chore: Use ES6 template strings in CSS and code generators (#5902)

* Unindent CSS, save 3 kb of code.
* Convert generator functions to template strings. 
This resolves #5761.
This commit is contained in:
Neil Fraser
2022-01-28 17:58:43 -08:00
committed by GitHub
parent a31003fab9
commit 1f6a1bd8d9
39 changed files with 2194 additions and 2062 deletions

View File

@@ -32,11 +32,15 @@ Lua['lists_create_with'] = function(block) {
Lua['lists_repeat'] = function(block) {
// Create a list with one element repeated.
const functionName = Lua.provideFunction_('create_list_repeated', [
'function ' + Lua.FUNCTION_NAME_PLACEHOLDER_ + '(item, count)',
' local t = {}', ' for i = 1, count do', ' table.insert(t, item)',
' end', ' return t', 'end'
]);
const functionName = Lua.provideFunction_('create_list_repeated', `
function ${Lua.FUNCTION_NAME_PLACEHOLDER_}(item, count)
local t = {}
for i = 1, count do
table.insert(t, item)
end
return t
end
`);
const element = Lua.valueToCode(block, 'ITEM', Lua.ORDER_NONE) || 'None';
const repeatCount = Lua.valueToCode(block, 'NUM', Lua.ORDER_NONE) || '0';
const code = functionName + '(' + element + ', ' + repeatCount + ')';
@@ -58,21 +62,31 @@ Lua['lists_isEmpty'] = function(block) {
Lua['lists_indexOf'] = function(block) {
// Find an item in the list.
const item = Lua.valueToCode(block, 'FIND', Lua.ORDER_NONE) || '\'\'';
const item = Lua.valueToCode(block, 'FIND', Lua.ORDER_NONE) || "''";
const list = Lua.valueToCode(block, 'VALUE', Lua.ORDER_NONE) || '{}';
let functionName;
if (block.getFieldValue('END') === 'FIRST') {
functionName = Lua.provideFunction_('first_index', [
'function ' + Lua.FUNCTION_NAME_PLACEHOLDER_ + '(t, elem)',
' for k, v in ipairs(t) do', ' if v == elem then', ' return k',
' end', ' end', ' return 0', 'end'
]);
functionName = Lua.provideFunction_('first_index', `
function ${Lua.FUNCTION_NAME_PLACEHOLDER_}(t, elem)
for k, v in ipairs(t) do
if v == elem then
return k
end
end
return 0
end
`);
} else {
functionName = Lua.provideFunction_('last_index', [
'function ' + Lua.FUNCTION_NAME_PLACEHOLDER_ + '(t, elem)',
' for i = #t, 1, -1 do', ' if t[i] == elem then', ' return i',
' end', ' end', ' return 0', 'end'
]);
functionName = Lua.provideFunction_('last_index', `
function ${Lua.FUNCTION_NAME_PLACEHOLDER_}(t, elem)
for i = #t, 1, -1 do
if t[i] == elem then
return i
end
end
return 0
end
`);
}
const code = functionName + '(' + list + ', ' + item + ')';
return [code, Lua.ORDER_HIGH];
@@ -217,22 +231,24 @@ Lua['lists_getSublist'] = function(block) {
const at1 = Lua.valueToCode(block, 'AT1', Lua.ORDER_NONE) || '1';
const at2 = Lua.valueToCode(block, 'AT2', Lua.ORDER_NONE) || '1';
// The value for 'FROM_END' and'FROM_START' depends on `at` so
// we add it as a parameter.
const at1Param =
(where1 === 'FROM_END' || where1 === 'FROM_START') ? ', at1' : '';
const at2Param =
(where2 === 'FROM_END' || where2 === 'FROM_START') ? ', at2' : '';
const functionName = Lua.provideFunction_(
'list_sublist_' + where1.toLowerCase() + '_' + where2.toLowerCase(), [
'function ' + Lua.FUNCTION_NAME_PLACEHOLDER_ + '(source' +
// The value for 'FROM_END' and'FROM_START' depends on `at` so
// we add it as a parameter.
((where1 === 'FROM_END' || where1 === 'FROM_START') ? ', at1' :
'') +
((where2 === 'FROM_END' || where2 === 'FROM_START') ? ', at2' :
'') +
')',
' local t = {}',
' local start = ' + getListIndex('source', where1, 'at1'),
' local finish = ' + getListIndex('source', where2, 'at2'),
' for i = start, finish do', ' table.insert(t, source[i])', ' end',
' return t', 'end'
]);
'list_sublist_' + where1.toLowerCase() + '_' + where2.toLowerCase(), `
function ${Lua.FUNCTION_NAME_PLACEHOLDER_}(source${at1Param}${at2Param})
local t = {}
local start = ${getListIndex('source', where1, 'at1')}
local finish = ${getListIndex('source', where2, 'at2')}
for i = start, finish do
table.insert(t, source[i])
end
return t
end
`);
const code = functionName + '(' + list +
// The value for 'FROM_END' and 'FROM_START' depends on `at` so we
// pass it.
@@ -248,28 +264,28 @@ Lua['lists_sort'] = function(block) {
const direction = block.getFieldValue('DIRECTION') === '1' ? 1 : -1;
const type = block.getFieldValue('TYPE');
const functionName = Lua.provideFunction_('list_sort', [
'function ' + Lua.FUNCTION_NAME_PLACEHOLDER_ + '(list, typev, direction)',
' local t = {}',
' for n,v in pairs(list) do table.insert(t, v) end', // Shallow-copy.
' local compareFuncs = {',
' NUMERIC = function(a, b)',
' return (tonumber(tostring(a)) or 0)',
' < (tonumber(tostring(b)) or 0) end,',
' TEXT = function(a, b)',
' return tostring(a) < tostring(b) end,',
' IGNORE_CASE = function(a, b)',
' return string.lower(tostring(a)) < string.lower(tostring(b)) end',
' }',
' local compareTemp = compareFuncs[typev]',
' local compare = compareTemp',
' if direction == -1',
' then compare = function(a, b) return compareTemp(b, a) end',
' end',
' table.sort(t, compare)',
' return t',
'end'
]);
const functionName = Lua.provideFunction_('list_sort', `
function ${Lua.FUNCTION_NAME_PLACEHOLDER_}(list, typev, direction)
local t = {}
for n,v in pairs(list) do table.insert(t, v) end
local compareFuncs = {
NUMERIC = function(a, b)
return (tonumber(tostring(a)) or 0)
< (tonumber(tostring(b)) or 0) end,
TEXT = function(a, b)
return tostring(a) < tostring(b) end,
IGNORE_CASE = function(a, b)
return string.lower(tostring(a)) < string.lower(tostring(b)) end
}
local compareTemp = compareFuncs[typev]
local compare = compareTemp
if direction == -1
then compare = function(a, b) return compareTemp(b, a) end
end
table.sort(t, compare)
return t
end
`);
const code =
functionName + '(' + list + ',"' + type + '", ' + direction + ')';
@@ -279,22 +295,30 @@ Lua['lists_sort'] = function(block) {
Lua['lists_split'] = function(block) {
// Block for splitting text into a list, or joining a list into text.
let input = Lua.valueToCode(block, 'INPUT', Lua.ORDER_NONE);
const delimiter = Lua.valueToCode(block, 'DELIM', Lua.ORDER_NONE) || '\'\'';
const delimiter = Lua.valueToCode(block, 'DELIM', Lua.ORDER_NONE) || "''";
const mode = block.getFieldValue('MODE');
let functionName;
if (mode === 'SPLIT') {
if (!input) {
input = '\'\'';
input = "''";
}
functionName = Lua.provideFunction_('list_string_split', [
'function ' + Lua.FUNCTION_NAME_PLACEHOLDER_ + '(input, delim)',
' local t = {}', ' local pos = 1', ' while true do',
' next_delim = string.find(input, delim, pos)',
' if next_delim == nil then',
' table.insert(t, string.sub(input, pos))', ' break',
' else', ' table.insert(t, string.sub(input, pos, next_delim-1))',
' pos = next_delim + #delim', ' end', ' end', ' return t', 'end'
]);
functionName = Lua.provideFunction_('list_string_split', `
function ${Lua.FUNCTION_NAME_PLACEHOLDER_}(input, delim)
local t = {}
local pos = 1
while true do
next_delim = string.find(input, delim, pos)
if next_delim == nil then
table.insert(t, string.sub(input, pos))
break
else
table.insert(t, string.sub(input, pos, next_delim-1))
pos = next_delim + #delim
end
end
return t
end
`);
} else if (mode === 'JOIN') {
if (!input) {
input = '{}';
@@ -310,11 +334,15 @@ Lua['lists_split'] = function(block) {
Lua['lists_reverse'] = function(block) {
// Block for reversing a list.
const list = Lua.valueToCode(block, 'LIST', Lua.ORDER_NONE) || '{}';
const functionName = Lua.provideFunction_('list_reverse', [
'function ' + Lua.FUNCTION_NAME_PLACEHOLDER_ + '(input)',
' local reversed = {}', ' for i = #input, 1, -1 do',
' table.insert(reversed, input[i])', ' end', ' return reversed', 'end'
]);
const functionName = Lua.provideFunction_('list_reverse', `
function ${Lua.FUNCTION_NAME_PLACEHOLDER_}(input)
local reversed = {}
for i = #input, 1, -1 do
table.insert(reversed, input[i])
end
return reversed
end
`);
const code = functionName + '(' + list + ')';
return [code, Lua.ORDER_HIGH];
};