Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | 1x 1x 32x 32x 32x 7x 7x 25x 6x 19x 19x 9x 19x 29x 19x 9x 9x 4x 4x 3x 3x 1x 9x | import { attributeMarkerPrefix, endMarker, eventMarkerPrefix, NodePatcherRuleTypes } from "./createTemplate";
/**
* The rule to "compile" to patch the DOM node
*/
export interface NodePatcherRule {
/**
* The type of patching to do to that node
*/
type: NodePatcherRuleTypes;
/**
* The path to locate the node
*/
path: number[];
/**
* The name of the attribute to patch
* Only populated if it is an attribute or an event
*/
name?: string;
}
/**
* Creates the rules for the node patcher
* @param node
* @param path
* @param rules
* @returns
*/
export default function createNodePatcherRules(node: Node, path: number[] = [], rules: NodePatcherRule[] = []): NodePatcherRule[] {
const {
childNodes
} = node;
const {
length
} = childNodes;
if ((node as Text).data === endMarker) {
rules.push({
type: NodePatcherRuleTypes.PATCH_NODE,
path: [...path]
});
return rules; // Comments do not have attributes and children so we are done
}
else if (node.nodeType === Node.TEXT_NODE) {
return rules; // No need to create rules for a text literal
}
else {
const attributes = (node as HTMLElement).attributes;
if (attributes !== undefined) {
rules = createAttributePatcherRules(attributes, path, rules);
}
}
for (let i = 0; i < length; ++i) {
rules = createNodePatcherRules(childNodes[i], [...path, i], rules);
}
return rules;
}
function createAttributePatcherRules(attributes: NamedNodeMap, path: number[], rules: NodePatcherRule[]): NodePatcherRule[] {
const {
length
} = attributes;
for (let i = 0; i < length; ++i) {
const value = attributes[i].value;
if (value.startsWith(attributeMarkerPrefix)) {
const name = value.split(':')[1];
rules.push({
type: NodePatcherRuleTypes.PATCH_ATTRIBUTE,
path,
name
});
}
else Iif (value.startsWith(eventMarkerPrefix)) {
const name = value.split(':')[1];
rules.push({
type: NodePatcherRuleTypes.PATCH_EVENT,
path,
name
});
}
}
return rules;
} |