vitalif
/
prettier
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

refactor(css): printer (#4024)

master
Evilebot Tnawi 2018-02-22 12:00:08 +03:00 committed by GitHub
parent 92023e83ec
commit 335fe638f5
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 91 additions and 78 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

169
src/language-css/printer-postcss.js
View File

@ -61,16 +61,6 @@ function genericPrint(path, options, print) {
return text;
}
case "css-rule": {
// If a Less file ends up being parsed with the SCSS parser, Less
// variable declarations will be parsed as atrules with names ending
// with a colon, so keep the original case then.
const isDetachedRulesetDeclaration =
node.selector &&
node.selector.type !== "selector-root-invalid" &&
((typeof node.selector === "string" &&
/^@.+:.*$/.test(node.selector)) ||
(node.selector.value && /^@.+:.*$/.test(node.selector.value)));
return concat([
path.call(print, "selector"),
node.important ? " !important" : "",
@ -84,7 +74,7 @@ function genericPrint(path, options, print) {
: "",
hardline,
"}",
isDetachedRulesetDeclaration ? ";" : ""
isDetachedRulesetDeclaration(node) ? ";" : ""
])
: ";"
]);
@ -141,13 +131,11 @@ function genericPrint(path, options, print) {
hasParams &&
node.params.type === "media-query-list" &&
/^\(\s*\)$/.test(node.params.value);
const isControlDirective = isNodeControlDirective(node);
const hasParensAround =
node.value &&
node.value.group.group.type === "value-paren_group" &&
node.value.group.group.open !== null &&
node.value.group.group.close !== null;
const isElse = node.name === "else";
return concat([
"@",
@ -171,13 +159,15 @@ function genericPrint(path, options, print) {
concat([
" ",
path.call(print, "value"),
isControlDirective ? (hasParensAround ? " " : line) : ""
isControlDirectiveNode(node)
? hasParensAround ? " " : line
: ""
])
)
: isElse ? " " : "",
: node.name === "else" ? " " : "",
node.nodes
? concat([
isControlDirective ? "" : " ",
isControlDirectiveNode(node) ? "" : " ",
"{",
indent(
concat([
@ -224,15 +214,9 @@ function genericPrint(path, options, print) {
return group(indent(join(line, parts)));
}
case "media-query": {
const parentNode = path.getParentNode();
const isLastNode =
parentNode &&
parentNode.nodes &&
parentNode.nodes.indexOf(node) === parentNode.nodes.length - 1;
return concat([
join(" ", path.map(print, "nodes")),
isLastNode ? "" : ","
isLastNode(path, node) ? "" : ","
]);
}
case "media-type": {
@ -283,27 +267,19 @@ function genericPrint(path, options, print) {
}
case "selector-root": {
const atRuleAncestorNode = getAncestorNode(path, "css-atrule");
const insideInExtend =
atRuleAncestorNode && atRuleAncestorNode.name === "extend";
const insideInCustomSelectorAtRule =
atRuleAncestorNode && atRuleAncestorNode.name === "custom-selector";
const insideInNestAtRule =
atRuleAncestorNode && atRuleAncestorNode.name === "nest";
const insideAtRuleNode =
atRuleAncestorNode &&
["extend", "custom-selector", "nest"].indexOf(
atRuleAncestorNode.name
) !== -1;
return group(
concat([
insideInCustomSelectorAtRule
atRuleAncestorNode && atRuleAncestorNode.name === "custom-selector"
? concat([atRuleAncestorNode.customSelector, line])
: "",
join(
concat([
",",
insideInExtend ||
insideInCustomSelectorAtRule ||
insideInNestAtRule
? line
: hardline
]),
concat([",", insideAtRuleNode ? line : hardline]),
path.map(print, "nodes")
)
])
@ -316,21 +292,14 @@ function genericPrint(path, options, print) {
return adjustStrings(node.value, options);
}
case "selector-tag": {
const lowercasedValue = node.value.toLowerCase();
const atRuleAncestorNode = getAncestorNode(path, "css-atrule");
const isKeyframeKeywords =
atRuleAncestorNode &&
atRuleAncestorNode.name &&
atRuleAncestorNode.name.toLowerCase().endsWith("keyframes") &&
["from", "to"].indexOf(lowercasedValue) !== -1;
const isHTMLTag = htmlTagNames.indexOf(lowercasedValue) !== -1;
return concat([
node.namespace
? concat([node.namespace === true ? "" : node.namespace.trim(), "|"])
: "",
adjustNumbers(
isHTMLTag || isKeyframeKeywords ? lowercasedValue : node.value
isHTMLTag(node.value) || isKeyframeAtRuleKeywords(path, node.value)
? node.value.toLowerCase()
: node.value
)
]);
}
@ -371,9 +340,7 @@ function genericPrint(path, options, print) {
parentNode.nodes[0] === node
? ""
: line;
const isLastNode =
parentNode.nodes.length - 1 === parentNode.nodes.indexOf(node);
return concat([leading, node.value, isLastNode ? "" : " "]);
return concat([leading, node.value, isLastNode(path, node) ? "" : " "]);
}
const leading = node.value.trim().startsWith("(") ? line : "";
const value =
@ -423,11 +390,11 @@ function genericPrint(path, options, print) {
declAncestorProp.startsWith("grid-template"));
const atRuleAncestorNode = getAncestorNode(path, "css-atrule");
const isControlDirective =
atRuleAncestorNode && isNodeControlDirective(atRuleAncestorNode);
atRuleAncestorNode && isControlDirectiveNode(atRuleAncestorNode);
const printed = path.map(print, "groups");
const parts = [];
const isProgid =
const hasProgidPrefix =
declAncestorNode &&
declAncestorNode.value.group &&
declAncestorNode.value.group.group &&
@ -435,19 +402,17 @@ function genericPrint(path, options, print) {
declAncestorNode.value.group.group.groups[0] &&
declAncestorNode.value.group.group.groups[0].type === "value-word" &&
declAncestorNode.value.group.group.groups[0].value === "progid";
const functionAncestorNode = getAncestorNode(path, "value-func");
const insideInFunction =
functionAncestorNode && functionAncestorNode.value;
const insideURLFunction =
insideInFunction && functionAncestorNode.value.toLowerCase() === "url";
let didBreak = false;
for (let i = 0; i < node.groups.length; ++i) {
parts.push(printed[i]);
// Ignore value inside `url()`
const functionAncestorNode = getAncestorNode(path, "value-func");
const insideInFunction =
functionAncestorNode && functionAncestorNode.value;
const insideURLFunction =
insideInFunction &&
functionAncestorNode.value.toLowerCase() === "url";
if (insideURLFunction) {
continue;
}
@ -469,7 +434,7 @@ function genericPrint(path, options, print) {
// Ignore `filter: progid:DXImageTransform.Microsoft.Gradient(params);`
if (
isProgid &&
hasProgidPrefix &&
iNode.type === "value-word" &&
iNode.value.endsWith("=")
) {
@ -640,7 +605,7 @@ function genericPrint(path, options, print) {
return group(indent(concat(parts)));
}
return group(isProgid ? fill(parts) : indent(fill(parts)));
return group(hasProgidPrefix ? fill(parts) : indent(fill(parts)));
}
case "value-paren_group": {
const parentNode = path.getParentNode();
@ -678,9 +643,11 @@ function genericPrint(path, options, print) {
return group(indent(fill(res)));
}
const decl = path.getParentNode(2);
const declNode = path.getParentNode(2);
const isMap =
decl && decl.type === "css-decl" && decl.prop.startsWith("$");
declNode &&
declNode.type === "css-decl" &&
declNode.prop.startsWith("$");
return group(
concat([
@ -722,20 +689,13 @@ function genericPrint(path, options, print) {
}
case "value-colon": {
const parent = path.getParentNode();
const index =
parent &&
parent.groups &&
parent.groups.length > 0 &&
parent.groups.indexOf(node);
const prevProgidProperty =
index && parent.groups[index - 1].value === "progid";
const valueFuncAncestorNode = getAncestorNode(path, "value-func");
const insideInURLFunc =
valueFuncAncestorNode && valueFuncAncestorNode.value === "url";
const index = getNodeIndex(path, node);
const hasProgidPrefix =
parent.groups[index - 1] && parent.groups[index - 1].value === "progid";
return concat([
node.value,
prevProgidProperty || insideInURLFunc ? "" : line
hasProgidPrefix || insideURLFunctionNode(path) ? "" : line
]);
}
case "value-comma": {
@ -750,13 +710,66 @@ function genericPrint(path, options, print) {
case "value-atword": {
return concat(["@", node.value]);
}
default:
/* istanbul ignore next */
throw new Error("unknown postcss type: " + JSON.stringify(node.type));
throw new Error(`Unknown postcss type ${JSON.stringify(node.type)}`);
}
}
function isLastNode(path, node) {
const parentNode = path.getParentNode();
if (!parentNode) {
return false;
}
const nodes = parentNode.nodes;
return nodes && nodes.indexOf(node) === nodes.length - 1;
}
function isDetachedRulesetDeclaration(node) {
// If a Less file ends up being parsed with the SCSS parser, Less
// variable declarations will be parsed as atrules with names ending
// with a colon, so keep the original case then.
return (
node.selector &&
node.selector.type !== "selector-root-invalid" &&
((typeof node.selector === "string" && /^@.+:.*$/.test(node.selector)) ||
(node.selector.value && /^@.+:.*$/.test(node.selector.value)))
);
}
function isKeyframeAtRuleKeywords(path, value) {
const atRuleAncestorNode = getAncestorNode(path, "css-atrule");
return (
atRuleAncestorNode &&
atRuleAncestorNode.name &&
atRuleAncestorNode.name.toLowerCase().endsWith("keyframes") &&
["from", "to"].indexOf(value.toLowerCase()) !== -1
);
}
function isHTMLTag(value) {
return htmlTagNames.indexOf(value.toLowerCase()) !== -1;
}
function insideURLFunctionNode(path) {
const funcAncestorNode = getAncestorNode(path, "value-func");
return (
funcAncestorNode &&
funcAncestorNode.value &&
funcAncestorNode.value === "url"
);
}
function getNodeIndex(path, node) {
const parent = path.getParentNode();
return (
parent &&
parent.groups &&
parent.groups.length > 0 &&
parent.groups.indexOf(node)
);
}
function isParenGroupNode(node) {
return node.type && node.type === "value-paren_group";
}
@ -815,7 +828,7 @@ function isRelationalOperatorNode(node) {
);
}
function isNodeControlDirective(node) {
function isControlDirectiveNode(node) {
return (
node.type &&
node.type === "css-atrule" &&