCode(block, 'RATIO',
const ratio = Blockly.JavaScript.valueToCode(block, 'RATIO',
Blockly.JavaScript.ORDER_NONE) || 0.5;
var functionName = Blockly.JavaScript.provideFunction_(
const functionName = Blockly.JavaScript.provideFunction_(
'colourBlend',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(c1, c2, ratio) {',
@@ -83,6 +83,6 @@ Blockly.JavaScript['colour_blend'] = function(block) {
' b = (\'0\' + (b || 0).toString(16)).slice(-2);',
' return \'#\' + r + g + b;',
'}']);
var code = functionName + '(' + c1 + ', ' + c2 + ', ' + ratio + ')';
const code = functionName + '(' + c1 + ', ' + c2 + ', ' + ratio + ')';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
};

160
generators/javascript/lists.js
View File

@@ -21,18 +21,18 @@ Blockly.JavaScript['lists_create_empty'] = function(block) {
Blockly.JavaScript['lists_create_with'] = function(block) {
// Create a list with any number of elements of any type.
var elements = new Array(block.itemCount_);
for (var i = 0; i < block.itemCount_; i++) {
const elements = new Array(block.itemCount_);
for (let i = 0; i < block.itemCount_; i++) {
elements[i] = Blockly.JavaScript.valueToCode(block, 'ADD' + i,
Blockly.JavaScript.ORDER_NONE) || 'null';
}
var code = '[' + elements.join(', ') + ']';
const code = '[' + elements.join(', ') + ']';
return [code, Blockly.JavaScript.ORDER_ATOMIC];
};
Blockly.JavaScript['lists_repeat'] = function(block) {
// Create a list with one element repeated.
var functionName = Blockly.JavaScript.provideFunction_(
const functionName = Blockly.JavaScript.provideFunction_(
'listsRepeat',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(value, n) {',
@@ -42,37 +42,37 @@ Blockly.JavaScript['lists_repeat'] = function(block) {
' }',
' return array;',
'}']);
var element = Blockly.JavaScript.valueToCode(block, 'ITEM',
const element = Blockly.JavaScript.valueToCode(block, 'ITEM',
Blockly.JavaScript.ORDER_NONE) || 'null';
var repeatCount = Blockly.JavaScript.valueToCode(block, 'NUM',
const repeatCount = Blockly.JavaScript.valueToCode(block, 'NUM',
Blockly.JavaScript.ORDER_NONE) || '0';
var code = functionName + '(' + element + ', ' + repeatCount + ')';
const code = functionName + '(' + element + ', ' + repeatCount + ')';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
};
Blockly.JavaScript['lists_length'] = function(block) {
// String or array length.
var list = Blockly.JavaScript.valueToCode(block, 'VALUE',
const list = Blockly.JavaScript.valueToCode(block, 'VALUE',
Blockly.JavaScript.ORDER_MEMBER) || '[]';
return [list + '.length', Blockly.JavaScript.ORDER_MEMBER];
};
Blockly.JavaScript['lists_isEmpty'] = function(block) {
// Is the string null or array empty?
var list = Blockly.JavaScript.valueToCode(block, 'VALUE',
const list = Blockly.JavaScript.valueToCode(block, 'VALUE',
Blockly.JavaScript.ORDER_MEMBER) || '[]';
return ['!' + list + '.length', Blockly.JavaScript.ORDER_LOGICAL_NOT];
};
Blockly.JavaScript['lists_indexOf'] = function(block) {
// Find an item in the list.
var operator = block.getFieldValue('END') === 'FIRST' ?
const operator = block.getFieldValue('END') === 'FIRST' ?
'indexOf' : 'lastIndexOf';
var item = Blockly.JavaScript.valueToCode(block, 'FIND',
const item = Blockly.JavaScript.valueToCode(block, 'FIND',
Blockly.JavaScript.ORDER_NONE) || '\'\'';
var list = Blockly.JavaScript.valueToCode(block, 'VALUE',
const list = Blockly.JavaScript.valueToCode(block, 'VALUE',
Blockly.JavaScript.ORDER_MEMBER) || '[]';
var code = list + '.' + operator + '(' + item + ')';
const code = list + '.' + operator + '(' + item + ')';
if (block.workspace.options.oneBasedIndex) {
return [code + ' + 1', Blockly.JavaScript.ORDER_ADDITION];
}
@@ -82,19 +82,19 @@ Blockly.JavaScript['lists_indexOf'] = function(block) {
Blockly.JavaScript['lists_getIndex'] = function(block) {
// Get element at index.
// Note: Until January 2013 this block did not have MODE or WHERE inputs.
var mode = block.getFieldValue('MODE') || 'GET';
var where = block.getFieldValue('WHERE') || 'FROM_START';
var listOrder = (where === 'RANDOM') ? Blockly.JavaScript.ORDER_NONE :
const mode = block.getFieldValue('MODE') || 'GET';
const where = block.getFieldValue('WHERE') || 'FROM_START';
const listOrder = (where === 'RANDOM') ? Blockly.JavaScript.ORDER_NONE :
Blockly.JavaScript.ORDER_MEMBER;
var list = Blockly.JavaScript.valueToCode(block, 'VALUE', listOrder) || '[]';
const list = Blockly.JavaScript.valueToCode(block, 'VALUE', listOrder) || '[]';
switch (where) {
case ('FIRST'):
if (mode === 'GET') {
var code = list + '[0]';
const code = list + '[0]';
return [code, Blockly.JavaScript.ORDER_MEMBER];
} else if (mode === 'GET_REMOVE') {
var code = list + '.shift()';
const code = list + '.shift()';
return [code, Blockly.JavaScript.ORDER_MEMBER];
} else if (mode === 'REMOVE') {
return list + '.shift();\n';
@@ -102,41 +102,43 @@ Blockly.JavaScript['lists_getIndex'] = function(block) {
break;
case ('LAST'):
if (mode === 'GET') {
var code = list + '.slice(-1)[0]';
const code = list + '.slice(-1)[0]';
return [code, Blockly.JavaScript.ORDER_MEMBER];
} else if (mode === 'GET_REMOVE') {
var code = list + '.pop()';
const code = list + '.pop()';
return [code, Blockly.JavaScript.ORDER_MEMBER];
} else if (mode === 'REMOVE') {
return list + '.pop();\n';
}
break;
case ('FROM_START'):
var at = Blockly.JavaScript.getAdjusted(block, 'AT');
case ('FROM_START'): {
const at = Blockly.JavaScript.getAdjusted(block, 'AT');
if (mode === 'GET') {
var code = list + '[' + at + ']';
const code = list + '[' + at + ']';
return [code, Blockly.JavaScript.ORDER_MEMBER];
} else if (mode === 'GET_REMOVE') {
var code = list + '.splice(' + at + ', 1)[0]';
const code = list + '.splice(' + at + ', 1)[0]';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
} else if (mode === 'REMOVE') {
return list + '.splice(' + at + ', 1);\n';
}
break;
case ('FROM_END'):
var at = Blockly.JavaScript.getAdjusted(block, 'AT', 1, true);
}
case ('FROM_END'): {
const at = Blockly.JavaScript.getAdjusted(block, 'AT', 1, true);
if (mode === 'GET') {
var code = list + '.slice(' + at + ')[0]';
const code = list + '.slice(' + at + ')[0]';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
} else if (mode === 'GET_REMOVE') {
var code = list + '.splice(' + at + ', 1)[0]';
const code = list + '.splice(' + at + ', 1)[0]';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
} else if (mode === 'REMOVE') {
return list + '.splice(' + at + ', 1);';
}
break;
case ('RANDOM'):
var functionName = Blockly.JavaScript.provideFunction_(
}
case ('RANDOM'): {
const functionName = Blockly.JavaScript.provideFunction_(
'listsGetRandomItem',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(list, remove) {',
@@ -147,13 +149,14 @@ Blockly.JavaScript['lists_getIndex'] = function(block) {
' return list[x];',
' }',
'}']);
code = functionName + '(' + list + ', ' + (mode !== 'GET') + ')';
const code = functionName + '(' + list + ', ' + (mode !== 'GET') + ')';
if (mode === 'GET' || mode === 'GET_REMOVE') {
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
} else if (mode === 'REMOVE') {
return code + ';\n';
}
break;
}
}
throw Error('Unhandled combination (lists_getIndex).');
};
@@ -161,11 +164,11 @@ Blockly.JavaScript['lists_getIndex'] = function(block) {
Blockly.JavaScript['lists_setIndex'] = function(block) {
// Set element at index.
// Note: Until February 2013 this block did not have MODE or WHERE inputs.
var list = Blockly.JavaScript.valueToCode(block, 'LIST',
let list = Blockly.JavaScript.valueToCode(block, 'LIST',
Blockly.JavaScript.ORDER_MEMBER) || '[]';
var mode = block.getFieldValue('MODE') || 'GET';
var where = block.getFieldValue('WHERE') || 'FROM_START';
var value = Blockly.JavaScript.valueToCode(block, 'TO',
const mode = block.getFieldValue('MODE') || 'GET';
const where = block.getFieldValue('WHERE') || 'FROM_START';
const value = Blockly.JavaScript.valueToCode(block, 'TO',
Blockly.JavaScript.ORDER_ASSIGNMENT) || 'null';
// Cache non-trivial values to variables to prevent repeated look-ups.
// Closure, which accesses and modifies 'list'.
@@ -173,9 +176,9 @@ Blockly.JavaScript['lists_setIndex'] = function(block) {
if (list.match(/^\w+$/)) {
return '';
}
var listVar = Blockly.JavaScript.nameDB_.getDistinctName(
const listVar = Blockly.JavaScript.nameDB_.getDistinctName(
'tmpList', Blockly.VARIABLE_CATEGORY_NAME);
var code = 'var ' + listVar + ' = ' + list + ';\n';
const code = 'var ' + listVar + ' = ' + list + ';\n';
list = listVar;
return code;
}
@@ -189,25 +192,26 @@ Blockly.JavaScript['lists_setIndex'] = function(block) {
break;
case ('LAST'):
if (mode === 'SET') {
var code = cacheList();
let code = cacheList();
code += list + '[' + list + '.length - 1] = ' + value + ';\n';
return code;
} else if (mode === 'INSERT') {
return list + '.push(' + value + ');\n';
}
break;
case ('FROM_START'):
var at = Blockly.JavaScript.getAdjusted(block, 'AT');
case ('FROM_START'): {
const at = Blockly.JavaScript.getAdjusted(block, 'AT');
if (mode === 'SET') {
return list + '[' + at + '] = ' + value + ';\n';
} else if (mode === 'INSERT') {
return list + '.splice(' + at + ', 0, ' + value + ');\n';
}
break;
case ('FROM_END'):
var at = Blockly.JavaScript.getAdjusted(block, 'AT', 1, false,
}
case ('FROM_END'): {
const at = Blockly.JavaScript.getAdjusted(block, 'AT', 1, false,
Blockly.JavaScript.ORDER_SUBTRACTION);
var code = cacheList();
let code = cacheList();
if (mode === 'SET') {
code += list + '[' + list + '.length - ' + at + '] = ' + value + ';\n';
return code;
@@ -217,9 +221,10 @@ Blockly.JavaScript['lists_setIndex'] = function(block) {
return code;
}
break;
case ('RANDOM'):
var code = cacheList();
var xVar = Blockly.JavaScript.nameDB_.getDistinctName(
}
case ('RANDOM'): {
let code = cacheList();
const xVar = Blockly.JavaScript.nameDB_.getDistinctName(
'tmpX', Blockly.VARIABLE_CATEGORY_NAME);
code += 'var ' + xVar + ' = Math.floor(Math.random() * ' + list +
'.length);\n';
@@ -231,6 +236,7 @@ Blockly.JavaScript['lists_setIndex'] = function(block) {
return code;
}
break;
}
}
throw Error('Unhandled combination (lists_setIndex).');
};
@@ -257,54 +263,57 @@ Blockly.JavaScript.lists.getIndex_ = function(listName, where, opt_at) {
Blockly.JavaScript['lists_getSublist'] = function(block) {
// Get sublist.
var list = Blockly.JavaScript.valueToCode(block, 'LIST',
const list = Blockly.JavaScript.valueToCode(block, 'LIST',
Blockly.JavaScript.ORDER_MEMBER) || '[]';
var where1 = block.getFieldValue('WHERE1');
var where2 = block.getFieldValue('WHERE2');
const where1 = block.getFieldValue('WHERE1');
const where2 = block.getFieldValue('WHERE2');
let code;
if (where1 === 'FIRST' && where2 === 'LAST') {
var code = list + '.slice(0)';
code = list + '.slice(0)';
} else if (list.match(/^\w+$/) ||
(where1 !== 'FROM_END' && where2 === 'FROM_START')) {
// If the list is a variable or doesn't require a call for length, don't
// generate a helper function.
let at1;
switch (where1) {
case 'FROM_START':
var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1');
at1 = Blockly.JavaScript.getAdjusted(block, 'AT1');
break;
case 'FROM_END':
var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1', 1, false,
at1 = Blockly.JavaScript.getAdjusted(block, 'AT1', 1, false,
Blockly.JavaScript.ORDER_SUBTRACTION);
at1 = list + '.length - ' + at1;
break;
case 'FIRST':
var at1 = '0';
at1 = '0';
break;
default:
throw Error('Unhandled option (lists_getSublist).');
}
let at2;
switch (where2) {
case 'FROM_START':
var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2', 1);
at2 = Blockly.JavaScript.getAdjusted(block, 'AT2', 1);
break;
case 'FROM_END':
var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2', 0, false,
at2 = Blockly.JavaScript.getAdjusted(block, 'AT2', 0, false,
Blockly.JavaScript.ORDER_SUBTRACTION);
at2 = list + '.length - ' + at2;
break;
case 'LAST':
var at2 = list + '.length';
at2 = list + '.length';
break;
default:
throw Error('Unhandled option (lists_getSublist).');
}
code = list + '.slice(' + at1 + ', ' + at2 + ')';
} else {
var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1');
var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2');
var getIndex_ = Blockly.JavaScript.lists.getIndex_;
var wherePascalCase = {'FIRST': 'First', 'LAST': 'Last',
const at1 = Blockly.JavaScript.getAdjusted(block, 'AT1');
const at2 = Blockly.JavaScript.getAdjusted(block, 'AT2');
const getIndex_ = Blockly.JavaScript.lists.getIndex_;
const wherePascalCase = {'FIRST': 'First', 'LAST': 'Last',
'FROM_START': 'FromStart', 'FROM_END': 'FromEnd'};
var functionName = Blockly.JavaScript.provideFunction_(
const functionName = Blockly.JavaScript.provideFunction_(
'subsequence' + wherePascalCase[where1] + wherePascalCase[where2],
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(sequence' +
@@ -317,7 +326,7 @@ Blockly.JavaScript['lists_getSublist'] = function(block) {
' var end = ' + getIndex_('sequence', where2, 'at2') + ' + 1;',
' return sequence.slice(start, end);',
'}']);
var code = functionName + '(' + list +
code = functionName + '(' + list +
// The value for 'FROM_END' and 'FROM_START' depends on `at` so we
// pass it.
((where1 === 'FROM_END' || where1 === 'FROM_START') ? ', ' + at1 : '') +
@@ -329,11 +338,11 @@ Blockly.JavaScript['lists_getSublist'] = function(block) {
Blockly.JavaScript['lists_sort'] = function(block) {
// Block for sorting a list.
var list = Blockly.JavaScript.valueToCode(block, 'LIST',
const list = Blockly.JavaScript.valueToCode(block, 'LIST',
Blockly.JavaScript.ORDER_FUNCTION_CALL) || '[]';
var direction = block.getFieldValue('DIRECTION') === '1' ? 1 : -1;
var type = block.getFieldValue('TYPE');
var getCompareFunctionName = Blockly.JavaScript.provideFunction_(
const direction = block.getFieldValue('DIRECTION') === '1' ? 1 : -1;
const type = block.getFieldValue('TYPE');
const getCompareFunctionName = Blockly.JavaScript.provideFunction_(
'listsGetSortCompare',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(type, direction) {',
@@ -356,32 +365,33 @@ Blockly.JavaScript['lists_sort'] = function(block) {
Blockly.JavaScript['lists_split'] = function(block) {
// Block for splitting text into a list, or joining a list into text.
var input = Blockly.JavaScript.valueToCode(block, 'INPUT',
let input = Blockly.JavaScript.valueToCode(block, 'INPUT',
Blockly.JavaScript.ORDER_MEMBER);
var delimiter = Blockly.JavaScript.valueToCode(block, 'DELIM',
const delimiter = Blockly.JavaScript.valueToCode(block, 'DELIM',
Blockly.JavaScript.ORDER_NONE) || '\'\'';
var mode = block.getFieldValue('MODE');
const mode = block.getFieldValue('MODE');
let functionName;
if (mode === 'SPLIT') {
if (!input) {
input = '\'\'';
}
var functionName = 'split';
functionName = 'split';
} else if (mode === 'JOIN') {
if (!input) {
input = '[]';
}
var functionName = 'join';
functionName = 'join';
} else {
throw Error('Unknown mode: ' + mode);
}
var code = input + '.' + functionName + '(' + delimiter + ')';
const code = input + '.' + functionName + '(' + delimiter + ')';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
};
Blockly.JavaScript['lists_reverse'] = function(block) {
// Block for reversing a list.
var list = Blockly.JavaScript.valueToCode(block, 'LIST',
const list = Blockly.JavaScript.valueToCode(block, 'LIST',
Blockly.JavaScript.ORDER_FUNCTION_CALL) || '[]';
var code = list + '.slice().reverse()';
const code = list + '.slice().reverse()';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
};

50
generators/javascript/logic.js
View File

@@ -16,17 +16,17 @@ goog.require('Blockly.JavaScript');
Blockly.JavaScript['controls_if'] = function(block) {
// If/elseif/else condition.
var n = 0;
var code = '', branchCode, conditionCode;
let n = 0;
let code = '';
if (Blockly.JavaScript.STATEMENT_PREFIX) {
// Automatic prefix insertion is switched off for this block. Add manually.
code += Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_PREFIX,
block);
}
do {
conditionCode = Blockly.JavaScript.valueToCode(block, 'IF' + n,
const conditionCode = Blockly.JavaScript.valueToCode(block, 'IF' + n,
Blockly.JavaScript.ORDER_NONE) || 'false';
branchCode = Blockly.JavaScript.statementToCode(block, 'DO' + n);
let branchCode = Blockly.JavaScript.statementToCode(block, 'DO' + n);
if (Blockly.JavaScript.STATEMENT_SUFFIX) {
branchCode = Blockly.JavaScript.prefixLines(
Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_SUFFIX,
@@ -38,7 +38,7 @@ Blockly.JavaScript['controls_if'] = function(block) {
} while (block.getInput('IF' + n));
if (block.getInput('ELSE') || Blockly.JavaScript.STATEMENT_SUFFIX) {
branchCode = Blockly.JavaScript.statementToCode(block, 'ELSE');
let branchCode = Blockly.JavaScript.statementToCode(block, 'ELSE');
if (Blockly.JavaScript.STATEMENT_SUFFIX) {
branchCode = Blockly.JavaScript.prefixLines(
Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_SUFFIX,
@@ -53,7 +53,7 @@ Blockly.JavaScript['controls_ifelse'] = Blockly.JavaScript['controls_if'];
Blockly.JavaScript['logic_compare'] = function(block) {
// Comparison operator.
var OPERATORS = {
const OPERATORS = {
'EQ': '==',
'NEQ': '!=',
'LT': '<',
@@ -61,29 +61,29 @@ Blockly.JavaScript['logic_compare'] = function(block) {
'GT': '>',
'GTE': '>='
};
var operator = OPERATORS[block.getFieldValue('OP')];
var order = (operator === '==' || operator === '!=') ?
const operator = OPERATORS[block.getFieldValue('OP')];
const order = (operator === '==' || operator === '!=') ?
Blockly.JavaScript.ORDER_EQUALITY : Blockly.JavaScript.ORDER_RELATIONAL;
var argument0 = Blockly.JavaScript.valueToCode(block, 'A', order) || '0';
var argument1 = Blockly.JavaScript.valueToCode(block, 'B', order) || '0';
var code = argument0 + ' ' + operator + ' ' + argument1;
const argument0 = Blockly.JavaScript.valueToCode(block, 'A', order) || '0';
const argument1 = Blockly.JavaScript.valueToCode(block, 'B', order) || '0';
const code = argument0 + ' ' + operator + ' ' + argument1;
return [code, order];
};
Blockly.JavaScript['logic_operation'] = function(block) {
// Operations 'and', 'or'.
var operator = (block.getFieldValue('OP') === 'AND') ? '&&' : '||';
var order = (operator === '&&') ? Blockly.JavaScript.ORDER_LOGICAL_AND :
const operator = (block.getFieldValue('OP') === 'AND') ? '&&' : '||';
const order = (operator === '&&') ? Blockly.JavaScript.ORDER_LOGICAL_AND :
Blockly.JavaScript.ORDER_LOGICAL_OR;
var argument0 = Blockly.JavaScript.valueToCode(block, 'A', order);
var argument1 = Blockly.JavaScript.valueToCode(block, 'B', order);
let argument0 = Blockly.JavaScript.valueToCode(block, 'A', order);
let argument1 = Blockly.JavaScript.valueToCode(block, 'B', order);
if (!argument0 && !argument1) {
// If there are no arguments, then the return value is false.
argument0 = 'false';
argument1 = 'false';
} else {
// Single missing arguments have no effect on the return value.
var defaultArgument = (operator === '&&') ? 'true' : 'false';
const defaultArgument = (operator === '&&') ? 'true' : 'false';
if (!argument0) {
argument0 = defaultArgument;
}
@@ -91,22 +91,22 @@ Blockly.JavaScript['logic_operation'] = function(block) {
argument1 = defaultArgument;
}
}
var code = argument0 + ' ' + operator + ' ' + argument1;
const code = argument0 + ' ' + operator + ' ' + argument1;
return [code, order];
};
Blockly.JavaScript['logic_negate'] = function(block) {
// Negation.
var order = Blockly.JavaScript.ORDER_LOGICAL_NOT;
var argument0 = Blockly.JavaScript.valueToCode(block, 'BOOL', order) ||
const order = Blockly.JavaScript.ORDER_LOGICAL_NOT;
const argument0 = Blockly.JavaScript.valueToCode(block, 'BOOL', order) ||
'true';
var code = '!' + argument0;
const code = '!' + argument0;
return [code, order];
};
Blockly.JavaScript['logic_boolean'] = function(block) {
// Boolean values true and false.
var code = (block.getFieldValue('BOOL') === 'TRUE') ? 'true' : 'false';
const code = (block.getFieldValue('BOOL') === 'TRUE') ? 'true' : 'false';
return [code, Blockly.JavaScript.ORDER_ATOMIC];
};
@@ -117,12 +117,12 @@ Blockly.JavaScript['logic_null'] = function(block) {
Blockly.JavaScript['logic_ternary'] = function(block) {
// Ternary operator.
var value_if = Blockly.JavaScript.valueToCode(block, 'IF',
const value_if = Blockly.JavaScript.valueToCode(block, 'IF',
Blockly.JavaScript.ORDER_CONDITIONAL) || 'false';
var value_then = Blockly.JavaScript.valueToCode(block, 'THEN',
const value_then = Blockly.JavaScript.valueToCode(block, 'THEN',
Blockly.JavaScript.ORDER_CONDITIONAL) || 'null';
var value_else = Blockly.JavaScript.valueToCode(block, 'ELSE',
const value_else = Blockly.JavaScript.valueToCode(block, 'ELSE',
Blockly.JavaScript.ORDER_CONDITIONAL) || 'null';
var code = value_if + ' ? ' + value_then + ' : ' + value_else;
const code = value_if + ' ? ' + value_then + ' : ' + value_else;
return [code, Blockly.JavaScript.ORDER_CONDITIONAL];
};

57
generators/javascript/loops.js
View File

@@ -16,20 +16,21 @@ goog.require('Blockly.JavaScript');
Blockly.JavaScript['controls_repeat_ext'] = function(block) {
// Repeat n times.
let repeats;
if (block.getField('TIMES')) {
// Internal number.
var repeats = String(Number(block.getFieldValue('TIMES')));
repeats = String(Number(block.getFieldValue('TIMES')));
} else {
// External number.
var repeats = Blockly.JavaScript.valueToCode(block, 'TIMES',
repeats = Blockly.JavaScript.valueToCode(block, 'TIMES',
Blockly.JavaScript.ORDER_ASSIGNMENT) || '0';
}
var branch = Blockly.JavaScript.statementToCode(block, 'DO');
let branch = Blockly.JavaScript.statementToCode(block, 'DO');
branch = Blockly.JavaScript.addLoopTrap(branch, block);
var code = '';
var loopVar = Blockly.JavaScript.nameDB_.getDistinctName(
let code = '';
const loopVar = Blockly.JavaScript.nameDB_.getDistinctName(
'count', Blockly.VARIABLE_CATEGORY_NAME);
var endVar = repeats;
let endVar = repeats;
if (!repeats.match(/^\w+$/) && !Blockly.isNumber(repeats)) {
endVar = Blockly.JavaScript.nameDB_.getDistinctName(
'repeat_end', Blockly.VARIABLE_CATEGORY_NAME);
@@ -47,11 +48,11 @@ Blockly.JavaScript['controls_repeat'] =
Blockly.JavaScript['controls_whileUntil'] = function(block) {
// Do while/until loop.
var until = block.getFieldValue('MODE') === 'UNTIL';
var argument0 = Blockly.JavaScript.valueToCode(block, 'BOOL',
const until = block.getFieldValue('MODE') === 'UNTIL';
let argument0 = Blockly.JavaScript.valueToCode(block, 'BOOL',
until ? Blockly.JavaScript.ORDER_LOGICAL_NOT :
Blockly.JavaScript.ORDER_NONE) || 'false';
var branch = Blockly.JavaScript.statementToCode(block, 'DO');
let branch = Blockly.JavaScript.statementToCode(block, 'DO');
branch = Blockly.JavaScript.addLoopTrap(branch, block);
if (until) {
argument0 = '!' + argument0;
@@ -61,25 +62,25 @@ Blockly.JavaScript['controls_whileUntil'] = function(block) {
Blockly.JavaScript['controls_for'] = function(block) {
// For loop.
var variable0 = Blockly.JavaScript.nameDB_.getName(
const variable0 = Blockly.JavaScript.nameDB_.getName(
block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
var argument0 = Blockly.JavaScript.valueToCode(block, 'FROM',
const argument0 = Blockly.JavaScript.valueToCode(block, 'FROM',
Blockly.JavaScript.ORDER_ASSIGNMENT) || '0';
var argument1 = Blockly.JavaScript.valueToCode(block, 'TO',
const argument1 = Blockly.JavaScript.valueToCode(block, 'TO',
Blockly.JavaScript.ORDER_ASSIGNMENT) || '0';
var increment = Blockly.JavaScript.valueToCode(block, 'BY',
const increment = Blockly.JavaScript.valueToCode(block, 'BY',
Blockly.JavaScript.ORDER_ASSIGNMENT) || '1';
var branch = Blockly.JavaScript.statementToCode(block, 'DO');
let branch = Blockly.JavaScript.statementToCode(block, 'DO');
branch = Blockly.JavaScript.addLoopTrap(branch, block);
var code;
let code;
if (Blockly.isNumber(argument0) && Blockly.isNumber(argument1) &&
Blockly.isNumber(increment)) {
// All arguments are simple numbers.
var up = Number(argument0) <= Number(argument1);
const up = Number(argument0) <= Number(argument1);
code = 'for (' + variable0 + ' = ' + argument0 + '; ' +
variable0 + (up ? ' <= ' : ' >= ') + argument1 + '; ' +
variable0;
var step = Math.abs(Number(increment));
const step = Math.abs(Number(increment));
if (step === 1) {
code += up ? '++' : '--';
} else {
@@ -89,13 +90,13 @@ Blockly.JavaScript['controls_for'] = function(block) {
} else {
code = '';
// Cache non-trivial values to variables to prevent repeated look-ups.
var startVar = argument0;
let startVar = argument0;
if (!argument0.match(/^\w+$/) && !Blockly.isNumber(argument0)) {
startVar = Blockly.JavaScript.nameDB_.getDistinctName(
variable0 + '_start', Blockly.VARIABLE_CATEGORY_NAME);
code += 'var ' + startVar + ' = ' + argument0 + ';\n';
}
var endVar = argument1;
let endVar = argument1;
if (!argument1.match(/^\w+$/) && !Blockly.isNumber(argument1)) {
endVar = Blockly.JavaScript.nameDB_.getDistinctName(
variable0 + '_end', Blockly.VARIABLE_CATEGORY_NAME);
@@ -103,7 +104,7 @@ Blockly.JavaScript['controls_for'] = function(block) {
}
// Determine loop direction at start, in case one of the bounds
// changes during loop execution.
var incVar = Blockly.JavaScript.nameDB_.getDistinctName(
const incVar = Blockly.JavaScript.nameDB_.getDistinctName(
variable0 + '_inc', Blockly.VARIABLE_CATEGORY_NAME);
code += 'var ' + incVar + ' = ';
if (Blockly.isNumber(increment)) {
@@ -126,21 +127,21 @@ Blockly.JavaScript['controls_for'] = function(block) {
Blockly.JavaScript['controls_forEach'] = function(block) {
// For each loop.
var variable0 = Blockly.JavaScript.nameDB_.getName(
const variable0 = Blockly.JavaScript.nameDB_.getName(
block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
var argument0 = Blockly.JavaScript.valueToCode(block, 'LIST',
const argument0 = Blockly.JavaScript.valueToCode(block, 'LIST',
Blockly.JavaScript.ORDER_ASSIGNMENT) || '[]';
var branch = Blockly.JavaScript.statementToCode(block, 'DO');
let branch = Blockly.JavaScript.statementToCode(block, 'DO');
branch = Blockly.JavaScript.addLoopTrap(branch, block);
var code = '';
let code = '';
// Cache non-trivial values to variables to prevent repeated look-ups.
var listVar = argument0;
let listVar = argument0;
if (!argument0.match(/^\w+$/)) {
listVar = Blockly.JavaScript.nameDB_.getDistinctName(
variable0 + '_list', Blockly.VARIABLE_CATEGORY_NAME);
code += 'var ' + listVar + ' = ' + argument0 + ';\n';
}
var indexVar = Blockly.JavaScript.nameDB_.getDistinctName(
const indexVar = Blockly.JavaScript.nameDB_.getDistinctName(
variable0 + '_index', Blockly.VARIABLE_CATEGORY_NAME);
branch = Blockly.JavaScript.INDENT + variable0 + ' = ' +
listVar + '[' + indexVar + '];\n' + branch;
@@ -150,7 +151,7 @@ Blockly.JavaScript['controls_forEach'] = function(block) {
Blockly.JavaScript['controls_flow_statements'] = function(block) {
// Flow statements: continue, break.
var xfix = '';
let xfix = '';
if (Blockly.JavaScript.STATEMENT_PREFIX) {
// Automatic prefix insertion is switched off for this block. Add manually.
xfix += Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_PREFIX,
@@ -163,7 +164,7 @@ Blockly.JavaScript['controls_flow_statements'] = function(block) {
block);
}
if (Blockly.JavaScript.STATEMENT_PREFIX) {
var loop = Blockly.Constants.Loops
const loop = Blockly.Constants.Loops
.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN.getSurroundLoop(block);
if (loop && !loop.suppressPrefixSuffix) {
// Inject loop's statement prefix here since the regular one at the end

99
generators/javascript/math.js
View File

@@ -16,27 +16,27 @@ goog.require('Blockly.JavaScript');
Blockly.JavaScript['math_number'] = function(block) {
// Numeric value.
var code = Number(block.getFieldValue('NUM'));
var order = code >= 0 ? Blockly.JavaScript.ORDER_ATOMIC :
const code = Number(block.getFieldValue('NUM'));
const order = code >= 0 ? Blockly.JavaScript.ORDER_ATOMIC :
Blockly.JavaScript.ORDER_UNARY_NEGATION;
return [code, order];
};
Blockly.JavaScript['math_arithmetic'] = function(block) {
// Basic arithmetic operators, and power.
var OPERATORS = {
const OPERATORS = {
'ADD': [' + ', Blockly.JavaScript.ORDER_ADDITION],
'MINUS': [' - ', Blockly.JavaScript.ORDER_SUBTRACTION],
'MULTIPLY': [' * ', Blockly.JavaScript.ORDER_MULTIPLICATION],
'DIVIDE': [' / ', Blockly.JavaScript.ORDER_DIVISION],
'POWER': [null, Blockly.JavaScript.ORDER_NONE] // Handle power separately.
};
var tuple = OPERATORS[block.getFieldValue('OP')];
var operator = tuple[0];
var order = tuple[1];
var argument0 = Blockly.JavaScript.valueToCode(block, 'A', order) || '0';
var argument1 = Blockly.JavaScript.valueToCode(block, 'B', order) || '0';
var code;
const tuple = OPERATORS[block.getFieldValue('OP')];
const operator = tuple[0];
const order = tuple[1];
const argument0 = Blockly.JavaScript.valueToCode(block, 'A', order) || '0';
const argument1 = Blockly.JavaScript.valueToCode(block, 'B', order) || '0';
let code;
// Power in JavaScript requires a special case since it has no operator.
if (!operator) {
code = 'Math.pow(' + argument0 + ', ' + argument1 + ')';
@@ -48,9 +48,9 @@ Blockly.JavaScript['math_arithmetic'] = function(block) {
Blockly.JavaScript['math_single'] = function(block) {
// Math operators with single operand.
var operator = block.getFieldValue('OP');
var code;
var arg;
const operator = block.getFieldValue('OP');
let code;
let arg;
if (operator === 'NEG') {
// Negation is a special case given its different operator precedence.
arg = Blockly.JavaScript.valueToCode(block, 'NUM',
@@ -132,7 +132,7 @@ Blockly.JavaScript['math_single'] = function(block) {
Blockly.JavaScript['math_constant'] = function(block) {
// Constants: PI, E, the Golden Ratio, sqrt(2), 1/sqrt(2), INFINITY.
var CONSTANTS = {
const CONSTANTS = {
'PI': ['Math.PI', Blockly.JavaScript.ORDER_MEMBER],
'E': ['Math.E', Blockly.JavaScript.ORDER_MEMBER],
'GOLDEN_RATIO':
@@ -147,13 +147,13 @@ Blockly.JavaScript['math_constant'] = function(block) {
Blockly.JavaScript['math_number_property'] = function(block) {
// Check if a number is even, odd, prime, whole, positive, or negative
// or if it is divisible by certain number. Returns true or false.
var number_to_check = Blockly.JavaScript.valueToCode(block, 'NUMBER_TO_CHECK',
const number_to_check = Blockly.JavaScript.valueToCode(block, 'NUMBER_TO_CHECK',
Blockly.JavaScript.ORDER_MODULUS) || '0';
var dropdown_property = block.getFieldValue('PROPERTY');
var code;
const dropdown_property = block.getFieldValue('PROPERTY');
let code;
if (dropdown_property === 'PRIME') {
// Prime is a special case as it is not a one-liner test.
var functionName = Blockly.JavaScript.provideFunction_(
const functionName = Blockly.JavaScript.provideFunction_(
'mathIsPrime',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ + '(n) {',
' // https://en.wikipedia.org/wiki/Primality_test#Naive_methods',
@@ -193,20 +193,21 @@ Blockly.JavaScript['math_number_property'] = function(block) {
case 'NEGATIVE':
code = number_to_check + ' < 0';
break;
case 'DIVISIBLE_BY':
var divisor = Blockly.JavaScript.valueToCode(block, 'DIVISOR',
case 'DIVISIBLE_BY': {
const divisor = Blockly.JavaScript.valueToCode(block, 'DIVISOR',
Blockly.JavaScript.ORDER_MODULUS) || '0';
code = number_to_check + ' % ' + divisor + ' === 0';
break;
}
}
return [code, Blockly.JavaScript.ORDER_EQUALITY];
};
Blockly.JavaScript['math_change'] = function(block) {
// Add to a variable in place.
var argument0 = Blockly.JavaScript.valueToCode(block, 'DELTA',
const argument0 = Blockly.JavaScript.valueToCode(block, 'DELTA',
Blockly.JavaScript.ORDER_ADDITION) || '0';
var varName = Blockly.JavaScript.nameDB_.getName(
const varName = Blockly.JavaScript.nameDB_.getName(
block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
return varName + ' = (typeof ' + varName + ' === \'number\' ? ' + varName +
' : 0) + ' + argument0 + ';\n';
@@ -219,8 +220,9 @@ Blockly.JavaScript['math_trig'] = Blockly.JavaScript['math_single'];
Blockly.JavaScript['math_on_list'] = function(block) {
// Math functions for lists.
var func = block.getFieldValue('OP');
var list, code;
const func = block.getFieldValue('OP');
let list;
let code;
switch (func) {
case 'SUM':
list = Blockly.JavaScript.valueToCode(block, 'LIST',
@@ -237,9 +239,9 @@ Blockly.JavaScript['math_on_list'] = function(block) {
Blockly.JavaScript.ORDER_NONE) || '[]';
code = 'Math.max.apply(null, ' + list + ')';
break;
case 'AVERAGE':
case 'AVERAGE': {
// mathMean([null,null,1,3]) === 2.0.
var functionName = Blockly.JavaScript.provideFunction_(
const functionName = Blockly.JavaScript.provideFunction_(
'mathMean',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(myList) {',
@@ -250,9 +252,10 @@ Blockly.JavaScript['math_on_list'] = function(block) {
Blockly.JavaScript.ORDER_NONE) || '[]';
code = functionName + '(' + list + ')';
break;
case 'MEDIAN':
}
case 'MEDIAN': {
// mathMedian([null,null,1,3]) === 2.0.
var functionName = Blockly.JavaScript.provideFunction_(
const functionName = Blockly.JavaScript.provideFunction_(
'mathMedian',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(myList) {',
@@ -271,11 +274,12 @@ Blockly.JavaScript['math_on_list'] = function(block) {
Blockly.JavaScript.ORDER_NONE) || '[]';
code = functionName + '(' + list + ')';
break;
case 'MODE':
}
case 'MODE': {
// As a list of numbers can contain more than one mode,
// the returned result is provided as an array.
// Mode of [3, 'x', 'x', 1, 1, 2, '3'] -> ['x', 1].
var functionName = Blockly.JavaScript.provideFunction_(
const functionName = Blockly.JavaScript.provideFunction_(
'mathModes',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(values) {',
@@ -310,8 +314,9 @@ Blockly.JavaScript['math_on_list'] = function(block) {
Blockly.JavaScript.ORDER_NONE) || '[]';
code = functionName + '(' + list + ')';
break;
case 'STD_DEV':
var functionName = Blockly.JavaScript.provideFunction_(
}
case 'STD_DEV': {
const functionName = Blockly.JavaScript.provideFunction_(
'mathStandardDeviation',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(numbers) {',
@@ -329,8 +334,9 @@ Blockly.JavaScript['math_on_list'] = function(block) {
Blockly.JavaScript.ORDER_NONE) || '[]';
code = functionName + '(' + list + ')';
break;
case 'RANDOM':
var functionName = Blockly.JavaScript.provideFunction_(
}
case 'RANDOM': {
const functionName = Blockly.JavaScript.provideFunction_(
'mathRandomList',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(list) {',
@@ -341,6 +347,7 @@ Blockly.JavaScript['math_on_list'] = function(block) {
Blockly.JavaScript.ORDER_NONE) || '[]';
code = functionName + '(' + list + ')';
break;
}
default:
throw Error('Unknown operator: ' + func);
}
@@ -349,34 +356,34 @@ Blockly.JavaScript['math_on_list'] = function(block) {
Blockly.JavaScript['math_modulo'] = function(block) {
// Remainder computation.
var argument0 = Blockly.JavaScript.valueToCode(block, 'DIVIDEND',
const argument0 = Blockly.JavaScript.valueToCode(block, 'DIVIDEND',
Blockly.JavaScript.ORDER_MODULUS) || '0';
var argument1 = Blockly.JavaScript.valueToCode(block, 'DIVISOR',
const argument1 = Blockly.JavaScript.valueToCode(block, 'DIVISOR',
Blockly.JavaScript.ORDER_MODULUS) || '0';
var code = argument0 + ' % ' + argument1;
const code = argument0 + ' % ' + argument1;
return [code, Blockly.JavaScript.ORDER_MODULUS];
};
Blockly.JavaScript['math_constrain'] = function(block) {
// Constrain a number between two limits.
var argument0 = Blockly.JavaScript.valueToCode(block, 'VALUE',
const argument0 = Blockly.JavaScript.valueToCode(block, 'VALUE',
Blockly.JavaScript.ORDER_NONE) || '0';
var argument1 = Blockly.JavaScript.valueToCode(block, 'LOW',
const argument1 = Blockly.JavaScript.valueToCode(block, 'LOW',
Blockly.JavaScript.ORDER_NONE) || '0';
var argument2 = Blockly.JavaScript.valueToCode(block, 'HIGH',
const argument2 = Blockly.JavaScript.valueToCode(block, 'HIGH',
Blockly.JavaScript.ORDER_NONE) || 'Infinity';
var code = 'Math.min(Math.max(' + argument0 + ', ' + argument1 + '), ' +
const code = 'Math.min(Math.max(' + argument0 + ', ' + argument1 + '), ' +
argument2 + ')';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
};
Blockly.JavaScript['math_random_int'] = function(block) {
// Random integer between [X] and [Y].
var argument0 = Blockly.JavaScript.valueToCode(block, 'FROM',
const argument0 = Blockly.JavaScript.valueToCode(block, 'FROM',
Blockly.JavaScript.ORDER_NONE) || '0';
var argument1 = Blockly.JavaScript.valueToCode(block, 'TO',
const argument1 = Blockly.JavaScript.valueToCode(block, 'TO',
Blockly.JavaScript.ORDER_NONE) || '0';
var functionName = Blockly.JavaScript.provideFunction_(
const functionName = Blockly.JavaScript.provideFunction_(
'mathRandomInt',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(a, b) {',
@@ -388,7 +395,7 @@ Blockly.JavaScript['math_random_int'] = function(block) {
' }',
' return Math.floor(Math.random() * (b - a + 1) + a);',
'}']);
var code = functionName + '(' + argument0 + ', ' + argument1 + ')';
const code = functionName + '(' + argument0 + ', ' + argument1 + ')';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
};
@@ -399,9 +406,9 @@ Blockly.JavaScript['math_random_float'] = function(block) {
Blockly.JavaScript['math_atan2'] = function(block) {
// Arctangent of point (X, Y) in degrees from -180 to 180.
var argument0 = Blockly.JavaScript.valueToCode(block, 'X',
const argument0 = Blockly.JavaScript.valueToCode(block, 'X',
Blockly.JavaScript.ORDER_NONE) || '0';
var argument1 = Blockly.JavaScript.valueToCode(block, 'Y',
const argument1 = Blockly.JavaScript.valueToCode(block, 'Y',
Blockly.JavaScript.ORDER_NONE) || '0';
return ['Math.atan2(' + argument1 + ', ' + argument0 + ') / Math.PI * 180',
Blockly.JavaScript.ORDER_DIVISION];

38
generators/javascript/procedures.js
View File

@@ -16,9 +16,9 @@ goog.require('Blockly.JavaScript');
Blockly.JavaScript['procedures_defreturn'] = function(block) {
// Define a procedure with a return value.
var funcName = Blockly.JavaScript.nameDB_.getName(
const funcName = Blockly.JavaScript.nameDB_.getName(
block.getFieldValue('NAME'), Blockly.PROCEDURE_CATEGORY_NAME);
var xfix1 = '';
let xfix1 = '';
if (Blockly.JavaScript.STATEMENT_PREFIX) {
xfix1 += Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_PREFIX,
block);
@@ -30,16 +30,16 @@ Blockly.JavaScript['procedures_defreturn'] = function(block) {
if (xfix1) {
xfix1 = Blockly.JavaScript.prefixLines(xfix1, Blockly.JavaScript.INDENT);
}
var loopTrap = '';
let loopTrap = '';
if (Blockly.JavaScript.INFINITE_LOOP_TRAP) {
loopTrap = Blockly.JavaScript.prefixLines(
Blockly.JavaScript.injectId(Blockly.JavaScript.INFINITE_LOOP_TRAP,
block), Blockly.JavaScript.INDENT);
}
var branch = Blockly.JavaScript.statementToCode(block, 'STACK');
var returnValue = Blockly.JavaScript.valueToCode(block, 'RETURN',
const branch = Blockly.JavaScript.statementToCode(block, 'STACK');
let returnValue = Blockly.JavaScript.valueToCode(block, 'RETURN',
Blockly.JavaScript.ORDER_NONE) || '';
var xfix2 = '';
let xfix2 = '';
if (branch && returnValue) {
// After executing the function body, revisit this block for the return.
xfix2 = xfix1;
@@ -47,13 +47,13 @@ Blockly.JavaScript['procedures_defreturn'] = function(block) {
if (returnValue) {
returnValue = Blockly.JavaScript.INDENT + 'return ' + returnValue + ';\n';
}
var args = [];
var variables = block.getVars();
for (var i = 0; i < variables.length; i++) {
const args = [];
const variables = block.getVars();
for (let i = 0; i < variables.length; i++) {
args[i] = Blockly.JavaScript.nameDB_.getName(variables[i],
Blockly.VARIABLE_CATEGORY_NAME);
}
var code = 'function ' + funcName + '(' + args.join(', ') + ') {\n' +
let code = 'function ' + funcName + '(' + args.join(', ') + ') {\n' +
xfix1 + loopTrap + branch + xfix2 + returnValue + '}';
code = Blockly.JavaScript.scrub_(block, code);
// Add % so as not to collide with helper functions in definitions list.
@@ -68,15 +68,15 @@ Blockly.JavaScript['procedures_defnoreturn'] =
Blockly.JavaScript['procedures_callreturn'] = function(block) {
// Call a procedure with a return value.
var funcName = Blockly.JavaScript.nameDB_.getName(
const funcName = Blockly.JavaScript.nameDB_.getName(
block.getFieldValue('NAME'), Blockly.PROCEDURE_CATEGORY_NAME);
var args = [];
var variables = block.getVars();
for (var i = 0; i < variables.length; i++) {
const args = [];
const variables = block.getVars();
for (let i = 0; i < variables.length; i++) {
args[i] = Blockly.JavaScript.valueToCode(block, 'ARG' + i,
Blockly.JavaScript.ORDER_NONE) || 'null';
}
var code = funcName + '(' + args.join(', ') + ')';
const code = funcName + '(' + args.join(', ') + ')';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
};
@@ -84,15 +84,15 @@ Blockly.JavaScript['procedures_callnoreturn'] = function(block) {
// Call a procedure with no return value.
// Generated code is for a function call as a statement is the same as a
// function call as a value, with the addition of line ending.
var tuple = Blockly.JavaScript['procedures_callreturn'](block);
const tuple = Blockly.JavaScript['procedures_callreturn'](block);
return tuple[0] + ';\n';
};
Blockly.JavaScript['procedures_ifreturn'] = function(block) {
// Conditionally return value from a procedure.
var condition = Blockly.JavaScript.valueToCode(block, 'CONDITION',
const condition = Blockly.JavaScript.valueToCode(block, 'CONDITION',
Blockly.JavaScript.ORDER_NONE) || 'false';
var code = 'if (' + condition + ') {\n';
let code = 'if (' + condition + ') {\n';
if (Blockly.JavaScript.STATEMENT_SUFFIX) {
// Inject any statement suffix here since the regular one at the end
// will not get executed if the return is triggered.
@@ -101,7 +101,7 @@ Blockly.JavaScript['procedures_ifreturn'] = function(block) {
Blockly.JavaScript.INDENT);
}
if (block.hasReturnValue_) {
var value = Blockly.JavaScript.valueToCode(block, 'VALUE',
const value = Blockly.JavaScript.valueToCode(block, 'VALUE',
Blockly.JavaScript.ORDER_NONE) || 'null';
code += Blockly.JavaScript.INDENT + 'return ' + value + ';\n';
} else {

179
generators/javascript/text.js
View File

@@ -16,14 +16,14 @@ goog.require('Blockly.JavaScript');
Blockly.JavaScript['text'] = function(block) {
// Text value.
var code = Blockly.JavaScript.quote_(block.getFieldValue('TEXT'));
const code = Blockly.JavaScript.quote_(block.getFieldValue('TEXT'));
return [code, Blockly.JavaScript.ORDER_ATOMIC];
};
Blockly.JavaScript['text_multiline'] = function(block) {
// Text value.
var code = Blockly.JavaScript.multiline_quote_(block.getFieldValue('TEXT'));
var order = code.indexOf('+') !== -1 ? Blockly.JavaScript.ORDER_ADDITION :
const code = Blockly.JavaScript.multiline_quote_(block.getFieldValue('TEXT'));
const order = code.indexOf('+') !== -1 ? Blockly.JavaScript.ORDER_ADDITION :
Blockly.JavaScript.ORDER_ATOMIC;
return [code, order];
};
@@ -53,64 +53,67 @@ Blockly.JavaScript['text_join'] = function(block) {
switch (block.itemCount_) {
case 0:
return ['\'\'', Blockly.JavaScript.ORDER_ATOMIC];
case 1:
var element = Blockly.JavaScript.valueToCode(block, 'ADD0',
case 1: {
const element = Blockly.JavaScript.valueToCode(block, 'ADD0',
Blockly.JavaScript.ORDER_NONE) || '\'\'';
var codeAndOrder = Blockly.JavaScript.text.forceString_(element);
const codeAndOrder = Blockly.JavaScript.text.forceString_(element);
return codeAndOrder;
case 2:
var element0 = Blockly.JavaScript.valueToCode(block, 'ADD0',
}
case 2: {
const element0 = Blockly.JavaScript.valueToCode(block, 'ADD0',
Blockly.JavaScript.ORDER_NONE) || '\'\'';
var element1 = Blockly.JavaScript.valueToCode(block, 'ADD1',
const element1 = Blockly.JavaScript.valueToCode(block, 'ADD1',
Blockly.JavaScript.ORDER_NONE) || '\'\'';
var code = Blockly.JavaScript.text.forceString_(element0)[0] +
const code = Blockly.JavaScript.text.forceString_(element0)[0] +
' + ' + Blockly.JavaScript.text.forceString_(element1)[0];
return [code, Blockly.JavaScript.ORDER_ADDITION];
default:
var elements = new Array(block.itemCount_);
for (var i = 0; i < block.itemCount_; i++) {
}
default: {
const elements = new Array(block.itemCount_);
for (let i = 0; i < block.itemCount_; i++) {
elements[i] = Blockly.JavaScript.valueToCode(block, 'ADD' + i,
Blockly.JavaScript.ORDER_NONE) || '\'\'';
}
var code = '[' + elements.join(',') + '].join(\'\')';
const code = '[' + elements.join(',') + '].join(\'\')';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
}
}
};
Blockly.JavaScript['text_append'] = function(block) {
// Append to a variable in place.
var varName = Blockly.JavaScript.nameDB_.getName(
const varName = Blockly.JavaScript.nameDB_.getName(
block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
var value = Blockly.JavaScript.valueToCode(block, 'TEXT',
const value = Blockly.JavaScript.valueToCode(block, 'TEXT',
Blockly.JavaScript.ORDER_NONE) || '\'\'';
var code = varName + ' += ' +
const code = varName + ' += ' +
Blockly.JavaScript.text.forceString_(value)[0] + ';\n';
return code;
};
Blockly.JavaScript['text_length'] = function(block) {
// String or array length.
var text = Blockly.JavaScript.valueToCode(block, 'VALUE',
const text = Blockly.JavaScript.valueToCode(block, 'VALUE',
Blockly.JavaScript.ORDER_MEMBER) || '\'\'';
return [text + '.length', Blockly.JavaScript.ORDER_MEMBER];
};
Blockly.JavaScript['text_isEmpty'] = function(block) {
// Is the string null or array empty?
var text = Blockly.JavaScript.valueToCode(block, 'VALUE',
const text = Blockly.JavaScript.valueToCode(block, 'VALUE',
Blockly.JavaScript.ORDER_MEMBER) || '\'\'';
return ['!' + text + '.length', Blockly.JavaScript.ORDER_LOGICAL_NOT];
};
Blockly.JavaScript['text_indexOf'] = function(block) {
// Search the text for a substring.
var operator = block.getFieldValue('END') === 'FIRST' ?
const operator = block.getFieldValue('END') === 'FIRST' ?
'indexOf' : 'lastIndexOf';
var substring = Blockly.JavaScript.valueToCode(block, 'FIND',
const substring = Blockly.JavaScript.valueToCode(block, 'FIND',
Blockly.JavaScript.ORDER_NONE) || '\'\'';
var text = Blockly.JavaScript.valueToCode(block, 'VALUE',
const text = Blockly.JavaScript.valueToCode(block, 'VALUE',
Blockly.JavaScript.ORDER_MEMBER) || '\'\'';
var code = text + '.' + operator + '(' + substring + ')';
const code = text + '.' + operator + '(' + substring + ')';
// Adjust index if using one-based indices.
if (block.workspace.options.oneBasedIndex) {
return [code + ' + 1', Blockly.JavaScript.ORDER_ADDITION];
@@ -121,37 +124,42 @@ Blockly.JavaScript['text_indexOf'] = function(block) {
Blockly.JavaScript['text_charAt'] = function(block) {
// Get letter at index.
// Note: Until January 2013 this block did not have the WHERE input.
var where = block.getFieldValue('WHERE') || 'FROM_START';
var textOrder = (where === 'RANDOM') ? Blockly.JavaScript.ORDER_NONE :
const where = block.getFieldValue('WHERE') || 'FROM_START';
const textOrder = (where === 'RANDOM') ? Blockly.JavaScript.ORDER_NONE :
Blockly.JavaScript.ORDER_MEMBER;
var text = Blockly.JavaScript.valueToCode(block, 'VALUE',
const text = Blockly.JavaScript.valueToCode(block, 'VALUE',
textOrder) || '\'\'';
switch (where) {
case 'FIRST':
var code = text + '.charAt(0)';
case 'FIRST': {
const code = text + '.charAt(0)';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
case 'LAST':
var code = text + '.slice(-1)';
}
case 'LAST': {
const code = text + '.slice(-1)';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
case 'FROM_START':
var at = Blockly.JavaScript.getAdjusted(block, 'AT');
}
case 'FROM_START': {
const at = Blockly.JavaScript.getAdjusted(block, 'AT');
// Adjust index if using one-based indices.
var code = text + '.charAt(' + at + ')';
const code = text + '.charAt(' + at + ')';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
case 'FROM_END':
var at = Blockly.JavaScript.getAdjusted(block, 'AT', 1, true);
var code = text + '.slice(' + at + ').charAt(0)';
}
case 'FROM_END': {
const at = Blockly.JavaScript.getAdjusted(block, 'AT', 1, true);
const code = text + '.slice(' + at + ').charAt(0)';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
case 'RANDOM':
var functionName = Blockly.JavaScript.provideFunction_(
}
case 'RANDOM': {
const functionName = Blockly.JavaScript.provideFunction_(
'textRandomLetter',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(text) {',
' var x = Math.floor(Math.random() * text.length);',
' return text[x];',
'}']);
var code = functionName + '(' + text + ')';
const code = functionName + '(' + text + ')';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
}
}
throw Error('Unhandled option (text_charAt).');
};
@@ -178,58 +186,61 @@ Blockly.JavaScript.text.getIndex_ = function(stringName, where, opt_at) {
Blockly.JavaScript['text_getSubstring'] = function(block) {
// Get substring.
var where1 = block.getFieldValue('WHERE1');
var where2 = block.getFieldValue('WHERE2');
var requiresLengthCall = (where1 !== 'FROM_END' && where1 !== 'LAST' &&
const where1 = block.getFieldValue('WHERE1');
const where2 = block.getFieldValue('WHERE2');
const requiresLengthCall = (where1 !== 'FROM_END' && where1 !== 'LAST' &&
where2 !== 'FROM_END' && where2 !== 'LAST');
var textOrder = requiresLengthCall ? Blockly.JavaScript.ORDER_MEMBER :
const textOrder = requiresLengthCall ? Blockly.JavaScript.ORDER_MEMBER :
Blockly.JavaScript.ORDER_NONE;
var text = Blockly.JavaScript.valueToCode(block, 'STRING',
const text = Blockly.JavaScript.valueToCode(block, 'STRING',
textOrder) || '\'\'';
let code;
if (where1 === 'FIRST' && where2 === 'LAST') {
var code = text;
code = text;
return [code, Blockly.JavaScript.ORDER_NONE];
} else if (text.match(/^'?\w+'?$/) || requiresLengthCall) {
// If the text is a variable or literal or doesn't require a call for
// length, don't generate a helper function.
let at1;
switch (where1) {
case 'FROM_START':
var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1');
at1 = Blockly.JavaScript.getAdjusted(block, 'AT1');
break;
case 'FROM_END':
var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1', 1, false,
at1 = Blockly.JavaScript.getAdjusted(block, 'AT1', 1, false,
Blockly.JavaScript.ORDER_SUBTRACTION);
at1 = text + '.length - ' + at1;
break;
case 'FIRST':
var at1 = '0';
at1 = '0';
break;
default:
throw Error('Unhandled option (text_getSubstring).');
}
let at2;
switch (where2) {
case 'FROM_START':
var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2', 1);
at2 = Blockly.JavaScript.getAdjusted(block, 'AT2', 1);
break;
case 'FROM_END':
var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2', 0, false,
at2 = Blockly.JavaScript.getAdjusted(block, 'AT2', 0, false,
Blockly.JavaScript.ORDER_SUBTRACTION);
at2 = text + '.length - ' + at2;
break;
case 'LAST':
var at2 = text + '.length';
at2 = text + '.length';
break;
default:
throw Error('Unhandled option (text_getSubstring).');
}
code = text + '.slice(' + at1 + ', ' + at2 + ')';
} else {
var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1');
var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2');
var getIndex_ = Blockly.JavaScript.text.getIndex_;
var wherePascalCase = {'FIRST': 'First', 'LAST': 'Last',
const at1 = Blockly.JavaScript.getAdjusted(block, 'AT1');
const at2 = Blockly.JavaScript.getAdjusted(block, 'AT2');
const getIndex_ = Blockly.JavaScript.text.getIndex_;
const wherePascalCase = {'FIRST': 'First', 'LAST': 'Last',
'FROM_START': 'FromStart', 'FROM_END': 'FromEnd'};
var functionName = Blockly.JavaScript.provideFunction_(
const functionName = Blockly.JavaScript.provideFunction_(
'subsequence' + wherePascalCase[where1] + wherePascalCase[where2],
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(sequence' +
@@ -242,7 +253,7 @@ Blockly.JavaScript['text_getSubstring'] = function(block) {
' var end = ' + getIndex_('sequence', where2, 'at2') + ' + 1;',
' return sequence.slice(start, end);',
'}']);
var code = functionName + '(' + text +
code = functionName + '(' + text +
// The value for 'FROM_END' and 'FROM_START' depends on `at` so we
// pass it.
((where1 === 'FROM_END' || where1 === 'FROM_START') ? ', ' + at1 : '') +
@@ -254,22 +265,23 @@ Blockly.JavaScript['text_getSubstring'] = function(block) {
Blockly.JavaScript['text_changeCase'] = function(block) {
// Change capitalization.
var OPERATORS = {
const OPERATORS = {
'UPPERCASE': '.toUpperCase()',
'LOWERCASE': '.toLowerCase()',
'TITLECASE': null
};
var operator = OPERATORS[block.getFieldValue('CASE')];
var textOrder = operator ? Blockly.JavaScript.ORDER_MEMBER :
const operator = OPERATORS[block.getFieldValue('CASE')];
const textOrder = operator ? Blockly.JavaScript.ORDER_MEMBER :
Blockly.JavaScript.ORDER_NONE;
var text = Blockly.JavaScript.valueToCode(block, 'TEXT',
const text = Blockly.JavaScript.valueToCode(block, 'TEXT',
textOrder) || '\'\'';
let code;
if (operator) {
// Upper and lower case are functions built into JavaScript.
var code = text + operator;
code = text + operator;
} else {
// Title case is not a native JavaScript function. Define one.
var functionName = Blockly.JavaScript.provideFunction_(
const functionName = Blockly.JavaScript.provideFunction_(
'textToTitleCase',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(str) {',
@@ -277,43 +289,44 @@ Blockly.JavaScript['text_changeCase'] = function(block) {
' function(txt) {return txt[0].toUpperCase() + ' +
'txt.substring(1).toLowerCase();});',
'}']);
var code = functionName + '(' + text + ')';
code = functionName + '(' + text + ')';
}
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
};
Blockly.JavaScript['text_trim'] = function(block) {
// Trim spaces.
var OPERATORS = {
const OPERATORS = {
'LEFT': ".replace(/^[\\s\\xa0]+/, '')",
'RIGHT': ".replace(/[\\s\\xa0]+$/, '')",
'BOTH': '.trim()'
};
var operator = OPERATORS[block.getFieldValue('MODE')];
var text = Blockly.JavaScript.valueToCode(block, 'TEXT',
const operator = OPERATORS[block.getFieldValue('MODE')];
const text = Blockly.JavaScript.valueToCode(block, 'TEXT',
Blockly.JavaScript.ORDER_MEMBER) || '\'\'';
return [text + operator, Blockly.JavaScript.ORDER_FUNCTION_CALL];
};
Blockly.JavaScript['text_print'] = function(block) {
// Print statement.
var msg = Blockly.JavaScript.valueToCode(block, 'TEXT',
const msg = Blockly.JavaScript.valueToCode(block, 'TEXT',
Blockly.JavaScript.ORDER_NONE) || '\'\'';
return 'window.alert(' + msg + ');\n';
};
Blockly.JavaScript['text_prompt_ext'] = function(block) {
// Prompt function.
let msg;
if (block.getField('TEXT')) {
// Internal message.
var msg = Blockly.JavaScript.quote_(block.getFieldValue('TEXT'));
msg = Blockly.JavaScript.quote_(block.getFieldValue('TEXT'));
} else {
// External message.
var msg = Blockly.JavaScript.valueToCode(block, 'TEXT',
msg = Blockly.JavaScript.valueToCode(block, 'TEXT',
Blockly.JavaScript.ORDER_NONE) || '\'\'';
}
var code = 'window.prompt(' + msg + ')';
var toNumber = block.getFieldValue('TYPE') === 'NUMBER';
let code = 'window.prompt(' + msg + ')';
const toNumber = block.getFieldValue('TYPE') === 'NUMBER';
if (toNumber) {
code = 'Number(' + code + ')';
}
@@ -323,11 +336,11 @@ Blockly.JavaScript['text_prompt_ext'] = function(block) {
Blockly.JavaScript['text_prompt'] = Blockly.JavaScript['text_prompt_ext'];
Blockly.JavaScript['text_count'] = function(block) {
var text = Blockly.JavaScript.valueToCode(block, 'TEXT',
const text = Blockly.JavaScript.valueToCode(block, 'TEXT',
Blockly.JavaScript.ORDER_NONE) || '\'\'';
var sub = Blockly.JavaScript.valueToCode(block, 'SUB',
const sub = Blockly.JavaScript.valueToCode(block, 'SUB',
Blockly.JavaScript.ORDER_NONE) || '\'\'';
var functionName = Blockly.JavaScript.provideFunction_(
const functionName = Blockly.JavaScript.provideFunction_(
'textCount',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(haystack, needle) {',
@@ -337,20 +350,20 @@ Blockly.JavaScript['text_count'] = function(block) {
' return haystack.split(needle).length - 1;',
' }',
'}']);
var code = functionName + '(' + text + ', ' + sub + ')';
const code = functionName + '(' + text + ', ' + sub + ')';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
};
Blockly.JavaScript['text_replace'] = function(block) {
var text = Blockly.JavaScript.valueToCode(block, 'TEXT',
const text = Blockly.JavaScript.valueToCode(block, 'TEXT',
Blockly.JavaScript.ORDER_NONE) || '\'\'';
var from = Blockly.JavaScript.valueToCode(block, 'FROM',
const from = Blockly.JavaScript.valueToCode(block, 'FROM',
Blockly.JavaScript.ORDER_NONE) || '\'\'';
var to = Blockly.JavaScript.valueToCode(block, 'TO',
const to = Blockly.JavaScript.valueToCode(block, 'TO',
Blockly.JavaScript.ORDER_NONE) || '\'\'';
// The regex escaping code below is taken from the implementation of
// goog.string.regExpEscape.
var functionName = Blockly.JavaScript.provideFunction_(
const functionName = Blockly.JavaScript.provideFunction_(
'textReplace',
['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(haystack, needle, replacement) {',
@@ -359,13 +372,13 @@ Blockly.JavaScript['text_replace'] = function(block) {
' .replace(/\\x08/g,"\\\\x08");',
' return haystack.replace(new RegExp(needle, \'g\'), replacement);',
'}']);
var code = functionName + '(' + text + ', ' + from + ', ' + to + ')';
const code = functionName + '(' + text + ', ' + from + ', ' + to + ')';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
};
Blockly.JavaScript['text_reverse'] = function(block) {
var text = Blockly.JavaScript.valueToCode(block, 'TEXT',
const text = Blockly.JavaScript.valueToCode(block, 'TEXT',
Blockly.JavaScript.ORDER_MEMBER) || '\'\'';
var code = text + '.split(\'\').reverse().join(\'\')';
const code = text + '.split(\'\').reverse().join(\'\')';
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
};

9
generators/javascript/variables.js
View File

@@ -16,16 +16,17 @@ goog.require('Blockly.JavaScript');
Blockly.JavaScript['variables_get'] = function(block) {
// Variable getter.
var code = Blockly.JavaScript.nameDB_.getName(block.getFieldValue('VAR'),
const code = Blockly.JavaScript.nameDB_.getName(block.getFieldValue('VAR'),
Blockly.VARIABLE_CATEGORY_NAME);
return [code, Blockly.JavaScript.ORDER_ATOMIC];
};
Blockly.JavaScript['variables_set'] = function(block) {
// Variable setter.
var argument0 = Blockly.JavaScript.valueToCode(block, 'VALUE',
Blockly.JavaScript.ORDER_ASSIGNMENT) || '0';
var varName = Blockly.JavaScript.nameDB_.getName(
const argument0 = Blockly.JavaScript.valueToCode(
block, 'VALUE', Blockly.JavaScript.ORDER_ASSIGNMENT) ||
'0';
const varName = Blockly.JavaScript.nameDB_.getName(
block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
return varName + ' = ' + argument0 + ';\n';
};